03rd week of 2013 patent applcation highlights part 25 |
Patent application number | Title | Published |
20130016709 | INITIATION OF A MIMO COMMUNICATION - The present invention provides a method and apparatus for initiating a multiple input multiple output (MIMO) communication. The method and apparatus includes processing that begins by transmitting a frame formatted in accordance with a default MIMO active transmitter-receiver antenna configuration to a target receiver. The processing continues by receiving at least one response frame from the target receiver. The processing continues by determining a number of receiver antennas of the target receiver from the at least one response frame. | 2013-01-17 |
20130016710 | COMMUNICATION SYSTEM, COMMUNICATION TERMINAL, COMMUNICATION DEVICE, COMMUNICATION CONTROL METHOD, AND COMMUNICATION CONTROL PROGRAMAANM Shinohara; MasahitoAACI TokyoAACO JPAAGP Shinohara; Masahito Tokyo JP - Provided is a communication system which easily connects in accordance with a communication state of a communication device, a communication terminal, a communication terminal, a communication device, a communication system, a communication control method and a communication control program. | 2013-01-17 |
20130016711 | RF BUS ACCESS PROTOCOL AND TRANSCEIVER AND METHODS FOR USE THEREWITH - A method includes determining whether information is to be transmitted via a radio frequency (RF) bus that supports direct intra-device communication between at least three circuits in a millimeter wave frequency band. When the information is to be transmitted via the RF bus, the method determines whether the RF bus is available. When the RF bus is available, the information is converted into RF bus signal, access to the RF bus is secured, and after access to the RF bus is secured, the RF bus signal is transmitted via the RF bus. | 2013-01-17 |
20130016712 | RADIO COMMUNICATION SYSTEM AND RECEIVING APPARATUSAANM Tomeba; HiromichiAACI Osaka-shiAACO JPAAGP Tomeba; Hiromichi Osaka-shi JPAANM Nakamura; OsamuAACI Osaka-shiAACO JPAAGP Nakamura; Osamu Osaka-shi JPAANM Toh; ShinpeiAACI Osaka-shiAACO JPAAGP Toh; Shinpei Osaka-shi JP - A radio communication system includes a multiple number of transmitting apparatus and a receiving apparatus including a multiple number of receive antennas, in which the transmitting apparatus generates a reference signal that is obtained by adding a different time shift to a known signal between the transmitting apparatus and the receiving apparatus, multiplexes a data signal with the reference signal and transmits the resultant signal. The receiving apparatus separates reference signals multiplexed on the signals received from the multiple transmitting apparatus, and estimates channel information from the reference signals, which have been transmitted through common frequencies in part or whole of the signal spectra. Then, the data signal is decoded based on the estimated channel information. | 2013-01-17 |
20130016713 | PRECISE INTERVAL TIMER FOR SOFTWARE DEFINED RADIO - A precise digital fractional interval timer for software defined radios which vary their waveform on a packet-by-packet basis. The timer allows for variable length in the preamble of the RF packet and allows to adjust boundaries of the TDMA (Time Division Multiple Access) Slots of the receiver of an SDR based on the reception of the RF packet of interest. | 2013-01-17 |
20130016714 | NETWORK CONNECTION METHOD AND APPARATUS OF A MOBILE STATION - A network connection method and apparatus for improving network connection performance of a mobile station in a Broadband Wireless Access (BWA) system is provided. The method includes determining whether a cell change from a first cell to a second cell is detected while waiting for a network connection request message, after an acquisition of a synchronization with a first base station associated with the first cell, determining, if the cell change is detected, whether a synchronization is acquired with a second base station associated with the second cell and whether the network connection request message is detected, initiating, if the network connection request message is detected after the synchronization is acquired with the second base station, a network entry procedure, and saving, if the network connection request message is detected before the synchronization is acquired with the second base station, the network connection request message in a buffer. | 2013-01-17 |
20130016715 | NETWORK TELEPHONY APPLIANCE AND SYSTEM FOR INTER/INTRANET TELEPHONY - A network appliance ( | 2013-01-17 |
20130016716 | APPARATUS FOR REMOTELY REBOOTING VoIP COMMUNICATION DEVICES AND AN ASSOCIATED METHOD AND COMPUTER PROGRAM PRODUCT - An apparatus is provided for remotely rebooting Voice over Internet Protocol (VoIP) communication devices. In general, the apparatus remotely selects VoIP communication devices connected to a network, reboots the selected devices, and evaluates the status of each device. A processor allows a user to select VoIP communication devices connected to the network and receives inputs pertaining to the reboot operation, including a time input and search criteria. The processor communicates with the designated VoIP communication devices over a packet-switching network to instruct the devices to reboot and monitors each device. In this way, multiple VoIP communication devices may be rebooted from a remote location, and problems or issues that arise during the reboot process may be identified and addressed. An associated method and computer program product are also provided for remotely rebooting VoIP communication devices. | 2013-01-17 |
20130016717 | FIBRE CHANNEL SWITCHING FABRIC PORT CONTROL - The Fibre Channel standard was created by the American National Standard for Information Systems (ANSI) X3T11 task group to define a serial I/O channel for interconnecting a number of heterogeneous peripheral devices to computer systems as well as interconnecting the computer systems themselves through optical fiber and copper media at gigabit speeds (i.e., one billion hits per second). Multiple protocols such as SCSI (Small Computer Serial Interface), IP (Internet Protocol), HIPPI, ATM (Asynchronous Transfer Mode) among others can concurrently utilize the same media when mapped over Fibre Channel. A Fibre Channel Fabric is an entity which transmits Fibre Channel frames between connected Node Ports. The Fibre Channel fabric routes the frames based on the destination address as well as other information embedded in the Fibre Channel frame header. Node Ports are attached to the Fibre Channel Fabric through links. | 2013-01-17 |
20130016718 | SYSTEM AND METHOD FOR USING A MULTICAST GROUP TO SUPPORT A FLOODING MECHANISM IN A MIDDLEWARE MACHINE ENVIRONMENT - A system and method can support a flooding mechanism using a multicast group in a middleware machine environment. The middleware machine environment can comprise a gateway instance that includes an external port for receiving one or more data packets from an external network. The middleware machine environment also comprises one or more host servers, each of which is associated with one or more virtual machines that can process the data packets. Furthermore, said host servers can provide virtual interfaces that belong to a virtual hub associated with the gateway instance. At least one said packet is a flooded packet that is specified with an unknown destination address when it is received at the external port. The gateway instance operates to send the flooded packet to the multicast group that operates to forward the flooded packet to one or more said host servers in the multicast group. | 2013-01-17 |
20130016719 | SYSTEM AND METHOD FOR SUPPORTING A SCALABLE FLOODING MECHANISM IN A MIDDLEWARE MACHINE ENVIRONMENT - A system and method can support a scalable packet forwarding mechanism in a middleware machine environment. The middleware machine environment can comprise one or more network switch instances, wherein each network switch instance is associated with one or more external ports that are adapted to receive data packets from an external network. Furthermore, the middleware machine environment can comprise a plurality of packet dispatching components, each of which is responsible for forwarding a data packet to a virtual machine on a host server that operates to process the data packet. Additionally, a link aggregation component can combine multiple external ports into a logical port, and wherein the bandwidth of the logical port is linearly scaled accordingly to a total number of the multiple external ports. | 2013-01-17 |
20130016720 | MULTICAST SUPPORT ON A SWITCH FOR PCIe ENDPOINT DEVICES - Devices and method with hardware configured to support phantom register programming. Where phantom register programming allows a device driver for an endpoint device to program multicast registers in the device without support of the operating system. | 2013-01-17 |
20130016721 | Generating Multiple Data Steams From a Single Data Source - A switch having a first communications interface to receive a stream of data units, a buffer to store the payload portion of the data unit, a replicator to duplicate at least the payload portion of the data unit, and a second communications interface to enable access to the stream of data units by two or more terminals. | 2013-01-17 |
20130016722 | BROADCAST INTERACTIVE TELEVISION SYSTEM - A system that incorporates teachings of the present disclosure may include, for example, a system having a controller to deliver broadcast channels by way of interactive TV (iTV) edge routers using multicast virtual private networks, share a same multicast state for the broadcast channels and share a same multicast delivery tree for the broadcast channels. Other embodiments are disclosed. | 2013-01-17 |
20130016723 | SCALING OF VIRTUAL MACHINE ADDRESSES IN DATACENTERS - A device in a server having a processor and a storage. The device has a downstream communication unit configured to receive a data packet. The device also has a protocol blind network path indication unit configured to obtain an indicator corresponding to a predetermined path to a data communication unit in the network, by accessing the protocol blind correlation structure using a destination address of the data packet. The device, furthermore, has an upstream communication unit configured to transmit a network protocol blind packet including the data packet and the indicator corresponding to the predetermined data path to the data communication unit in the network. The device also includes a combiner configured to bind the indicator to the data packet received by the downstream communication unit. | 2013-01-17 |
20130016724 | LINK LAYER PREEMPTION - Disclosed are various embodiments for frame preemption and fragmentation at the media access control (MAC) sublayer of the link layer or the MAC merge sublayer of the link layer. Traffic classes may be organized into preemptive traffic classes and non-preemptive traffic classes. Preemptable frames may be fragmented when a preemptive frame is to be transmitted. The fragmentation may be indicated through modification of the value of cyclic redundancy check (CRC) field in a predetermined way, through addition of a fragmentation trailer, and/or through other approaches. | 2013-01-17 |
20130016725 | METHOD AND SYSTEM FOR INTRA-NODE HEADER COMPRESSIONAANM Julien; MartinAACI LavalAACO CAAAGP Julien; Martin Laval CAAANM Brunner; RobertAACI MontrealAACO CAAAGP Brunner; Robert Montreal CA - One aspect of the invention is directed to a network element (e.g., node/router/switch, etc) which performs internal packet header compression. In particular, an aspect provides a network element comprising a plurality of ingress elements (e.g. line cards), a plurality of egress elements, and system internal network (e.g. a backplane) for switching between the correct Ingress element and egress element, and applying header compression for the purpose of reducing the bandwidth required between the elements. As such internal “metadata” can be added to the compressed header without increasing, and preferably in some embodiments, actually decreasing, the size of the packets. Typically the headers are uncompressed before exiting the egress element. | 2013-01-17 |
20130016726 | MEMORY CONTROL APPARATUS, INFORMATION PROCESSING APPARATUS, AND MEMORY CONTROL METHODAANM NUMAKURA; SatoruAACI MiyagiAACO JPAAGP NUMAKURA; Satoru Miyagi JPAANM IKEDA; JunichiAACI MiyagiAACO JPAAGP IKEDA; Junichi Miyagi JPAANM SUZUKI; MitsuruAACI MiyagiAACO JPAAGP SUZUKI; Mitsuru Miyagi JPAANM TAKEO; KojiAACI MiyagiAACO JPAAGP TAKEO; Koji Miyagi JPAANM SATOH; TetsuyaAACI MiyagiAACO JPAAGP SATOH; Tetsuya Miyagi JPAANM TAKAHASHI; HiroyukiAACI MiyagiAACO JPAAGP TAKAHASHI; Hiroyuki Miyagi JP - A memory control apparatus that controls writing and reading of data to/from a memory. The memory control apparatus includes: a sequence control unit that receives a packet sequence including a write packet including a write request of data and a read packet including a read request of the data, and changes an arrangement of the write packet and the read packet included in the packet sequence so that a first predetermined number of write packets are arranged successively and a second predetermined number of read packets are arranged successively; and a command output unit that receives the packet sequence from the sequence control unit, and outputs a write command according to the write packet and an a read command according to the read packet to the memory, in accordance with an order of arrangement of the write packet and the read packet. | 2013-01-17 |
20130016727 | METHOD FOR TRANSMISSION OF INFORMATION BETWEEN NODES OF A NETWORK AND NETWORK USING SAID METHOD - A method for communication between nodes (UR | 2013-01-17 |
20130016728 | Optimising Communications - A method, system and program for routing a data stream amongst a plurality of network nodes including at least a plurality of end-user nodes. The method comprises: establishing a plurality of routes for the stream to a plurality of consuming end-user nodes, including at least one route via one or more relaying nodes; at each of a plurality of optimising nodes, executing an optimisation algorithm to determine a respective routing modification by evaluating a routing criterion with respect to a collection of end-user nodes which share information with the respective optimising node and determining a change in the routing criterion that would result from one or more potential routing modifications. The different optimising nodes' collections of end-user nodes are at least partially coincident such that each optimising node can determine a different routing modification with respect to at least some of the same end-user nodes. | 2013-01-17 |
20130016729 | Systems and Methods For Efficient Handling of Data Traffic and Processing Within a Processing Device - The present invention provides an improved platform hub that aims to, in some embodiments, optimize system resources to improve system performance and/or reduce consumption of power. | 2013-01-17 |
20130016730 | SYSTEM AND METHOD FOR USING A PACKET PROCESS PROXY TO SUPPORT A FLOODING MECHANISM IN A MIDDLEWARE MACHINE ENVIRONMENT - A system and method can support flooding mechanism using a packet process proxy in a middleware machine environment. The middleware machine environment can comprise a gateway instance that includes an external port for receiving data packets from an external network. The middleware machine environment also comprises one or more host servers, each of which is associated with one or more virtual machines. Furthermore, said host servers can provide virtual interfaces that belong to a virtual hub associated with the gateway instance. At least one said packet is a flooded packet that is specified with an unknown destination address when it is received at the external port. The gateway instance can send the flooded packet to a designated virtual interface on a host server, and a packet process proxy on the host server can forward the flooded packet to a virtual machine on another host server for processing this packet. | 2013-01-17 |
20130016731 | SYSTEM AND METHOD FOR SUPPORTING DIRECT PACKET FORWARDING IN A MIDDLEWARE MACHINE ENVIRONMENT - A system and method can support packet direct forwarding in a middleware machine environment. The middleware machine environment comprises one or more external ports on at least one network switch instance, wherein each external port can receive one or more data packets from an external network. Furthermore, the middleware machine environment comprises a plurality of host channel adapter (HCA) ports on one or more host servers, wherein each said HCA port is associated with a said host server, and each said host server can support one or more virtual machines that operate to process the one or more data packets. The at least one network switch operate to send a packet received at an external port to a designated HCA port associated with the external port. An external switch in the external network can send the data packet to the particular external port based on a packet distribution algorithm. | 2013-01-17 |
20130016732 | POLICY DECISION FUNCTION ADDRESSING METHOD, NETWORK ELEMENT AND NETWORK SYSTEM - A policy decision function (PDF) addressing method includes: receiving a PDF allocation request that contains a user equipment (UE) identifier (ID) from a second network element (NE); obtaining ID information of a PDF associated with the UE ID according to pre-registered addressing information of the PDF, where the addressing information of the PDF is an association between the UE ID and the ID information of the PDF, and the PDF associated with the UE ID is accessed by a first NE; and sending the obtained ID information of the PDF to the second NE. | 2013-01-17 |
20130016733 | METHODS AND APPARATUS FOR FIBRE CHANNEL INTERCONNECTION OF PRIVATE LOOP DEVICES - Methods and apparatus for communicating Fibre Channel frames between a private loop device and an Ethernet link through a Fibre Channel private loop device interconnect system. In the preferred embodiments, the Fibre Channel private loop device interconnect system is a fabric or an intelligent bridging hub. In one aspect of this invention, a Fibre Channel private loop device is storage device which contains JBODsd or RAIDs. Preferably, the interconnect system includes a routing filter to filter incoming Arbitrated Loop physical addresses (ALPAs) to determine which Fibre Channel frames must attempt to be routed through the fabric. Numerous topologies of interconnect systems may be achieved. | 2013-01-17 |
20130016734 | FIBRE CHANNEL SWITCHING SYSTEM - The Fibre Channel standard was created by the American National Standard for Information Systems (ANSI) X3T11 task group to define a serial I/O channel for interconnecting a number of heterogeneous peripheral devices to computer systems as well as interconnecting the computer systems themselves through optical fiber and copper media at gigabit speeds (i.e., one billion bits per second). Multiple protocols such as SCSI (Small Computer Serial Interface), IP (Internet Protocol), HIPPI, ATM (Asynchronous Transfer Mode) among others can concurrently utilize the same media when mapped over Fibre Channel. A Fibre Channel Fabric is an entity which transmits Fibre Channel frames between connected Node Ports. The Fibre Channel fabric routes the frames based on the destination address as well as other information embedded in the Fibre Channel frame header. Node Ports are attached to the Fibre Channel Fabric through links. | 2013-01-17 |
20130016735 | METHOD AND APPARATUS FOR THE DETERMINISTIC CAPTURE OF A COMMUNICATION CHANNEL SHARED AMONG CONTENTION BASED TECHNOLOGIESAANM De Campos Cartolomeu; Paulo JorgeAACI MaiaAACO PTAAGP De Campos Cartolomeu; Paulo Jorge Maia PTAANM Gouveia Fonseca; Jose AlbertoAACI AveiroAACO PTAAGP Gouveia Fonseca; Jose Alberto Aveiro PT - Communications with timeliness guarantees, also known as real-time communications are established in a shared medium with different contention based technologies. A real-time station is able to transmit a noise sequence before the intended data packet transmission. The noise sequence being is to occupy the communication medium during a period of time preferably larger than the maximum transmission time of any contention based technology that can have access to the medium, hereinafter designated alien. As such, even if an alien station is transmitting, it will finish its packet during the transmission of the noise sequence. The method prevents the alien stations from accessing the medium as these stations will sense the medium busy after the end of their packet transmissions. This method can be used to support master-multislave real-time communications on shared media in which contention based technologies operate. | 2013-01-17 |
20130016736 | METHOD OF SYNCHRONIZATION FOR LOW POWER IDLE - A method comprises receiving data, modulated according to a first modulation scheme, from a transmitter via an Ethernet link while the receiver is in a first mode. The first mode corresponds to a first power consumption level of the receiver. The method also includes receiving a sleep signal, and, in response, transitioning the receiver to a second mode. The second mode corresponds to a second power consumption level lower than the first power consumption level. The method also includes detecting an expiration of a predetermined time interval, and, in response, transitioning the receiver to a third mode. The third mode corresponds to a third power consumption level greater than the second power consumption level. The method also includes receiving a refresh signal modulated according to a different, second modulation scheme, synchronizing the receiver to the transmitter based on the refresh signal, and transitioning the receiver back to the second mode. | 2013-01-17 |
20130016737 | COEXISTENCE OF A NORMAL-RATE PHYSICAL LAYER AND A LOW-RATE PHYSICAL LAYER IN A WIRELESS NETWORK - A system including a first preamble generation module, a second preamble generation module, and a packet generation module. The first preamble generation module is configured to generate a first preamble. The first preamble includes a first training field to train receivers operating at a first data rate. The second preamble generation module is configured to generate a second preamble. The second preamble includes a second training field to train receivers operating at a second data rate. The second data rate is different than the first data rate. The packet generation module is configured to generate a packet. The packet includes the second preamble followed by the first preamble in response to the packet being transmitted at the first data rate, or the first preamble followed by the second preamble in response to the packet being transmitted at the second data rate. | 2013-01-17 |
20130016738 | METHOD AND APPARATUS FOR IMPLEMENTING FRAME HEADER ALIGNMENT AND MULTI-FRAME ZEROINGAANM Yu; ShideAACI ShenzhenAACO CNAAGP Yu; Shide Shenzhen CNAANM Ma; WenkaiAACI ShenzhenAACO CNAAGP Ma; Wenkai Shenzhen CN - The present invention discloses a method for implementing frame header alignment and multi-frame zeroing. By using one indication signal, the period of which is 256 times of that of a single frame, the frame header alignment for frame data is completed, and the multi-frame zeroing for frame data is implemented. The present invention also discloses an apparatus for implementing frame header alignment and multi-frame zeroing. The implementation process of the present invention is simple, the process comprising the frame data processing in an Optical Transport Network (OTN) cross dispatching system can be effectively simplified, the complexity of system processing can be significantly decreased, and the logical resources of the system can be saved. | 2013-01-17 |
20130016740 | Fiber cladding light stripperAANM Saracco; MatthieuAACI PortlandAAST ORAACO USAAGP Saracco; Matthieu Portland OR US - A high power cladding light stripper and high power laser systems using the same are described. A cladding light stripper includes a housing, a section of fiber disposed in relation to the housing wherein a portion of the section of fiber has an exposed cladding region, a plurality of glue regions sequentially arranged adjacent to each other along the section of fiber and covering the exposed cladding region, and wherein at least one glue region between a first glue region and a last glue region of the plurality of glue regions has a refractive index higher or lower than both an adjacent previous glue region and an adjacent subsequent glue region. | 2013-01-17 |
20130016741 | OPTICAL FIBER AMPLIFIER AND FIBER LASER APPARATUS USING THE SAME - An optical fiber amplifier ( | 2013-01-17 |
20130016742 | OPTICAL FIBER-TYPE OPTICAL ELEMENT, LASER DIODE MODULE, AND FIBER LASER - There are provided: a core section provided so as to extend in a light-guiding direction in which incident light propagates; a photosensitive layer provided so as to extend in the light-guiding direction and peripherally enclose the core section, the photosensitive layer including a grating formed therein by irradiation of ultraviolet light having a predetermined wavelength; and a first cladding section provided between the core section and the photosensitive layer, the first cladding section having a lower refractive index than the core section and a lower photosensitivity than the photosensitive layer, the photosensitivity being a property in which a refractive index changes in response to irradiation with the ultraviolet light. | 2013-01-17 |
20130016743 | HOLEY FIBER, AND LASER DEVICE USING THE SAME - The invention aims to provide a holey fiber that can release leak light propagating through the clad at a desired location, and a laser device using the holey fiber. A holey fiber includes: one end and the other end; a core; an inner clad coating the core; a hole layer having a large number of holes formed therein and coating the inner clad; and an outer clad coating the hole layer. In this holey fiber, a collapse region is formed, and the holes in the collapse region are squashed by a predetermined length in the length direction of the fiber. | 2013-01-17 |
20130016744 | LASER SOURCE WITH TUNABLE-GRATING-WAVEGUIDE REFLECTIONSAANM Li; GuoliangAACI San DiegoAAST CAAACO USAAGP Li; Guoliang San Diego CA USAANM Zheng; XuezheAACI San DiegoAAST CAAACO USAAGP Zheng; Xuezhe San Diego CA USAANM Krishnamoorthy; Ashok V.AACI San DiegoAAST CAAACO USAAGP Krishnamoorthy; Ashok V. San Diego CA USAANM Luo; YingAACI San DiegoAAST CAAACO USAAGP Luo; Ying San Diego CA US - A laser source includes an optical cavity having a length exceeding a first predefined distance (such as 6 mm), where a wavelength spacing between optical modes associated with the optical cavity is less than a second predefined distance (such as 100 pm). Moreover, a gain medium in the laser source amplifies the optical signal. Furthermore, tunable-grating waveguides in the laser source, which are optically coupled to ends of the optical cavity, reflect a portion of the optical signal back into the optical cavity, and at least one of the tunable-grating waveguides transmits a remainder of the optical signal out of the optical cavity. | 2013-01-17 |
20130016745 | DRIVER FOR LASER DIODE INTEGRATED WITH EXTERNAL MODULATORAANM MOTO; AkihiroAACI Yokohama-shiAACO JPAAGP MOTO; Akihiro Yokohama-shi JP - A driver for EA-DFB device is disclosed. The EA-DFB device is put between the positive power supply and the negative power supply as connected in series to the bias current source and the switching device. The EA device is modulated by the switching device in the differential mode. The switching device includes paired transistors each having a load, one of which is a resistor connected in parallel to the EA device, while, the other is constituted by a resistive element. | 2013-01-17 |
20130016746 | Vertical Surface Emitting Semiconductor Device - A semiconductor light emitting device includes a pump light source, a gain structure, and an out-coupling mirror. The gain structure is comprised of InGaN layers that have resonant excitation absorption at the pump wavelength. Light from the pump light source causes the gain structure to emit light, which is reflected by the out-coupling mirror back to the gain structure. A distributed Bragg reflector causes internal reflection within the gain structure. The out-coupling mirror permits light having sufficient energy to pass therethrough for use external to the device. A frequency doubling structure may be disposed between the gain structure and the out-coupling mirror. Output wavelengths in the deep-UV spectrum may be achieved. | 2013-01-17 |
20130016747 | COMMAND APPARATUS IN A GAS LASER OSCILLATOR, CAPABLE OF COMMAND AT HIGH SPEED AND WITH HIGH PRECISIONAANM HONDA; MasahiroAACI Minamitsuru-gunAACO JPAAGP HONDA; Masahiro Minamitsuru-gun JPAANM IKEMOTO; HajimeAACI YamanashiAACO JPAAGP IKEMOTO; Hajime Yamanashi JP - A command apparatus ( | 2013-01-17 |
20130016748 | TRANSIMPEDANCE AMPLIFIER, SEMICONDUCTOR DEVICE, AND OPTICAL MODULEAANM TAKEMOTO; TakashiAACI FuchuAACO JPAAGP TAKEMOTO; Takashi Fuchu JPAANM YAMASHITA; HirokiAACI HachiojiAACO JPAAGP YAMASHITA; Hiroki Hachioji JPAANM TSUJI; ShinjiAACI HidakaAACO JPAAGP TSUJI; Shinji Hidaka JP - An optical module including a transimpedance amplifier capable of realizing a high-speed and high-quality receiving operation is provided. A transimpedance amplifier includes: a pre-amplifier using a single-end current signal as an input and converting the single-end current signal to a single-end voltage signal; an automatic decision threshold control detecting a center electric potential of the single-end voltage signal serving as an output of the pre-amplifier; a post-amplifier differentiating and amplifying the single-end voltage signal of the output of the pre-amplifier; and a power circuit supplying power to the pre-amplifier. Particularly, in accordance with an input voltage signal or an output voltage signal of the pre-amplifier, the power circuit outputs a varied current that flows to a supply terminal of the pre-amplifier and a varied current having a phase opposite to that of the varied current. Thus, the power supply current change is cancelled out. | 2013-01-17 |
20130016749 | SURFACE EMITTING LASER DIODEAANM MOTODA; TakashiAACI TokyoAACO JPAAGP MOTODA; Takashi Tokyo JP - A surface emitting laser diode includes: a semiconductor substrate; a first semiconductor layer of a first conductivity type on the semiconductor substrate; an active layer on the first semiconductor layer; a second semiconductor layer of a second conductivity type on the active layer; and a second order diffraction grating in one of the first semiconductor layer and the second semiconductor layer. The second order diffraction grating has a pattern which includes concentric circles, a spiral, or polygons. An active region including the first semiconductor layer, the active layer, and the second semiconductor layer, is circular or polygonal. | 2013-01-17 |
20130016750 | Surface Morphology of Non-Polar Gallium Nitride Containing Substrates - Optical devices such as LEDs and lasers are discloses. The devices include a non-polar gallium nitride substrate member having an off-axis non-polar oriented crystalline surface plane. The off-axis non-polar oriented crystalline surface plane can be up to about −0.6 degrees in a c-plane direction and up to about −20 degrees in a c-plane direction in certain embodiments. In certain embodiments, a gallium nitride containing epitaxial layer is formed overlying the off-axis non-polar oriented crystalline surface plane. In certain embodiments, devices include a surface region overlying the gallium nitride epitaxial layer that is substantially free of hillocks. | 2013-01-17 |
20130016751 | SEMICONDUCTOR LASER DEVICEAANM TAKADO; ShinyaAACI KyotoAACO JPAAGP TAKADO; Shinya Kyoto JPAANM Kashiwagi; JunichiAACI KyotoAACO JPAAGP Kashiwagi; Junichi Kyoto JP - A semiconductor laser device generates blue-violet light with an emission wavelength of 400 to 410 nm. The device includes an n-type group III nitride semiconductor layer, an active layer laminated on the n-type semiconductor layer and having an InGaN quantum well layer, a p-type group III nitride semiconductor layer laminated on the active layer, and a transparent electrode contacting the p-type semiconductor layer and serving as a clad. The n-type semiconductor layer includes an n-type clad layer and an n-type guide layer disposed between the clad layer and the active layer. The guide layer includes a superlattice layer in which an InGaN layer and an Al | 2013-01-17 |
20130016752 | Laser Diode Assembly and Method for Producing a Laser Diode AssemblyAANM Lell; AlfredAACI Maxhutte-HaidhofAACO DEAAGP Lell; Alfred Maxhutte-Haidhof DEAANM Straussburg; MartinAACI DonaustaufAACO DEAAGP Straussburg; Martin Donaustauf DE - A laser diode arrangement having at least one semiconductor substrate, having at least two laser stacks each having an active zone and having at least one intermediate layer. The laser stacks and the intermediate layer are grown monolithically on the semiconductor substrate. The intermediate layer is arranged between the laser stacks. The active zone of the first laser stack can be actuated separately from the active zone of the at least one further laser stack. | 2013-01-17 |
20130016753 | SEMICONDUCTOR LASERAANM SHIGIHARA; KimioAACI TokyoAACO JPAAGP SHIGIHARA; Kimio Tokyo JP - An 830 nm broad area semiconductor laser having a distributed Bragg reflector (DBR) structure. The semiconductor laser supports multiple horizontal transverse modes of oscillation extending within a plane perpendicular to a crystal growth direction of the laser, in a direction perpendicular to the length of the resonator of the laser. The resonator includes a diffraction grating in the vicinity of the emitting facet of the laser. The width of the diffraction grating in a plane perpendicular to the growth direction and perpendicular to the length of the resonator is different at first and second locations along the length of the resonator. The width of the diffraction grating along a direction which is perpendicular to the length of the resonator increases with increasing distance from the front facet of the semiconductor laser. | 2013-01-17 |
20130016754 | INJECTOR COOLING BLOCK FOR HOLDING AT LEAST ONE INJECTORAANM Fehlemann; GereonAACI DusseldorfAACO DEAAGP Fehlemann; Gereon Dusseldorf DEAANM Lieftucht; DirkAACI LegdenAACO DEAAGP Lieftucht; Dirk Legden DE - The invention relates to an injector cooling block ( | 2013-01-17 |
20130016755 | EXAMINER FOR BOILING POINT OF BRAKE OILAANM TSENG; Tien-TsaiAACI Taichung CityAACO TWAAGP TSENG; Tien-Tsai Taichung City TW - A brake oil boiling point detector includes a handle, a positioning base, a thermometer, a heater, and a level detector. The positioning base is combined with the handle using a fixing part. The positioning base has spaces for brake oil to enter via through holes. The level detector heats and boils the brake oil when detecting that the height of the brake oil is sufficient for the heater to be immersed. The thermometer detects the boiling point and displays the temperature. | 2013-01-17 |
20130016756 | Layered Structures on Thin Substrates - A thin substrate has a layered structure on one surface, and can also have a layered structure on the other. Each layered structure can include a part of at least one patterned layer that, if patterned by photolithography, would frequently result in damage to the substrate due to fragility. For example, the substrate could be a 3 mil (76.2 μm) or thinner polyimide film and one patterned layer could be a semiconductor material such as vanadium oxide, while another could be metal in electrical contact with semiconductor material. The layer part, however, can be patterned by a printing operation or can include a printed patterned artifact such as an uneven boundary or an alignment. The printing operation can be direct printing or printing of a mask for etching or liftoff or both. The layered structure can include an array of cells, each with layer parts on each substrate surface. | 2013-01-17 |
20130016757 | TIMING RE-SYNCHRONIZATION WITH REDUCED COMMUNICATION ENERGY IN FREQUENCY HOPPING COMMUNICATION NETWORKSAANM Hui; Jonathan W.AACI Foster CityAAST CAAACO USAAGP Hui; Jonathan W. Foster City CA USAANM Woo; Lik Chuen AlecAACI Union CityAAST CAAACO USAAGP Woo; Lik Chuen Alec Union City CA USAANM Hong; WeiAACI BerkeleyAAST CAAACO USAAGP Hong; Wei Berkeley CA US - In one embodiment, a battery-operated communication device “quick-samples” a frequency hopping sequence at a periodic rate corresponding to a substantially low duty cycle, and is discovered by (e.g., attached to) a main-powered communication device. During a scheduled sample, the main-powered communication device transmits a control packet to be received by the battery-operated communication device, the control packet containing timing information and transmitted to account for worst-case clock drift error between the two devices. The battery-operated communication device responds to the control packet with a link-layer acknowledgment containing timing information from the battery-operated communication device. Accordingly, the two devices may re-synchronize their timing based on the timing information in the control packet and acknowledgment, respectively. | 2013-01-17 |
20130016758 | OVERLAYING INDEPENDENT UNICAST FREQUENCY HOPPING SCHEDULES WITH A COMMON BROADCAST SCHEDULEAANM Hui; Jonathan W.AACI Foster CityAAST CAAACO USAAGP Hui; Jonathan W. Foster City CA USAANM Hong; WeiAACI BerkeleyAAST CAAACO USAAGP Hong; Wei Berkeley CA USAANM Woo; Lik Chuen AlecAACI Union CityAAST CAAACO USAAGP Woo; Lik Chuen Alec Union City CA US - In one embodiment, each device in a frequency hopping communication network independently determines its own local unicast listening schedule, and discovers a neighbor unicast listening schedule for each of its neighbors. The devices also synchronize to a common broadcast schedule for the network that simultaneously overlays a configured portion of all unicast listening schedules in the network. Accordingly, the device operate in a receive mode according to their local unicast listening schedule and the common broadcast schedule during the overlaid configured portion, and in a transmit mode according to each neighbor unicast listening schedule and the common broadcast schedule during the overlaid configured portion depending upon a destination of transmitted traffic. | 2013-01-17 |
20130016759 | POWER CONSERVATION AND LATENCY MINIMIZATION IN FREQUENCY HOPPING COMMUNICATION NETWORKSAANM Hui; Jonathan W.AACI Foster CityAAST CAAACO USAAGP Hui; Jonathan W. Foster City CA USAANM Hong; WeiAACI BerkeleyAAST CAAACO USAAGP Hong; Wei Berkeley CA USAANM Woo; Lik Chuen AlecAACI Union CityAAST CAAACO USAAGP Woo; Lik Chuen Alec Union City CA US - In one embodiment, a communication device samples a particular frequency hopping sequence during only a particular specified sub-timeslot of a timeslot. If a transmission energy is not detected during the specified sub-timeslot, the device turns off its receiver for a remainder of the timeslot. Otherwise, it continues to sample the particular frequency hopping sequence for at least one or more additional sub-timeslots of the remainder of the timeslot. In another embodiment, a communication device determines whether a neighboring communication device is operating in a first mode or a second mode. If in the second mode, it transmits a transmission to the neighboring communication device starting at any sub-timeslot of the plurality of sub-timeslots. If in the first mode, it transmits the transmission to the neighboring communication device while ensuring that the transmission is actively energized during a particular specified sub-timeslot. | 2013-01-17 |
20130016760 | METHODS AND APPARATUSES FOR LOW-RATE TELEVISION WHITE SPACE (TVWS) ENABLEMENT - Certain aspects of the present disclosure relate to techniques for supporting television white space (TVWS) communication. In an aspect of the present disclosure, a low-rate TVWS enabler (Mode II wireless communication device) may provide initial enablement for all Mode I devices (e.g., access points and user terminals), as well as it may transmit a contact verification signal (CVS) on a regular basis to keep the Mode I devices enabled for the TVWS communication. | 2013-01-17 |
20130016761 | Transmitter with a Variable Sampling RateAANM NENTWIG; MarkusAACI HelsinkiAACO FIAAGP NENTWIG; Markus Helsinki FI - The present invention presents a method and a system for mitigating effects of clock harmonics in the receiver. The receiving signal may be monitored in such a way that the interfering harmonic component is tracked. When the interfering frequency is found out, the system determines the clock or clocks in the transceiver which are contributing to the interfering spurious tone. After that, the contributing clock(s) frequency is selected so that the effect of the spurious tone in the receiving passband is minimized or mitigated. This is performed by selecting a suitable clock frequency resulting in the spurious tones all falling outside the receiver passband; or in an OFDM system, by choosing a clock frequency deriving the spurious tone straight onto a subcarrier signal frequency. | 2013-01-17 |
20130016762 | DATA COMMUNICATION SYSTEM, METHOD OF OPTIMIZING PREAMBLE LENGTH, AND COMMUNICATION APPARATUSAANM Tanaka; HitoshiAACI KanagawaAACO JPAAGP Tanaka; Hitoshi Kanagawa JP - A frame is effectively transmitted and received by setting an optimal preamble length according to transmission environments between communication apparatuses. A data communication system includes a synchronization detection part to detect bit synchronization based on the preamble of the frame received to the second communication apparatus from the first communication apparatus, a synchronization position information generating part to generate synchronization position information of a position of the bit synchronization, which is in the frame received in the second communication apparatus, detected by the synchronization detection part, a preamble length calculating part to calculate an optimal value of a length of the preamble based on the synchronization position information, and a transmit command issuing part to issue a transmit command of transmission of the frame including the preamble having the length based on the optimal value from the first communication apparatus to the second communication apparatus. | 2013-01-17 |
20130016763 | BEAMFORMING FOR NON-COLLABORATIVE, SPACE DIVISION MULTIPLE ACCESS SYSTEMS - A wireless communication system noncollaborative, multiple input, multiple output (MIMO) space division multiple access (SDMA) system determines subscriber station combining and weighting vectors that yield a high average signal-to-interference plus noise ratio (SINR). Each subscriber station independently transmits information to a base station that allows the base station to determine a weight vector w | 2013-01-17 |
20130016764 | Apparatus and Method for Generating Codebook in a Wireless Communication System - An apparatus and method for generating a codebook in a wireless communication system are disclosed. The codebook generation apparatus includes a processor for generating a covariance matrix of a channel between the transmitting end and a receiving end, using a unitary matrix including a first vector corresponding to at least one quantized dominant singular singular vector of the channel and a second vector corresponding to at least one basis vector of a null space of the first vector, and transforming a predefined first codebook by applying the covariance matrix of the channel to the first codebook. | 2013-01-17 |
20130016765 | SELECTION OF WINDOW LENGTH BASED ON MULTIPLE METRICS - Techniques for windowing a transmission are disclosed herein. In one aspect of the disclosure, the length of a window used for windowing may be configurable and determined for a transmission based on a configuration of the transmission. The configuration of the transmission may be determined based on one or more parameters such as a system bandwidth, a bandwidth assigned for the transmission, the location of the assigned bandwidth within the system bandwidth, a modulation type used for the transmission, etc. In another aspect of the disclosure, a preferred length for a window may be determined for each of a number of possible configurations of a transmission. Different possible window lengths may be evaluated for each possible configuration based on one or more performance metrics. For each configuration, a window length that can provide the best performance for that configuration may be selected as a preferred window length for that configuration. | 2013-01-17 |
20130016766 | RECEIVING DEVICEAANM Soma; NamiAACI TokyoAACO JPAAGP Soma; Nami Tokyo JP - A receiving device reduces a frequency of performing AF check per a predetermined amount of time during a reception of a digital broadcast through a hybrid broadcast to less than a frequency of performing AF check per a predetermined amount of time during a reception of an analog broadcast through the hybrid broadcast. | 2013-01-17 |
20130016767 | METHOD AND APPARATUS FOR DETERMINING CHANNEL STATE INFORMATIONAANM Pean; JohanAACI DresdenAACO DEAAGP Pean; Johan Dresden DEAANM Bury; AndreasAACI DresdenAACO DEAAGP Bury; Andreas Dresden DE - A mobile station receiving a signal from a base station experiences time/frequency varying channel conditions. In order to get the maximum throughput from a base-station, it is necessary to adjust the modulation and coding schemes to the actual channel quality. To do so, mobile receivers are required to probe the radio channel condition and feedback a limited set of estimated channel state information parameters such as CQI, RI, and PMI. The invention uses modulation-specific mutual information as a basic metric for CQI-PMI-RI computation to yield high bandwidth efficiency under both flat fading and interference conditions as well as time and frequency selective fading and interference conditions, at reasonable complexity. | 2013-01-17 |
20130016768 | METHODS AND APPARATUS FOR EFFICIENT ADAPTIVE FILTERING FOR VIDEO ENCODERS AND DECODERS - Methods and apparatus are provided for efficient adaptive filtering for video encoders and decoders. An apparatus includes a video encoder for encoding picture data for at least a portion of a picture using adaptive filtering. The video encoder includes an adaptive filter for performing the adaptive filtering. A final filter coefficient set used for the adaptive filtering is determined by iteratively estimating a plurality of filter coefficient sets and selecting a last estimated one of the plurality of filter coefficient sets as the final filter coefficient set when a last iteration corresponding to the last estimated one of the plurality of filter coefficient sets results in a quality improvement above a threshold value for the portion. | 2013-01-17 |
20130016769 | SIGNALING PICTURE SIZE IN VIDEO CODING - A video encoder is configured to determine a picture size for one or more pictures included in a video sequence. The picture size associated with the video sequence may be a multiple of an aligned coding unit size for the video sequence. In one example, the aligned coding unit size for the video sequence may comprise a minimum coding unit size where the minimum coding unit size is selected from a plurality of smallest coding unit sizes corresponding to different pictures in the video sequence. A video decoder is configured to obtain syntax elements to determine the picture size and the aligned coding unit size for the video sequence. The video decoder decodes the pictures included in the video sequence with the picture size, and stores the decoded pictures in a decoded picture buffer. | 2013-01-17 |
20130016770 | WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHODAANM Kishigami; TakaakiAACI TokyoAACO JPAAGP Kishigami; Takaaki Tokyo JPAANM Imamura; DaichiAACI KanagawaAACO JPAAGP Imamura; Daichi Kanagawa JPAANM Yoshii; IsamuAACI KanagawaAACO JPAAGP Yoshii; Isamu Kanagawa JP - As a parameter control unit that controls video encoding parameters regarding video encoding in a video encoding unit and transmission channel parameters regarding error correction coding and modulation in a channel coding/modulation unit so as to be linked to each other, a cross layer rate control unit is provided. The cross layer rate control unit performs variable control of the GOP size according to propagation changes by reducing the GOP size when the amount of change in the predicted value of the PHY transmission rate is larger than a determined amount of change and increasing the GOP size when the amount of change in the predicted value of the PHY transmission rate is equal to or less than the determined amount of change. | 2013-01-17 |
20130016771 | VIDEO DECODER PARALLELIZATION FOR TILESAANM Misra; KiranAACI VancouverAAST WAAACO USAAGP Misra; Kiran Vancouver WA USAANM Segall; Christopher A.AACI CamasAAST WAAACO USAAGP Segall; Christopher A. Camas WA US - A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice is characterized that it is decoded independently of the other the at least one slice. Each of the at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order. The at least one tile of the frame are collectively arranged in a raster scan order of the frame. | 2013-01-17 |
20130016772 | IMAGE CODING METHOD AND IMAGE DECODING METHOD - An image coding method includes: generating a temporarily coded chrominance signal from the coded residual signal and the intra prediction chrominance signal; calculating a direct-current component of the input chrominance signal; calculating a direct-current component of the temporarily coded chrominance signal; calculating an offset value from the direct-current component of the input chrominance signal and the direct-current component of the temporarily coded chrominance signal; coding quantized coefficients, an intra prediction mode, and the offset value; and adding the offset value to the temporarily coded chrominance signal to generate a coded chrominance signal. | 2013-01-17 |
20130016773 | APPARATUS OF GENERATING PREDICTION BLOCK - Provided is an intra prediction decoding apparatus that restores quantized residual coefficients, intra prediction information and size information on a prediction unit from a received bit stream, restores an intra prediction mode of the current prediction unit on the basis of the intra prediction information and the size information on the current prediction unit, generates unavailable reference pixels of the prediction unit, and adaptively filters the reference pixels on the basis of the intra prediction mode. Also, the apparatus generates a prediction block by adaptively filtering reference pixels corresponding to the intra prediction mode. Then, the apparatus generates a restoration image using the prediction block and a restored residual block. Accordingly, a prediction block close to an original image can be restored, and an image compression ratio can be improved. | 2013-01-17 |
20130016774 | INTRA PREDICTION DECODING APPARATUS - Provided is an intra prediction decoding apparatus that restores quantized residual coefficients, intra prediction information and size information on a prediction unit from a received bit stream, restores an intra prediction mode of the current prediction unit on the basis of the intra prediction information and the size information on the current prediction unit, generates unavailable reference pixels of the prediction unit, and adaptively filters the reference pixels on the basis of the intra prediction mode. Also, the apparatus generates a prediction block by adaptively filtering reference pixels corresponding to the intra prediction mode. Then, the apparatus generates a restoration image using the prediction block and a restored residual block. Accordingly, a prediction block close to an original image can be restored, and an image compression ratio can be improved. | 2013-01-17 |
20130016775 | Video Encoding Using Visual Quality FeedbackAANM Varodayan; David PrakashAACI StanfordAAST CAAACO USAAGP Varodayan; David Prakash Stanford CA USAANM Tan; Wai-TianAACI SunnyvaleAAST CAAACO USAAGP Tan; Wai-Tian Sunnyvale CA US - Video quality is improved by encoding video frames based on visual quality feedback received from recipients about decoded video. A video frame is encoded based on whether a previous decoded video frame comprises a severe degradation. | 2013-01-17 |
20130016776 | Scalable Video Coding Using Multiple Coding Technologies - Techniques for video decoding include decoding a base layer of a first video coding technology and at least one enhancement layer conforming to a second video coding technology. The video coding technologies can be identified in a Dependency Parameter Set. Techniques for video encoding include encoding a base layer in a first video coding technology, at least one enhancement layer in a second video coding technology. Also disclosed are video communication systems using base and enhancement layer. | 2013-01-17 |
20130016777 | Pixel-Based Intra Prediction for Coding in HEVC - An apparatus comprising a processor configured to receive a video frame comprising a current block, wherein the current block comprises a plurality of original pixels, compute a plurality of reconstructed pixels based on the original pixels, and use an intra prediction mode to generate a set of prediction pixels based on a set of reconstructed pixels in the plurality of reconstructed pixels. | 2013-01-17 |
20130016778 | VIDEO COMPRESSION AND ENCODING METHOD - Disclosed herein is a method for decoding a video signal having at least one frame with a plurality of blocks including a current block, including generating, for at least a selected pixel in the current block, a predicted value for at least one pixel located in a row i and a column j of the current block using a processor and according to the following equation: X | 2013-01-17 |
20130016779 | VIDEO COMPRESSION AND ENCODING METHOD - Disclosed herein is a method for decoding a video signal having at least one frame with a plurality of blocks including a current block, including generating, for at least a selected pixel in the current block, a predicted value for at least one pixel located in a row i and a column j of the current block using a processor and according to the following equation: X | 2013-01-17 |
20130016780 | METHOD FOR DECODING MOVING PICTURE IN INTRA PREDICTION MODE - Provided is a method that de-multiplexes a bit stream to extract intra prediction mode information and residual signals, restores an intra prediction mode of a current prediction unit using the intra prediction information and intra prediction modes of prediction units adjacent to the current prediction unit, generates reference pixels using one or more available reference pixel if there exist unavailable reference pixels of the prediction unit, adaptively filters the reference pixels based on the restored intra prediction mode, generates a prediction block using the restored intra prediction mode and the reference pixels, decodes the residual signal to generating a residual block, and generates a reconstructed block using the prediction block and the residual block. Accordingly, additional bits resulted from increase of a number of intra prediction mode are effectively reduced. Also, an image compression ratio can be improved by generating a prediction block similar to an original block. | 2013-01-17 |
20130016781 | Preserving Image Quality in Temporally Compressed Video StreamsAANM Syed; Yasser F.AACI Los AngelesAAST CAAACO USAAGP Syed; Yasser F. Los Angeles CA US - When a temporally compressed video stream is decoded and subsequently re-encoded, quality is typically lost. The quality loss may be mitigated using information about how the source video stream was encoded during the re-encoding process. According to some aspects of the disclosure, this mitigation of quality loss can be facilitated by decoders that output such information and encoders that receive such information. These decoders and encoders may be separate devices. The functionality of these decoders and encoders may also be combined in a single device, such as a transcoding device. An example of the information that may be used during re-encoding is whether each portion of the original stream was intra-coded or non-intra-coded. | 2013-01-17 |
20130016782 | IMAGE DECODING METHOD, IMAGE CODING METHOD, IMAGE DECODING APPARATUS, IMAGE CODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS - The image decoding method includes determining a context for use in a current block to be processed, from among a plurality of contexts, wherein in the determining: the context is determined under a condition that control parameters of a left block and an upper block are used, when the signal type is a first type; and the context is determined under a third condition that the control parameter of the upper block is not used and a hierarchical depth of a data unit to which the control parameter of the current block belongs is used, when the signal type is a third type, and the third type is one or more of (i) “merge_flag”, (ii) “ref_idx_l0” or “ref_idx_l1”, (iii) “inter_pred_flag”, (iv) “mvd_l0” or “mvd_l1”, (v) “intra_chroma_pred_mode”, (vi) “cbf_luma”, and (vii) “cbf_cb” or “cbf_cr”. | 2013-01-17 |
20130016783 | Method and Apparatus for Coding Unit Partitioning - A method for coding unit partitioning in a video encoder is provided that includes performing intra-prediction on each permitted coding unit (CU) in a CU hierarchy of a largest coding unit (LCU) to determine an intra-prediction coding cost for each permitted CU, storing the intra-prediction coding cost for each intra-predicted CU in memory, and performing inter-prediction, prediction mode selection, and CU partition selection on each permitted CU in the CU hierarchy to determine a CU partitioning for encoding the LCU, wherein the stored intra-prediction coding costs for the CUs are used. | 2013-01-17 |
20130016784 | METHOD AND DEVICE FOR PROCESSING PIXELS CONTAINED IN A VIDEO SEQUENCEAANM Sikora; ThomasAACI BerlinAACO DEAAGP Sikora; Thomas Berlin DEAANM Krutz; AndreasAACI BerlinAACO DEAAGP Krutz; Andreas Berlin DEAANM Glantz; AlexanderAACI BerlinAACO DEAAGP Glantz; Alexander Berlin DE - The present invention inter alia relates to a method for processing the pixel value of at least one image pixel contained in a current frame of a video sequence, said method comprising the steps of constructing an individual motion trajectory comprising motion-shifted versions of the at least one image pixel over a plurality of preceding and/or subsequent frames, and processing the pixel value based on the individual motion trajectory, wherein said step of constructing said individual motion trajectory comprises the steps of:
| 2013-01-17 |
20130016785 | SPATIAL BLOCK MERGE MODE - In one embodiment, a spatial merge mode for a block of video content may be used in merging motion parameters. Spatial merge parameters are considered and do not require utilization of bits or flags or indexing to signal at the encoder or decoder. If the spatial merge mode is determined, the method merges the block of video content with a spatially-located block, where merging shares motion parameters between the spatially-located block and the block of video content. | 2013-01-17 |
20130016786 | VIDEO DECODER FOR TILES - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one tile is characterized that it is decoded independently of the other the at least one tile including intra-prediction information, motion information. The system receives a set of data from a set of largest coding unit of at least two of the tiles and decoding the largest coding units in a selected manner depending upon a flag in the bitstream. The flag indicates that the decoding is to be performed in a raster scan order within a tile or the decoding is to be performed in a raster scan order across at least two tiles. | 2013-01-17 |
20130016787 | Fast Motion Estimation For Hierarchical Coding Structures - A method for motion estimation is provided that includes determining a first motion vector for a first child coding unit (CU) of a parent CU and a second motion vector for a second child CU of the parent CU, wherein the first child CU, the second child CU, and the parent CU are in a CU hierarchy, wherein the first and second child CUs are smallest size CUs in the CU hierarchy, and wherein a first motion search type is used to determine the first motion vector and the second motion vector, selecting the first and second motion vectors as candidate predictors for the parent CU, selecting a predictor for a prediction unit (PU) of the first parent CU from the candidate predictors, and refining the predictor using a second motion search type to determine a motion vector for the PU. | 2013-01-17 |
20130016788 | METHOD OF DECODING MOVING PICTURE IN INTER PREDICTION MODE - Provided is a method that generates a prediction block of a current prediction unit, and generates a residual block of the current prediction unit. To generate the prediction block, a reference picture index and motion vector difference of the current prediction unit are obtained from a received bit stream, spatial and temporal motion vector candidates are derived to construct a motion vector candidate list. A motion vector predictor is selected and a motion vector of the current prediction unit is restored to generate the prediction block. Therefore, the motion vector encoded effectively using spatial and temporal candidates is correctly recovered and the complexity of a decoder is reduced. | 2013-01-17 |
20130016789 | CONTEXT MODELING TECHNIQUES FOR TRANSFORM COEFFICIENT LEVEL CODING - In one embodiment, a method for encoding video data is provided that includes receiving a transform unit comprising a two-dimensional array of transform coefficients and processing the transform coefficients of the two-dimensional array along a single-level scan order. The processing includes selecting, for each non-zero transform coefficient along the single-level scan order, one or more context models for encoding an absolute level of the non-zero transform coefficient, where the selecting is based on one or more transform coefficients previously encoded along the single-level scan order. | 2013-01-17 |
20130016790 | METHOD AND APPARATUS FOR SUPER-RESOLUTION VIDEO CODING USING COMPRESSIVE SAMPLING MEASUREMENTSAANM Jiang; HongAACI WarrenAAST NJAACO USAAGP Jiang; Hong Warren NJ USAANM Wilford; Paul A.AACI BernardsvilleAAST NJAACO USAAGP Wilford; Paul A. Bernardsville NJ US - Embodiments relate to a method and apparatus for super resolution video coding using compressive measurements. The method includes receiving, by a decoder, a set of measurements, where the set of measurements represents encoded video data having original video data with an original display resolution. The method further includes determining, by the decoder, a display resolution, where the display resolution is higher than the original display resolution, and determining a reduction matrix based on at least a number of pixels for the determined display resolution, where the reduction matrix includes a pattern of values. The method further includes reconstructing, by the decoder, the video data or a portion of the video data using the determined reduction matrix and the received set of measurements such that the original display resolution is enlarged to the determined display resolution. | 2013-01-17 |
20130016791 | MEDIA STREAMING WITH ADAPTATIONAANM Collard; ArnaudAACI MontessonAACO FRAAGP Collard; Arnaud Montesson FRAANM Delahaye; NicolasAACI Marly le roiAACO FRAAGP Delahaye; Nicolas Marly le roi FR - A method and apparatus for receiving a media stream provided in a plurality of different, alternative encoded representations. Each representation comprises a series of discrete fragments and each fragment comprises a contiguous temporal segment of the stream. The method comprises: obtaining ( | 2013-01-17 |
20130016792 | MANAGING COEXISTENCE AMONG SIGNALING PROTOCOLS ON A SHARED MEDIUM - Within a domain of a master device, devices that share a power line as a communications medium monitor signal detection windows to sense network status. The devices transmit sensed network status to the master device. The master device allocates channel resources based on the network statuses communicated by the devices within the domain. | 2013-01-17 |
20130016793 | SYSTEMS AND METHODS FOR INCREASING COMMUNICATIONS BANDWIDTH USING NON-ORTHOGONAL POLARIZATIONS - Systems and methods for increasing communications bandwidth using non-orthogonal polarizations are provided herein. Under one aspect, a method of transmitting M independent signals, where M is at least 3, includes receiving the M signals from respective sources; at a transmitter polarization module, obtaining first and second linear combinations of the M signals; providing the first and second linear combinations to first and second input ports of a transmitter antenna; and transmitting with the transmitter antenna the first linear combination at a first polarization and the second linear combination at a second polarization orthogonal to the first polarization. The method may further include receiving at a receiver antenna the first linear combination at the first polarization, and the second linear combination at the second polarization; obtaining at receiver circuitry the M signals based on the received first and second linear combinations; and outputting the M signals on respective output ports. | 2013-01-17 |
20130016794 | TRANSMITTER INCLUDING CALIBRATION OF AN IN-PHASE/QUADRATURE (I/Q) MODULATOR AND ASSOCIATED METHODSAANM THOMPSON; Mark W.AACI FairportAAST NYAACO USAAGP THOMPSON; Mark W. Fairport NY USAANM DAMINSKI; Robert E.AACI RochesterAAST NYAACO USAAGP DAMINSKI; Robert E. Rochester NY USAANM PADALINO; Brian C.AACI RochesterAAST NYAACO USAAGP PADALINO; Brian C. Rochester NY US - A transmitter includes an input, a modulator, and a calibration memory configured to store discrete calibration test points. A compensator is coupled between the input and the modulator and cooperates with the calibration memory to cause the modulator to generate a respective calibration carrier signal for each of the discrete calibration test points during a calibration phase. A detector is coupled to an output of the modulator and is configured to determine respective calibration values of the calibration carrier signals during the calibration phase. A compensator calculator is coupled to an output of the detector, and is configured to generate compensation values for the compensator for use during an operation phase and based on the calibration values of the calibration carrier signals. | 2013-01-17 |
20130016795 | TRANSMISSION DEVICEAANM Kunihiro; KazuakiAACI TokyoAACO JPAAGP Kunihiro; Kazuaki Tokyo JPAANM Hori; ShinichiAACI TokyoAACO JPAAGP Hori; Shinichi Tokyo JPAANM Shiikuma; KazumiAACI TokyoAACO JPAAGP Shiikuma; Kazumi Tokyo JP - A transmission device includes a pulse modulated signal generator that generates a pulse-modulated signal by changing the width of a pulse or the density of a pulse according to the magnitude of the amplitude component of an input signal while discretely changing the pulse height according to the magnitude of the amplitude, a modulated-signal generator that generates a modulated signal by integrating the pulse-modulated signal and the phase component of the input signal, a power amplifier that includes at least as many amplifiers as the number of the discrete amplitude levels of the modulated signal, changes the number of amplifies that amplify the modulated signal on the basis of the value of the amplitude level of the modulated signal, combines outputs of the amplifiers, and outputs a combined output, and an output filter that eliminates a square-wave component from the output of the power amplifier. | 2013-01-17 |
20130016796 | SIGNAL MODULATOR AND SIGNAL MODULATING METHODAANM Sun; Chih-HaoAACI New Taipei CityAACO TWAAGP Sun; Chih-Hao New Taipei City TWAANM Yu; Chi-YaoAACI Hsinchu CountyAACO TWAAGP Yu; Chi-Yao Hsinchu County TW - A signal modulator includes: a modulating circuit; a first signal trace block arranged to conduct a first in-phase oscillating signal to the modulating circuit, and conduct a first quadrature-phase oscillating signal to the modulating circuit; and a second signal trace block arranged to conduct a second in-phase oscillating signal to the modulating circuit, and conduct a second quadrature-phase oscillating signal to the modulating circuit, and a phase difference caused by the first signal trace block substantially equals a phase difference caused by the second signal trace block. | 2013-01-17 |
20130016797 | METHOD AND APPARATUS FOR UPDATING SYMBOL RECOVERY PARAMETERS AND CORRECTING SYMBOL TIMING MISALIGNMENTAANM Naing; Kyaw M.AACI PlantationAAST FLAACO USAAGP Naing; Kyaw M. Plantation FL USAANM Doberstein; Kevin G.AACI ElmhurstAAST ILAACO USAAGP Doberstein; Kevin G. Elmhurst IL USAANM Han; DonghoAACI ParklandAAST FLAACO USAAGP Han; Dongho Parkland FL US - A radio receiver ( | 2013-01-17 |
20130016798 | ADAPTIVE DIGITAL RECEIVER - The present invention provides a high-performance adaptive digital receiver with adaptive background control that optimizes the performance in rapidly changing signal environments and provides 3.6 GH; instantaneous bandwidth, SFDR>90 dB, SNR=66 dB, with dynamic digital channelization. The receiver takes advantage of several levels of adaptivity that conventional approaches do not offer. In addition to a dynamic digital channelizer that is adaptively tuned based on detected signals, the present invention employs a powerful software reconfigurable digitizer that is adaptively optimized for the current signal environment to control important receiver parameters such as bandwidth, dynamic range, resolution, and sensitivity. | 2013-01-17 |
20130016799 | Detection of Radio Signals in a ReceiverAANM Lopez; MiguelAACI SolnaAACO SEAAGP Lopez; Miguel Solna SEAANM Sandberg; KennethAACI EkeroAACO SEAAGP Sandberg; Kenneth Ekero SE - Non-linear distortions, called glitches, occur in radio receivers when automatic gain control (AGC) is employed for regulating the dynamic range of the received signal. It is proposed to determine (S | 2013-01-17 |
20130016800 | METHOD AND APPARATUS FOR PRECISE OPEN LOOP TUNING OF REFERENCE FREQUENCY WITHIN A WIRELESS DEVICE - A communications subsystem for a wireless device for correcting errors in a reference frequency signal. The communications subsystem comprises a frequency generator for generating the reference frequency signal and a closed loop reference frequency correction module that generates a reference frequency adjustment signal for correcting the reference frequency signal when the communications subsystem operates in closed loop mode. The subsystem further includes an open loop frequency correction means that that samples values of the reference frequency adjustment signal during the closed loop mode and generates a frequency correction signal for correcting the reference frequency signal when the communications subsystem operates in a mode other than closed loop mode. | 2013-01-17 |
20130016801 | METHOD AND APPARATUS FOR GENERATING SECONDARY SYNCHRONIZATION SIGNALSAANM Xia; ShuqiangAACI ShenzhenAACO CNAAGP Xia; Shuqiang Shenzhen CNAANM Mi; DezhongAACI ShenzhenAACO CNAAGP Mi; Dezhong Shenzhen CN - The present invention provides a method and an apparatus for generating secondary synchronization signals, wherein the method comprises steps of: determining a value of iteration times M according to a total number N of cell ID groups or a cell ID group index N | 2013-01-17 |
20130016802 | OSCILLATION POWER RANGE MONITOR AND METHOD OF CHECKING SOUNDNESS THEREOFAANM FURUSAWA; TakayoshiAACI TokyoAACO JPAAGP FURUSAWA; Takayoshi Tokyo JPAANM Umemura; NorihiroAACI TokyoAACO JPAAGP Umemura; Norihiro Tokyo JPAANM Miyazaki; TadashiAACI KanagawaAACO JPAAGP Miyazaki; Tadashi Kanagawa JP - An oscillation power range monitor has: an averaging section that assigns a plurality of LPRM readings input filtered to remove noise thereof from local power range monitors to calculate cell average value of the LPRM readings assigned to each cell; a time average processing section that calculates a cell time average value from the average value of each cell; a normalized cell value computing section that computes the normalized cell value for each cell from the cell time average value and the cell average value; a trip determining section that receives the normalized cell value, monitors oscillations of each cell output and outputs a scram trip when the normalized cell value exceeds a predetermined value; and an abnormality determining section that assigns a plurality of LPRM readings input and determines abnormality of each LPRM reading assigned to each cell based on the oscillations of the LPRM reading. | 2013-01-17 |
20130016803 | CONTROL ROD BLADE EXTENSION FOR A NORDIC NUCLEAR REACTOR - An apparatus or system that may incorporate a single component to connect the control rod blade to the control rod drive system (CRD) of a Nordic-type of BWR. The apparatus or system may eliminate the need of using multiple components to connect the control rod blade with the CRD. | 2013-01-17 |
20130016804 | SHIFT REGISTERAANM AHN; Jung-EunAACI GyeongbukAACO KRAAGP AHN; Jung-Eun Gyeongbuk KRAANM Jung; Bo-YoungAACI Gumi-siAACO KRAAGP Jung; Bo-Young Gumi-si KRAANM Chae; Ji-EunAACI Gumi-siAACO KRAAGP Chae; Ji-Eun Gumi-si KR - A shift register is discussed in which a pull-up switching device is turned off positively in a period in which no scan pulse is forwarded for securing drive stability and prevents a picture quality from becoming poor. The shift register in one embodiment includes stages having any one of first and second start pulses, and any one of first to fourth clock pulses to forward a scan pulse in succession, wherein the first and second start pulses are in gate high voltage states for two horizontal periods, with the second start pulse forwarded with a delay of one horizontal period than the first start pulse. The first to fourth clock pulses are in gate high voltages for two horizontal periods, with one horizontal period delay to one another. | 2013-01-17 |
20130016805 | METHOD AND SYSTEM FOR ACQUIRING SPARSE CHANNEL DATA AND FOR IMAGE PROCESSING UTILIZING ITERATIVE RECONSTRUCTION ALGORITHMSAANM SILVER; Michael D.AACI NORTHBROOKAAST ILAACO USAAGP SILVER; Michael D. NORTHBROOK IL USAANM SHI; DaxinAACI VERNON HILLSAAST ILAACO USAAGP SHI; Daxin VERNON HILLS IL US - The current invention is generally related to a data acquisition and or image processing method and system for acquiring and or processing sparse channel data. The sparse channel is implemented in a data acquisition system having a predetermined wider pitch between the adjacent detector cells than that in the currently available imaging systems at least in one predetermined channel direction. The sparse channel is also defined to encompass various imaging modalities including CT, positron emission tomography (PET) and positron emission tomography-computed tomography (PET/CT). The sparse channel data is acquired by the sparse channel data acquisition system, and an image is reconstructed from the sparse channel data according to a predetermined iterative reconstruction technique. | 2013-01-17 |
20130016806 | ADJUSTABLE SCANNER - An apparatus for dental and facial imaging including a rotatable gantry having an axis of rotation generally in the direction of local gravitational vertical; a source of penetrating radiation mounted on the gantry; an elongated detector for detecting radiation and producing image data, the detector mounted opposite the source on the gantry, and having a length, a long axis, and a short axis The gantry, source, and detector configured to receive the head of a patient between the source and the detector, with the axis of rotation of the gantry passing through the patient's head. The detector is mounted rotatably to the gantry and movable between a first position where the long axis of the detector is generally perpendicular to the axis of rotation of the gantry and a second position where the long axis of the detector is generally parallel to the axis of rotation of the gantry. | 2013-01-17 |
20130016807 | MAMMOGRAPHY X-RAY DEVICEAANM Kallert; JacquelineAACI ErlangenAACO DEAAGP Kallert; Jacqueline Erlangen DEAANM Standar; RobertAACI PretzfeldAACO DEAAGP Standar; Robert Pretzfeld DE - A mammography x-ray device includes a compression apparatus with a compression plate that may be displaced along an axis. The compression apparatus has a drive device that may be actuated by an operating element to displace the compression plate. | 2013-01-17 |
20130016808 | APPARATUS AND METHODS FOR DETERMINATION OF THE HALF VALUE LAYER OF X-RAY BEAMS - Described is an apparatus for use in HVL measurement as well as methods of making measurements. One version of the apparatus is a cage structure having a central axis and a central opening defined by a filter encircling the central axis, with the filter having a thickness that varies peripherally around said central axis. The filter can be formed from multiple spaced-apart plates having varying thicknesses or can be formed from a cylinder having a continuously increasing thickness. | 2013-01-17 |
20130016809 | RADIATION DETECTION DEVICE, RADIATION IMAGE ACQUIRING SYSTEM, RADIATION INSPECTION SYSTEM, AND RADIATION DETECTION METHOD - A radiation image acquiring system is provided. An X-ray image acquiring system irradiates X-rays to a subject from an X-ray source, and detects X-rays transmitted through the subject. The X-ray image acquiring system includes a first detector for detecting X-rays that are transmitted through the subject to generate first image data, a second detector arranged in parallel to the first detector with a dead zone region sandwiched therebetween, for detecting X-rays that are transmitted through the subject to generate second image data, and a timing control section for controlling detection timing of the second detector based on a dead zone width of the dead zone region so that first image data to be generated by the first detector and second image data to be generated by the second detector mutually correspond. | 2013-01-17 |