45th week of 2010 patent applcation highlights part 29 |
Patent application number | Title | Published |
20100284394 | RADIO COMMUNICATION TERMINAL DEVICE AND RADIO TRANSMISSION METHOD - It is possible to provide a radio communication terminal device and a radio transmission method which can improve reception performance of a CQI and a reference signal. A phase table storage unit ( | 2010-11-11 |
20100284395 | Method and apparatus for frame selection - To address the need for new techniques that are able to reduce delays in frame selection, a method such as that depicted in diagram | 2010-11-11 |
20100284396 | Communication system and method - A method, program and system for use in a communication system comprising at least a packet-based network. The method comprises: receiving names of users of the communication system retrieved from a first storage unit; and interacting with a document-browser application executed on a first user terminal, the document browser being configured to retrieve an electronic document from a second storage unit and display it on a screen, the document comprising at least a portion of text; wherein said interaction comprises analysing the text of the retrieved document in order to match one or more of said names with one or more respective corresponding text strings in said document, and displaying presence information in conjunction with the document to indicate an availability status of the user corresponding to the matched name. | 2010-11-11 |
20100284397 | HANDLING OUT-OF-SEQUENCE PACKETS IN A CIRCUIT EMULATION SERVICE - Various exemplary embodiments relate to a method and related network node having a playout buffer including one or more of the following: receiving a first packet, a second packet, a first set of at least one subsequent packet, wherein each packet includes a sequence number (SN); determining that the second packet is not in sequence with the first packet by determining that the SN of the second packet is not equal to the SN of the first packet plus an expected increment value; determining whether the second packet represents a jump in SNs by determining whether the SN of a first subsequent packet is equal to the SN of the second packet plus the expected increment value; and when the second packet represents a jump in SNs, gradually normalizing the playout buffer upon receipt of each subsequent packet. | 2010-11-11 |
20100284398 | SYSTEM AND METHOD FOR PROVIDING PHONE RELATED SERVICES TO DEVICES USING UPnP ON A HOME NETWORK - A system and method for exchanging call data between multiple devices using Universal Plug and Play (UPnP) on a home network. The system includes a telephony terminal, a first electronic device, a second electronic device, and a control point for selecting the telephony terminal and the first and second electronic devices for exchanging the call data, for setting a call reception connection between the telephony terminal and the first and second electronic devices, and forming a plurality of sessions for exchanging the call data between the selected telephony terminal and the first and second electronic devices. | 2010-11-11 |
20100284399 | MEDIA PATH OPTIMIZATION FOR MULTIMEDIA OVER INTERNET PROTOCOL - Methods for optimizing the media path between multimedia endpoints in a network are described. One embodiment allows avoiding having to relay the media traffic through a central device, such as a border controller's media controller element, and lets endpoints communicate directly under various conditions. | 2010-11-11 |
20100284400 | PROVISIONING MOBILITY SERVICES TO LEGACY TERMINALS - A method of facilitating access to a Host Identity Protocol security procedure by a legacy host ( | 2010-11-11 |
20100284401 | Large-Scale Packet Switch - A packet switch that scales gracefully from a capacity of a fraction of a terabit per second to thousands of terabits per second is disclosed. The packet switch comprises edge nodes interconnected by independent switch units. The switch units are arranged in a matrix having multiple rows and multiple columns and may comprise instantaneous or latent space switches. Each edge node has a channel to a switch unit in each column and a channel from each switch unit in a selected column. A simple path traversing only one of the switch units may be established from each edge node to each other edge node. Where needed, a compound path comprising at most two simple paths may be established for any edge-node pair. In a preferred configuration, the switch units connect at input to orthogonal sets of edge nodes. A distributed control system expedites connection-request processing. | 2010-11-11 |
20100284402 | SYSTEM AND METHOD FOR NODES COMMUNICATING IN A SHARED NETWORK SEGMENT - The invention provides a method and system for a network which includes a plurality of nodes, preferably routers, a shared network segment for communication between the nodes, and several multicast channels in the shared network segment on which the nodes, preferably routers, can send multicast messages to the other nodes. A specific multicast channel is provided on which the nodes can send specific start multicast messages to other nodes, wherein a node which starts a protocol application, preferably a routing protocol application such as Open Shortest Path First (OSPF) protocol, is adapted to send a multicast start message on the specific multicast channel. Another node, preferably a router, receiving this start message is adapted to validate the authenticity of the start message and to send a response message. | 2010-11-11 |
20100284403 | SCALABLE ROUTING POLICY CONSTRUCTION USING DYNAMIC REDEFINITION OF ROUTING PREFERENCE VALUE - In general, techniques are described to dynamically redefine a preference value used during route resolution. A network device, such as a router, may implement the techniques to improve a usability aspect of the router. The router may comprise an interface card that receives messages describing one or more of a plurality of routes. The router may also include a control unit that stores data defining a policy. The policy may comprise rules by which the router determines the preference value for one of the plurality of routes. The policy dynamically redefines the preference value as two or more bit fields rather than viewing the preference value as an integer value. The control unit further sets each of the two or more bit fields of the local preference value in accordance with the policy and associates the at least one of the routes with the determined local preference value. | 2010-11-11 |
20100284404 | SYSTEMS AND METHODS FOR PACKET STEERING IN A MULTI-CORE ARCHITECTURE - Described herein is a method and system for distributing whole and fragmented requests and responses across a multi-core system. Each core executes a packet engine that further processes data packets and data packet fragments allocated to that core. A flow distributor executing within the multi-core system forwards client requests to a packet engine on a core that is selected based on a value generated when a hash is applied to a tuple comprising a client IP address, a client port, a server IP address and a server port identified in the request. The packet engine maintains each element of the tuple and forwards the request to the selected core. The packet engine can also process data packet fragments by assembling the fragments prior to transmitting them to the selected core, or by transmitting the data packet fragments to the selected core. | 2010-11-11 |
20100284405 | METHOD AND APPARATUS FOR SEARCHING IP ADDRESS - The present disclosure provides IP address lookup method and apparatus. In one embodiment of the disclosure, an IP address lookup apparatus stores node information generated for a binary search-on-levels architecture in a universal multi-hashing table prior to searching with an advance filtering by a universal Bloom filter minimizing the number of accesses to the universal multi-hashing table before executing the IP address lookup. | 2010-11-11 |
20100284406 | SWITCH WITH FUNCTION FOR ASSIGNING QUEUE BASED ON A DECLARED TRANSFER RATE - In an asynchronous transfer mode switch, a plurality of queues is provided for accumulating transfer cells, and a queue assignment processing section, receives a message for establishing a connection and assigns to the connection one of the queues having a forwarding rate close to a declared rate included in the message and not exceeding the declared rate. | 2010-11-11 |
20100284407 | NEXTHOP TO A FORWARDING TABLE - A router receives destination address information for a packet and determines, among entries in a first forwarding table, a closest match for the received destination address information. The router receives a pointer to a second forwarding table in accordance with the closest match determined in the first forwarding table and determines, among entries in the second forwarding table, a closest match for the received destination address information. | 2010-11-11 |
20100284408 | SYSTEM FOR RECEIVING TRANSPORT STREAMS - A system comprising first input means for receiving a transport stream from an external source, second input means for receiving an input from a memory, means for connecting the first and second input means to an interface which is arranged to provide an output stream to a decoder. The second input means is arranged to provide an output to the interface in such a form that the interface does not distinguish between the output from the first and second input means. | 2010-11-11 |
20100284409 | AUTONOMOUS SYSTEM BOUNDARY ROUTER DEVICE, AND METHOD FOR ACQUIRING VIRTUAL PRIVATE NETWORK LABEL - A method for acquiring a virtual private network (VPN) label is provided, in which the VPN is based on a multi-protocol label switching (MPLS) network. The method includes: acquiring VPN routing information; parsing the VPN routing information to obtain a VPN identifier, an upper-level router device identifier, and a receiving label; and acquiring a forwarding label according to the VPN identifier, the upper-level router device identifier, and the receiving label. The method is applied to an autonomous system boundary router (ASBR) device. | 2010-11-11 |
20100284410 | PACKET RELAY APPARATUS AND PACKET RELAY METHOD - A packet relay apparatus identifies port information for identifying a port, included in a partition corresponding to a reception port having received a packet, from a partition information storing unit which stores a correspondence between port information for identifying ports included in the partition and partition information for identifying the partition configured for the apparatus. The apparatus determines whether the identified port information is included in the port information stored by being corresponded to reception VLAN information which is VLAN information set for a received packet by a VLAN information storing unit which is a storing unit storing a correspondence between port information for identifying a port used for transmission and/or reception of a packet transmitted and VLAN information for identifying the virtual network. The apparatus transmits the packet from a port determined to include the port information in response to the determination that the port information is included. | 2010-11-11 |
20100284411 | SYSTEMS AND METHODS FOR PROVIDING A MULTI-CORE ARCHITECTURE FOR AN ACCELERATION APPLIANCE - The present solution is related to a method for distributing flows of network traffic across a plurality of packet processing engines executing on a corresponding core of a multi-core device. The method includes receiving, by a multi-core device intermediary to clients and servers, a packet of a first flow of network traffic between a client and server. The method also includes assigning, by a flow distributor of the multi-core device, the first flow of network traffic to a first core executing a packet processing engine and distributing the packet to this core. The flow distributor may distribute packets of another or second flow of traffic between another client and server to a second core executing a second packet processing engine. When a packet for the flow of traffic assigned to the first core is received, such as a third packet, the flow distributor distributes this packet to the first core. | 2010-11-11 |
20100284412 | METHOD AND APPARATUS FOR TRANSPORTING CONTENT - A system that incorporates teachings of the present disclosure may include, for example, a controller operable to receive signaling information from a local resource manager (LRM) identifying a recipient media processor (RMP) and describing at least one media characteristic of media content selected by an initiating media processor (IMP) to be presented at the RMP, determine a location of the RMP and a media capability of the RMP, compare the media capability of the RMP to the at least one media characteristic of the media content, determine a media configuration of at least one network element in an interactive television network based on the comparison, configure at least one network element of a virtual private network (VPN) based on the media configuration, and transmit signaling information to the LRM to enable the IMP to present the media content at the RMP over the VPN. Other embodiments are disclosed. | 2010-11-11 |
20100284413 | DUAL HOMED E-SPRING PROTECTION FOR NETWORK DOMAIN INTERWORKING - A system for controlling packet forwarding through a dual-homed connection between first and second network domains, the dual-homed connection including two peer nodes connected to the first and second network domains. A sub-ring network is instantiated in the first network domain, and includes at least two nodes connected in a linear topology between a pair of end-nodes. Each end-node corresponds with a respective one of the peer nodes. A virtual link through the second network domain for conveys traffic of the sub-ring network between the peer nodes, and closes the sub-ring network to define a ring topology. Each of the nodes of the sub-ring network is controlled to forward packets of the sub-ring network in accordance with a ring network routing scheme. | 2010-11-11 |
20100284414 | FLEXIBLE STACKING PORT - A stackable device having a plurality of data ports, wherein each of the data ports is capable of operating as a regular data port or a stacking port. A first set of one or more of the data ports is specified as a first flexible stacking port, and a second set of one or more of the data ports is specified as a second flexible stacking port. Each flexible stacking port can be individually configured to operate as an actual stacking port, if required by the configuration of an associated stack. If a flexible stacking port is not configured to operate as an actual stacking port, then the data port(s) included in the flexible stacking port are available to operate as regular data port(s). | 2010-11-11 |
20100284415 | BRIDGES AND COMPUTING DEVICES WITH BRIDGES - The present invention may be related to a bridge for communications in a data communication system. The bridge may include a first interface, a second interface, a memory and a micro control unit. The first interface may be adapted to couple with a first computing device in the data communication system. The second interface may be adapted to couple with a second computing device in the data communication system. The memory may be adapted to store a set of codes sent from the first computing device via the first interface, wherein the set of codes is related to one of at least one function device of the first computing device. Moreover, the micro control unit may be configured to execute the set of codes for generating device information in a format consistent with a protocol type of the second interface. The device information may include parameters related to the one function device. | 2010-11-11 |
20100284416 | Network relay device and ring network - A network relay device constituting a network includes a transmit/receive unit having plural ports; an FDB for storing as its registered contents at least a port identifier for identifying each of the plural ports, or an LAG port into which are grouped a specified number of the plural ports, a terminal identifier for identifying a terminal, and an FDB_ID for being associated with both the port identifier and the terminal identifier; and an FDB_ID table for storing the FDB_ID associated with the port identifier. When the registered contents of a specified port or LAG port stored in the FDB are erased, the stored FDB_ID associated with the port identifier identifying that port or LAG port is rewritten as another value. | 2010-11-11 |
20100284417 | DATA STREAM ROUTER - The invention provides a router for providing isochronous data transfer and asynchronous data transfer on the basis of a predetermined protocol between devices of different network sections connected to said router, wherein a connection management application executed by said router translates a user request to transfer data from a transmitting device of a first network section to a receiving device of a second network section into commands of said protocol for establishing a first data connection between said transmitting device and said router and a second data connection between said router and said receiving device, wherein said data is transferred from said transmitting device via the established data connections to said receiving device. | 2010-11-11 |
20100284418 | METHOD AND SYSTEM FOR TELECOMMUNICATIONS INCLUDING SELF-ORGANIZING SCALABLE ETHERNET USING IS-IS HIERARCHY - A first aggregation node in communication with the first network and the second network, the source node and internal nodes of the first network only having knowledge of each other and of the first aggregation node. The system includes a second aggregate node in communication with the second network and the third network, the internal nodes of the second network only having knowledge of each other and the first and second aggregate nodes, the destination node and the internal nodes of the third network only having knowledge of each other and the second aggregation node, the first and second aggregation nodes only having knowledge of each other, the destination node receiving the data from the source node using a link state routing protocol and shortest path bridging through the first second and third networks and the first and second aggregation nodes. | 2010-11-11 |
20100284419 | Auto-Selection of SGMII or SERDES Pass-Through Modes - Methods and systems for operating a physical layer device (“PHY”) in an Ethernet network include methods and systems for detecting active link partners and for selecting a mode of operation based on detected active link partners, without user intervention. The PHY monitors fiber link media and copper link media for active link partners. The PHY selects a mode of operation according to detected active link partners. For example, a serial gigabit media independent (“SGMII”) mode of operation is selected when an active copper link partner is detected and an active fiber link partner is not detected. Similarly, a serialize/deserialize (“SerDes”) pass-through mode of operation is selected when an active fiber link partner is detected and an active copper link partner is not detected. The PHY interfaces with the active copper link partner when the SGMII mode of operation is selected. Conversely, the PHY interfaces with the active fiber link partner when the SerDes pass-through mode of operation is selected. The SGMII or SerDes pass-through mode of operation can be prioritized for when active copper and fiber link partners are detected. The prioritized mode can be user selectable or factory set. The invention optionally powers down circuitry associated with an unselected mode of operation. | 2010-11-11 |
20100284420 | Apparatuses and Method to Utilize Multiple Protocols in a Communication System - A two way communication system is adapted for compatible inter-operation of a plurality of devices operating in accordance with a plurality of protocols. The communication system includes a first group of one or more remote devices that interface with a local host in accordance with a first protocol and a second group of one or more remote devices that interface with the local host in accordance with a second protocol. The local host includes a protocol processor that identifies transmissions from the first and second groups of remote devices and routes transmissions from the first group of remote devices to a first processor operating in accordance with the first protocol and also routes transmissions from the second group of remote devices to a second processor operating in accordance with the second protocol. | 2010-11-11 |
20100284421 | Closed-Loop Clock Synchronization - A network comprising a destination node, and a plurality of source nodes configured to transmit high-priority data and low-priority data to the destination node, wherein the source nodes correlate the transmission of the high-priority data to the destination node such that the high-priority data from each source node does not substantially contend with the high-priority data from the other source nodes upon arrival at the destination node. Also disclosed is a network component comprising at least one processor configured to implement a method comprising creating a periodic time window, partitioning the time window into low-priority time-bands and high-priority time-bands, placing a plurality of high-priority packets in the high priority time-bands, and placing a plurality of low-priority packets in the low-priority time-bands. | 2010-11-11 |
20100284422 | NETWORK CONTROL CIRCUIT HAVING PSEUDO HOT PLUG FUNCTION AND PSEUDO HOT PLUG METHOD FOR NETWORK CONTROL CIRCUIT - The present invention provides a network control circuit having a pseudo hot plug function and a pseudo hot plug method for a network control circuit. The network control circuit comprises: a network processing module for executing a network function of the network control circuit, a network detecting unit for detecting a connection status of a network connected to the network control circuit so as to generate a detecting result, and a control unit coupled to the network detecting unit and the network processing module, for determining whether to turn off the network processing module according to the detecting result. When the detecting result shows that the connection status of the network is un-connecting, the control unit determines to turn off the network processing module. When the detecting result shows that the connection status of the network is connecting, the control unit determines to turn on the network processing module. | 2010-11-11 |
20100284423 | BANDWIDTH GUARANTEED COMMUNICATION SYSTEM - A bandwidth guaranteed communication system is obtained for securing or reserving a bandwidth dynamically required for a minute unit such as an application on Ethernet. The system is provided with a communication network in which a plurality of devices each terminating a layer | 2010-11-11 |
20100284424 | SYSTEM AND METHOD FOR ADAPTING TRANSMIT DATA BLOCK SIZE AND RATE BASED ON QUALITY OF COMMUNICATION LINK - System and method for transmitting data to a remote communication device to achieve desirable transmit data block size and data rate based on measurements of the communication link quality to the remote device. The method entails selecting an initial transmit data rate and power based on an initial measurement of the link quality, and a default size for the transmit data block. The data block is then transmitted to the remote, and an acknowledgement (ACK) message is received from the remote. If the ACK message indicates that the data block was properly received, the size for the next data block to be transmitted is increased. Otherwise, the size for the next data block may be decreased or remain the same. Additionally, the transmit data rate may be increased if the remote properly receives a defined number of consecutive data blocks, or decreased if the remote does not receive a defined number of consecutive data blocks. | 2010-11-11 |
20100284425 | SYSTEM AND METHOD OF USING TDM VARIABLE FRAME LENGTHS IN A TELECOMMUNICATIONS NETWORK - A system, method, and node for efficiently packing payload of variable or arbitrary frame lengths into a TDM telecommunications system transmission. A transmitting unit transmits a plurality of frames whose concatenation does not precisely fit into the interval between TDM framing synchronization patterns to a receiving unit. An offset value is determined, which specifies the consequent delay in transmission of a TDM framing synchronization pattern. The offset value is then sent to the receiving unit in conjunction with the TDM framing signal. The receiving unit receives the plurality of frames and the offset value and reconstructs a precise reference instant derived from the offset value. By reconstructing the precise interval boundary, the receiving unit remains synchronized with the transmitting unit. | 2010-11-11 |
20100284426 | INTELLIGENT MULTI-PACKET HEADER COMPRESSION - A packet analyzer(s) gets multiple packets, typically of a communication between communication devices. The multiple packets use the same protocol and contain one or more protocol headers with individual field(s) that contain data. The packets are organized into an array of packets. Each packet is a row in the array of packets. Each column in the array is comprised of the same field in each packet in the array of packets. The data in the fields in the column are then compressed into a compression packet. | 2010-11-11 |
20100284427 | METHOD, COMMUNICATION APPARATUS FOR TRANSMITTING DATA IN A COMMUNICATION SYSTEM AND THE COMMUNICATION SYSTEM - A method, a communication device for transmitting data in a communication system, and the communication system. The method includes: detecting the current channel quality; determining the overlapping coding times corresponding to the detected channel quality according to the corresponding relation between the channel quality and the overlapping coding frequency; performing coding operation of overlapping coding multiplexing technique to the data which is to be transmitted using the determined overlapping coding times and transmitting the coded data. The method improves the reliability of data transmission under the circumstance of channel quality being relatively poor, and improves the transmission efficiency, avoids the resource waste under the circumstance of channel quality being better. | 2010-11-11 |
20100284428 | FIBER LASER LIGHT SOURCE - A fiber laser light source is provided with a laser resonator including a pair of fiber gratings optically connected to a fiber in a state that the fiber is interposed between the paired fiber gratings. The reflection center wavelength of a laser-exit side fiber grating, out of the paired fiber gratings, lies in a wavelength range where the reflectance of a fiber grating, out of the paired fiber gratings, closer to the pump laser light source is not smaller than 80% but not larger than 98%. | 2010-11-11 |
20100284429 | PULSED LIGHT GENERATOR AND PULSED FIBER LASER - A pulsed light generator of the invention includes: an excitation light source; a fiber grating into which excitation light from the excitation light source enters; a rare-earth doped optical fiber optically coupled with the fiber grating, in which a rare-earth element is doped into a core, serving as an optical transmitting section; an optical switch including a deflection element for causing a Q-switching operation; a first optical fiber that causes light from the rare-earth doped optical fiber to enter into the optical switch; and a second optical fiber for waveguiding pulsed light output from the optical switch. One surface side of the optical switch, into which light enters, is subjected to anti-reflection treatment with a reflectance with respect to a wavelength of the pulsed light output from the optical switch being 0.1% or less. A low-reflection section having a reflectance with respect to the wavelength of the pulsed light output from the optical switch of from 1% to 60% inclusive, is arranged on an other surface side of the optical switch, from which light is emitted. | 2010-11-11 |
20100284430 | SYSTEMS AND METHODS FOR GENERATING HIGH REPETITION RATE ULTRA-SHORT OPTICAL PULSES - Systems, methods, circuits and/or devices for generating high repetition rate ultra-short pulses are described. As one of many examples, an optical pulse generating laser system is described that produces mode-locked optical pulses. The laser system incorporates an optical pulse generation device that includes two optical loops coupled via a beam splitter. In addition, the optical pulse generation device includes an optical gain medium that is associated with the first optical loop, and a saturable element that is disposed in either the first optical loop or the second optical loop. The saturable element is operable to modulate a group of optical pulses propagating in at least one of the first optical loop and the second optical loop to create a group of substantially regular modulated pulses. | 2010-11-11 |
20100284431 | OPTICAL PULSE TRAIN GENERATOR - An optical pulse train generator | 2010-11-11 |
20100284432 | SURFACE EMITTING LASER ARRAY AND PRODUCTION METHOD THEREFOR - A surface emitting laser array having a plurality of surface emitting lasers arranged in an array, each of the surface emitting lasers being provided with a two-dimensional photonic crystal having a resonance mode in an in-plane direction and with an active layer. The surface emitting laser has a mesa-shaped inclined side wall surface. When a maximum light-receiving angle with respect to the mesa-shaped inclined side wall surface at which an incident light is coupled with a waveguide containing the two-dimensional photonic crystal is denoted as θmax°, an angle formed by a plane of the two-dimensional photonic crystal and the mesa-shaped inclined side wall surface is controlled so as to exceed (90+θmax)° or be smaller than (90−θmax)°. | 2010-11-11 |
20100284433 | SEMICONDUCTOR LASER DEVICE AND DISPLAY - A semiconductor laser device capable of easily obtaining a desired hue is obtained. This semiconductor laser device ( | 2010-11-11 |
20100284434 | EDGE EMITTING SEMICONDUCTOR LASER CHIP HAVING AT LEAST ONE CURRENT BARRIER - An edge emitting semiconductor laser chip includes at least one contact strip, wherein the contact strip has a width B, an active zone, in which electromagnetic radiation is generated during the operation of the semiconductor laser chip, and at least two current barriers, arranged on different sides of the contact strip and extending along the contact strip, wherein the largest distance V between at least one of the current barriers and the contact strip is chosen in such a way that the ratio of the largest distance V to the width B is V/B>1. | 2010-11-11 |
20100284435 | Red-Shifted Optical Feedback Laser - A semiconductor laser is provided, and a method of producing 600-1100 laser light, and a method of making a semiconductor laser is provided. The semiconductor laser includes a quantum well layer with a spectral profile of peak wavelength λ | 2010-11-11 |
20100284436 | IR THERMOMETER THERMAL ISOLATION TIP ASSEMBLY - An IR tip assembly includes a shroud having at least one feature that permits releasable attachment of a disposable cover fitted to a shroud. When the disposable cover is fitted to the shroud, at least one air gap is defined between the shroud and the disposable cover. An IR sensor disposed within the IR tip assembly is mechanically and thermally coupled to a heat sink. The at least one defined air gap creates a thermal isolation between the disposable cover and the disposed IR sensor. There can also be airflow through the at least one air gap. Apparatus and methods to create the airflow are described. | 2010-11-11 |
20100284437 | PLUG-IN SENSOR FOR MEASURING AT LEAST ONE PROPERTY OF A FLUID MEDIUM - A plug-in sensor for measuring at least one property of a fluid medium, in particular for use in the coolant circuit of an air conditioning system of a motor vehicle. The plug-in sensor has at least one sensor for detecting the at least one property. Furthermore, the plug-in sensor has at least one sensor body having an external thread for threading the plug-in sensor into a threaded bore hole of a housing. Furthermore, the plug-in sensor includes a sealing surface for sealing an inner space of the housing against an outer space. The external thread has at least two threaded sections: a first threaded section including at least one continuous thread, and a second threaded section including at least one interrupted thread, at least one interruption of the at least one interrupted thread forming at least one blow-out groove. | 2010-11-11 |
20100284438 | Thermocouple - A thermocouple having at least one inner alignment feature or at least one outer alignment feature, or a combination thereof for positively positioning and aligning at least one thermocouple junction within a bore formed in a susceptor ring of a semiconductor substrate processing reactor. The outer alignment feature is configured to positively align the junction(s) longitudinally within the bore. The inner alignment feature configured to positively position the junction(s) rotationally within the sheath of the thermocouple relative to the bore. | 2010-11-11 |
20100284439 | SIGNAL JAMMING AVOIDANCE METHOD FOR A FREQUENCY HOPPING COMMUNICATION SYSTEM - To avoid signal jamming, a method is provided for selecting a dwell channel on a receiver in a frequency hopping communication system. The method includes: measuring a noise level on channels over which a data signal is received at the receiver; selecting a dwell channel based on the estimated noise levels, where the dwell channel having the lowest noise level amongst a group of permissible channels over which to acquire a signal from a transmitter; and tuning the receiver to the selected dwell channel during a search state in which the receiver attempts to synchronize with a transmitter. | 2010-11-11 |
20100284440 | Time-Multiplexed Binary Offset Carrier Signaling and Processing - Methods and systems for direct sequence spread spectrum (DSSS) signals are described herein. In an embodiment, a DSSS signal includes a time multiplexed spreading time series. The time multiplexed spreading time series includes a data spreading time series includes at least a first spreading symbol, and a pilot spreading time series includes at least a second spreading symbol and a third spreading symbol. The second spreading symbol and the third spreading symbol are different. | 2010-11-11 |
20100284441 | Receiver for GPS-like signals - A module for receiving a plurality of signals that are modulated with a common carrier, where each of the signals includes information that enables a determination of a distance from said receiver to a source that transmits the signal, and outputs to outside the module a digital representation of a downshifted replica of the received signals or, alternatively, outputs a stored and delayed version of the downshifted replica of the received signals together with information about the delay. | 2010-11-11 |
20100284442 | Authenticating a signal based on an unknown component thereof - Authentication of a signal, signal | 2010-11-11 |
20100284443 | Channel Estimation - A user terminal is configured to generate supplemental pilot symbols from data symbols transmitted to other user terminals meeting a predetermined reliability criterion. The supplemental pilot symbols can be used for channel estimation, covariance estimation, CQI estimation, or other purposes. | 2010-11-11 |
20100284444 | METHOD AND APPARATUS FOR PACKET ACQUISITION - Certain aspects of the present disclosure relate to a method for acquisition of a received spread spectrum signal transmitted over a wired or wireless medium. | 2010-11-11 |
20100284445 | INSERTED PILOT CONSTRUCTION FOR AN ECHO CANCELLATION REPEATER - In one embodiment, a device for constructing a pilot signal for use in a wireless repeater where the pilot signal is added to a transmit signal includes one or more pilot generators. Each pilot generator generates a carrier pilot signal associated with a single carrier of the transmit signal and the carrier pilot signals generated by the one or more pilot generators are summed to generate the pilot signal. Each of the one or more pilot generators includes a pilot symbol unit providing multiple data symbols having a predetermined data structure as the carrier pilot signal, a pilot scrambler, a filter, a pilot power determination unit, and a cyclic prefix insertion unit for inserting a cyclic prefix, to the carrier pilot signal. In another embodiment, the pilot symbol unit providing multiple data symbols in frequency domain as the carrier pilot signal. | 2010-11-11 |
20100284446 | Method and Apparatus for MIMO Repeater Chains in a Wireless Communication Network - In one or more embodiments taught herein, a multi-band MIMO repeater is configured to translate normal wireless mobile bands into other frequency bands in the physical layer. An advantageous, multi-hop repeater chain includes two or more such repeaters, for propagating downlink signals from a base station, and for propagating uplink signals to the base station. Each such repeater may use paralleled homodyne structure transceivers for better SNR, spectrum combiners for uplink signal aggregation, spectrum separators for downlink signal de-aggregation, water mark signal inserters for optimization, and, among other things, spectrum analyzers for frequency band selection. In at least one such embodiment, a multi-hop repeater chain is configured for MIMO operation in an LTE Advanced or other MIMO network, to deliver high data rate over larger distances—e.g., further away from cell base stations. | 2010-11-11 |
20100284447 | FREQUENCY DOMAIN FEEDBACK CHANNEL ESTIMATION FOR AN INTERFERENCE CANCELLATION REPEATER INCLUDING SAMPLING OF NON CAUSAL TAPS - A method for estimating a feedback channel for a wireless repeater uses frequency domain channel estimation on samples of a pilot signal and samples of a receive signal. The pilot signal samples may be delayed to align the largest channel tap to a given reference time. A time domain feedback channel is generated by retaining both the causal taps and the non-causal taps of the channel estimate. | 2010-11-11 |
20100284448 | WIRELESS COMMUNICATION APPARATUS - An object of the invention is to provide a wireless communication apparatus which can correct error flexibly without wasting consumed resources while maintaining the improvement of reliability resulted from error correction. The wireless communication apparatus (relay station) | 2010-11-11 |
20100284449 | METHODS AND COMMUNICATION SYSTEMS HAVING ADAPTIVE MODE SELECTION - Examples are generally described that include methods for selecting a transmit mode in a communications system. An example method may include calculating a first transmission rate for data in a multiple-input multiple-output mode of the communications system and calculating a second transmission rate for the data in a single-input multiple-output mode of the communications system. A mode may be selected from the group consisting of the multiple-input multiple-output mode and the single-input multiple-output mode based, at least in part, on an energy consumption of the first and second transmission rates. Data may be transmitted from a transceiver in the communications system using the selected mode. | 2010-11-11 |
20100284450 | RADIO COMMUNICATION APPARATUS - A disclosed radio communication apparatus includes an amplifier configured to amplify a signal received via one of multiple channels including a channel where frequency hopping is conducted; a signal strength measurement circuit configured to measure signal strength of the received signal; and a gain value computation unit configured to compute a gain value for the amplifier based on the signal strength measured by the signal strength measurement circuit. The gain value computation unit is configured to use values specific to the respective channels as coefficients of a function to compute the gain value. | 2010-11-11 |
20100284451 | MAC AND PHY INTERFACE ARRANGEMENT - According to an example embodiment of the present invention, a method is implemented for transmitting data between a Media Access Control Layer (MAC) ( | 2010-11-11 |
20100284452 | CAPACITIVE DIVIDER TRANSMISSION SCHEME FOR IMPROVED COMMUNICATIONS ISOLATION - A communication system comprising a first and second transceiver is provided. The first transceiver has a first and second port coupled to a communication medium, wherein a first differential capacitor couples the first and second ports together. The second transceiver has a third and fourth port each AC coupled to the communication medium, wherein a second differential capacitor couples the third and fourth ports together. | 2010-11-11 |
20100284453 | METHOD AND MODEM FOR SUBSEA POWER LINE COMMUNICATION - In a method and a modem ( | 2010-11-11 |
20100284454 | System and Method for Outer Loop Link Adaptation for a Wireless Communications System - A system and method for outer loop link adaptation for a wireless communications system are provided. A method for transmitting information includes receiving information to be transmitted, the information includes at least one codeword, encoding the at least one codeword, and transmitting the encoded at least one codeword. The encoding is based on a measurement of a channel being used to transmit the information and performance measurements for the channel. | 2010-11-11 |
20100284455 | ENCODING DEVICE, DECODING DEVICE, AND METHOD THEREOF - Provided is an encoding device which divides an input signal into a low-range component and a high-range component and encodes the components in separate encoding units. The encoding device can improve quality of a decoded signal. The encoding device ( | 2010-11-11 |
20100284456 | Execution Units for Context Adaptive Binary Arithmetic Coding (CABAC) - A digital processor for recovering a source bitstream from an encoded bitstream that has been encoded according to a context adaptive binary arithmetic coding (CABAC) algorithm. The processor includes a first execution unit and a second execution unit. The first execution unit generates first execution data by operating on a first register and a second register, and stores the first execution data in the first register. The first execution data includes a current output bit, a temporary range value and a temporary offset value. The current output bit corresponds to a bit of the source bitstream. The second execution unit generates second execution data by operating on the first register and the second register, and stores the second execution data in the second register. The second execution data includes a normalized range value and a normalized offset value. | 2010-11-11 |
20100284457 | CROSS-LAYER OPTIMIZATION FOR TRANSMISSION OF VIDEO CODEC OVER WIRELESS NETWORKS - A method and system for configuring at least one video codec at run-time are disclosed. A major limitation for wireless video communication on portable devices is the limited energy budget. In one aspect, the disclosed method and system minimize the energy cost of the two main energy consumers in such a wireless video device, i.e., the energy for video encoding and wireless communication tasks, via a cross-layer approach that explores the trade-off between coding and communication energies. | 2010-11-11 |
20100284458 | ADAPTIVE FILTERING - A method and device for determining an adaptive filter having multiple filter parameters, wherein a first filter parameter has a first level of adaptivity and a second filter parameter has a second, different level of adaptivity. Parameter values for the first filter parameter are determined among a first set of allowable filter parameter values. Parameter values for the second filter parameter are correspondingly determined among a second, different set of allowable filter parameter values. The different levels of adaptivity in the filter parameters are achieved because the second set includes more allowable filter parameter values than the first set. The adaptive filter is advantageously used in filtering in intra- or inter-predication during video encoding and decoding. | 2010-11-11 |
20100284459 | APPARATUS FOR ENCODING AND DECODING IMAGE USING ADAPTIVE DCT COEFFICIENT SCANNING BASED ON PIXEL SIMILARITY AND METHOD THEREFOR - The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes: a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients. | 2010-11-11 |
20100284460 | VIDEO ENCODING WITH TEMPORALLY CONSTRAINED SPATIAL DEPENDENCY FOR LOCALIZED DECODING - This disclosure describes techniques for region-of-interest (ROI) encoding. In accordance with the techniques described herein, an encoding device may determine a temporal spatial dependency value for a candidate reference video block for inter-coding a current block in a video frame. The encoding device may compare the temporal spatial dependency value to a threshold value and select a coding mode for the current block based on the comparison. A decoding device may receive data defining a ROI as well as the temporal spatial dependency value and decode a video block in the ROI based at least in part on the temporal spatial dependency value. In this manner, the techniques of this disclosure may allow a video content viewer the ability to choose a ROI to watch. | 2010-11-11 |
20100284461 | Encoding Filter Coefficients - A method of encoding a plurality of adaptive filter coefficients ( | 2010-11-11 |
20100284462 | METHODS AND SYSTEMS FOR SIGNIFICANCE COEFFICIENT CODING IN VIDEO COMPRESSION - A method for decoding significance coefficients in an encoded video sequence is described. An encoded video bitstream is received. Codebook table information is retrieved from the bitstream. Significance symbols are decoded using the retrieved codebook table information. Significance coefficients are decoded using the significance symbols. A plurality of transform coefficients is dequantized. An inverse transform is applied to a residual signal. A video sequence is constructed. A method for coding significance coefficients in a video sequence is also described. | 2010-11-11 |
20100284463 | METHOD OF CODING AND DECODING IMAGE - A method of simplifying the arithmetic operation in a global motion compensation process approximates the motion vector field of the whole image without using many parameters. Motion vectors in the global motion compensation are found by the interpolation and/or extrapolation of the motion vectors of a plurality of representative points | 2010-11-11 |
20100284464 | REDUCING COMPUTATIONAL COMPLEXITY WHEN VIDEO ENCODING USES BI-PREDICTIVELY ENCODED FRAMES - Several techniques aimed at reducing computational complexity when encoding uses bi-predictively encoded frames (B-frames) are implemented in a video encoder. In an embodiment, B-frames are not used as reference frames for encoding P-frames and other B-frames. Non-use of B-frames allows a de-blocking filter used in the video encoder to be switched off when reconstructing encoded B-frames, and use of a lower complexity filter for fractional-resolution motion search for B-frames. In another embodiment, cost functions used in motion estimation for B-frames are simplified to reduce computational complexity. In one more embodiment, fractional pixel refinement in motion search for B-frames is simplified. In yet another embodiment, predictors used in motion estimation for a macro-block in a P-frame are selected from a B-frame that uses a same reference frame as the P-frame. | 2010-11-11 |
20100284465 | METHOD FOR COMPRESSING DATA IN A VIDEO SEQUENCE - A method for compressing data in a video sequence, a system for carrying out the method, a computer program, and a computer program product are provided. In the described method, results of a motion estimation for a previous temporal decomposition stage are also used for motion compensation. | 2010-11-11 |
20100284466 | VIDEO AND DEPTH CODING - Various implementations are described. Several implementations relate to video and depth coding. One method includes selecting a component of video information for a picture. A motion vector is determined for the selected video information or for depth information for the picture. The selected video information is coded based on the determined motion vector. The depth information is coded based on the determined motion vector. An indicator is generated that the selected video information and the depth information are coded based on the determined motion vector. One or more data structures are generated that collectively include the coded video information, the coded depth information, and the generated indicator. | 2010-11-11 |
20100284467 | IMAGE CODING APPARATUS, IMAGE DECODING APPARATUS, IMAGE CODING METHOD, AND IMAGE DECODING METHOD - An input image signal is divided into MC block units and, when coding processing is performed in these divided units, a motion compensation section generates a motion-compensated prediction image by detecting movement amounts in predetermined MC block units, a smoothing filter section performs, with respect to the prediction image, smoothing of pixels located at the boundaries of adjoining MC blocks on the basis of predetermined evaluation criteria, and a prediction residual signal, which is obtained from the difference between the prediction image obtained by the smoothing, and the input image signal, is encoded. | 2010-11-11 |
20100284468 | IMAGE DECODING DEVICE, IMAGE DECODING METHOD, INTEGRATED CIRCUIT, AND PROGRAM - An image decoding device capable of performing parallel decoding of coded image data with a small memory bandwidth while suppressing momentary increase in the amount of data transferred for the decoding. An image decoding device ( | 2010-11-11 |
20100284469 | Coding Device, Coding Method, Composite Device, and Composite Method - The present invention relates to an encoding device, an encoding method, a decoding device, and a decoding method which are capable of suppressing deterioration of compression efficiency. | 2010-11-11 |
20100284470 | METHOD OF CODING AND DECODING IMAGE - A method of simplifying the arithmetic operation in a global motion compensation process approximates the motion vector field of the whole image without using many parameters. Motion vectors in the global motion compensation are found by the interpolation and/or extrapolation of the motion vectors of a plurality of representative points | 2010-11-11 |
20100284471 | VIDEO DECODING USING TEMPORALLY CONSTRAINED SPATIAL DEPENDENCY - This disclosure describes techniques for region-of-interest (ROI) encoding. In accordance with the techniques described herein, an encoding device may determine a temporal spatial dependency value for a candidate reference video block for inter-coding a current block in a video frame. The encoding device may compare the temporal spatial dependency value to a threshold value and select a coding mode for the current block based on the comparison. A decoding device may receive data defining a ROI as well as the temporal spatial dependency value and decode a video block in the ROI based at least in part on the temporal spatial dependency value. In this manner, the techniques of this disclosure may allow a video content viewer the ability to choose a ROI to watch. | 2010-11-11 |
20100284472 | Method for Reconstructing Digital Video Data Stream and Apparatus Thereof - An apparatus for reconstructing digital video data stream reconstructs a transport stream from a first data stream and a second data stream. Both of the first data stream and the second data stream comprise a plurality of packets, a plurality of input stream time reference (ISCR) values, and a plurality of deleted null packet (DNP) values. The apparatus includes a packet interval detector, that estimates a packet interval according to the first data stream or the second data stream; an alignment unit, that generates an alignment signal according to the ISCR values and the packet interval; an oscillator, coupled to the packet interval detector, that generates an output pulse signal; and a reconstruction controller, that reconstructs the transport stream from the first data stream and the second data stream and outputs the transport stream according to the alignment signal and the output pulse signal. The alignment unit includes a fine tuner for fine tuning a frequency of the output pulse signal according to the ISCR values and a local count. | 2010-11-11 |
20100284473 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 2010-11-11 |
20100284474 | TRANSMITTER CHANNEL THROUGHPUT IN AN INFORMATION NETWORK - Apparatus and methods for transmitting information over a home coax network. The apparatus and methods may involve a physical layer frequency domain signal preprocessor and a physical layer time domain signal transmitter. The transmitter may be configured to receive the signal from the preprocessor and transmit the signal over coax that is in radiofrequency communication with a plurality of network nodes, the transmitter having a first transmission channel and a second transmission channel. The signal may be received by a receiver on the network. The receiver may have a MAC-to-PHY interface that is configured to receive signals from single-transmission-channel transmitters. | 2010-11-11 |
20100284475 | TRANSMISSION RATE CONTROL METHOD, RADIO BASE STATION AND RADIO NETWORK CONTROLLER - The present invention provides a transmission rate control method for controlling the transmission rate of uplink user data, including the step of; a radio network controller notifies to a radio base station and a mobile station an effective period of an absolute transmission rate control channel, when a call is established or when a serving cell is changed; a radio base station determines whether or not to transmit the absolute transmission rate control channel to each of mobile stations which is performing a communication with the radio base station; and each of the mobile stations determines the transmission rate of the uplink user data, based on a maximum allowable transmission rate mapped to the absolute transmission rate control channel notified by the radio base station. | 2010-11-11 |
20100284476 | COORDINATION OF PACKET AND ACKNOWLEDGMENT RETRANSMISSIONS - Techniques generally related to a multi-copy transmission scheme are described. A first wireless communication device may transmit X | 2010-11-11 |
20100284477 | METHOD FOR TRANSMITTING SIGNAL IN MULTIPLE ANTENNA SYSTEM - A signal transmission method in a multiple antenna system is described. The signal transmission method includes, upon receiving channel state information from a receiving end, estimating a channel according to the channel state information, determining a precoding matrix according to the estimated channel and modifying the signal of the transmitting end using the precoding matrix in a process of mapping a symbol of the signal to a subcarrier, and transmitting the signal to the receiving end. According to the present invention, pre-equalization of a transmission signal can cause a receiving end to perform coherent combination, reduce pilot density by decreasing unnecessary pilots, and reduce interference within a cell or between cells. | 2010-11-11 |
20100284478 | Channel Estimating Apparatus and Method Thereof - A channel estimating technique is applied to an Orthogonal Frequency-Division Multiplexing (OFDM) communication system which receives a plurality of OFDM symbols. In one aspect, a channel estimating method includes performing Inverse Fast Fourier Transform (IFFT) with a second number of sampling points and a phase shift on each of preliminarily estimated frequency-domain channel responses including a first number of response values corresponding to each of the OFDM symbols, so as to obtain a first time-domain channel impulse response corresponding to each of the OFDM symbols, where the first number is lager than the second number. The method also generates a plurality of frequency-domain channel responses corresponding to the OFDM symbols according to the time-domain channel impulse responses. | 2010-11-11 |
20100284479 | Radio Transmission Apparatus, Radio Reception Apparatus, Radio Transmission-Reception System, And Method Thereof - A radio transmission apparatus for transmitting a first radio signal and a second radio signal with different communication system, the apparatus includes: a first transmission unit which generates the first radio signal on the basis of a first communication system and transmits the first radio signal; a diffusion processing unit which performs diffusion processing of data allocated to DC subcarrier on the basis of the first communication system, and generate a diffusion signal; an addition unit which adds the diffusion signal and a signal obtained by orthogonal frequency division multiplex processing; and a second transmission unit which transmits the added signal as the second radio signal. | 2010-11-11 |
20100284480 | METHOD AND APPARATUS FOR CHANNEL QUALITY MEASUREMENTS - A method and apparatus are provided for measuring channel quality over which has been transmitted a sequence of symbols produced by encoding and constellation mapping a source data element sequence. The method includes receiving a sequence of received symbols over the channel whose quality is to be measured. The sequence of received symbols is de-mapped based on a first channel quality indicator previously transmitted to a transmitter of the sequence of symbols. The method also includes decoding the de-mapped symbols to produce a decoded output sequence. In some embodiments, the decoding may be based on the first channel quality indicator. The method also includes re-encoding the decoded output sequence to produce a re-encoded output sequence. The method also includes correlating the de-mapped symbols with the re-encoded output sequence to produce a second channel quality indicator. The second channel quality indicator is transmitted to the transmitter to adaptively select a type of mapping based on the second channel quality indicator. In some embodiments, the transmitter may adaptively select a type of encoding based on the second channel quality indicator. | 2010-11-11 |
20100284481 | COMMUNICATION METHOD, AND TRANSMITTING APPARATUS AND RECEIVING APPARATUS USING THAT COMMUNICATION METHOD - A method for use in a communication apparatus that receives an orthogonal frequency division multiplexing (OFDM) signal transmitted from a base station. The OFDM signal includes a plurality of carrier groups each comprising a plurality of carriers, the plurality of carrier groups being assigned transmission data for a plurality of communication apparatuses. Each of the plurality of carrier groups adopt one of a first frame configuration, where the transmission data is transmitted using one modulation signal, and a second frame configuration, where the transmission data is transmitted using a plurality of modulated signals. The method includes specifying a carrier group to which transmission data for the communication apparatus is assigned, based on control information included in the received OFDM signal and generating reception data associated with the specified carrier group based on one of the one modulated signal used in the first frame configuration and the plurality of modulated signals used in the second frame configuration. | 2010-11-11 |
20100284482 | METHOD AND APPARATUS FOR RADIO RESOURCE ALLOCATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION SYSTEM - In an OFDM communication system, wherein a frequency bandwidth is divided into multiple Physical Resource Units (PRUs), a Frequency Partitioning Configuration Module (FPCM) is provided that configures a physical layer for use in multiple coverage areas. The FPCM divides the PRUs into a first group, for frequency selective allocations, and a second group, for frequency diverse allocations. The FPCM subdivides each of the two groups into multiple sets of PRUs, maps the sets of PRUs from the first group to consecutive PRUs allocated for contiguous segment allocation (CS-PRUs), and maps the sets of PRUs from the second group to consecutive PRUs allocated for distributed segment allocation (DS-PRUs). The FPCM permutes the DS-PRUs and allocates the CS-PRUs and the permuted DS-PRUs to at least one frequency partition. | 2010-11-11 |
20100284483 | PRECODER FOR SPATIAL MULTIPLEXING, MULTIPLE ANTENNA TRANSMITTER - A transmitter ( | 2010-11-11 |
20100284484 | OPEN LOOP PRECODER CYCLING IN MIMO COMMUNICATIONS - Data is transmitted over multiple input multiple output (MIMO) channels. Plural bit streams are modulated into multiple data symbol vectors. Each vector has a transmission rank with one vector for each MIMO channel. Transmission rank is the number of elements in a data symbol vector corresponding to the number of data streams being transmitted in parallel over each MIMO channel. The multiple data symbol vectors are preceded into multiple precoded symbol vectors using a plurality of precoder cycling sets, one set for each transmission rank including multiple different precoders. The precoders in each precoder cycling set are well-separated with respect to a plurality of distance measures. The precoding includes precoding each data symbol vector of a transmission rank with a precoder belonging to the precoder cycling set of that transmission rank. The precoded symbol vectors are then transmitted over the MIMO channels. | 2010-11-11 |
20100284485 | CONTROL SYSTEM METHODS AND APPARATUS FOR INDUCTIVE COMMUNICATION ACROSS AN ISOLATION BARRIER - Improved control apparatus and methods transfer information between devices, such as controllers and field devices, utilizing a modulator that generates a pulse width modulated (PWM) signal containing information to be transferred by a first of the devices, e.g., the controller, to the second device. A transformer or other inductive device transfers the PWM signal across the isolation barrier, where it is demodulated to analog form for application to the second device, e.g., the field device. Information transferred from the second device to the first device can be transferred in an amplitude modulated (AM) signal that utilizes, as its carrier, a fixed duty cycle output of the modulator that generates the PWM signal. | 2010-11-11 |
20100284486 | RECEIVING APPARATUS, TRANSMITTING-RECEIVING APPARATUS, AND TRANSMISSION SYSTEM METHOD THEREFOR - A receiving apparatus receives parallel data signals including a plurality of channels from a transmitting apparatus. The receiving apparatus includes a receiver, a detector, and a switch. The receiver receives the parallel data signals. The detector detects a first skew between channels within the receiving apparatus, and a second skew between channels prior to reception by the receiver. The switch interchanges the plurality of channels of the parallel data signals so as to reduce a total skew as a sum of the first skew and the second skew. | 2010-11-11 |
20100284487 | WIRELESS TRANSMISSION DEVICE AND WIRELESS TRANSMISSION METHOD - A wireless transmission method for improving the reception characteristic of a preamble. The wireless transmission method allows the patterns of subcarriers (transmitting antenna Tx | 2010-11-11 |
20100284488 | MIMO-OFDM TRANSMISSION DEVICE AND MIMO-OFDM TRANSMISSION METHOD - A MIMO-OFDM transmission apparatus is provided which allows high accuracy estimation of frequency offset, high accuracy estimation of a transmission path fluctuation and high accuracy synchronization/signal detection. | 2010-11-11 |
20100284489 | DIGITAL DIFFERENTIAL SIGNAL TRANSMITTER FOR LOW SUPPLY VOLTAGE - A digital differential signal transmitter circuit for a low supply voltage. A phase correction circuit for correcting digital signals transmitted through two signal paths in such a way as to have a phase relationship of differential signals and duty cycle correction circuits for correcting the digital signals in such a way as to maintain signal integrity in spite of changes in process, supply voltage and temperature are installed on the two signal paths so that the distortion of digital differential signals is compensated for. Power consumption at a final output section of the transmitter circuit is reduced. Impedances of the transmitter circuit and transmission lines are matched so that the transmitter circuit can operate insensitively with respect to operation circumstances. | 2010-11-11 |
20100284490 | METHOD FOR TRANSMITTING SIGNALS USING HARQ SCHEME TO GUARANTEE CONSTELLATION REARRANGEMENT GAIN - A method for transmitting signals using a hybrid automatic repeat request (HARQ) scheme to guarantee a constellation rearrangement gain having a predetermined level or more is provided. Predetermined code blocks are encoded, sub-block interleaving is performed with respect to the encoded code blocks, and the sub-block interleaved code blocks are transmitted according to redundancy version (RV) start locations of the sub-block interleaved code blocks. The RVs are set such that the order of bit streams modulated by an M-QAM (M>4) scheme is changed upon a retransmission. In addition, the RVs are set such that the RV start locations applied to code blocks having different sizes are different. | 2010-11-11 |
20100284491 | Method and Apparatus for Obtaining Symbol Mapping Diversity, Creating Constellation Map, and Modulating - A method and apparatus for obtaining a Symbol Mapping Diversity (SMD), creating a constellation map, and modulating are disclosed. | 2010-11-11 |
20100284492 | DIVERSITY RECEIVING APPARATUS AND DIVERSITY RECEIVING METHOD - There is provided a diversity receiving apparatus, comprising: a first branch ( | 2010-11-11 |
20100284493 | DOWN-SAMPLED IMPULSE RESPONSE CHANNEL ESTIMATION - A method for deriving a channel transfer function from an Orthogonal Frequency-Division Multiplex (OFDM) signal received over a channel and having unmodulated sub-carriers and sub-carriers modulated with symbols, includes the steps of sampling the received OFDM signal at a sampling rate greater than the bandwidth of the OFDM signal, deriving from the sampled OFDM signal a set of time domain coefficients representative of the channel impulse response, and deriving from a subset of the set of time domain coefficients a channel transfer function in the frequency domain. | 2010-11-11 |