| 23rd week of 2009 patent applcation highlights part 27 |
| Patent application number | Title | Published |
|---|
| 20090141606 | METHOD AND SYSTEM FOR MANAGING DATA FROM HOST TO OPTICAL DISC - A method for managing data from a host to an optical disc includes: storing data into a write data queue (WDQ) when the data of sequential write commands from the host are write-address-discontinuous; and transferring specific data from the WDQ to a write buffer when an available memory space in the WDQ is lower than a first threshold value or an available memory space in the write buffer exceeds a second threshold value. | 2009-06-04 |
| 20090141607 | OPTICAL DISC DRIVE AND METHOD FOR PLAYING A FAST ROLLING MUSIC DISC - A method for playing a fast rolling music disc is provided. A music disc is read at an accelerated rate and played at a standard rate by discretely buffering data blocks into a ping pong buffer. Playing of a first data block stored in the first buffer, and buffering of a second data block into the second buffer are concurrently executed. When the playing of the first data block is concluded, the playing order of the first buffer and the second buffer are interchanged, and the concurrent playing and buffering step is repeated. Such that the second data block is played in the second buffer while a third data block is buffered into the first buffer. Discreteness between the second data block and the first data block is dependent on a skipping ratio, and the skipping ratio is dependent on the accelerated rate. | 2009-06-04 |
| 20090141608 | OPTICAL RECORDING MEDIUM WITH BRAILLE CHARACTERS AND METHOD OF MANUFACTURING THE SAME - The invention discloses an optical recording medium comprising a first substrate, a second substrate, a median layer and an adhesive layer. A plurality of Braille characters is formed on the second substrate by injection molding. The median layer is formed on the first substrate. The second substrate is adhered to the median layer by the adhesive layer. Accordingly, a visually-impaired person can easily identify the contents in the optical recording medium by touching the Braille characters on the second substrate. | 2009-06-04 |
| 20090141609 | MULTI-LAYERED OPTICAL RECORDING MEDIUM AND METHOD FOR OPTICAL RECORDING AND READING - A multi-layered optical recording medium is provided of which the manufacturing costs is significantly reduced. The multi-layered optical recording medium has multiple information recording layers and at least two layers of the information recording layers have the same medium-side address information. This configuration allows for reducing the types of master stampers and thus reducing manufacturing costs. | 2009-06-04 |
| 20090141610 | Optical recording medium - In an optical recording medium for conducting at least one of reading and recording of optical information, the optical recording medium includes: a base board; and an antireflection layer composed of at least one layer, which is provided on a surface of a side of the base board where light enters for conducting at least one of the reading and recording of information. A wavelength of light that makes reflectance of the antireflection layer to light to be smallest is longer than that of the light that enters for conducting at least one of the reading and recording of information. | 2009-06-04 |
| 20090141611 | OPTICAL INFORMATION RECORDING MEDIUM - An optical information recording medium contains a recording layer that includes: a recording area on which a cavity is formed as a recording mark as a result of an increase in temperature around a focal point after absorbing a recording beam converged for recording of information in accordance with the wavelength of the recording beam and from which, when a predetermined reading beam is emitted for reproducing of the information, the information is reproduced based on the optically modulated reading beam; and a non-recording area provided adjacent to the recording area to prevent the heat around the focal point from dispersing. | 2009-06-04 |
| 20090141612 | HOLOGRAM REPRODUCING APPARATUS AND HOLOGRAM REPRODUCING METHOD - Almost all regions of a liquid crystal element | 2009-06-04 |
| 20090141613 | HOLOGRAM APPARATUS - A light-shielding member having a pinhole filter is disposed at a boundary between reference light emitted from a light source and reproduction light output from a holographic recording medium. The reproduction light passes through a pinhole formed on the pinhole filter and enters a light-shielded space in which a photodetector member is disposed. The pinhole is disposed at a position of a beam waist BW at which the beam diameter is at a minimum. Therefore, the photodetector member is prevented from detecting light other than the reproduction light. The pinhole filter includes the transparent substrate as a base material, and therefore blocks dust from entering the light-shielded space. | 2009-06-04 |
| 20090141614 | OPTICAL PICKUP - An adhesive positions a beam shaping element in such a manner as to satisfy the following relational expressions (1) and (2): | 2009-06-04 |
| 20090141615 | OPTICAL RECORDING MEDIUM - According to one embodiment, an optical recording medium according to one embodiment of the invention is an optical recording medium to be processed using a light beam having a wavelength λ and a lens having a numerical aperture NA, which includes one of a track and a pit array, and in which a width TP of the track or pit satisfies a condition 0.480≦TP×NA/λ<1.026. | 2009-06-04 |
| 20090141616 | OPTICAL RECORDING MEDIUM AND RECORDING/READING METHOD THEREFOR - In a single-sided incident type optical recording medium having a plurality of dye containing recording layers, sufficient reflectance and excellent recording characteristics necessary to record or read information in or from a dye containing recording layer positioning farther from a side from which a light beam comes in can be obtained. The optical recording medium has a first substrate ( | 2009-06-04 |
| 20090141617 | Optical disc - To surely write data readably into a region of a designated address even if an unwritten region exists ahead of the designated address. A step of registering beforehand an address map attached to an unwritten region of the data writing area; a step of judging whether an address located ahead of the designated address for writing data is an unwritten region or a written region; and a step of writing data into the data writing area of the optical disc based on the judgment result, are included. In the writing step, if the address located ahead of the designated address is judged as a written region, data writing is performed starting from a region of the designated address, and if the address located ahead of the designated address is judged as an unwritten region, the data writing is performed to unwritten regions including the aforementioned unwritten region. | 2009-06-04 |
| 20090141618 | OPTICAL INFORMATION RECORDING MEDIUM - An optical information recording medium includes a recording layer provided on a cured resin on which a recording mark is formed by the temperature rise around a focal point caused by absorbing a predetermined recording beam converged for recording of information according to the wavelength of the recording beam and from which the information is reproduced, when a predetermined reading beam is emitted for reproducing of the information, based on the optically-modulated reading beam, wherein the recording layer includes an activated recording area that has been activated as a result of being exposed to an activating beam whose light intensity is at a predetermined light intensity level. | 2009-06-04 |
| 20090141619 | SYSTEM AND METHOD FOR ENABLING EFFICIENT SMALL WRITES TO WORM STORAGE - According to the present invention, there is provided a method of providing a WORM storage system, the method including a sector-append capability. The method includes receiving data to be written to a WORM storage system. In addition, the method includes identifying a target sector at which the data is to be written. Also, the method includes determining if the received data can be added to the target sector. Moreover, the method includes adding the received data to the target sector if it is determined that the received data can be added to the target sector. | 2009-06-04 |
| 20090141620 | APPARATUS AND METHOD FOR TIME-VARYING CYCLIC DELAY DIVERSITY IN A WIRELESS COMMUNICATION SYSTEM - An apparatus and method for Time-Varying Cyclic Delay Diversity (TV-CDD) in a wireless communication system are provided. The method includes, if there is a signal of an antenna path to be transmitted, determining if a current time corresponds to a preamble zone within a frame and, if the current time corresponds to the preamble zone within the frame, shifting a partial antenna path signal forward compared to a reference timing and shifting a remaining partial antenna path signal equally or backward compared to the reference timing. | 2009-06-04 |
| 20090141621 | BANDWIDTH RESERVATION REUSE IN DYNAMICALLY ALLOCATED RING PROTECTION AND RESTORATION TECHNIQUE - The disclosed network includes two rings, wherein a first ring transmits data in a clockwise direction, and the other ring transmits data in a counterclockwise direction. The traffic is removed from the ring by the destination node. During normal operations (i.e., all spans operational), data between nodes can flow on either ring. Thus, both rings are fully utilized during normal operations. The nodes periodically test the bit error rate of the links (or the error rate is constantly calculated) to detect a fault in one of the links. The detection of such a fault sends a broadcast signal to all nodes to reconfigure a routing table within the node so as to identify the optimum routing of source traffic to the destination node after the fault. | 2009-06-04 |
| 20090141622 | PINNING AND PROTECTION ON LINK AGGREGATION GROUPS - A device may assign a virtual local area network (VLAN) to one or more specific links in a link aggregation group (LAG), and send traffic from the VLAN on the assigned one or more specific LAG links. Traffic from the same VLAN may be sent on one link in the LAG by selecting a hashing criterion or by pinning the VLAN to a primary link in the LAG and another link for redundancy purposes. | 2009-06-04 |
| 20090141623 | Central Antenna Management System With Centralized Database - An antenna management system is disclosed for managing cellular communications network antennas remotely in response to traffic demands and environmental factors, including a packet switching network, antennas, base transceiver stations, tilt controllers, air interface modules, a management database, and a control network. In the exemplary embodiment, the system utilizes feedback from a variety of sensors including downtilt sensors, azimuth sensors, weather sensors, gas sensors, and a camera. The system enables data from the sensors to be viewed remotely and analyzed to determine if corrective adjustment of the antenna(s) is needed. After analyzing the data, the system or a user of the system such as a network operator can remotely adjust the antenna(s) to make necessary adjustment(s). The system further enables data received from the sensors to be made available over a packet switching network, such as the Internet or a local or wide area network, to any device, such as a computer or mobile station, connected to the packet switching network. | 2009-06-04 |
| 20090141624 | Method and System for A Novel Flow Admission Control Framework - This invention presents a new FAC framework that keeps the stateless property of the Internet, allows statistical multiplexing gains, and is capable of handling admission control of both TCP and UDP flows. | 2009-06-04 |
| 20090141625 | SYSTEM AND METHOD FOR REDUCING LATENCY IN CALL SETUP AND TEARDOWN - Systems and methods for reducing latency in call setup and teardown are provided. A network device with integrated functionalities and a cache is provided that stores policy information to reduce the amount of signaling that is necessary to setup and teardown sessions. By handling various aspects of the setup and teardown within a network device, latency is reduced and the amount of bandwidth needed for setup signaling is also reduced. | 2009-06-04 |
| 20090141626 | EMPIRICAL SCHEDULING OF NETWORK PACKETS USING A PLURALITY OF TEST PACKETS - A method of transmitting packets over a network includes steps of transmitting a first plurality of test packets during a first plurality of time locations that are coarsely spaced apart in time; determining which of the first plurality of time locations corresponds to favorable network traffic conditions; transmitting a second plurality of test packets over the network during a second plurality of time locations that are finely spaced apart in time, wherein the second plurality of time locations are selected on the basis of favorable network traffic conditions; determining which of the second plurality of time locations corresponds to favorable network traffic conditions; and transmitting data packets over the network using one or more favorable time locations determined by the finely spaced test packets. The method can be used to “zero in” on congested network periods by detecting differences in packet latencies among test packets. | 2009-06-04 |
| 20090141627 | Method and Apparatus for Managing Flow Control in a Data Processing System - A method in a data processing system for managing transmission of pause frames. In response to detecting an overflow condition during a receipt of data from a network, enabling flow control in response to detecting the overflow condition. The flow control is enabled as long as the overflow condition is present. A determination is made as to whether the operating system unavailable after a period of time passes. If the operating system believed to have crashed and flow control is enabled, the flow control is disabled. | 2009-06-04 |
| 20090141628 | Quality of Service for iSCSI - A system adapted to provide quality of service (QoS) for an iSCSI environment including one or more initiators and one or more targets. Each initiator includes an iSCSI initiator and a TCP layer. The iSCSI initiator includes a QoS shaper for shaping one or more iSCSI PDUs according to QoS policies. The TCP layer includes a QoS marker for marking the PDUs according to the QoS policies. The target includes a first and second QoS component. The first QoS component is in an iSCSI target and handles I/O resources. The first QoS component shapes read commands and write commands according to QoS policies. The second QoS component is in a TCP layer and handles network resources. iSCSI PDUs are shaped and marked according to QoS policies of iSCSI. The QoS policies used by the initiators and targets include policies for network resources and policies for I/O resources. | 2009-06-04 |
| 20090141629 | CIRCUIT EMULATION SERVICE METHOD AND TELECOMMUNICATION SYSTEM FOR IMPLEMENTING THE METHOD - It is disclosed a method for implementing a circuit emulation service through a packet-switched network, wherein the packet-switched network cooperates with a first interface and a second interface suitable to connect a first user and a second user, respectively, to the packet-switched network. The method comprises: a) at the first interface, receiving a TDM flow from the first user; b) converting the TDM flow in packets formatted according to the circuit emulation service, wherein at least one of the packets comprises a header in turn comprising a redundant field; c) compressing the header into a compressed header by processing the redundant field, and forming a compressed packet comprising the compressed header; d) transmitting the compressed packet through the packet-switched network to the second interface. | 2009-06-04 |
| 20090141630 | METHOD FOR MONITORING DATA CONGESTION IN A COMPUTER NETWORK WITH MULTIPLE NODES AND METHOD FOR CONTROLLING DATA TRANSMISSION IN THE COMPUTER NETWORK - A method for monitoring data congestion in a computer network with multiple nodes and for controlling data transmission in the computer network. The method includes generating a congestion notification by the node which detects a data congestion and transmitting the congestion notification to the data source which is involved in the data congestion. The method also includes generating in the data source a congestion value which indicates how severe the data congestion is, and storing in a worst case array of the data source those congestion values which indicate the most severe data congestions. | 2009-06-04 |
| 20090141631 | VOICE ADAPTIVE GATEWAY PACING METHODS AND SYSTEMS FOR WIRELESS MULTI-HOP NETWORKS - In accordance with aspects of the present principles, the quality of voice traffic and bandwidth utilization for data communication over a wireless multi-hop network may be improved. In an implementation of the present principles, a data packet transmission rate over a wireless multi-hop network may be controlled at an interface between the multi-hop network and a wired network based on a voice packet quality measure calculated from network parameters. Voice and data traffic quality and efficiency may be further improved by reordering a packet transmission queue at the interface to avoid timeout and/or varying a packet queue length at the interface using an acknowledgement window transmitted to a data packet sender. | 2009-06-04 |
| 20090141632 | SYSTEMS AND METHODS FOR NETWORK ROUTING IN A MULTIPLE BACKBONE NETWORK ARCHITECTURE - Embodiments of a network architecture include a backbone node having a plurality of independent routers or switches connected in a matrix, wherein the matrix includes a plurality of stages of routers or switches, to form a node having a node switching capacity that is greater than the node switching capacity of the individual routers or switches. A method includes assigning one of a plurality of backbone networks to a destination network address, associating a next hop loopback address with the destination network address, and advertising the destination network address in combination with the next hop loopback address through the selected backbone network address. | 2009-06-04 |
| 20090141633 | METHOD FOR ADAPTING LINK WEIGHTS IN RELATION TO OPTIMIZED TRAFFIC DISTRIBUTION - The invention relates to a method which is used to adapt link weights or, link costs, for optimized traffic distribution within a communication network. According to said method, a loop is circulated until an interruption criterion is met. The individual iterations comprise the following steps: Routing of traffic within the communication network is calculated based on link cost paths. Parameter values used for opt imization e.g. the link-related volume of traffic, are determined for the individual links by means of the calculated path, and an expected volume of traffic and the link are determined for the parameter having the highest value. When the highest determined value is equal to or less than the valve of the previous step (interruption criterion), the link costs are increased for the determined link. Said method enables link costs and paths for optimized traffic distribution to be determined in an economical manner. | 2009-06-04 |
| 20090141634 | Adaptive Network Traffic Classification Using Historical Context - Adaptive network traffic classification using historical context. Network traffic may be monitored and classified by considering several attributes using packet filters, regular expressions, context-free grammars, rule sets, and/or protocol dissectors, among other means and by applying a variety of techniques such as signature matching and statistical analysis. Unlike static systems, the classification decisions may be reexamined from time to time or after subsequent processing determines that the traffic does not conform to the protocol specification corresponding to the classification decision. Historical context may be used to adjust the classification strategy for similar or related traffic. | 2009-06-04 |
| 20090141635 | Using status inquiry and status response messages to exchange management information - A status inquiry message is received at a first machine via a network, wherein the status inquiry message is directed to one of the first machine or a service operating on the first machine. A status response message is generated at the first machine, the status response message indicating that at least one of the first machine or the service is operational. Management information is attached to the status response message, the management information including operating statistics of at least one of the first machine, the service, or an additional service that operates on the first machine. The status response message is transmitted to the second machine. | 2009-06-04 |
| 20090141636 | Enhancing routing optimality in IP networks requiring path establishment - A system and related method for enhancing routing optimality in IP networks requiring path establishment, including one or more of the following: first and second network clouds including a plurality of communication elements, ones of the plurality of communication elements in the network clouds being first and second communication element, the network clouds having boundaries beyond which each of the plurality of communication elements are unable to see a connectivity between any other communication elements outside the respective network clouds; a path computational element that automatically computes an explicit optimal network route between the first and second communication elements and having an overview of all communication elements in the network clouds, the path computational element providing the computed explicit optimal network route to a routing engine; commissioning a path through the first network cloud and the second network cloud from the first communication element to the second communication element using the provided explicit optimal network route; establishing a path using the computed explicit optimal network route; switching to an alternative route that is inferior to the computed explicit optimal network route upon a failure of the computed explicit optimal network route to function properly; attempting to renegotiate the commissioned path to the computed explicit optimal network route; determining that the explicit optimal network route is again available; and switching the commissioned path back to the computed explicit optimal network route when that route is determined to be again available. | 2009-06-04 |
| 20090141637 | VALLEY-FREE SHORTEST PATH METHOD - A method of calculating a valley-free shortest path between two autonomous systems having a first graph representing an autonomous system topology and comprising a plurality of nodes and a plurality of links interconnecting the nodes, each link linking a first and a second node of the plurality of nodes. The method comprises generating a second graph using the first graph by: Mapping the nodes of the first graph into the second graph, by representing each node of the first graph by a respective uphill node and a downhill node; mapping each link of the first, second and third relationship type with a plurality of directed links between the uphill and downhill nodes according to the type of relationship. The method further comprises calculating the shortest-path route between two autonomous systems on the second graph, using the shortest-path routing algorithm. | 2009-06-04 |
| 20090141638 | Method for partitioning network flows based on their time information - To organize flows records into buckets and optimize their indexed access to/from storage medium, a bucket identifier is associated with each flow record. The bucket identifier is derived from some other characteristic of the network flow, such as a timestamp or source identification associated with the network flow. In this way, contention is decreased as analysis can occur on the aggregated flow records, while new flow records are stored. | 2009-06-04 |
| 20090141639 | MANAGING OAM PACKETS IN A COMMUNICATIONS NETWORK - Management of an Operation and Maintenance (OAM) packet in a communications network is provided. According to one embodiment, a network device in a Multiprotocol Label Switching (MPLS) network for providing a uniform distribution of OAM is provided. The network device comprises of a memory unit and a hardware unit. The memory unit having an improved data table with an active record. The hardware unit coupled to the memory unit. The hardware unit operable to calculate an interval based on a number of active records in the improved data table, scan the active record generally within the interval, and form an OAM packet based on the active record. | 2009-06-04 |
| 20090141640 | PORT FAILURE COMMUNICATION IN CROSS-CONNECT APPLICATIONS - Systems and methods for communicating faults across a communications network cross-connect are provided. In one embodiment, a method for communicating an alarm condition in a cross-connected network is provided. The method comprises providing a cross-connect having a first side and a second side, wherein the first side includes a plurality of interface ports and the second side includes an interface port; detecting a fault on a first interface port of the first side; and when a fault is detected on the first interface port of the first side, transmitting a signal on the interface port of the second side, the signal having a pre-defined alarm data pattern inserted into one or more time slots associated with the first interface port of the first side. | 2009-06-04 |
| 20090141641 | COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION FAULT DETECTION METHOD - The communication device has a frame transfer unit that executes frame transfer via the first communication link and the second communication link, a link confirmation frame sending unit, and a return link confirmation frame monitoring unit. The link confirmation frame sending unit causes the frame transfer processing unit to send a link confirmation frame for use in confirming a normal link status via the first communication link from the communication device to the counterpart communication device. The return link confirmation frame monitoring unit performs fault detection of the first and second communication links by monitoring a return link confirmation frame which is to be returned from the counterpart communication device to the communication device via the second communication link when the counterpart communication device receives the link confirmation frame via the first communication link. | 2009-06-04 |
| 20090141642 | SYSTEM, APPARATUS AND METHOD FOR DEVICES TRACING - A system for devices tracing includes multiple devices that are connected in a network, a configuration management module, and a tracing management module. The configuration management module is adapted to store and maintain tracing configuration information. The tracing management module is adapted to obtain the tracing configuration information, determine different devices involved in the tracing task, send tracing control commands to each of the different devices, receive the tracing messages from the each of the different devices, and perform cross-NE tracing. A method for devices tracing includes: receiving tracing task information, and determining different devices involved in a tracing task according to the tracing task information; sending a command for creating a tracing task to each of the different devices; receiving tracing messages reported by the each of the different devices, and obtaining tracing results. Embodiments of the present invention may support tracing multiple devices concurrently and support cross-NE tracing, thus achieving unified tracing. | 2009-06-04 |
| 20090141643 | IDENTIFICATION OF THE CONFIGURATION TOPOLOGY, EXISTING SWITCHES, AND MISWIRES IN A SWITCHED NETWORK - An exemplary method of identifying configuration topology, existing switches, and miswires in a given network is provided. Given a number of switches, which may be less than the maximum possible for the actual configuration and some ports of which may be miswired, generate a hypothesis for the supported topology of which the existing configuration is a subset. A best fit of the existing switches to the supported number switches of the maximal topology is performed, using formulae for the connections of the maximal supported topology. If supported switches are found missing in the assumed topology, the switch count is increased accordingly, and started over with a new hypothesis. When satisfied with identification, all switch ports are revisited and the connection formulae is used to identify all miswires. | 2009-06-04 |
| 20090141644 | Twisted pair cable plant cross talk coupling simulator - Example embodiments are directed to a system for simulating far end crosstalk (FEXT). The system includes digital subscriber lines coupled to a FEET matrix which simulates the FEXT environment. The FEXT matrix simulates the FEXT environment using filters disposed in disturber lines. Signals output from the filters are added to a path in the victim line to create an output signal. | 2009-06-04 |
| 20090141645 | STEALTH NETWORK - Described herein are systems and methods in which taps, which mirror or provide a copy of network traffic, are connected to monitoring equipment through shadowing units, which pass data to the monitoring equipment but block outbound data transmissions from the monitoring equipment. Aggregation/dissemination units are provided to aggregate and/or disseminate tapped data network signals to the monitoring equipment. Also disclosed are optional bypass controllers that can either route the tapped data network signals directly to the monitoring equipment or route such signals through the aggregation/dissemination units. | 2009-06-04 |
| 20090141646 | APPARATUS AND METHOD FOR DETERMINING TIMING FOR TRANSMISSIONS - A communication network element ( | 2009-06-04 |
| 20090141647 | Acknowledgment of Media Waveforms between Telecommunications Endpoints - An apparatus and method are disclosed that enable a first telecommunications endpoint to ensure that a second endpoint is receiving the first endpoint's packet stream transmissions with a satisfactory waveform quality. When the second endpoint receives the packet stream, it decodes the media waveform from the stream, encodes the waveform back into a second packet stream, and transmits some or all of the packets in the second stream back to the first endpoint. The first endpoint then decodes the received waveform in the second stream and compares it to the original waveform transmitted to the second endpoint. Based on the comparison, the first endpoint adjusts the value of a quality indication, and provides the quality indication to its user and to the second endpoint. Advantageously, the user at the second endpoint is able to determine whether the received waveform is, in fact, close enough to the waveform that the first endpoint's user intended to be received and understood. | 2009-06-04 |
| 20090141648 | MULTICARRIER COMMUNICATION SYSTEM, MULTICARRIER COMMUNICATION APPARATUS AND CQI REPORTING METHOD - Provided is a multicarrier communication apparatus by which information quantity of CQI reporting can be reduced. In the apparatus, each CQI is recorded in a CQI table section ( | 2009-06-04 |
| 20090141649 | Communication System and Method - In a communications system a transmitter is arranged to transmit asynchronous transfer mode (ATM) cells in which synchronous transfer mode (STM) channels are assembled. In order to minimise the bandwidth required at lease some of the ATM cells include one or more switch command(s) ( | 2009-06-04 |
| 20090141650 | Method for Congestion Detection in Packet Transmission Networks - A method for measuring degree of packet congestion on a channel of a packet communication network. The method includes: during a training mode, generating an mathematical relationship between the degree of packet congestion on the channel and a plurality of measurable features of the network over a plurality of network conditions; and, during a subsequent normal operating mode, periodically measuring the plurality of measurable features and applying the generated mathematical relationship to such periodically measured plurality of measurable features to determine actual degree of congestion on the channel; and comparing the actual degree of congestion on the channel with a predetermined channel congestion threshold level. The degree of packet congestion on the channel is saturation level. The measurable features include: time delay between transmission starts and terminations of the previously transmitted packet; the fraction of time the channel is busy; and, average number of packet transmission retries. | 2009-06-04 |
| 20090141651 | DETERMINING AN OPTIMAL ROUTE ADVERTISEMENT IN A REACTIVE ROUTING ENVIRONMENT - In an example embodiment, a method is provided. In this method, a network address query is received. A first network address of a known apparatus is retrieved from a routing table, in response to the network address query. A second network address may be determined based upon the network address query, the second network address having a smaller bit length than the first network address. An aggregate value may be advertised that represents a range of reachable network addresses, the range of reachable network addresses including the second network address. | 2009-06-04 |
| 20090141652 | Methods for Spreading or Preventing Spreading of Information In a Network - A method for improved spreading of information in a network is described, together with corresponding methods with the opposite aim, namely to hinder the spreading of harmful information in a network. The harmful information may be (for example) a data virus. The first method includes as its characterizing feature to connect at least one node of high Eigenvector Centrality Index in a first region with at least one node of high Eigenvector Centrality Index in a second region. These connections may be made using direct links, or with the help of a new node lying between the nodes to be connected. One method for preventing spreading of information or physical traffic in a network may include as its characterizing feature to inoculate at least one centre node by blocking any transmission of unwanted information on all links in/out of said centre node. Another method for preventing spreading of information or physical traffic may be to inoculate all nodes in a ring of nodes surrounding a centre node by blocking any transmission of unwanted information on all links in/out of said nodes. Still another method may be to inoculate at least one bridge link connecting two regions by blocking any transmission of unwanted information on said link. | 2009-06-04 |
| 20090141653 | Enhancement of node connectivity in a wireless communications network with changing topology via adaptive role changing - A process and system for enhancing connectivity among nodes of a wireless communications network by adapting to changes in the network topology. Nodes of the network are configured to operate according to either (i) an ad hoc protocol wherein a given node assumes a role of a mesh node capable of connecting with other like-configured nodes, or (ii) a point-to-multipoint protocol wherein the given node assumes a role of a either base station, or a subscriber station being served by another node which is assuming the role of a base station. A determination is made as to whether each node should operate according to the ad hoc protocol or the point-to-multipoint protocol, in order to maintain an optimum state of connectivity among all nodes of the network. The determined operating protocol is then implemented for each node. | 2009-06-04 |
| 20090141654 | Multi-Processor architecture for a device - Aspects of the invention provide apparatuses and methods for composing a device with different types of multi-processor subsystems based on expected latency times and processing bandwidths. An apparatus may include multi-processor subsystems with different performance characteristics that interact with each other through bridge modules and a central packet network. Different types of multi-processor subsystems include a multi-point bus network, a circuit-switched network, a packet-switch network, and a shared block device. The apparatus includes a plurality of components, where each component has at least one multi-processor subsystem. The apparatus may be partitioned into different detachable parts, which can operate in an independent manner. The detachable parts may be joined so that the detachable parts can interact. A service in one multi-processor subsystem may interact with another service in another multi-processor subsystem by sending messages between the services. | 2009-06-04 |
| 20090141655 | SYSTEM AND METHOD FOR MONITORING HEAD END CABLE MODEM IN CABLE NETWORK - Disclosed are a system and method for monitoring a headend cable modem on a digital cable network, which may monitor a headend cable modem using a configuration management message capable of controlling the headend cable modem. The system includes a message header unit for monitoring the headend cable modem by exchanging a configuration management message including configuration information for controlling channel boding of the headend cable modem and state information of the configuration information with the headend cable modem; and a message varying unit including the configuration information corresponding to the message type information and the state information. | 2009-06-04 |
| 20090141656 | BANDWIDTH RESERVATION REUSE IN DYNAMICALLY ALLOCATED RING PROTECTION AND RESTORATION TECHNIQUE - The disclosed network includes two rings, wherein a first ring transmits data in a clockwise direction, and the other ring transmits data in a counterclockwise direction. The traffic is removed from the ring by the destination node. During normal operations (i.e., all spans operational), data between nodes can flow on either ring. Thus, both rings are fully utilized during normal operations. The nodes periodically test the bit error rate of the links (or the error rate is constantly calculated) to detect a fault in one of the links. The detection of such a fault sends a broadcast signal to all nodes to reconfigure a routing table within the node so as to identify the optimum routing of source traffic to the destination node after the fault. | 2009-06-04 |
| 20090141657 | FIBRE CHANNEL SWITCH THAT ENABLES END DEVICES IN DIFFERENT FABRICS TO COMMUNICATE WITH ONE ANOTHER WHILE RETAINING THEIR UNIQUE FIBRE CHANNEL DOMAIN_IDs - A Fibre Channel Switch which enables end devices in different Fabrics to communicate with one another while retaining their unique Fibre Channel Domain_IDs. The Switch is coupled to a first fabric having a first set of end devices and a second fabric having a second set of end devices. The Switch is configured to enable communication by the first set of end devices associated with the first fabric with the second set of end devices associated with the second set of end devices using the unique Domain_IDs of each of the first set and the second set of end devices. In one embodiment of the invention, the first and second fabrics are first and second Virtual Storage Array Networks (VSANs) respectively. In an alternative embodiment, the first fabric and the second fabric are separate physical fabrics. | 2009-06-04 |
| 20090141658 | Network processing - A method and means for processing information across a network is provided, the network comprising a plurality of nodes. In one embodiment, the invention includes algorithm means for addressing the problem of efficient information distribution between nodes in the network. This invention addresses the problem by generating probabilistic models at the nodes in the network and by selectively distributing information between the nodes based on these models and by using a predetermined metric function in such a way as to reduce information differences between the nodes. | 2009-06-04 |
| 20090141659 | Method and Apparatus for Concurrent Topology Discovery - A method, system and computer-usable medium are disclosed for discovering the topology of a network by using multiple discovery agents operating in parallel. A NodeList containing information about known nodes in a target network is received. The number (‘K’) of discovery agents to be used is determined, where 1<=K<=TotalNumberOfNodes). The nodes are partitioned into node groups, each of which has a group identifier respectively assigning it to a discovery agent ‘M’ where 1<=M<=K. A GraphList is created to hold information about known and discovered nodes. Each entry in the NodeList list is processed by its assigned discovery agent ‘M’, which sends probe messages to the target node to determine the node identifiers of discovered neighboring nodes. If the discovered nodes are not listed in the NodeList, then they are assigned to a node group for processing. If the connections between the target and the discovered neighboring node nodes are not listed in the GraphList, then they are added. Once all node and connection information is collected by the ‘K’ node discovery agents ‘M’ and listed in the GraphList, a network topology is generated. | 2009-06-04 |
| 20090141660 | Policy enforcement for multi-radio transmission and reception - A process for controlling radio transmission and/or reception to enforce certain constraints with either single or multiple radio communication is disclosed. In one embodiment, the enforcement control may be by the corporate administrator (such as an Information Technology (IT) department) that is responsible for the company's wireless devices. In other embodiments, the enforcement control may be by a regulatory group having governmental control over wireless communication. In yet another embodiment, the enforcement control might be by a provider group, such as a provider of a local private or semi-private wireless network desiring certain controls over the users of the network. | 2009-06-04 |
| 20090141661 | RESIDUAL TRAFFIC STATE FOR WIRELESS NETWORKS - Various example embodiments are disclosed herein. In an example embodiment, an apparatus may include a controller, a memory coupled to the controller and a wireless transceiver coupled to the controller. The apparatus may be configured to detect a residual traffic pattern associated with a mobile station in a wireless network, and transition the mobile station from an active state to a residual traffic state based on the detecting. The transitioning may include sending a change uplink (UL) data service message to the mobile station to change the UL data service for the mobile station from a first UL service type to a second UL service type. | 2009-06-04 |
| 20090141662 | METHOD AND APPARATUS FOR OPERATING A NODE WITHIN A MOBILE AD HOC COGNITIVE RADIO NETWORK - A method and apparatus for operation of a node within a mobile ad hoc cognitive radio network is provided. The method includes sensing at least one assigned communications channel. Sensing at least one assigned communications channel includes measuring a value of at least one parameter corresponding to the communications channel. The method further includes comparing the measured value of the at least one parameter with a set of stored values of the at least one parameter to determine a change in the measured values. Finally a sleep mode of the node is activated for a time period, wherein the time period is determined using the change in the measured values. | 2009-06-04 |
| 20090141663 | Transfer then sleep - A second communication device is detected in proximity to a first communication device engaged in a call. A substantially uninterrupted transfer of the call is provided from the first communication device to the second communication device. At least a part of the first communication device is placed into a sleep mode in response to transfer of the call to the second communication device. | 2009-06-04 |
| 20090141664 | Device and method for synchronizing radio access logic entities of a wireless communication network - A device is dedicated to synchronizing radio access logic entities each having a local clock and forming part of a wireless communication network capable of broadcasting and/or multicasting content-defining data packets between a broadcast and/or multicast source and mobile communication terminals, via logic entities. This device includes a calculation unit tasked with i) estimating, for each logic entity of a synchronization area of the network, the time, with respect to a reference clock when said entity received a selected packet from the broadcast and/or multicast source, then ii) determining, for each logic entity, a value that represents the time difference between its reception time and the latest reception time among those of the logic entities, and iii) ordering each logic entity to wait for a period of time equal to the value which was determined for it before retransmitting each packet received from the broadcast and/or multicast source to the terminals located within its synchronization area. | 2009-06-04 |
| 20090141665 | BROADCAST/MULTICAST SERVICE METHOD BASED ON USER LOCATION INFORMATION - A method and device for providing a broadcast/multicast service are discussed. According to an embodiment, the invention provides a method comprising: receiving, by a client module, a service guide including contents information with respect to one or more contents from a broadcast/multicast server; transmitting, by the client module, a broadcast/multicast request message with respect to contents selected by a user of a specific terminal among the contents information included in the received service guide to the broadcast/multicast server; transmitting, by the client module, a location tracking request message with respect to the specific terminal to a network entity; receiving a response message with respect to the location tracking request message, the response message including a location tracking result from the network entity; transmitting, by the client module, location information of the specific terminal to the broadcast/multicast server. | 2009-06-04 |
| 20090141666 | WIRELESS SENSOR NETWORK USING DYNAMIC MESSAGE ROUTING ALGORITHM AND METHOD OF CONTROLLING THE WIRELESS SENSOR NETWORK - Provided is a wireless sensor network using a dynamic message routing algorithm and a method of controlling the wireless sensor network. Therefore, a network system can be provided, in which each sensor node calculates a relay probability, periodically updates the relay probability, and dynamically determines a node for relaying a message on the basis of the relay probability, so that throughput per node is improved and a media access control (MAC) layer is not needed. | 2009-06-04 |
| 20090141667 | METHOD FOR ROUTING MESSAGE IN WIRELESS NETWORK BASED ON RELAY PROBABILITY - Provided is a method for routing a message in a wireless network based on relay probability. The method allows dynamic delivery of a message by calculating the relay probability of each node for message transmission, measuring the strength of a beacon signal received from a destination node, and determining a node that will relay a message based on the relay probability and the strength of beacon signal. | 2009-06-04 |
| 20090141668 | MEDIA ACCESS CONTROL PROTOCOL FOR MULTI-HOP NETWORK SYSTEMS AND METHOD THEREFORE - A method and system for wireless communication in which a plurality of media access control (“MAC”) packet data units (“PDUs”) corresponding to a plurality of wireless communication connections are received. The plurality of MAC PDUs is grouped into a relay packet and the relay packet is transmitted. Such grouping and transmission of the relay packet is performed by one or more relay nodes. The traffic control for the transmission can also be based on centralized or decentralized routing control and/or centralized or decentralized QoS control. | 2009-06-04 |
| 20090141669 | TRAVEL CHARACTERISTICS-BASED AD-HOC COMMUNICATION NETWORK ALGORITHM SELECTION - A method of operating an ad-hoc communication system is provided. The method comprises determining a pattern type relating to mobile node travel characteristics over a defined traveling region. Based on the pattern type, selecting a neighbor discovery and route determination algorithm. Implementing the neighbor discovery and route determination algorithm on received location and identification mobile node information to determine communication routes to at least one of mobile nodes and stationary communication stations in the ad-hoc communication system. | 2009-06-04 |
| 20090141670 | MEDIUM ACCESS CONTROL HEADER FORMAT - Systems and methodologies are described that facilitate employing a variety of medium access control (MAC) header formats in wireless communications. The MAC header formats can be specialized for a particular type of data included in a protocol data unit (PDU). In addition, the MAC headers can have a variable length to accommodate payloads of varying sizes without incurring unnecessary overhead. Further, mechanisms are provided to enable direct access and delivery of control PDUs to associated protocol layers to ensure better quality of service treatment. | 2009-06-04 |
| 20090141671 | PACKET COMMUNICATION NETWORK AND SUBSCRIBER-ASSOCIATED-INFORMATION DELIVERY CONTROLLER - In a packet communication network comprising an MNO network, and an MVNO network including an application server for providing an information service to wireless terminals via the MNO network, the MNO network includes a subscriber-associated-information delivery controller for delivering subscriber associated information of each wireless terminal, which is connected to a radio access network, to the MVNO network, and the MVNO network includes a subscriber-associated-information processor for receiving the subscriber associated information delivered from the subscriber-associated-information delivery controller. | 2009-06-04 |
| 20090141672 | METHOD FOR TRANSMITTING DATA USING DOWNLINK DUMMY CONTROL BLOCK AND SYSTEM USING THE SAME - A method for transmitting data using a downlink dummy control block and a system using the same. The method includes receiving, by a Base Station, data to be broadcast to Mobile Stations (MSs) from a mobile communication service provider server, and inserting, by the BS, the received data into a padding bit field within a downlink dummy control block and broadcasting the downlink dummy control block to the MSs. | 2009-06-04 |
| 20090141673 | Apparatus and method for rate control in a broadband wireless communication system - An apparatus and method for rate control in a wireless communication system are provided. The apparatus includes a preprocessor, a rate controller, a determiner, and a transmitter. The preprocessor determines feedback information on a physical layer packet using a feedback message of MAC ARQ. The rate controller updates a CQI reported from a receiver using the determined feedback information. The determiner determines an MCS using the updated CQI. The transmitter transmits data using the determined MCS. | 2009-06-04 |
| 20090141674 | Communication Path Switching System and Method - A communication path switching system comprises a wireless base station ( | 2009-06-04 |
| 20090141675 | Retransmission Process Control Method - This invention relates to signalling of control information related to retransmissions in a wireless communication network. According to one aspect of the invention, a method for controlling transmission over a wireless communication link is provided. The method comprises the step of indicating on a transmission resource control channel whether a HARQ retransmission process in a mobile station should be activated or deactivated. | 2009-06-04 |
| 20090141676 | METHOD AND APPARATUS FOR PROVIDING AN ERROR CONTROL SCHEME IN A MULTI-HOP RELAY NETWORK - An approach provides an error-control scheme within a multi-hop relay network. A determination is made of a first node that failed to transmit a packet generated according to an error-control scheme, wherein the first node is among a plurality of nodes configured to operate in a multi-hop network. Resources of the multi-hop network are reserved only for retransmission of the packet from the first node towards a destination node that is included in the plurality of nodes. | 2009-06-04 |
| 20090141677 | TECHNIQUES FOR HANDLING SERVICE FLOWS IN WIRELESS COMMUNICATION SYSTEMS - A technique for handling service flows in a wireless communication system includes receiving a first packet over a first service flow. In this case, the first service flow has a first quality of service. Next, a packet classifier associated with the first packet is determined. A second service flow with a selected quality of service is then created when the packet classifier for the first packet corresponds to a selected classifier. | 2009-06-04 |
| 20090141678 | DEVICE, SYSTEM AND METHOD FOR IMPLEMENTING MULTI-CARRIER HIGH SPEED DOWNLINK PACKET ACCESS SERVICE - The invention discloses a device and a system for implementing a multi-carrier high speed downlink packet access service, thereby accomplishing multi-carrier high speed downlink packet access service transmission by means of multi-carrier high speed downlink packet processing devices provided in a base station and a user equipment in the system and managing high speed downlink packets corresponding to the carriers separately by means of hybrid automatic repeat request modules corresponding to the carriers. The invention further discloses a method for implementing a multi-carrier high speed downlink packet access service, thereby allocating a separate transmitting hybrid automatic repeat request process and corresponding receiving hybrid automatic repeat request process for each carrier to accomplish transmission and receiving of high speed downlink packet access data. With the invention, the downlink data transmission rate in a radio mobile communication system supporting multiple carriers can be improved. | 2009-06-04 |
| 20090141679 | METHOD FOR FORMING FRAME IN WIDEBAND WIRELESS COMMUNICATION SYSTEM USING MULTI-ANTENNA - A method for forming a frame in a wireless communication system is provided. In the method, a plurality of preamble symbols are disposed. Then, a signal symbol is disposed at a predetermined position among the plurality of preamble symbols. At least one of data symbols is disposed after the plurality of preamble symbols. | 2009-06-04 |
| 20090141680 | FLEXIBLE ASSIGNMENT OF SCHEDULED AND REQUEST TRANSMISSIONS - Methods and apparatus are presented for conducting communications using a shared communication medium. A first request is sent over the shared communication medium. The shared communication medium is organized to include a signal space comprising request signal space and transmission signal space. The request signal space and the transmission signal space have different locations within the signal space. The request signal space includes request segments and the transmission signal space includes scheduled transmission segments. The first request occupies a portion of a transmission segment. An assignment is received associating the first request with a scheduled transmission segment. The assignment takes into account the location of the portion of the transmission segment within the transmission signal space. A data transmission is sent in the scheduled transmission segment associated with the first request. | 2009-06-04 |
| 20090141681 | APPARATUS AND METHOD FOR ASSIGNING SUBCHANNELS IN AN OFDMA COMMUNICATION SYSTEM - An apparatus and method for assigning subchannels of a transmitter in a communication system. The method includes dividing an entire frequency band into m subcarrier groups; mapping each of the m subcarrier groups to a subcarrier group index, wherein a subchannel includes n subcarriers selected from each of the m subcarrier groups corresponding to a subcarrier group index sequence; determining that a first data is needed to transmit in a first timing point; and assigning a first subchannel in the first timing point using a first subcarrier group index sequence. The first subcarrier group index sequence is different from a second subcarrier group index sequence used for assigning a second subchannel in a second timing point. | 2009-06-04 |
| 20090141682 | METHOD AND APPARATUS TO CONTROL AUDIO SWITCH DURING CALL HANDOFF - A method and system of controlling an audio switch at a receiving unit during handoff is disclosed herein. The method can include the step of—at a receiving unit with an audio call active on a first network supporting a first audio protocol—setting up a second audio call on a second network supporting a different audio protocol. The method can further include the steps of monitoring for one or more events, detecting one or more of the events, and in response to the detection of one or more of the events, switching an audio path of the receiving unit from the first network to the second network. | 2009-06-04 |
| 20090141683 | METHOD OF BEST EFFORT HANDOFF TO MAINTAIN RADIO BEARER AND MIP SESSION CONTINUITY FOR MULTI-MODE MOBILE UNITS - The present invention provides a method of best effort hand off that is implemented in a mobile unit capable of communicating with a network according to multiple wireless access technologies. The method includes performing a handoff of the mobile unit from a first wireless communication link established according to a first wireless access technology to a second wireless communication link established according to a second wireless access technology. The method also includes transmitting, over the second wireless communication link, a de-registration message requesting de-registration of the first wireless communication link in response to performing the handoff. | 2009-06-04 |
| 20090141684 | Mobile communication system - A mobile communication system has a plurality of nodes, hierarchically connected to each other, including a source base station and a target base station. A U-plane management station includes detecting unit detecting a handover for the mobile terminal, and a Bi-casting unit redundantly transmitting, when detecting the handover for the mobile terminal, the same user data addressed to the mobile terminal toward both of the source base station and the target base station. The target base station includes a retaining unit receiving the user data addressed to the mobile terminal, which is transmitted by the U-plane management station, and retaining the user data, and a wireless transmitting unit wirelessly transmitting, when the mobile terminal is wirelessly connected after moving, the user data requested by the mobile terminal in the user data retained by the retaining unit and addressed to the mobile terminal. | 2009-06-04 |
| 20090141685 | MOBILE STATION HANDOVER USING TRANSFERRABLE VIRTUAL ACCESS POINT ADDRESS FOR WIRELESS NETWORKS - Various example embodiments are disclosed herein. According to an example embodiment, an apparatus may include a wireless transceiver, memory and a controller. The apparatus may be configured to assign, by a first physical access point (AP), a unique transferrable virtual AP address to one associated mobile station address; and perform, in response to a network request for handover, a handover for the associated mobile station address including: transferring the transferrable virtual AP address assigned to the associated mobile station address from a first physical AP to a second physical AP; and providing association state information for the associated mobile station address to the second physical AP. | 2009-06-04 |
| 20090141686 | MOBILE COMMUNICATION METHOD AND MOBILE COMMUNICATION APPARATUS - A mobile communication apparatus includes a registration request part ( | 2009-06-04 |
| 20090141687 | METHOD AND SYSTEM FOR MOBILE COMMUNICATIONS - When a network pages the temporary user mobile identifier of a mobile station, the mobile station sends a response to the network. Next, the network checks the authenticity of the user using a ciphering key, corresponding to the temporary user mobile identifier and a random number. If the temporary user mobile identifier is authenticated, a normal incoming call acceptance procedure is executed. If the mobile station is authenticated although the temporary user mobile identifier is wrong, the network reassigns a new temporary user mobile identifier to the mobile station and stops the current communication. In communication, the network and the mobile station mutually notify encipherment-onset time and negotiate about encipherment manner with each other. In addition, diversity handover is commenced upon a call attempt. Furthermore, if a branch replacement is necessary, the current branch is replaced by new branches capable of executing the diversity handover. Additionally, when a new call occurs to or from the mobile station capable of treating a plurality of calls simultaneously, the mobile station uses the same branch structure and the same communication frequency band for all of calls. Additionally, when a new call occurs to or from the mobile station capable of treating a plurality of calls simultaneously, a branch structure and a communication frequency band, which can continue all of the calls, are selected and used. Therefore, the mobile communications system is suitable for transmission of various sorts of data in accordance with the development of multimedia. | 2009-06-04 |
| 20090141688 | METHODS AND APPARATUS FOR SECURING PROXY MOBILE IP - An invention is disclosed that enables proxy Mobile IP registration to be performed in a secure manner. Various security mechanisms may be used independently, or in combination with one another, to authenticate the identity of a node during the registration process. First, an Access Point receiving a packet from a node verifies that the source MAC address identified in the packet is in the Access Point's client association table. In addition, as a second mechanism, the Access Point ensures that a one-to-one mapping exists for the source MAC address and source IP address identified in the packet in a mapping table maintained by the Access Point. As a third mechanism, a binding is not modified in the mobility binding table maintained by the Home Agent unless there is a one-to-one mapping in the mobility binding table between the source MAC address and the source IP address. Similarly, the Foreign Agent may also maintain a mapping between the source IP address and the source MAC address in its visitor table to ensure a one-to-one mapping between a source IP address and the associated MAC address. The MAC address is preferably transmitted in a MAC address extension to the registration request and registration reply packets. In this manner, the Access Point, Home Agent, and Foreign Agent may ascertain the node's MAC address and ensure a one-to-one mapping between the IP address and the MAC address during the registration process. | 2009-06-04 |
| 20090141689 | TUNE-AWAY PROTOCOLS FOR WIRELESS SYSTEMS - Systems and methods are provided for processing wireless signal components for a mobile wireless access broadband service. This can include processes for defining a protocol that controls whether to invoke a tune away component to determine an alternative wireless communications path. This can include defining one or more tune away parameters for the tune away component. The process can then automatically select the alternative wireless communications path based in part on the tune away procedure and at least one of the tune away parameters. | 2009-06-04 |
| 20090141690 | METHOD AND APPARATUS FOR UPLINK CONTROL SIGNALING - A transmitter in a wireless network transmits joint channel quality indicator (CQI) and data packet acknowledgement (Ack) or just CQI within the same subframe without uplink data transmission that can be readily detected at a receiver. When a short cyclic prefix (CP) is appropriate, a first approach utilizes a pilot aided signaling by using two different Walsh covers for the pilots to signal CQI vs. CQI+ACK. When a long CP is appropriate with one pilot, two different code designs are provided for CQI and CQI+ACK that only optimize the code book for each mode separately, but also maximize the distance between these two code spaces. Various coset based approaches are described to search for such linear block codes. Initial results showed good codes can be found based on the coset based approach to minimize the false alarm and misdetection. | 2009-06-04 |
| 20090141691 | Access Point for Wireless Local Area Network - Embodiments of an access point for an expanded wireless local area network are described and depicted. | 2009-06-04 |
| 20090141692 | OPTIMIZED AD HOC NETWORKING - Method, apparatus, and computer program product embodiments are disclosed to improve network performance for ad hoc WLANs save power in service discovery phase and provide service availability information quickly and independently from the wireless channels used in the WLAN ad hoc networks. The embodiments perform link-local addressing, Multicast Domain Name Service (DNS), and DNS Service Discovery operations one or more channels of an ad hoc IEEE 802.11 Wireless LAN. A protocol handler in a wireless device is coupled between a standard service discovery protocol module in the device, such as a Zeroconf protocol module or a UPnP protocol module, and at least one internet protocol stack in the device. The Transport, Internet, and Network Interface layers of the IP protocol stack are mapped by the protocol handler to corresponding functions in the standard service discovery protocol module, using a service table for storing information on relationships between available services, wireless devices, and channels on one or more ad hoc wireless networks. | 2009-06-04 |
| 20090141693 | Technique for Achieving Connectivity between Telecommunication Stations - A technique for enabling a secure, point-to-point wireless connection between a secondary computer (e.g., a personal digital assistant, etc.) and a primary computer (e.g., a notebook, a desktop, etc.) is disclosed. The primary computer is associated with an extended infrastructure through an access point. The present invention enables the secondary computer to communicate either with the associated primary computer or with an extended network indirectly through the access point. | 2009-06-04 |
| 20090141694 | METHOD FOR CONFIGURING AND MANAGING ACCESS POINT AND ACCESS CONTROLLER - Embodiments of the present invention disclose a method for configuring and managing access points AP and an access controller AC. The method includes: creating at least one virtual radio interface, each of which is assigned a standard Management Information Base (MIB) interface index, wherein each of the at least one virtual radio interface corresponds to at least one physical radio interface of at least one AP; determining a physical radio interface to which a virtual radio interface corresponds and sending configuration information on the virtual radio interface to the determined physical radio interface when there is a need to send the configuration information to the physical radio interface. By using embodiments of the present invention, a standard MIB can be re-used for operating APs, thereby costs for managing the APs are reduced. | 2009-06-04 |
| 20090141695 | METHOD OF CREATING INCENTIVES FOR USING WIRELESS HOTSPOT LOCATIONS - A system and method of distributing incentives for wireless hotspots is provided. The method includes providing an access point to a wireless hotspot for wireless devices to wirelessly connect to a larger network in a publicly accessible location, evaluating use statistics of the access point of the wireless hotspot by portable devices, and providing an inducement to a user of the wireless hotspot based on the evaluated use statistics. The system includes a first provider for providing an access point to a wireless hotspot for wireless devices to wirelessly connect to a larger network in a publicly accessible location, an evaluator for evaluating use statistics of the access point of the wireless hotspot by portables devices, and a second provider for providing an inducement to a user of the wireless hotspot based on the evaluated use statistics | 2009-06-04 |
| 20090141696 | METHOD FOR BANDWIDTH RECOVERY OF COMMUNICATION SYSTEM - A bandwidth recovery method for a communication system includes: transmitting a first uplink scheduling message to at least a first communication node and a second communication node of a plurality of communication nodes in the communication system; detecting if a communication channel is in an idle state after a first transmission start time; then, transmitting a second uplink scheduling message to the plurality of the communication nodes when the communication channel is found to be in the idle state after the first transmission start time. | 2009-06-04 |
| 20090141697 | TRANSMISSION OF A DATA STREAM USING OFDM SYMBOLS AT TWO CARRIER FREQUENCIES HAVING OVERLAPPING SUPERFRAMES OF A COMMENSURABLE TIME DURATION - In a method for transmitting a data stream in a digital transmission system,
| 2009-06-04 |
| 20090141698 | BINARY-TREE MULTIPLEXING SCHEDULING - Multiplexed scheduling of information blocks from multiple sources on a single communication channel divided into multiple address positions is performed. The information block from each source has a repetition period and is divided into a number of segments. A bandwidth adequacy verification is performed for expected information blocks to be scheduled on the channel. Mapping positions are assigned corresponding to nodes in a binary tree, whereby each layer of the binary tree corresponds to a repetition period of the respective information block. Assignment of the information blocks to the binary tree is based on a priority order of repetition period of the respective information block. | 2009-06-04 |
| 20090141699 | Synchronization of nodes on a network - A method for synchronizing at least two nodes on a network including one network node acting as a master node, the master node setting a base time T | 2009-06-04 |
| 20090141700 | TECHNIQUE FOR PERFORMING A RANDOM ACCESS PROCEDURE OVER A RADIO INTERFACE - The invention relates to a technique for performing a random access procedure over a radio interface, for example between a mobile terminal and a radio base station of a mobile network, A method aspect of the invention comprises the steps of transmitting a synchronization request for synchronization information; receiving synchronization information in response to the synchronization request; and transmitting, based on at least one transmission parameter adjusted in accordance with the synchronization information, a resource request for data transmission resources. | 2009-06-04 |
| 20090141701 | Concluding Validity of Uplink Synchronization Parameter - Concluding the validity of an uplink synchronization parameter, such as a timing advance, in a packet-switched radio system. The method includes: detecting ( | 2009-06-04 |
| 20090141702 | ACCESS LINK AGGREGATOR - One or more virtual access nodes manage multiple physical links connecting a digital subscriber line access multiplexer and an intelligent network interface device by logically bonding physical ports together into a group. Physical ports bonded in a logical group have equal priority with respect to one another. Thus, no master-slave relationship exists between the physical ports in the logical group. Traffic associated with a site is transmitted over physical links associated with the logical group of physical ports to a customer premises network interface device. The customer premises network interface device subsequently aggregates the received traffic and provides an increased bandwidth to the site over the physical links. The quality of communication is based on the number of operational physical links associated with the logical group. As long as at least one physical link associated with the logical group remains operational, communication will be enabled. | 2009-06-04 |
| 20090141703 | SYSTEMS AND METHODS FOR CARRIER ETHERNET USING REFERENTIAL TABLES FOR FORWARDING DECISIONS - The present invention utilizes specific referential tables for forwarding decisions while maintaining current mechanisms of Ethernet addressing and QoS marking. The referential tables are utilized for forwarding decisions based on any and/or multiple fields within the packets simultaneously, such as, for example, incoming port number, incoming MAC, incoming VLAN, outgoing MAC, outgoing VLAN, P-bits, DSCP, MPLS label, TCP/UDP port numbers, IP, SIP, HTTP, and the like. A user can define the forwarding criteria based on any combination/permutation fields in the packet. Advantageously, the present invention removes the need to introduce explicit tunnel labels in the Ethernet frame in order to maintain the desired QoS within the network removing explicit labeling requirements. | 2009-06-04 |
| 20090141704 | Hybrid Protocol Voice Over the Internet Calling - A click to talk system for use in a data network is disclosed. In response to a user selection on a browser, a click to talk server bridges an IP capable voice device to the browser by translating between data network protocols. Additionally, a media server may be manually or automatically contacted to provide a media stream simultaneously with a voice connection between a client computer running the browser and the IP capable voice device. | 2009-06-04 |
| 20090141705 | Device and method for address-mapping - To perform address mapping, a configuration client determines port numbers required for a network service and a network address conversion unit converts external network addresses into internal network addresses and vice versa. A configuration server requests required port numbers from the network address conversion unit which directly provides the network service with an external network address with the required port number. A device located in an internal address domain can thus be allocated a unique external network address. | 2009-06-04 |
