16th week of 2010 patent applcation highlights part 52 |
Patent application number | Title | Published |
20100098089 | PACKET TRANSFER DEVICE AND METHOD - Conventional Packet transfer technology relaying data through the network system needs to designate a relay communication line designated by the network system, together with relaying while taking into account the degree of importance or degree of priority of a packet. Accordingly, there is implemented, in a network system having a plurality of quality levels or communication lines, a device capable of dynamically controlling packet transfers in response to the quality or the state of the communication lines. The packet transfer device possesses a first table in which events that may occur on the occasion of transmission and reception processing are defined and a second table in which the processing executed in case the concerned defined event occurs is defined and, in case a defined event occurs, the second table is looked up and the packet transfer routes of the routing table are modified dynamically. | 2010-04-22 |
20100098090 | METHOD FOR ELECTING AGGREGATOR NODES IN A NETWORK - A method for electing aggregator nodes in a network, wherein the network includes a plurality of sensor nodes to measure data, and at least one of the sensor nodes functioning as aggregator node to aggregate sensored data obtained by at least a subset of the sensor nodes, the network further including at least one sink node to collect data aggregated by the aggregator nodes, the method including: establishing pairwise secret keys between a current aggregator node and each sensor node of the subset of sensor nodes; at each of the sensor nodes of the subset, choosing a random number and encrypting the random number using the established key; providing a communication chain between the sensor nodes of the subset and summing the encrypted random numbers of all sensor nodes of the subset; and determining a new aggregator node on the basis of the resulting sum according to a predefined calculation scheme. | 2010-04-22 |
20100098091 | COMMUNICATION SYSTEM, COMMUNICATION APPARATUS AND TERMINAL ACCOMMODATION APPARATUS - A communication system, a communication apparatus and a terminal accommodation apparatus which use a metallic subscriber line and are a high-speed and inexpensive are provided. The communication system includes a plurality of terminal accommodation apparatuses | 2010-04-22 |
20100098092 | ACCELERATING DATA COMMUNICATION USING TUNNELS - Methods and systems are provided for increasing application performance and accelerating data communications in a WAN environment. According to one embodiment, a method is provided for securely accelerating network traffic. One or more tunnels are established between a first wide area network (WAN) acceleration device, interposed between a public network and a first local area network (LAN), and a second WAN acceleration device, interposed between a second LAN and the public network. Thereafter, network traffic exchanged between the first LAN and the second LAN is securely accelerated by (i) multiplexing multiple data communication sessions between the first LAN and the second LAN onto the one or more tunnels, (ii) performing one or more of application acceleration, transport acceleration and network acceleration on the data communication sessions and (iii) performing one or more security functions on the data communication sessions. | 2010-04-22 |
20100098093 | Method and system for IP Multimedia bearer path optimization through a succession of border gateways - A method for identifying alternative end-to-end media paths through Internet protocol realms using substitute session description protocol parameters is disclosed. The method includes receiving a session description protocol offer, including a list of internet protocol realms. The list may include any number of previously traversed through internet protocol realms and/or secondary Internet protocol realms. The method continues with determining the outgoing Internet protocol realm for a media path based on unspecified signaling criteria. Finally, the method includes that if the outgoing Internet protocol realm to be traversed through is on the list of previously traversed through and/or secondary Internet protocol realms, bypassing at least one border gateway associated with the incoming and previously traversed through Internet protocol realms. The system implementing a method for identifying optimal end-to-end media paths and Internet protocol multimedia subsystems includes a list of internet protocol realm instances and an application level gateway configured to receive a session description protocol offer having connection information and port information, and a procedure to determine that if the outgoing Internet protocol realm that the media path may traverse through is on the list of instances, the media path connection information and port information is substituted to facilitate border gateway bypassing. | 2010-04-22 |
20100098094 | Mechanism for Protecting a Pseudo-Wire - A method is provided for setting up at least two pseudo-wires able to broadcast a stream of data, wherein a first pseudo-wire is set up between an input router of a packet-switched network and first output router of the packet-switched network, and a second pseudo-wire is set up between the input router and a second output router of the packet-switched network. A first link of the first pseudo-wire is set up between the first output router and an intermediate router of the packet-switched network. A second link of the second pseudo-wire is set up between the second output router and the intermediate router. A third link of both pseudo-wires is set up between the intermediate router and the input router. | 2010-04-22 |
20100098095 | ROUTING METHOD IN IN-VEHICLE GATEWAY DEVICE - A routing method and an in-vehicle gateway device having a plurality of interfaces for communication, automatic setting of routing function is enabled to perform, in consideration of characteristics of data which a connecting network handles. A network is classified to an information-system, a control-system and a safety-system, based on characteristics thereof, and which one of the systems includes a network connecting to the in-vehicle gateway device, is judged from equipments connecting to the network, or traffic of the network. Still more processing in data exchange among different classifications is set in advance. | 2010-04-22 |
20100098096 | METHOD AND APPARATUS FOR IMPLEMENTING BEARING PATH - A method and apparatus for implementing a bearer path are disclosed. The method includes the following steps: a Media Gateway (MG) reports a preset Path Request (PR) event to a Media Gateway Controller (MGC) according to a received request message related to a bearer path, requesting the MGC to deliver a resource reservation decision; the MG receives the resource reservation decision sent by the MGC; and the MG processes the bearer path according to the resource reservation decision. The present disclosure is applicable to setup of a bearer path. | 2010-04-22 |
20100098097 | MULTIPLE CHANNEL SYSTEM FOR A TWISTED PAIR TELEPHONE WIRE LOCAL LOOP SYSTEM - The system ( | 2010-04-22 |
20100098098 | Virtual Switching Using a Provisional Identifier to Conceal a User Identifier - This document describes tools useful in relaying a data stream from a data device to a network tunnel, such as by enabling virtual switching using a provisional identifier to conceal a user identifier. These tools, for example, may use an inexpensive switch module to create virtual switch instances. To do so, the tools may assign data packets to a virtual switch instance by mapping the data packets to a particular provisional identifier and then modifying the data packets to include the provisional identifier. The switch module may then forward the data packets based on the provisional identifier rather than on the user identifier. The tools may remove the provisional identifier before forwarding the data packets to a destination. | 2010-04-22 |
20100098099 | PPP TERMINATING EQUIPMENT, NETWORK EQUIPMENT AND METHOD OF RESPONDING TO LCP ECHO REQUIREMENT - In a PPP terminating equipment | 2010-04-22 |
20100098100 | Media gateway device - A media gateway device includes a first specific call control unit performing line connection control of one of plural interconnection units and plural second call control units requesting the first specific call control unit to perform the line connection control of one of the plural interconnection units. The first specific call control unit has a management data storage unit storing management data for determining which one of the plural interconnection units controls which line of the public network. Each of the plural second call control units has a control request unit requesting the first specific call control unit to perform line connection control of one of the plural interconnection units. | 2010-04-22 |
20100098101 | PACKET FORMAT FOR A DISTRIBUTED SYSTEM - A method is provided for transmitting a packet including information describing a bus transaction to be executed at a remote device. A bus transaction is detected on a first bus and a network packet is generated for transmission over a network. The network packet includes an opcode describing the type of bus transaction. One or more control signals of the bus transaction map directly to one or more bits of the opcode to simplify decoding or converting of the bus transaction to the opcode. The packet is transmitted to a remote device and the bus transaction is then replayed at a second bus. In addition, the packet includes a data field having a size that is a multiple of a cache line size. The packet includes separate CRCs for the data and header. The packet also includes a transaction ID to support split transactions over the network. Also, fields in the packet header are provided in a particular order to improve switching efficiency. | 2010-04-22 |
20100098102 | SYSTEMS AND METHODS FOR REDUCING POWER CONSUMPTION IN COMMUNICATION NETWORKS - The present disclosure generally relates to systems and methods for reducing power consumption in communication networks. In one exemplary embodiment, a system includes a leader node in communication with a plurality of follower nodes. The leader node causes the leader and follower nodes to transition from an awake mode to a sleep mode where they consume less power. An exemplary embodiment of a method includes the steps of configuring nodes in a communication network as follower nodes and configuring a node in the communication network as a leader node. The leader node is configured to cause the leader and follower nodes to alternate between an awake mode and a sleep mode. The leader and follower nodes consume less power when in the sleep mode than when in the awake mode. | 2010-04-22 |
20100098103 | Hybrid Tree/Mesh Overlay for Data Delivery - Hybrid tree/mesh overlays for data delivery involve using a tree overlay network and a mesh overlay network to delivery a data stream via a push mechanism and a pull mechanism, respectively. In an example embodiment, a network node enters a mesh overlay network and attaches to a tree overlay network. In operation, the network node receives data blocks of a data stream over the tree overlay network via a push mechanism. The network node ascertains if a data block is not received over the tree overlay network. If a data block is missing, the network node retrieves the missing data block over the mesh overlay network via a pull mechanism. In another example embodiment, the tree overlay network includes a subset of nodes forming a tree-based backbone. Network nodes that are identified as being stable may join the backbone and provide the data stream to other nodes. | 2010-04-22 |
20100098104 | SWITCHING DEVICE - A switching device comprising a plurality of ingress ports and a plurality of egress ports. The switching device is arranged to receive data packets through said ingress ports and to forward received data packets to respective ones of said egress ports. The switching device is further arranged to: determine a first time at which a first cell of a selected data packet is to forwarded to one of said egress ports, determine a further time at which a respective further cell of the selected data packet is to be forwarded to said one of said egress ports, store data indicating that said respective further cell is to be forwarded at said determined further time, forward said first cell at said first time, and forward said further cell of said selected data packet at said determined further time. | 2010-04-22 |
20100098105 | Scheduling Policy and Quality of Service Through the Presence Access Layer - A method for specifying a level of Quality of Service (QoS) for a transmission of presence information to a watcher is provided. The method includes a Presence Access Layer (PAL) specifying the level of QoS for the transmission, and the PAL providing the presence information to the watcher using the specified level of QoS. | 2010-04-22 |
20100098106 | METHOD AND APPARATUS FOR ALLOCATING WIRELESS RESOURCE AND WIRELESS NETWORK SYSTEM - A wireless resource allocation apparatus and method which maintain quality of service (QoS) in a wireless communication network are provided. The wireless resource allocation method includes calculating the number of medium access slots (MAS) to be allocated to at least one of a plurality of divided zones of at least one superframe, designating a reference location for MAS allocation to divided zones out of the plurality of divided zones of the superframe based on the calculated number of medium access slots, and allocating the medium access slots to the divided zones based on the designated reference location. Accordingly, more uniform service intervals can be supported, and thus efficient MAS resource allocation can be performed to satisfy media access control (MAC) based QoS requirements. | 2010-04-22 |
20100098107 | GENERATING A DATA STREAM AND IDENTIFYING POSITIONS WITHIN A DATA STREAM - Methods and apparatus, including computer program products, for generating a data stream encoded by means of a Variable Length Coding scheme. Code words for a data stream including a plurality of code words are encoded in accordance with a Variable Length Coding scheme. A separation marker is inserted between encoded data blocks in the data stream. | 2010-04-22 |
20100098108 | METHOD AND SYSTEM FOR TRANSMITTING IN TDM MODE - A method for transmitting data in TDM mode is provided to solve the problem in the prior art that the data processing between a transmitter side and a receiver side could not be real time and the delay time during data transmitting would be longer. The method comprises: packaging TIME DIVISION MULTIPLEXING (TDM) frame head information and data to be sent into a TDM frame at a transmitter side, and transmitting the TDM frame to a receiver side; receiving the TDM frame at the receiver side. With the solution according to the present invention, it is possible to perform real time data processing between the transmitter side and the receiver side and shorten the delay time during data transmitting. | 2010-04-22 |
20100098109 | PACKET HEADER COMPRESSION SYSTEM AND METHOD BASED UPON A DYNAMIC TEMPLATE CREATION - Header compression system for compressing the header of the data packets of a flow transmitted from an ingress node to an egress node through a data transmission network comprising template creating means, in both ingress node and egress node, adapted for creating the same compression template from a predetermined number of uncompressed data packets at the beginning of the flow respectively transmitted by the ingress node and received by the egress node, and header compression means, in the ingress node, adapted for compressing the header of each packet following the predetermined number of uncompressed data packets before transmitting it through the data transmission network, the compression being achieved by using the compression template. | 2010-04-22 |
20100098110 | Method and Apparatus for Using Ranging Measurements in a Multimedia Home Network - According to various embodiments of the disclosure, systems, methods and apparatuses are provided for using ranging to improve network efficiency. In particular, various embodiments of the disclosure provide ranging to improve local clock time synchronization. According to one embodiment, a method for synchronizing a plurality of nodes on a communication network is provided, comprising: exchanging local clock times between a first node and a second node over the communication network; performing a ranging method between the first and second nodes based on the local clock times exchanged between the first and second nodes, wherein the ranging method results in an estimated propagation delay between the first and second nodes; and adjusting the local clock times of the first and second nodes based on the estimated propagation delay, thereby resulting in a synchronized local clock time at the first and second nodes. | 2010-04-22 |
20100098111 | METHOD AND SYSTEM FOR PRECISE-CLOCK SYNCHRONIZATION, AND DEVICE FOR PRECISE-CLOCK FREQUENCY/TIME SYNCHRONIZATION - A precise-clock synchronization method and system and a precise-clock frequency/time synchronization device are provided. In the embodiments of the present invention, two time stamp engines are provided at a slave clock side. A relative time stamp engine provides a relative arrival time stamp. An absolute time stamp engine provides an absolute arrival time stamp. The frequency/time synchronization is calculated by using different time stamps obtained from different time stamp engines, so the frequency synchronization and time synchronization of master clock and the slave clock may be separately accomplished, and one synchronization function may be enabled or disabled. Therefore, the frequency synchronization and time synchronization of the master clock and the slave clock do not interfere with each other, thus greatly reducing the occupied link bandwidth resources. | 2010-04-22 |
20100098112 | Method and apparatus for preventing distortion of powerful fiber-laser systems by backreflected signals - A powerful fiber laser system is configured with at least one filtering element capable of preventing a backreflected Raman component of the main signal from propagating along the upstream stretch of the system. The filtering element includes a slanted fiber grating, one or more cladding formations disposed in a cladding of fiber and having a refractive index greater than that one of the cladding, but lower than a refractive index of the core, and/or a combination of two spaced apart single mode fibers and a low mode fiber spliced to the opposing ends of the respective SM fibers. | 2010-04-22 |
20100098113 | Selective deposition of carbon nanotubes on optical fibers - The specification describes a method for selectively depositing carbon nanotubes on the end face of an optical fiber. The end face of the optical fiber is exposed to a dispersion of carbon nanotubes while light is propagated through the optical fiber. Carbon nanotubes deposit selectively on the light emitting core of the optical fiber. | 2010-04-22 |
20100098114 | Frequency Control Method and Apparatus - A feedback control circuit and method for controlling laser frequency employing an interferometric phase sensor which accepts a light output from a laser and combines a phase modulated version of the light output, with an unmodulated version. By modulating only one component of the signal in the interferometric sensor, the improved noise characteristics are obtained, while demodulation can be performed relatively easily and cheaply. Methods and enclosures for reducing ambient noise in an interferometer or the delay coil thereof are also described. | 2010-04-22 |
20100098115 | CAVITY-DUMPED PULSED SOLID-STATE LASER WITH VARIABLE PULSE-DURATION - In a cavity-dumped, repetitively-pulsed, solid-state laser cavity dumping is protracted over a predetermined time longer than a round-trip time of the resonator of the laser. The cavity dumping is effected by a Pockels cell optical switch. During a dumping period a voltage applied to the Pockels cell falls in a predetermined time. Varying the voltage fall-time varies the duration of pulses provided by the laser, independent of the pulse-repetition frequency. | 2010-04-22 |
20100098116 | Optimized signal control in frequency-doubled laser sources - The present disclosure relates generally to semiconductor lasers and laser projection systems. According to one embodiment of the present disclosure, a method of operating a laser projection system is provided. According to the method, the laser projection system is utilized to display a sequence of pixelized image frames comprising an alternating sequence of relatively high intensity active projection periods Mod | 2010-04-22 |
20100098117 | PULSED LASER SOURCES - Various embodiments include modelocked fiber laser resonators that may be coupled with optical amplifiers. An isolator may separate the laser resonator from the amplifier, although certain embodiments exclude such an isolator. A reflective optical element on one end of the resonator having a relatively low reflectivity may be employed to couple light from the laser resonator to the amplifier. Enhanced pulse-width control may be provided with concatenated sections of both polarization-maintaining and non-polarization-maintaining fibers. Apodized fiber Bragg gratings and integrated fiber polarizers may be also be included in the laser cavity to assist in linearly polarizing the output of the cavity. Very short pulses with a large optical bandwidth may be obtained by matching the dispersion value of the fiber Bragg grating to the inverse of the dispersion of the intra-cavity fiber. Frequency comb sources may be constructed from such modelocked fiber oscillators. In various exemplary embodiments, low dispersion and an in-line interferometer that provides feedback, assist in controlling the frequency components output from the comb source. | 2010-04-22 |
20100098118 | LAPTOP-SIZE HIGH-ORDER HARMONIC GENERATION APPARATUS USING NEAR FIELD ENHANCEMENT - Disclosed herein is a laptop-size high-order harmonic generation apparatus using near field enhancement. The laptop-size high-order harmonic generation apparatus using near field enhancement includes a femtosecond laser generator, light transfer means for transferring light output from the femtosecond laser generator, micro patterns formed of metallic thin films and configured to have nano-sized apertures for generating near field enhancement when the light output from the light transfer means passes through the micro patterns, a gas supply unit for supplying inert gas to the light when the light transferred through the light transfer means passes through the micro patterns, and a vacuum chamber for accommodating the micro patterns and the gas supply unit under a vacuum atmosphere. | 2010-04-22 |
20100098119 | LASER CONTROLLER - A controller ( | 2010-04-22 |
20100098120 | VERY HIGH POWER LASER CHAMBER OPTICAL IMPROVEMENTS - An aspect of the disclosed subject matter includes a method of reducing the laser absorption of a beam reverser prism consisting of at least one of the following: increasing a first distance between a first incident point and a chamfered corner, wherein the first incident point is on a first reflective surface of the prism and the chamfered corner is formed between the first reflective surface and a second reflective surface of the prism, wherein the chamfered corner has a chamfered surface; increasing a second distance between a second incident point and the chamfered corner, wherein the second incident point is on the second reflective surface of the prism; and increasing a reflectivity of the chamfered surface of the chamfered corner of the prism. A method of determining a prime cut for an optical component is also disclosed. A laser including at least one prime cut optical component is also disclosed. | 2010-04-22 |
20100098121 | LIQUID COOLED LASER BAR ARRAYS INCORPORATING DIAMOND/COPPER EXPANSION MATCHED MATERIALS - A laser diode array having a plurality of diode bars bonded by a hard solder to expansion matched spacers and mounted on a gas or liquid cooled heatsink. The spacers are formed of a material such as copper/diamond composite material having a thermal expansion that closely matches that of the laser bars. | 2010-04-22 |
20100098122 | Method and Apparatus for Laser Control in a Two Chamber Gas Discharge Laser - A laser control system contains an oscillator gas chamber and an amplifier gas chamber. A first voltage input is operatively connected to deliver electrical pulses to a first pair of electrodes within the oscillator gas chamber and a second pair of electrodes within the amplifier gas chamber. An output of the gas chambers is an energy dose calculated by a trapezoidal window. A control circuit connects to the first voltage input for modifying the first voltage input. A feedback control loop communicates an output of the gas chambers to the control circuit for modifying the first voltage input. | 2010-04-22 |
20100098123 | METHOD AND APPARATUS FOR LASER CONTROL IN A TWO CHAMBER GAS DISCHARGE LASER - A laser control system contains an oscillator gas chamber and an amplifier gas chamber. A first voltage input is operatively connected to deliver electrical pulses to a first pair of electrodes within the oscillator gas chamber and a second pair of electrodes within the amplifier gas chamber. An output of the gas chambers is an energy dose calculated by a trapezoidal window. A control circuit connects to the first voltage input for modifying the first voltage input. A feedback control loop communicates an output of the gas chambers to the control circuit for modifying the first voltage input. | 2010-04-22 |
20100098124 | METHOD AND APPARATUS FOR LASER CONTROL IN A TWO CHAMBER GAS DISCHARGE LASER - A laser control system contains an oscillator gas chamber and an amplifier gas chamber. A first voltage input is operatively connected to deliver electrical pulses to a first pair of electrodes within the oscillator gas chamber and a second pair of electrodes within the amplifier gas chamber. An output of the gas chambers is an energy dose calculated by a trapezoidal window. A control circuit connects to the first voltage input for modifying the first voltage input. A feedback control loop communicates an output of the gas chambers to the control circuit for modifying the first voltage input. | 2010-04-22 |
20100098125 | SELF-POWERED RANDOM SCATTERING LASER DEVICES - The present disclosure relates to a self-powered, random scattering laser generating device comprising a housing comprises an opening and an inner chamber, at least one quantum dot positioned inside the inner chamber, a high-energy emitting source positioned within the inner chamber and in radioactive communication with the at least one quantum dot, and a first lasing medium. The present disclosure also relates to a method comprising providing at least one quantum dot, contacting the at least one quantum dot with a high-energy emitting source whereby randomly scattered light is produced, partially coherently amplifying the randomly scattered light emitted from the at least one quantum dot, and generating a random scattering laser. | 2010-04-22 |
20100098126 | CO-EXTRUDED MULTILAYER POLYMERS FILMS FOR ALL-POLYMER LASERS - A polymer film laser is provided that comprises a plurality of extruded polymer layers. The plurality of extruded polymer layers comprises a plurality of alternating dielectric layers of a first polymer material having a first refractive index and a second polymer material having second refractive index different than the first refractive index. | 2010-04-22 |
20100098127 | METHOD OF MANUFACTURING NITRIDE SEMICONDUCTOR LIGHT EMITTING ELEMENT AND NITRIDE SEMICONDUCTOR LIGHT EMITTING ELEMENT - A method of manufacturing a nitride semiconductor light emitting element includes: forming a stacked layer body of a nitride semiconductor having a second conductive-type layer, a light emitting layer, and a first conductive-type layer stacked on a growth substrate in this order; forming a first Bragg reflector made of a dielectric multilayer film above the first conductive-type layer; forming a first electrode over the first Bragg reflector with the first electrode being electrically connected to the first conductive-type layer; bonding the stacked layer body to a supporting substrate via the first Bragg reflector and the first electrode; removing the growth substrate from the stacked layer body to expose the second conductive-type layer; and forming over the exposed second conductive-type layer a second electrode and a second Bragg reflector made of a dielectric multilayer film so that the second Bragg reflector faces the first Bragg reflector across the stacked layer body. | 2010-04-22 |
20100098128 | GAS-DISCHARGE LASER - The proposed gas discharge laser comprises extended solid main discharge electrodes, at each of which at least one ultraviolet pre-ionizer is placed, a gas flow area being formed by means of dielectric gas flow guides and the work surfaces of main electrodes and the pre-ionizers being placed outside of the gas flow area for illuminating a space between the main discharge electrodes through a gap defined between the main electrodes and dielectric guides. The proposed invention makes it possible to design a gas discharge laser for a high pulse repetition frequency mode with high-quality laser radiation. | 2010-04-22 |
20100098129 | LASER-INDUCED OPTICAL WIRING APPARATUS - A laser-induced optical wiring apparatus is provided wherein optical wiring is realized by digital operations of a laser oscillator. The apparatus includes optical ring resonator formed of a loop-shaped optical waveguide on substrate. At least two optical gain sections are provided on the optical ring resonator. When each optical gain section is activated, a laser oscillator including the optical ring resonator and optical gain sections is enabled to oscillate. In this state, the gain of at least one of the optical gain sections is changed in accordance with an input signal, thereby changing the optical route gain of the optical ring resonator to change the oscillation state of the laser oscillator. A change in the laser oscillation state is detected by the optical gain section other than the at least one optical gain section, whereby an output signal is acquired. | 2010-04-22 |
20100098130 | HIGH-PRESSURE TANK TEMPERATURE DETECTION SYSTEM AND HIGH-PRESSURE TANK SYSTEM - In a hydrogen tank, discharge of a hydrogen gas may cause lowering of the temperature to a value at which it is assumed that disconnection has occurred in a thermistor. A temperature detection system for the hydrogen tank estimates the possibility that the temperature of the hydrogen tank is below this temperature value, according to the ambient temperature and the internal pressure. Only when there is no possibility that the temperature is below the value, disconnection is judged to have occurred. | 2010-04-22 |
20100098131 | ANALYSIS OF EFFECTS OF CARGO FIRE ON PRIMARY AIRCRAFT STRUCTURE TEMPERATURES - Systems for analyzing effects of cargo fire on primary aircraft structure are provided. A particular system includes a processor and a memory accessible to the processor. The memory includes instructions executable by the processor to access a thermal profile of a suppressed fire in a physical model of a cargo compartment of an aircraft. The instructions are also executable to analyze heat transfer resulting from applying the thermal profile of the suppressed fire to a structure of the aircraft surrounding the cargo compartment to determine a predicted temperature reached by one or more parts of the structure surrounding the cargo compartment as a result of the suppressed fire. The instructions are also executable to generate an output including the predicted temperature reached by the one or more parts of the structure surrounding the cargo compartment. | 2010-04-22 |
20100098132 | RADIATOR COVER - A radiator cover includes a base seat with a mounting portion. A thermometer includes a temperature-indicating portion disposed within the mounting portion, an externally threaded portion extending downwardly from the temperature-indicating portion and having a bottom surface, and a sensor portion extending downwardly from the bottom surface. A threaded seat includes an internally threaded portion engaging the externally threaded portion, and an annular inner surface disposed below the internally threaded portion and confronting the bottom surface. An annular water seal is disposed between the bottom surface and the annular inner surface of the threaded seat to establish a water-tight seal therebetween. | 2010-04-22 |
20100098133 | APPARATUS FOR DETECTING TEMPERATURE USING TRANSISTORS - An apparatus for detecting a temperature using transistors includes a plurality of temperature detecting units that become selectively active according to predetermined temperature intervals; and a detection signal output unit that generates detection signals according to the signals transmitted by the plurality of temperature detecting units, and outputs the detection signals. | 2010-04-22 |
20100098134 | METHOD AND APPARATUS FOR USING A SPREAD SPECTRUM INTERMEDIATE FREQUENCY CHANNEL WITHIN AN ELECTRONIC DEVICE - An input signal to a radio device is received and has its frequency spread prior to processing the signal to allow the performance benefits of a spread spectrum signal. After processing, the signal is despread by analog or digital processing to create an output signal. The spreading and despreading functions can be implemented with known techniques or a truly random bit sequence. | 2010-04-22 |
20100098135 | METHOD AND APPARATUS FOR AVOIDING INTERFERENCE BETWEEN COEXISTING WIRELESS SYSTEMS - Apparatuses and methods for avoiding interference between wireless systems are described herein. One embodiment of the disclosure provides an apparatus for avoiding interference between at least one transmitter and at least one receiver within at least one wireless device. The apparatus comprises a first processing circuit configured to determine whether one or more bins are affected by interference from a transmitter based on predetermined information. The apparatus further comprises a second processing circuit configured to mitigate the interference from the transmitter by at least one of the transmitter and a receiver if it is determined that the one or more bins are affected | 2010-04-22 |
20100098136 | Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference - A method and apparatus for selecting a signal processing resolution. A received signal is processed using a first resolution. When a multipath condition is detected, the signal is processed using a second resolution. | 2010-04-22 |
20100098137 | DETECTION DEVICE OF A SPREADING CODE AND A TIMING, AND A METHOD THEREOF - An A/D converted and inputted signal is stored in a memory. A sliding correlator sequentially reads the signal stored in the memory and despreads this signal. A despreading timing is adjusted and then the candidate for a despreading code is outputted from a code generation circuit. The despreading code outputted at a predetermined timing is used for obtaining a correlation value of signals outputted from the memory, using the sliding correlator. Thus, by storing signals in the memory, fluctuation of a correlation value caused by fading does not occur while specifying a code or detecting a despreading timing. | 2010-04-22 |
20100098138 | Method And Apparatus For Improving Energy Efficiency Of Mobile Devices Through Energy Profiling Based Rate Adaptation - Improved battery life for mobile wireless devices communicating using standard network protocols is obtained by measuring an energy profile of the transmitter circuitry with respect to transmission rate and transmission energy and adjusting operating conditions according to measured or deduced error rates. Additional energy savings are obtained reducing the total number of bits transmitted using payload compression and header truncation making use of application layer communications between the remote device and a power-unconstrained proxy device. | 2010-04-22 |
20100098139 | CREST FACTOR REDUCTION FOR OFDM COMMUNICATIONS SYSTEMS BY TRANSMITTING PHASE SHIFTED RESOURCE BLOCKS - In the disclosed system and method phase (and optionally amplitude) shifts are applied at an OFDM transmitter to resource blocks within a given slot to implement Crest Factor Reduction (CFR). The phase shifts may differ between resource blocks and are selected to reduce the peaks in the OFDM waveform. The resource block phase shifts do not affect the demodulation process when the equalization at the receiver is performed on individual blocks separately. As a result, the crest factor reduction is achieved without increasing the EVM or BER in the received signal. In addition, a computational efficient algorithm for determining the resource block phase shifts needed for CFR is disclosed. | 2010-04-22 |
20100098140 | NETWORK COMMUNICATIONS DEVICE CAPABLE OF PROMOTING CONNECTION QUALITY AND METHOD THEREOF - A network communications device is capable of promoting connection quality, and includes: a plurality of transmitting units for outputting a plurality of analog transmit-signals to another network communications device based on a plurality of digital transmit-signals; a plurality of receiving units for outputting a plurality of digital receive-signals based on a plurality of analog receive-signals sent from the another network communications device; an echo canceller for providing a signal for canceling an echo in one of the digital receive-signals; a near end crosstalk canceller for providing a signal for canceling near end crosstalk in one of the digital receive-signals; a decoding circuit for generating a decoded signal based on one of the digital receive-signals subsequent to cancellation of the echo and the near end crosstalk therein; and a power-increasing control circuit for increasing operating power so as to promote connection quality. | 2010-04-22 |
20100098141 | IMPLEMENTING AUTO-CONFIGURABLE DEFAULT POLARITY - The present invention relates to a system and method for implementing auto-configurable default polarity. More specifically, the present invention relates to a transceiver module comprising, for example, a single chip multi-sublayer PHY, where the single chip multi-sublayer PHY is adapted to implement auto-configurable default polarity. In one embodiment, the transceiver module comprises at least one program module adapted to be programmed with at least a default polarity setting. The single-chip multi-sublayer PHY comprises at least one selection register communicating with at least the program module, where the selection register is adapted to store at least the default polarity setting. The single chip multi-sublayer PHY further comprises at least one multiplexer communicating with at least the selection register and adapted to select one polarity from at least two possible polarities based at least in part on the default polarity setting. | 2010-04-22 |
20100098142 | SYSTEM AND METHOD OF PROVIDING TELECOMMUNICATIONS SPECIAL SERVICES TO A TELECOMMUNICATIONS CUSTOMER - A system and method for providing telecommunications special services to customers of a communications service provider includes receiving first communications signals from customer premise equipment. The first communications signals may be processed using a special services card to generate second communications signal. The second communications signal may be communicated to a line termination unit operating externally from a BBDLC. The second communications signal may be processed by the line termination unit to generate a third communications signal. The third communications signal may be communicated to a transport card operating in the BBDLC. By externally processing special services signals from the BBDLC, bandwidth of the BBDLC may be utilized more efficiently. | 2010-04-22 |
20100098143 | Method For Analyzing Random Telegraph Signal And Threshold Level Determination Method Therefor - A method for analyzing a random telegraph signal according to the present invention includes the steps of: performing band-pass filter processing with respect to signal data; subsequently calculating a histogram; subsequently performing threshold determination processing; further performing, based on a result of the threshold determination, binarization processing with respect to the filtered signal data; and further obtaining, based on a result of the binarization, coefficients τ. | 2010-04-22 |
20100098144 | MULTIPLE INPUT MULTIPLE OUTPUT COMMUNICATION SYSTEM AND COMMUNICATION METHOD OF ADAPTABLY TRANSFORMING CODEBOOK - A multiple input multiple output (MIMO) communication system including a base station and at least one terminal may adaptively transform a codebook. The terminal may calculate one or more correlation matrices based on one or more subchannel matrices included in a channel matrix. The terminal may feed back information for the base station to reconstruct the one or more correlation matrices. The terminal may transform a codebook stored in the memory of the terminal, based on the one or more correlation matrices. The base station may verify the one or more correlation matrices using the information for the base station to reconstruct the one or more correlation matrices. The base station may transform a codebook stored in the memory of the base station such that the transformed base station codebook is the same as the transformed terminal codebook. | 2010-04-22 |
20100098145 | APPARATUS AND METHOD FOR CHANNEL ESTIMATION IN MOBILE COMMUNICATION SYSTEM - An apparatus and method for reducing power consumption of a receiver of a mobile communication system are provided. The apparatus includes an adaptive multi-tap segment channel estimator for determining a segment size according to a delay spread value for each channel tap, for determining a channel estimation frequency by determining a sum of segment block energy, and for allocating each segment to the channel estimator. | 2010-04-22 |
20100098146 | CHANNEL ESTIMATION METHOD AND DEVICE IN WIRELESS COMMUNICATION SYSTEM - Provided is a channel estimation method and device in a wireless communication system. A channel estimating device for estimating a channel based on a received signal generates an initial channel estimate by using a preamble extracted from the received signal, and determines whether there is a midamble between data symbols appearing next to the preamble. When there is a midamble, the channel estimating device acquires a first channel estimate by using the midamble, and acquires an updated second channel estimate by using the initial channel estimate and the first channel estimate. The channel estimating device performs channel equalization with the second channel estimate to compensate distortion. | 2010-04-22 |
20100098147 | EQUALIZER AND METHOD FOR PERFORMING EQUALIZATION - An FFE/DFE equalizer is provided that uses unclocked FIR filters. At least one of the unclocked FIR filters has tunable delay cells that can be tuned to adjust their respective time delay time periods. Because the FIR filters of the FFE/DFE equalizer are unclocked, the complexity and die area associated with clocking circuits are avoided, thereby enabling costs to be reduced. Because the delay cells of at least one of the FIR filters are tunable to enable their respective time delay periods to be adjusted, very good equalizer performance is achieved without having to use clocked circuits. In addition, because clocked circuits are not used in the FIR filters, the need for clocking circuits to control the timing of clocked circuits is obviated, which leads to a reduction in the amount of power consumed by the FFE/DFE equalizer. | 2010-04-22 |
20100098148 | LINEAR FEEDBACK SHIFT CALCULATION APPARATUS, COMMUNICATION APPARATUS, MICROPROCESSOR, AND DATA OUTPUT METHOD IN A LINEAR FEEDBACK CALCULATION APPARATUS - A linear feedback shift calculation apparatus, into which input data is input, and which outputs output data, including: an L generation unit which generates q values of q | 2010-04-22 |
20100098149 | SYSTEMS AND METHODS FOR MULTICARRIER MODULATION USING MULTI-TAP FREQUENCY-DOMAIN EQUALIZER AND DECISION FEEDBACK - Through the use of feedback in determining frequency domain equalization, interference can be reduced. Specifically, the determined constellation point closest to the determined received point can be fed back to aid in determining one or more other closest constellation points. | 2010-04-22 |
20100098150 | Techniques for Asynchronous Data Recovery - A data recovery circuit includes a pulse width indicator circuit, an edge detection circuit and a first storage. The pulse width indicator circuit is configured to receive, at an input, a data stream and provide pulses, at respective outputs, that are indicative of respective data bits in the received data stream. The edge detection circuit is configured to receive, on respective inputs, the pulses from the pulse width indicator circuit and provide respective storage signals, on respective outputs that are indicative of a logic level of the respective data bits, responsive to the pulses. The first storage is configured to receive and store the respective storage signals. | 2010-04-22 |
20100098151 | Method and Apparatus for Cached Adaptive Transforms for Compressing Data Streams, Computing Similarity, and Recognizing Patterns - A method and apparatus for cached adaptive transforms for compressing data streams, computing similarity, and recognizing patterns have been disclosed. | 2010-04-22 |
20100098152 | Method and system for conversion of digital video - A method for converting an encoded digital video signal from a decoded relatively lower frame rate to a decoded relatively higher frame rate, including the following steps: deriving, from the encoded video signal, at the relatively lower frame rate, a decoded high resolution component and a decoded low resolution component; increasing the frame rate of the decoded low resolution component by interpolating successive frames of the decoded low resolution component; increasing the frame rate of the decoded high resolution component by duplicating frames of the decoded high resolution component; and obtaining an output relatively higher frame rate video signal by combining the increased frame rate low resolution component and the increased frame rate high resolution component. | 2010-04-22 |
20100098153 | System and Method to Record Encoded Video Data - A system includes a network interface to receive video packet data encoding video data from a remote server. The system includes a hardware decoder operable to decode a first type of encoded video data but not operable to decode a second type of encoded video data. The system also includes a software decoder to decode the second type of encoded video data. The system also includes a controller to determine whether the received video packet data includes the second type of encoded video data and to route the video packet data to the software decoder when the video packet data includes the second type of encoded video data. | 2010-04-22 |
20100098154 | METHODS AND APPARATUS FOR VIDEO USABILITY INFORMATION (VUI) FOR SCALABLE VIDEO CODING (SVC) - There are provided methods and apparatus for video usability information (VUI) for scalable video coding (SVC). An apparatus includes an encoder for encoding video signal data into a bitstream. The encoder specifies video user information, excluding hypothetical reference decoder parameters, in the bitstream using a high level syntax element. The video user information corresponds to a set of interoperability points in the bitstream relating to scalable video coding. | 2010-04-22 |
20100098155 | Parallel CABAC Decoding Using Entropy Slices - A method of video encoding is provided that includes performing context-adaptive binary arithmetic coding (CABAC) on a plurality of syntax element values in a slice to generate a plurality of entropy-encoded syntax element values, generating an entropy slice header to identify the plurality of entropy-encoded syntax element values as an entropy slice, wherein the entropy slice header comprises context model initialization information, and outputting the entropy slice header and the plurality of entropy encoded syntax element values. | 2010-04-22 |
20100098156 | WEIGHTED PREDICTION BASED ON VECTORIZED ENTROPY CODING - This disclosure describes methods that control the selection of predictive coding techniques for enhancement layer video blocks based on characteristics of vectorized entropy coding for such enhancement layer video blocks. In accordance with this disclosure, the predictive techniques used for predictive-based video coding of enhancement layer video blocks are dependent upon the vectorized entropy coding used for such enhancement layer the video blocks. For each coded unit, predictive coding techniques (e.g. weighted or non-weighted prediction) may be selected depending upon whether the vectorized entropy coding defines a single vector for the video blocks of that coded unit or multiple vectors for the video blocks of that coded unit. | 2010-04-22 |
20100098157 | METHOD AND AN APPARATUS FOR PROCESSING A VIDEO SIGNAL - A method of decoding a video signal is disclosed. The present invention includes obtaining IC (Illumination Compensation) difference information of a neighbor block of a current block, when information associated with illumination compensation for the current block is not available in a bitstream, deriving IC difference information of the current block using the IC difference information of the neighbor block, deriving an IC flag indicating whether illumination compensation is performed on the current block, based on the IC difference information of the current block, and performing the illumination compensation on the current block, based on the IC difference information of the current block and the IC flag. | 2010-04-22 |
20100098158 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-04-22 |
20100098159 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-04-22 |
20100098160 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-04-22 |
20100098161 | VIDEO ENCODING APPARATUS AND VIDEO ENCODING METHOD - A video encoding apparatus and method are provided. The apparatus includes a clock generation unit generating a clock, an order unit ordering start timing of the encoding. The apparatus includes a first encoding unit encoding the inputted video to generate first compressed data having a predetermined first band, synchronizes a random access point (RAP) of the first compressed data with the start timing and adds time information based on the clock to the RAP of the first compressed data and a second encoding unit encoding the inputted video to generate second compressed data having a second band narrower than the first band, synchronizes a RAP of the second compressed data with the start timing, acquires the time information of the RAP of the first compressed data and adds the time information to the RAP of the second compressed data that synchronizes with the RAP of the first compressed data. | 2010-04-22 |
20100098162 | System and Method for Bit-Allocation in Video Coding - A system and method for region-of-interest-based bit-allocation scheme for video coding is provided. A method for encoding an image sequence of inter-frames and intra-frames includes grouping the inter-frames and the intra-frames in at least one group of pictures (GOP), and performing a frame-level bit-allocation to inter-frames and the intra-frames in the GOP. For each frame of the inter-frames and the intra-frames in the GOP, the method also includes partitioning the frame into a plurality of macroblocks, identifying macroblocks in the plurality of macroblocks as having regions of interest (ROI), and performing a macroblock level bit-allocation for the frame based on macroblocks identified as having ROI. The method further includes encoding the image sequence based on the bit-allocations, thereby producing an encoded image sequence, and outputting the encoded image sequence. | 2010-04-22 |
20100098163 | IMAGE BUFFERING TECHNIQUES - A system, apparatus, method and article to perform buffering techniques are described. The apparatus may include a buffer having a fixed number of storage slots that store reconstructed picture representations received from an image processing module. Also, the apparatus may include a buffer status unit to store a multiple information items to indicate one or more buffer characteristics of the buffer. Further, the apparatus may include a buffer control module to manage storage within the buffer. | 2010-04-22 |
20100098164 | VIDEO SIGNAL PROCESSING METHOD AND APPARATUS THEREOF - A method of processing an interleaved video including a plurality of fields includes receiving a top field and a bottom field successively; selecting one of the top field and the bottom field as a selected field; and generating an interpolated field for replacing an unselected field of the top field and the bottom field, wherein a field motion between the selected field and the interpolated field is less than a field motion between the top field and the bottom field. | 2010-04-22 |
20100098165 | DYNAMIC MOTION VECTOR ANALYSIS METHOD - The proposed Dynamic Motion Vector Analysis method applies to the motion compensation module of a video decoder system. The method analyzes the motion-vectors of a given region of picture frame and outputs a set of regions to be fetched from the reference frames stored in the external memory. The size and number of regions are decided by a hierarchical method that uses a set of user-defined input thresholds. Pre-processing of the motion vectors associated with the given region allows the method to handle reference data to be fetched from multiple reference frames in the same framework. A complementary dynamic batch (region of operation) size strategy that works along with MV-analysis is also proposed to help utilize the on-chip memory resources more efficiently. | 2010-04-22 |
20100098166 | VIDEO CODING WITH COMPRESSED REFERENCE FRAMES - A method and apparatus for video coding for reducing memory size and external memory access bandwidth in video coding, wherein the method compresses a reference frame prior to storing the reference frame to memory. | 2010-04-22 |
20100098167 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-04-22 |
20100098168 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-04-22 |
20100098169 | METHOD AND APPARATUS FOR MOTION ESTIMATION USING COMPRESSED REFERENCE FRAME - An apparatus and a method for determining motion estimation with compressed frame, the method includes loading a macroblock of a current image into codec, transferring a compressed version of motion estimation search window data from previous frame to codec, and carrying out motion estimation to calculate motion vector for current macroblock by matching block to uncompressed version of previous frame data in search window. | 2010-04-22 |
20100098170 | Transcoding device and transcoding method - A transcoding device includes a decoding unit that decodes both motion vectors of macroblocks and images from encoded images in a first encoding format; a first decoded image storing unit that stores therein the decoded motion vectors of macroblocks and the decoded images; a vector searching unit that searches for motion vectors of macroblocks in a second encoding format by using the decoded images stored in the first decoded image storing unit as reference images and by using the decoded motion vectors stored in the first decoded image storing unit; and a motion compensating unit that reads, from the first decoded image storing unit, areas in the decoded images, which are indicated by the motion vectors for which the vector searching unit has searched, and performs motion compensation by using the areas in the decoded images and the motion vectors for which the vector searching unit has searched. | 2010-04-22 |
20100098171 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-04-22 |
20100098172 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-04-22 |
20100098173 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - To stop the decline of the quality of image associated with encoding. The present invention multiplies a decoding rescaling factor (RFr) possibly used in the decoding process by only a transformation matrix (D), which is scale change, to calculate a rescaling factor (RF), which is a plurality of division factors, and then calculates, for each detection unit, the sum (ΣY) of evaluation values (Y) based on a residue (r) obtained as a result of dividing an element of a DCT coefficient by a plurality of rescaling factors (RF). Moreover, the present invention compares correlations of the sum (ΣY) of the evaluation values (Y) with a plurality of rescaling factors (RF), and detects, based on the rescaling factor (RF) whose sum (ΣY) of the evaluation values (Y) is a minimum value, a quantization factor used in the previous process of encoding the input image data. | 2010-04-22 |
20100098174 | VIDEO ENCODING METHOD, VIDEO DECODING METHOD, VIDEO ENCODING APPARATUS, VIDEO DECODING APPARATUS, VIDEO ENCODING PROGRAM, AND VIDEO DECODING PROGRAM - A video processing system | 2010-04-22 |
20100098175 | Electric power transmission system for communications with noise elimination arrangement - An electric power transmission system for communications includes on/off switches; high-voltage power assemblies; groups of high-voltage devices each being powered by the high-voltage power assembly; a carrier waves communications network comprising a transformer and filter, a filter, and a carrier waves coupling device interconnecting the transformer and filter and the filter, wherein the transformer and filter includes a low-voltage power assembly for communications and the filter includes a high-voltage power assembly for communications; and low and high-voltage devices. Data can be communicated between the low-voltage devices, between the high-voltage devices, or between the low-voltage device and the high-voltage device by transmitting carrier waves over the AC power. | 2010-04-22 |
20100098176 | METHOD FOR EFFICIENT FEEDBACK OF RECEIVING CHANNEL CONDITIONS IN ADAPTIVE VIDEO MULTICAST AND BROADCAST SYSTEMS - A method and apparatus for providing channel condition feedback in a multicast network are described including estimating a indication of channel condition, determining a receiver class based on the estimated indication of channel condition, calculating a delay, delaying transmission of the estimated indication of channel condition for the calculated delay, receiving a report from another receiver in the determined receiver class, the report including an indication of channel condition and canceling the delay if the received indication of channel condition is one of greater than and equal to the estimated indication of channel condition. The method and apparatus further include transmitting a single report for the calculated receiver class to a server including a worst indication of channel condition for the determined receiver class. | 2010-04-22 |
20100098177 | RADIO TRANSMISSION DEVICE, CONTROL DEVICE, RADIO COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - A radio communication system converts a time domain signal into a plurality of frequency signals to be allocated onto a plurality of subcarriers to be transmitted. The radio communication system changes a method of allocating the plurality of frequency signals onto the plurality of subcarriers based on transmission power information. | 2010-04-22 |
20100098178 | METHOD AND SYSTEM OF INTERLEAVING FOR A MULTIPLE-INPUT MULTIPLE-OUTPUT MULTI-BAND OFDM COMMUNICATION SYSTEM - A multiple-input multiple-output multi-band OFDM transmission system ( | 2010-04-22 |
20100098179 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING ORTHOGONAL FREQUENCY DIVISION MULTIPLEX-BASED TRANSMISSIONS - A method and apparatus for transmitting and receiving orthogonal frequency division multiplex (OFDM)-based transmissions are disclosed. Control information may be transmitted at least one symbol prior to the corresponding data symbols so that a wireless transmit/receive unit (WTRU) has time to determine which parts of the subcarriers need to be received without having to buffer any corresponding data symbols. Control information related to frequency location of the data may be received in the first subframe and control information not related to the frequency location of the data may be received in the second subframe that includes the corresponding data. The offset between the control information and the data may be a fixed value, may be received from the network, or may be included in the control information preceding the corresponding data. | 2010-04-22 |
20100098180 | METHOD, APPARATUS AND TERMINAL DEVICE OF SYMBOL INTERLEAVING - A method and an apparatus of symbol interleaving are provided. A sequence S(i) is transformed to generate a symbol interleaving sequence. A numerical value of the sequence S(i) is corresponding to a serial number of a channel element (CE). The symbol interleaving sequence may also be obtained based on a Costas sequence. Therefore, the number of symbol groups in one CE that are mapped to the same physical resource position by different cells is effectively reduced, so that the effect of interference randomization between the cells is improved, the influence of the interference between the cells on the system performance is lowered, and the generation of the symbol interleaving sequence is simplified. | 2010-04-22 |
20100098181 | METHOD AND MOBILE COMMUNICATION STATION FOR COMMUNICATING OFDM SYMBOLS USING TWO OR MORE ANTENNAS - A method and mobile communication station for communicating orthogonal frequency division multiplexed (OFDM) symbols uses two or more antennas. The antenna parameters are set for beamforming, a transmit power level is initially set, and subcarrier modulation assignments are selected after the antenna parameters and the transmit power level are set to achieve a quality-of-service level for a particular application and data type of a service flow. The transmit power level may also be set based on a desired cell size. | 2010-04-22 |
20100098182 | Method and/or OFDM device for SC-FDMA data transmission - In a method and/or an OFDM device for SC-FDMA data transmission, a sequence of input data is transformed by means of a discrete transformation as transformed data signals of coded and modulated data signals on first frequency channels into a first frequency space over a first number of frequencies. The transformed data signals are mapped on second frequency channels in a second frequency space with a larger second number of frequencies. The transformed data signals on the second frequency channels are inverse-transformed using an inverse transformation. Data inversely transformed in such a way are provided for transmission. The transformed data signals are mapped into a frequency range of the second frequency channels in such a way that a constant component of the transformed data signals is mapped centrally within the frequency range. | 2010-04-22 |
20100098183 | Decoding System And Method For Digital Communications - A Viterbi decoding system interprets bits in received QAM constellations as many-valued parameters rather than binary valued parameters. It performs the Viterbi algorithm using these many-valued parameters to provide results superior to hard decision decoding. Rather than applying a hard 0-1 function to the QAM data, the system uses a non-stepped linear or curved transfer function to assign values to the bits. In another aspect, a system differentiates between data bits based on their estimated reliability, giving more emphasis to decoding reliable bits than unreliable bits using any of a variety of techniques. By differentiating between god and bad bits and de-emphasizing or ignoring unreliable bits, the system can provide a significant reduction in uncorrectable errors and packet loss. | 2010-04-22 |
20100098184 | TRANSMISSION METHOD FOR MULTIPLE ANTENNA SYSTEM - A transmission method for a multiple antenna system including a first device having M (>1) transmitting antennas and a second device having N (>1) receiving antennas is disclosed. The method includes determining whether there is a multiple-input multiple-output (MIMO) transmission scheme satisfying a condition that it consumes less energy than a single-input single-output (SISO) transmission scheme to transmit a frame at a given transmission power, among one or more MIMO transmission schemes available to the first device and the second device, the one or more MIMO transmission schemes being determined by the numbers of activated transmitting and receiving antennas, and MIMO code; determining a transmission mode as a MIMO mode when there is the at least one MIMO transmission scheme satisfying the condition, and otherwise determining the transmission mode as a SISO mode; and performing frame transmission from the first device to the second device in the determined transmission mode. Thus, frame transmission with power saving can be performed. | 2010-04-22 |
20100098185 | WIRELESS COMMUNICATIONS SYSTEM, TRANSMITTING APPARATUS AND RECEIVING APPARATUS - In a transmitter | 2010-04-22 |
20100098186 | UWB AMPLIFIER - A wireless communication device comprises an integrated circuit comprising electronic circuitry for performing wireless control functions. An external circuit, separate from the integrated circuit, is provided for performing a predetermined stage of a wireless control function, the external circuit comprising at least one discrete component. The at least one discrete component of the external circuit is controlled by one or more control signals received from the integrated circuit. As such, the invention makes use of a low cost external device as the input device in an integrated solution, thus benefiting from the improved performance of the external device while gaining the control and system benefits of a complex integrated solution. | 2010-04-22 |
20100098187 | DIVERSITY TRANSMITTER AND DIVERSITY TRANSMISSION METHOD - The present invention concerns a diversity transmitter, comprising: transmit symbol input means ( | 2010-04-22 |
20100098188 | IMPULSE NOISE MITIGATION - Systems and methods to mitigate impulse noise are provided. A particular method includes providing a signal from a transmission source to a mitigator. The mitigator checks the signal for complex impulse noise comprising at least a first periodic impulse noise component correlated to a first portion of a sinusoid representing frequency of an alternating current power source associated with the transmission source and a second periodic impulse noise component correlated to a second portion of the sinusoid. The method further includes receiving noise mitigation instructions from the mitigator at the transmission source to compensate for the complex impulse noise. | 2010-04-22 |