| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 05/27/2009 | EP2062413A2 Design for the realistic simulation of a frequency spectrum |
| 05/27/2009 | EP2062412A1 Unequal-error protection bit loading for multicarrier transmission |
| 05/27/2009 | EP2062411A1 System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (ofdm) with selected subcarriers turned on or off |
| 05/27/2009 | EP2062410A1 System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (ofdm) |
| 05/27/2009 | EP2062409A2 Downlink control channel signaling in wireless communication systems |
| 05/27/2009 | EP2062408A1 Method and apparatus for transmitting uplink signal, and method and apparatus for generating uplink signal in communication system |
| 05/27/2009 | EP2062407A1 Apparatus and method for wireless communications |
| 05/27/2009 | EP2062387A2 Apparatus, method and computer program product providing soft decision generation with lattice reduction aided mimo detection |
| 05/27/2009 | EP1661345A4 System and method for an upconverter for stacked intermediate frequency carriers |
| 05/27/2009 | EP1611724B1 Method and apparatus for performing linearization in a quadrature transmitter |
| 05/27/2009 | EP1540817A4 Cck demodulation via symbol decision feedback equalizer |
| 05/27/2009 | EP1477002A4 Dsp-based variable aperture code generation technique |
| 05/27/2009 | EP1260075B1 Method for coded modulation taking account of the error sensitivity of the user data and encrypting said data after coding |
| 05/27/2009 | EP1232600B1 Multi-carrier transmission system and method |
| 05/27/2009 | CN101444137A Random access channel for OFDM-MIMO system |
| 05/27/2009 | CN101444129A Method and apparatus for communication system |
| 05/27/2009 | CN101444099A Frequency translation module data clamp |
| 05/27/2009 | CN101444060A Method of transmitting and receiving data using superpostion modulation in a wireless communication system |
| 05/27/2009 | CN101444059A Frequency hopping of pilot tones |
| 05/27/2009 | CN101444058A Method and apparatus for distributing multi-carrier |
| 05/27/2009 | CN101444057A Closed-loop MIMO systems and methods |
| 05/27/2009 | CN101444055A Delay-Doppler channel response demodulation method and apparatus |
| 05/27/2009 | CN101444022A System and method of calculating noise variance |
| 05/27/2009 | CN101442806A Method for reducing ascending resource assignation overhead |
| 05/27/2009 | CN101442520A Timing synchronization method for radio communication system uplink |
| 05/27/2009 | CN101442512A Method for recognizing OFDM signal |
| 05/27/2009 | CN101442511A Method and apparatus for improving radio frequency index of zero intermediate frequency transmitter |
| 05/27/2009 | CN101442510A Multi-standard analog-to-digital data conversion |
| 05/27/2009 | CN101442508A Method and apparatus for implementing power time curve of zero intermediate frequency TDMA transmitter |
| 05/27/2009 | CN101442507A Method and system (of) fusion of WiMAX network and 3GPP network |
| 05/27/2009 | CN101442391A Method for processing receiving terminal signal and apparatus for receiving signal |
| 05/27/2009 | CN101442382A Method for determining modulation encoded mode of rapid feedback channel |
| 05/27/2009 | CN101442381A Method for transmitting and receiving business, relevant apparatus and system |
| 05/27/2009 | CN101442360A Time synchronization method and apparatus |
| 05/27/2009 | CN101442354A Transmission and receive method, transmitter and receiver |
| 05/27/2009 | CN101442336A Method and apparatus for reducing peak-to-average ratio |
| 05/27/2009 | CN100493064C Method for estimating OFDM integer frequency shift based on virtual subcarrier and frequency domain differential sequence |
| 05/27/2009 | CN100493063C System and method for generating and detecting identification sequence of band limited transmitter |
| 05/27/2009 | CN100493062C Weak energy parallel Barker code frame synchronous method |
| 05/27/2009 | CN100493061C Method of detecting signal by combining compensate of frequency deviation for orthogonal packet in MC-CDMA downlink chain |
| 05/27/2009 | CN100493060C Method for assigning resources of time frequency in communication system |
| 05/27/2009 | CN100493059C Frequency searcher and frequency-locked data demodulator using programmable rotor |
| 05/27/2009 | CN100493058C Discrete multi-audio frequency modulating system optimal power distributing comprehensive bit position loading method |
| 05/27/2009 | CN100493057C Channel estimation method for solving OFDM interception position hopping using rotating technology |
| 05/27/2009 | CN100493056C Frequency domain channel estimation method of crossing frequency division multiplexing system with time-domain enveloping weighting |
| 05/27/2009 | CN100493055C Programmable device based estimation and balancing apparatus and method for OFDM channels |
| 05/27/2009 | CN100493052C Method for channel evaluating of weak energy parallel PN sequence |
| 05/27/2009 | CN100492965C 序列产生器 Sequence generator |
| 05/27/2009 | CN100492956C Space-time block code MT-CDMA system uplink transmitting and receiving method |
| 05/27/2009 | CN100492946C A feedback information transmission method of adaptive OFDM system |
| 05/27/2009 | CN100492513C Adaptive equalizing apparatus and method |
| 05/26/2009 | US7539794 PRBS generator selection in modem communication |
| 05/26/2009 | US7539501 High data throughput wireless local area network receiver |
| 05/26/2009 | US7539273 Method for separating interfering signals and computing arrival angles |
| 05/26/2009 | US7539272 Frequency error estimation and correction in a SAIC linear equalizer |
| 05/26/2009 | US7539271 System and method for multi-band ultra-wide band signal generators |
| 05/26/2009 | US7539270 Method and apparatus to interleave bits across symbols from different constellations |
| 05/26/2009 | US7539269 Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers |
| 05/26/2009 | US7539268 Transmission/reception arrangement and method for reducing nonlinearities in output signals from a transmission/reception arrangement |
| 05/26/2009 | US7539267 Impulse radio systems with multiple pulse types |
| 05/26/2009 | US7539266 Phase shift keying wireless communication apparatus and method |
| 05/26/2009 | US7539265 Multiple-input multiple-output code division multiple access (MIMO-CDMA) wireless communication equipment |
| 05/26/2009 | US7539260 Detecting the number of transmit antennas in wireless communication systems |
| 05/26/2009 | US7539259 OFDM channel estimation and tracking for multiple transmit antennas |
| 05/26/2009 | US7539255 Using multiple pilot signals for timing error estimation in digital subscriber line communications |
| 05/26/2009 | US7539254 Method and system for optimal bitloading in communication and data compression systems |
| 05/26/2009 | US7539253 Interpolation in channel state feedback |
| 05/26/2009 | US7539252 Communications system with baseband pilot injected carrier (BPIC) modulation/demodulation and frame recovery and related methods |
| 05/26/2009 | US7539251 Communications system with selective baseband pilot injected carrier (BPIC) and input data modulation and related methods |
| 05/26/2009 | US7539238 Extended algorithm data estimator |
| 05/26/2009 | US7539217 Multi-carrier signal transmitter and multi-carrier signal receiver |
| 05/26/2009 | US7539172 System and method for data scrambling to reduce the crest factor in an OFDM waveform |
| 05/26/2009 | US7539126 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system |
| 05/26/2009 | US7539123 Subcarrier puncturing in communication systems |
| 05/26/2009 | US7537167 Modular, portable data processing terminal for use in a radio frequency communication network |
| 05/26/2009 | CA2398601C Method and circuit for providing interface signals between integrated circuits |
| 05/22/2009 | WO2009064570A1 Random reuse based control channels |
| 05/22/2009 | WO2009064554A2 Method and apparatus for encoding a modulated signal in a communication system |
| 05/22/2009 | WO2009064392A2 Method and apparatus for enhancing signal carrier performance in wireless networks |
| 05/22/2009 | WO2009064134A2 Method and system for transmitting and receiving signals |
| 05/22/2009 | WO2009063098A1 Method and device for the digital transmission and reception of information signals |
| 05/22/2009 | WO2009063033A2 Modem with improved receive power for connection to a two-wire current loop and measuring transducer, position controller and input and output unit comprising said modem |
| 05/22/2009 | WO2009062847A1 Radio frequency transmitter |
| 05/22/2009 | WO2009062500A1 Fsk receiver for a hearing aid and a method for processing an fsk signal |
| 05/22/2009 | WO2009045076A3 Method and apparatus for allocating resources of a control channel in a mobile communication system using orthogonal frequency division multiplexing |
| 05/22/2009 | WO2009044176A3 Method and device of transmitting an ofdm signal |
| 05/22/2009 | WO2009040747A3 Change of pilot symbol pattern |
| 05/22/2009 | WO2009040739A3 System and method for improving signaling channel robustness |
| 05/22/2009 | WO2009040623A3 A self-adaptive frequency interpolar for use in a multi-carrier receiver |
| 05/22/2009 | WO2009038662A3 Monolithic dqpsk receiver |
| 05/22/2009 | WO2009035495A3 Optimal coherent demodulation for d-psk |
| 05/22/2009 | WO2009035306A3 Apparatus and method for communication using near golay sequence |
| 05/22/2009 | WO2009031863A3 Method and system for transmitting and receiving signals |
| 05/22/2009 | WO2009031805A3 Method of transmitting and receiving a signal and apparatus for transmitting and receiving a signal |
| 05/22/2009 | WO2009027953A3 Differential channel quality reporting |
| 05/22/2009 | WO2009027261A3 Estimating a signal-to-interference ratio in a receiver of a wireless communications system |
| 05/22/2009 | WO2008057891A3 Apparatus and methods for communicating system state information change to devices for wireless communication |
| 05/22/2009 | WO2007051190A8 Allocation of pilot pattern adapted to channel characteristics for an ofdm system |
| 05/22/2009 | CA2705382A1 An fsk receiver for a hearing aid and a method for processing an fsk signal |
| 05/22/2009 | CA2705121A1 Random reuse based control channels |