| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 05/17/2007 | US20070113142 Method and system for providing low density parity check (LDPC) encoding |
| 05/17/2007 | US20070111680 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system |
| 05/17/2007 | US20070110220 Distributed control of carrier frequency in multipoint-to-point orthogonal frequency division multiplexing communication |
| 05/17/2007 | US20070110194 Method of defining semiconductor fabrication process utilizing transistor inverter delay period |
| 05/17/2007 | US20070110193 Automatic gain control with out of band blocking signal compensation |
| 05/17/2007 | US20070110192 Method of communicating between control devices of a load control system |
| 05/17/2007 | US20070110191 Method and apparatus for normalizing input metric to a channel decoder in a wireless communication system |
| 05/17/2007 | US20070110190 Digital apparatus for soft detection of multi-chip dbpsk signals |
| 05/17/2007 | US20070110189 Apparatus and method for improving symbol error rate performance of M-ary phase shift keying system having quadrature error |
| 05/17/2007 | US20070110188 Signal decoding method and device, and signal storage system |
| 05/17/2007 | US20070110184 Apparatus and method for conditioning a modulated signal in a communications device |
| 05/17/2007 | US20070110183 Offset compensation device |
| 05/17/2007 | US20070110182 Impulse generating device, communication device, and a computer-readable recording medium recording an impulse control program thereon |
| 05/17/2007 | US20070110181 Multi-frequency wireless transmitter |
| 05/17/2007 | US20070110175 Phase And Frequency Control Of An OFDM Receiver By Means Of Pilot Phase-Value Estimation |
| 05/17/2007 | US20070110173 Cofdm demodulator with an optimal fft analysis window positioning |
| 05/17/2007 | US20070110172 Channel estimation for ofdm systems |
| 05/17/2007 | US20070110149 Frequency offset differential pulse position modulation |
| 05/17/2007 | US20070110148 Search engine for a receive equalizer |
| 05/17/2007 | US20070110127 Method and apparatus for deriving a channel impulse response estimate for a wireless channel |
| 05/17/2007 | US20070110096 Contention-based access to tones in orthogonal frequency division multiplexing (ofdm) waveform |
| 05/17/2007 | US20070109450 Signal processing apparatus and control method thereof |
| 05/17/2007 | US20070109262 Ofdm signal transmission system, portable terminal, and e-commerce system |
| 05/17/2007 | US20070109161 Reception apparatus and reception method |
| 05/16/2007 | EP1786194A1 ADSL communication method |
| 05/16/2007 | EP1786165A1 Clock regeneration circuit |
| 05/16/2007 | EP1786164A1 Method and apparatus for communicating data upon multiple radio carriers |
| 05/16/2007 | EP1786163A1 Filter equalization using magnitude measurement data |
| 05/16/2007 | EP1786148A1 A method for data transferring between exchanger and terminal, fsk process module, terminal and exchanger thereof |
| 05/16/2007 | EP1786118A1 Method and apparatus for utilizing channel state information in a wireless communication system |
| 05/16/2007 | EP1784923A2 Interference cancellation system |
| 05/16/2007 | EP1702445B1 Modulation and demodulation of ofdm signals |
| 05/16/2007 | EP1685653B1 Signal regeneration |
| 05/16/2007 | EP0885510B1 Method and apparatus for routing a digitized rf signal to a plurality of paths |
| 05/16/2007 | CN2901708Y Multiple frequency multiple carrier test signal source radio frequency module |
| 05/16/2007 | CN1965554A Multicarrier communication system and methods for link adaptation using uniform bit loading and subcarrier puncturing |
| 05/16/2007 | CN1965553A Apparatus and method for generating an error signal |
| 05/16/2007 | CN1965522A Transmitting signals via at least two channels simultaneously |
| 05/16/2007 | CN1965518A Apparatus and method for channel estimation in an orthogonal frequency division multiplexing cellular communication system using multiple transmit antennas |
| 05/16/2007 | CN1965516A Multicarrier transmitter apparatus, multicarrier receiver apparatus, multicarrier transmitting method, and multicarrier receiving method |
| 05/16/2007 | CN1965498A Fext确定系统 Fext determine system |
| 05/16/2007 | CN1965492A A transmitter and receiver for ultra-wideband OFDM signals employing a low-complexity CDMA layer for bandwidth expansion |
| 05/16/2007 | CN1965491A System for synchronizing a portable transceiver to a network |
| 05/16/2007 | CN1964570A A call method and call system |
| 05/16/2007 | CN1964548A A method for multiplexing of soft frequency |
| 05/16/2007 | CN1964488A A method and device for carrying out coding using correlation between video signal frames in video code processing |
| 05/16/2007 | CN1964486A A method to quantify difference for video code processing and its device |
| 05/16/2007 | CN1964342A Circuit and method for resuming carrier wave |
| 05/16/2007 | CN1964341A A method to estimate frequency offset for receiving end of MIMO orthogonal frequency division multiplexing system |
| 05/16/2007 | CN1964340A Method and apparatus for encoded signal mapping for multi-carrier communication |
| 05/16/2007 | CN1964339A Software radio-based OFDM transmitting and receiving machine able to upgrade |
| 05/16/2007 | CN1964338A A method for channel forecast |
| 05/16/2007 | CN1964337A An estimation method for frequency offset |
| 05/16/2007 | CN1964336A System for transmitting single carrier and transmitting method thereof |
| 05/16/2007 | CN1964335A System for transmitting single carrier and transmitting method thereof |
| 05/16/2007 | CN1964334A Method for adaptively tuning an equalizer |
| 05/16/2007 | CN1964240A 通信系统 Communication System |
| 05/16/2007 | CN1964221A An access system and method for orthogonal frequency division multiplexing of wireless transfer communication |
| 05/16/2007 | CN1964216A MIMO system with multiple base station |
| 05/16/2007 | CN1964215A A method to realize transmitter identification |
| 05/16/2007 | CN1964203A An estimation and search method for channel path of multi-path fading channel |
| 05/16/2007 | CN1316807C Device and method for compensating error of analog integral modulator |
| 05/16/2007 | CA2568090A1 Continuous phase frequency shift keying modulation during wireless transmissions in a closed system while minimizing power consumption |
| 05/15/2007 | US7218901 Automatic frequency control of multiple channels |
| 05/15/2007 | US7218898 Apparatus and method for frequency generation in mobile communication system |
| 05/15/2007 | US7218693 Method and apparatus for channel estimation in a packet based transmission system having reduced complexity |
| 05/15/2007 | US7218691 Method and apparatus for estimation of orthogonal frequency division multiplexing symbol timing and carrier frequency offset |
| 05/15/2007 | US7218690 Hybrid turbo-mud for multiple access systems |
| 05/15/2007 | US7218689 Method and apparatus for determining the log-likelihood ratio with precoding |
| 05/15/2007 | US7218688 Data slicer |
| 05/15/2007 | US7218685 Direct conversion receiver |
| 05/15/2007 | US7218684 Method and system for code reuse and capacity enhancement using null steering |
| 05/15/2007 | US7218682 Methods and apparatus for synchronously combining signals from plural transmitters |
| 05/15/2007 | US7218681 Method and apparatus for cross-talk mitigation through joint multiuser adaptive pre-coding |
| 05/15/2007 | US7218679 Communication apparatus and communication method |
| 05/15/2007 | US7218678 Digital data transmitter |
| 05/15/2007 | US7218677 Variable-length encoding apparatus and method |
| 05/15/2007 | US7218667 Radio reception apparatus and radio reception method |
| 05/15/2007 | US7218665 Deferred decorrelating decision-feedback detector for supersaturated communications |
| 05/15/2007 | US7218642 Methods and systems for high speed broadband digital link |
| 05/15/2007 | US7218624 User equipment and base station performing data detection using a scalar array |
| 05/15/2007 | US7218604 Orthogonal frequency division multiplexing system with differing control parameters corresponding to different data points in a single symbol |
| 05/15/2007 | US7218359 Digital television receiver and method of recovering incoming digital television signal |
| 05/15/2007 | US7218258 Method and system for mixed analog-digital automatic gain control |
| 05/10/2007 | WO2007053842A2 Methods and apparatus for determining timing in a wireless communication system |
| 05/10/2007 | WO2007052995A1 Method for using flexible bandwidth in ofdma-based cognitive radio system, base station and subscriber station using the same |
| 05/10/2007 | WO2007052983A1 Method and system for providing adaptive modulation and coding in a multi-carrier wireless network |
| 05/10/2007 | WO2007052812A1 Apparatus and method for deciding uplink transmission parameters |
| 05/10/2007 | WO2007052717A1 Image suppression receiver |
| 05/10/2007 | WO2007052456A1 Am receiving apparatus and am receiving method |
| 05/10/2007 | WO2007052399A1 Wireless transmitter, signal to subcarrier allocation method for synchronizing symbol, and wireless receiver |
| 05/10/2007 | WO2007052380A1 Photoreceptor using mach-zehnder interferometer |
| 05/10/2007 | WO2007052150A1 Method and system for transmitting a signal to a communication device in a cellular communication system |
| 05/10/2007 | WO2007052129A1 Systems, methods, and apparatus for mitigation of nonlinear distortion |
| 05/10/2007 | WO2007052115A2 Signal arrangement for multi-bandwidth ofdm system |
| 05/10/2007 | WO2007052113A2 Pilot sequence detection |
| 05/10/2007 | WO2007052107A2 A multicarrier pilot structure for reliable frame detection |
| 05/10/2007 | WO2007051933A1 Method and system for measuring the occupation and allocation of a transmission spectrum |
| 05/10/2007 | WO2007035738A3 Baseband compensation of an offset phase locked loop |
| 05/10/2007 | WO2007021796A3 Channel and interference estimation in single-carrier and multi-carrier frequency division multiple access systems |