| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 04/18/2012 | EP2442512A1 Apparatus and method for reducing peak to average power ratio in an orthogonal frequency division multiplexing system |
| 04/18/2012 | EP2442511A1 Orthogonal frequency division multiplexing symbol distributing method and system for multimedia broadcast multicast service single frequency network sub-frame |
| 04/18/2012 | EP2442508A2 The use of training sequences in cellular radio telephony |
| 04/18/2012 | EP2442507A1 Channel estimation method using an improved Expectation Maximization (EM-)Algorithm |
| 04/18/2012 | EP2442457A2 Method and apparatus for preamble training in a multiple antenna communication system |
| 04/18/2012 | EP2441224A2 Systems and methods for intelligent discard in a communication network |
| 04/18/2012 | EP2441223A1 Method and devices for transmitting and receiving multi-carrier symbols |
| 04/18/2012 | EP2441179A1 Transmitter and method for applying multi-tone ofdm based communications within a lower frequency range |
| 04/18/2012 | EP2210346B1 Interfering stream identification in wireless communication systems |
| 04/18/2012 | EP1927194B1 Establishing additional reverse link carriers in multi-carrier wireless system |
| 04/18/2012 | EP1774684B1 Receiver and method for receiving a digital signal |
| 04/18/2012 | EP1559281B1 Method and apparatus for adaptive carrier allocation and power control in multi-carrier communication systems |
| 04/18/2012 | CN1965518B 用于在使用多发送天线的正交频分复用蜂窝通信系统中的信道估计的装置和方法 Apparatus and method for using multiple transmission antennas using orthogonal frequency division multiplexing estimate of a cellular communication system, a channel |
| 04/18/2012 | CN1939027B 用于接收多个异步数据流的设备、系统和方法 Receiving a plurality of asynchronous data stream devices, systems, and methods for |
| 04/18/2012 | CN1937444B 多信道通信系统内确定用于选择传输信道的阈值的方法和装置 In the multi-channel communication system to determine a threshold for selecting a transmission channel, a method and apparatus for |
| 04/18/2012 | CN1853392B 正交频分多路复用系统等中的信道估算反馈 Orthogonal frequency division multiplexing systems in the feedback channel estimation |
| 04/18/2012 | CN1826784B 用于使用不同波形编码的系统和装置 Systems using different waveforms and apparatus for encoding |
| 04/18/2012 | CN1781292B Method of demodulating ofdm-type signals in the presence of strong co-channel interference signals |
| 04/18/2012 | CN1710897B Reader device, its transmission method, and tag |
| 04/18/2012 | CN1701530B Transmission apparatus and method for use in mobile communication system based on orthogonal frequency division multiplexing scheme |
| 04/18/2012 | CN1518336B Electronic camera |
| 04/18/2012 | CN102422663A Method and apparatus for transmitting positioning reference signal in wireless communication system |
| 04/18/2012 | CN102422635A 存在频率偏移情况下dvb-t/h传输的鲁棒感测 Sensing the presence of a frequency offset of the robust case dvb-t / h transmissions |
| 04/18/2012 | CN102422634A Robust sensing of DVB-T/H transmissions |
| 04/18/2012 | CN102422614A Method for encoding control information in a communication system, and method and apparatus for transmitting and receiving the control information |
| 04/18/2012 | CN102422564A 用于实现改善的频域信道估计的信号消隐 For realizing the improvement of the signal frequency domain channel estimate blanking |
| 04/18/2012 | CN102422562A 用于回波消去中继器的插入导频构造 Echo canceling for inserting a pilot relay structure |
| 04/18/2012 | CN102422560A 用于中继增强通信系统中的比特重新映射的装置和方法 Apparatus and method for relay-enhanced communication system for remapping a bit |
| 04/18/2012 | CN102422528A RF amplifier with digital filter for polar transmitter |
| 04/18/2012 | CN102421181A 基于认知无线电系统中的子频带功率分配方法 Cognitive radio systems based on sub-band power allocation method |
| 04/18/2012 | CN102421123A 一种lte系统中检测邻区带宽的方法和装置 Method and apparatus for detecting a neighborhood lte system bandwidth |
| 04/18/2012 | CN102421104A 混合无线网络中的网络选择与信道资源配置方法 Mixed wireless network network selection and channel resource allocation method |
| 04/18/2012 | CN102420796A Communication terminal, and noise estimation method and device thereof |
| 04/18/2012 | CN102420795A 应用于ofdm系统中的信道估计自适应的切换方法 Applied ofdm system channel estimation adaptive switching method |
| 04/18/2012 | CN102420794A 4M transmission method of OFDM structure of satellite CMMB system |
| 04/18/2012 | CN102420793A 一种数字通信接收机时间和载波频率同步的跟踪控制方法 A digital communication receiver time synchronization and carrier frequency tracking control method |
| 04/18/2012 | CN102420792A 基于变长-迭代运算的单音信号频率估计方法 Based on Variable Length - iteration tone signal frequency estimation method |
| 04/18/2012 | CN102420791A 标志位差分脉冲位置调制方法和调制装置 Flag differential pulse position modulation method and modulation device |
| 04/18/2012 | CN102420685A Method and device for transmitting control information |
| 04/18/2012 | CN102420670A Apparatus and method for data communication using radio frequency |
| 04/18/2012 | CN101860427B 多载波hsdpa的业务传输信道编码方法和编码装置 Traffic transmission channel coding method and coding apparatus of multicarrier hsdpa |
| 04/18/2012 | CN101714965B 符号定时方法/装置、细频偏估计方法/装置 Symbol timing methods / devices, fine frequency estimation methods / devices |
| 04/18/2012 | CN101677304B 一种下行公共导频的配置方法 A configuration of downlink common pilot |
| 04/18/2012 | CN101626361B 高速数据分组接入系统中的解调方法和解调器 High speed data packet access system demodulation method and a demodulator |
| 04/18/2012 | CN101610585B 以参考信号为基础用于无线通信装置的方法及该无线装置 To the reference signal based wireless communication apparatus and a method for the wireless device |
| 04/18/2012 | CN101610228B 基于最小均方自适应滤波法的小波包调制系统的多音干扰抑制方法 Based on the minimum mean square adaptive filtering method based on wavelet packet multi-tone modulation system interference suppression method |
| 04/18/2012 | CN101499989B 一种时分双工系统中检测循环前缀长度的方法 A method of time division duplex system detects the length of the cyclic prefix |
| 04/18/2012 | CN101478355B 无线数据系统解码器及其解码方法 Radio Data System decoder and decoding method |
| 04/18/2012 | CN101442520B 无线通信系统上行链路中的定时同步方法 Timing synchronization method for a wireless communication system, the uplink |
| 04/18/2012 | CN101411154B Ofdma音调干扰抵消的方法 Ofdma tone interference cancellation method |
| 04/18/2012 | CN101359945B 一种降低峰均比的方法及装置 Method and apparatus for reducing the PAPR |
| 04/18/2012 | CN101350665B 大带宽无线通信系统中终端的同步方法及组帧方法 Synchronization method in a wireless communication system a large bandwidth and the framing method of the terminal |
| 04/18/2012 | CN101291308B 一种基于二维内插的自适应信道均衡器及方法 An adaptive channel equalizer and a method based on two-dimensional interpolation |
| 04/18/2012 | CN101282318B 一种新的ofdm系统前缀序列的发送与接收方法 The method of sending and receiving a new prefix sequence ofdm system |
| 04/18/2012 | CN101222730B Csit收集方法、跨层调度算法及其系统和设备 Csit collection methods, cross-layer scheduling algorithm and its systems and equipment |
| 04/17/2012 | US8160458 Optical phase-modulation evaluating device |
| 04/17/2012 | US8160196 Networking methods and systems |
| 04/17/2012 | US8160189 Method and system for communication channel characterization |
| 04/17/2012 | US8160186 Variable bandwidth automatic gain control |
| 04/17/2012 | US8160185 Apparatus for synchronizing OFDM signal using open-loop frequency synchronization method and frequency offset estimation scheme using the apparatus |
| 04/17/2012 | US8160184 Radio clock and method for extracting time information |
| 04/17/2012 | US8160183 Receiver spatial processing for eigenmode transmission in a MIMO system |
| 04/17/2012 | US8160182 Symbol detector and sphere decoding method |
| 04/17/2012 | US8160180 Method and apparatus for transmitting high speed data by spectral decomposition of the signaling space |
| 04/17/2012 | US8160178 Transmitter |
| 04/17/2012 | US8160176 Compensating pre-filter for an OFDM transmitter |
| 04/17/2012 | US8160175 Quasi-pilot symbol substitution |
| 04/17/2012 | US8160174 Signal detection method and receiver |
| 04/17/2012 | US8160173 Communication system |
| 04/17/2012 | US8160168 Method and system for efficient transmission and reception of RF energy in MIMO systems using polar modulation and direct digital frequency synthesis |
| 04/17/2012 | US8160167 Radio transmitting apparatus, radio receiving apparatus and method therefor |
| 04/17/2012 | US8160164 Wireless communication unit and method for channel estimation |
| 04/17/2012 | US8160126 Method, device and system for upstream power back-off in digital subscriber line |
| 04/17/2012 | US8160122 Method and system for uplink communication |
| 04/17/2012 | US8160121 System and method for distributed input-distributed output wireless communications |
| 04/17/2012 | US8159969 Systems and methods for high rate OFDM communications using first and second cyclic prefix lengths |
| 04/17/2012 | US8159929 Low complexity high performance TMCC acquisition in ISDB-T and ISDB-TBS receivers |
| 04/17/2012 | US8159288 Low power BPSK demodulator |
| 04/17/2012 | CA2679640C Device and method for determining a transmission performance of sub-channels |
| 04/17/2012 | CA2600467C Systems and methods for beamforming in multi-input multi-output communication systems |
| 04/17/2012 | CA2592758C Apparatus and method for transmitting/receiving channel quality information in a communication system |
| 04/12/2012 | WO2012047140A1 Time slot sharing in tdma communication system |
| 04/12/2012 | WO2012047051A2 Method and apparatus for generating control packet |
| 04/12/2012 | WO2012047038A2 Method for transmitting control information and device therefor |
| 04/12/2012 | WO2012046988A2 Method and apparatus for transmitting and receiving codebook subset restriction bitmap |
| 04/12/2012 | WO2012046987A2 Multiple input multiple output transmission method in a digital video broadcasting system and device for supporting same |
| 04/12/2012 | WO2012046956A2 Method and apparatus for preventing inter-cell interference in a heterogeneous network system |
| 04/12/2012 | WO2012045448A1 Dynamic pilot placement |
| 04/12/2012 | WO2012045213A1 Method and device for multiple input multiple output configuration in multiple carrier system |
| 04/12/2012 | US20120087448 System and method for acquisition of signals |
| 04/12/2012 | US20120087447 Apparatus and method for estimating high speed frequency offset in wireless communication system |
| 04/12/2012 | US20120087446 Systems and methods for sparse error removal in communications systems |
| 04/12/2012 | US20120087445 Control Modules |
| 04/12/2012 | US20120087444 Secure Information Transfer Based on Global Position |
| 04/12/2012 | US20120087443 Event Handling in a Radio Circuit |
| 04/12/2012 | US20120087442 Design aspects to support lte-a downlink hi-order mimo |
| 04/12/2012 | US20120087441 Method and apparatus for optimizing transmitter power efficiency |
| 04/12/2012 | US20120087440 Method and Apparatus for Data Transmission Based on Coordinated Multiple Point Transmission |
| 04/12/2012 | US20120087439 Modulation Method and Apparatus |
| 04/12/2012 | US20120087438 Integrated circuit for radio transmission |