Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2014
07/03/2014WO2014104684A1 Constellation ratio for a hierarchical modulation signal
07/03/2014WO2014103267A1 Receiving apparatus and demodulation method
07/03/2014WO2014101787A1 Method and device for demodulating downlink subframe
07/03/2014WO2014101562A1 Multimode decoder implementation method and device
07/03/2014WO2014101541A1 Iq calibration compensation method and apparatus
07/03/2014WO2014101058A1 Multi-user multiple input multiple output communication method and base station
07/03/2014US20140185718 Method and apparatus for extracting the quadrature component of a complex signal from the in-phase component after baseband digitizing using a complex transform
07/03/2014US20140185716 Mimo Receiver Using Lattic Reduction and K-Best Detection
07/03/2014US20140185713 Ofdm receiver and ofdm communications system
07/03/2014US20140185712 Demodulation method and apparatus, decoding method and apparatus and baseband chip in communication system
07/03/2014US20140185711 Systems, methods, and devices for frequency-selective agc
07/03/2014US20140185709 Transmitter precoding for optimizing positioning performance
07/03/2014US20140185703 Wireless communications system, wireless communications apparatus, wireless communications method and computer program for wireless communication
07/03/2014US20140185702 Methods and apparatuses for multiple access in a wireless communication network using dct-ofdm
07/03/2014US20140185696 Peak-to-average power reduction method
07/03/2014US20140185695 Methods and arrangements for communications in low power wireless networks
07/03/2014US20140185694 Signal receiving device, semiconductor device, and signal receiving method
07/03/2014US20140185662 Methods and arrangements for phase tracking for multi-mode operation in wireless networks
07/03/2014US20140185661 High speed receivers circuits and methods
07/03/2014US20140185660 Wireless reception system and method for estimating channel effect thereof
07/03/2014US20140185657 Systems and methods for implementing soft-decision reed-solomon decoding to improve cable modem and cable gateway performance
07/03/2014US20140185653 Method and system for obtaining an idle spectrum
07/03/2014US20140185572 Carrier Grouping in Multicarrier Communications
07/02/2014EP2750368A2 Synchronisation method and system for DVB-S2 frames and related frame structure
07/02/2014EP2750314A2 Method, apparatus and system for transmitting and receiving service data
07/02/2014EP2750312A1 Communication method and radio transmitter
07/02/2014EP2748998A1 Device and method for controlling an input signal of a power amplifier
07/02/2014EP2748997A2 Communication system using wireless power
07/02/2014EP2748996A1 A method of converting an optical communications signal and an optical receiver
07/02/2014EP2748935A1 Adjusted transmission in xdsl
07/02/2014EP2748931A2 Methods and systems for demodulation using multiple demodulators
07/02/2014CN203691440U 调频波电力载波通讯模块 FM wave power line carrier communication module
07/02/2014CN203689674U 一种高度集成化的电力线载波通信芯片 A highly integrated chip power line carrier communication
07/02/2014CN103907377A 用于异构网络环境中的快速移动用户设备的移动性增强 For mobility in a heterogeneous network environment fast moving user equipment to enhance
07/02/2014CN103907326A 发送方法、接收方法、发送机以及接收机 Transmission method, a receiving method, a transmitter and a receiver
07/02/2014CN103907325A 在无线通信系统中允许终端执行随机接入步骤的方法及其装置 Allowing a terminal in a wireless communication system performing a random access procedure method and apparatus
07/02/2014CN103907324A 用于低功率无线网络中的通信的方法和设置 A method for low-power wireless communication network and setting
07/02/2014CN103907299A 通信系统、发送装置以及接收装置 Communication system, transmitting apparatus and a receiving means
07/02/2014CN103906247A 一种多级软时频复用和资源分配的方法、设备和系统 A frequency reuse and resource allocation methods, devices and systems at multi-level soft
07/02/2014CN103906115A 多用户下gge系统接收数据处理方法及处理装置 Gge multi-user system receives data processing method and processing device
07/02/2014CN103905931A 离散余弦（正弦）变换实现非对称截断光正交频分复用的方法 Discrete cosine (sine) transform asymmetric truncated optical orthogonal frequency division multiplexing method
07/02/2014CN103905371A 一种iq校准补偿方法和装置 One kind iq compensation method and apparatus for calibrating
07/02/2014CN103905370A 正交振幅调制信号的软解调方法和装置、移动终端 Soft demodulation method and apparatus of the quadrature amplitude modulated signal, the mobile terminal
07/02/2014CN103905369A 信噪比的估计方法和装置、移动终端 SNR estimation method and apparatus, the mobile terminal
07/02/2014CN103905368A 一种适合于fpga实现的高速通信并行数字调制方法 Which is suitable for high-speed communication parallel digital modulation method implemented fpga
07/02/2014CN103905367A 一种全频谱载波调制系统中提高频谱利用率的方法 The method of spectral efficiency of a full spectrum of carrier modulation systems to improve
07/02/2014CN103905366A 在接收机中处理广播信号的方法及处理广播信号的接收机 The method of processing a broadcast signal receiver in the receiver and processing broadcast signal
07/02/2014CN103905365A 一种基于时频扩展的低截获水声遥控方法 A low acoustic intercept remote method based on time-frequency extension
07/02/2014CN103905364A 一种lte/lte-a下行时频转换的系统及方法 One kind lte / lte-a system and method for downlink frequency conversion
07/02/2014CN103905363A 辅同步信号检测方法、装置和网络模式判断方法 Secondary synchronization signal detection method, apparatus and network mode determination method
07/02/2014CN103905362A 多载波通信系统中载波与取样频率偏移的估计方法与装置 Estimation method and the sampling frequency offset of the carrier and apparatus for multi-carrier communication system
07/02/2014CN103905361A 一种ofdm系统中的采样频率同步方法 Sampling frequency synchronization method one kind ofdm system
07/02/2014CN103905360A 加入“判极”操作的非合作bpsk信号解码方法 Adding "sentenced pole" non-cooperative bpsk signal decoding method of operation
07/02/2014CN103905359A 一种14443接口ook副载波解调方法和电路 One kind of interface ook 14443 subcarrier demodulation method and circuit
07/02/2014CN103905358A 一种改进型差分混沌键控dcsk保密通信方法 An Improved Differential Chaos Shift Keying dcsk Secure Communication
07/02/2014CN103905355A 一种虚拟时间反转水声ofdm信道均衡方法 A kind of virtual acoustic time reversal ofdm channel equalization method
07/02/2014CN103905351A 一种dvb-t2信道估计方法及系统 One kind dvb-t2 channel estimation method and system
07/02/2014CN103905350A 一种ofdm系统中基于s-ifft的信道估计方法 One kind of ofdm system channel estimation method based on the s-ifft
07/02/2014CN103905349A 一种基于时域信道均衡的ofdm-tdcs的接收方案 A reception scheme based on time-domain channel equalization of ofdm-tdcs
07/02/2014CN103905348A 基于相关函数线性预测和泰勒分解的双阶段频率估计方法 Frequency estimation method based on linear prediction and correlation function of the two-stage decomposition Taylor
07/02/2014CN103905347A 一种基于二重加权的ofdm系统快变信道估计方法 Based on two heavy-weighted fast changing ofdm system channel estimation method
07/02/2014CN103905144A 十六电平高速窄带调制解调器 Sixteen-level narrow-band high-speed modem
07/02/2014CN103905083A 采用频分复用的通信系统的导频传送和信道估计 Communication system using frequency division multiplexing of a pilot transmission and channel estimation
07/02/2014CN103902133A 电磁触控接收装置和方法 Receiving apparatus and method for electromagnetic touch
07/02/2014CN102624662B 一种适用于dmr数字集群通信系统的非相干检测方法 Non-coherent detection method is suitable for dmr digital trunking communication system
07/02/2014CN102624658B 基于压缩感知理论的tds-ofdm传输方法 Based on compressed sensing theory tds-ofdm transmission method
07/02/2014CN102420796B 通信终端及其噪声估计方法和装置 Communication terminal and noise estimation method and apparatus
07/02/2014CN102404080B 控制信道信息传送方法 Channel information transmitting method
07/02/2014CN102394721B 一种软符号到软比特的有效映射算法 A soft symbol to soft bit of valid mapping algorithm
07/02/2014CN102387113B 一种应用于ofdm中的数字自动增益控制快速调整方法 Applied to ofdm digital AGC quick adjustment method
07/02/2014CN102377712B 辅同步信号检测方法和装置 Secondary synchronization signal detection method and apparatus
07/02/2014CN102340473B 一种噪声信号的估计装置及方法 A noise estimation apparatus and method for a signal
07/02/2014CN102282817B 用于接收和发送应答/无应答信息的方法 For receiving and transmitting the response / non-response information methods
07/02/2014CN102273157B 用于执行正交频分复用通信系统中的初始载波频率偏移的方法和设备 For performing an orthogonal frequency division multiplexing communication system, an initial carrier frequency offset method and apparatus
07/02/2014CN102244627B 一种cmmb粗定时同步装置及实现方法 One kind cmmb coarse timing synchronization device and Implementation
07/02/2014CN102215195B 一种用于卫星导航信号的AltDBOC调制方法 AltDBOC modulation method for a satellite navigation signal
07/02/2014CN102158437B 信道频域相关性计算设备及方法 Channel frequency-domain correlation computing device and method
07/02/2014CN102118861B 一种多载波系统下的载波管理方法和演进型基站 Carrier management methods and the eNB under a multi-carrier system
07/02/2014CN102065048B Ofdm帧同步、频率同步、符号细同步的时域联合估计方法 Estimation Method Ofdm frame synchronization, frequency synchronization, symbol fine synchronization of time-domain
07/02/2014CN102045288B 一种控制时频同步的方法和系统 Method and system for controlling the time and frequency synchronization
07/02/2014CN102036267B 一种e-hich的联合检测方法和装置 One kind of joint detection method and apparatus of e-hich
07/02/2014CN102026278B E-hich的检测方法及装置 E-hich detection method and apparatus
07/02/2014CN102025426B 正交频分复用系统中估计载波干扰噪声比的方法及装置 Orthogonal frequency division multiplexing system, the estimated carrier to interference noise ratio by a method and apparatus
07/02/2014CN101997621B 一种载波干扰噪声比的测量方法及装置 A carrier interference noise ratio measurement method and apparatus
07/02/2014CN101924724B 同步接入序列的设计方法及装置 Method and apparatus for synchronizing access design sequence
07/02/2014CN101895854B 一种实现中继链路控制格式指示信息传输的方法和装置 A method and apparatus for relaying information transmission link control format indicator to achieve
07/02/2014CN101814931B Td-scdma系统中多普勒频移估计和补偿的方法 Td-scdma system Doppler shift estimation and compensation methods
07/02/2014CN101814927B 一种多模全频段的射频发射装置及方法 A multi-mode RF transmitter apparatus and method of the whole band
07/02/2014CN101809958B 生成支持各种尺寸的基于格雷的系统性块码 Generate support for a variety of sizes based on a systematic block code Gray
07/02/2014CN101651926B 通信系统下行链路接收机中的激活窗检测方法和装置 Downlink receiver in a communication system, the method and apparatus for detecting activation of the window
07/02/2014CN101646232B 频偏估计方法、装置以及通信设备 Offset estimation method, apparatus and communications equipment
07/02/2014CN101601248B 在无线分组数据的多用户环境中分配实时业务传输的信道 Allocation in a multi-user environment in real-time wireless packet data service transmission channel
07/01/2014US8768994 Filter auto-calibration using multi-clock generator
07/01/2014US8768175 Four-dimensional optical multiband-OFDM for beyond 1.4Tb/s serial optical transmission
07/01/2014US8768173 Optical receiver and optical transmission system
07/01/2014US8767894 Wireless device and receiving method
07/01/2014US8767893 Method and apparatus for eliminating the effects of frequency offsets in a digital communication system
07/01/2014US8767892 Synchronization system for a wireless receiver
07/01/2014US8767891 Reception signal integrating method and receiver
07/01/2014US8767890 Apparatus and method for analyzing identification signal based on partial correlation
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