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)
05/2012
05/31/2012WO2012044021A3 Method and apparatus for efficient feedback in a wireless communication system that supports multiple antennas
05/31/2012WO2012043987A3 Enhanced access channel masks for xhrpd
05/31/2012WO2012039589A3 Method and apparatus for efficient feedback in a wireless communication system that supports multiple antennas
05/31/2012WO2012039571A3 Method and user equipment for transmitting uplink control information
05/31/2012WO2012030197A3 Method and device for deciding location of terminal in a wireless communication system
05/31/2012US20120136912 Apparatus and method for generating codebook in wireless communication system
05/31/2012US20120134685 Loop filter
05/31/2012US20120134684 Adaptive equalizer, optical receiver, and tap coefficient correcting method
05/31/2012US20120134454 Apparatus, and associated method, for filtering a receive signal by adaptive operation of an input noise whitening filter
05/31/2012US20120134453 Method for demodulating received signals and apparatus therefore
05/31/2012US20120134452 Soft-demapping of qam signals
05/31/2012US20120134451 Method and System for a Low-Complexity Soft-Output MIMO Detection
05/31/2012US20120134450 Detection and mitigation of temporary impairments in a communications channel
05/31/2012US20120134449 Software radio system, decoding apparatus and method thereof
05/31/2012US20120134448 Detection apparatus, detection method, and reception apparatus
05/31/2012US20120134447 Radio communication apparatus
05/31/2012US20120134446 Method and apparatus for receiving data
05/31/2012US20120134445 Receiving apparatus and receiving method
05/31/2012US20120134441 Wireless communication system, base station apparatus, and mobile station apparatus
05/31/2012US20120134440 Apparatus and method for estimating channel in digital video broadcasting system
05/31/2012US20120134439 Semiconductor device having level shift circuit
05/31/2012US20120134438 Method and apparatus for detecting received signal in wireless communication system
05/31/2012US20120134435 Method And Apparatus For Interference Suppression In Orthogonal Frequency Division Multiplexed (OFDM) Wireless Communication Systems
05/31/2012US20120134432 Method for Improving Synchronization and Information Transmission in a Communication System
05/31/2012US20120134431 8k mode interleaver with odd interleaving only and per ofdm symbol permutation code change in a digital video broadcasting (dvb) standard
05/31/2012US20120134430 Method of Handling Tone Map Interpolation and Related Communication Device
05/31/2012US20120134429 Techniques for Quantization Adaptation in Cooperative Signal Communication
05/31/2012US20120134427 Method of transmitting symbols
05/31/2012US20120134407 Adaptive equalization with group delay
05/31/2012US20120134406 Communication System and Method for Cancelling Timing dependence of Signals
05/31/2012US20120134405 Apparatus and method for mitigation of receive power imbalance on equalizer performance
05/31/2012US20120134399 Systems and Methods of Improved Power Amplifier Efficiency Through Adjustments in Crest Factor Reduction
05/31/2012US20120134394 Communicating with a self-clocking amplitude modulated signal
05/31/2012US20120134325 Branch metrics calculation for multiple communications standards
05/31/2012DE102010052662A1 Datentelegramm-Generierungsverfahren zur Ansteuerung mindestens eines Lastmoduls bzw. einer Lampe über eine Lastleitung Data message generation method for controlling at least one load module or a lamp through a load line
05/31/2012CA2815565A1 Method and apparatus for transmitting ack/nack for downlink transmission in wireless communication system
05/30/2012EP2458805A1 Method for setting cyclic shift considering frequency offset
05/30/2012EP2458804A2 Methods and apparatus related to using a wireless terminal scrambling identifier
05/30/2012EP2458769A1 Method of transmitting symbols
05/30/2012EP2458746A2 Transmission method, transmission apparatus, and reception apparatus
05/30/2012EP2457354A2 System and method for controlling combined radio signals
05/30/2012EP2188912B1 A method for transmitting channel quality information in a multiple input multiple output system
05/30/2012EP1396101B1 Dynamic digital communication system control
05/30/2012CN202261512U Eight-level wireless narrow band modem
05/30/2012CN202261374U High-efficiency synchronous demodulation device based on QPSK (Quadrature Phase Shift Keying)
05/30/2012CN202261373U Binary waveform composite modem based on PSK (phase shift keying)
05/30/2012CN202261372U Es layer and meteor trail mixed mode communication modem
05/30/2012CN202261286U Self-adaptive modulator-demodulator on basis of time diversity
05/30/2012CN1917379B Portable radio terminal and afc control method
05/30/2012CN1826781B Modulation device, demodulation device, modulation method, and demodulation method
05/30/2012CN1630281B Framing structure for digital broadcasting and interactive services
05/30/2012CN102484874A Methods and systems for csi-rs resource allocation in lte-advance systems
05/30/2012CN102484633A 相位调整电路、相位调整方法 A phase adjustment circuit, the phase adjustment method
05/30/2012CN102484632A 使用具有不明确性的串行局部化的解调 Serial localized demodulation having the ambiguity
05/30/2012CN102484631A 使用低密度奇偶校验编码和星座映射的数据接收 Using low density parity check coding and constellation mapping data reception
05/30/2012CN102484630A 存在频率正交ofdm 干扰信号时用于检测ofdm 信号的方法和装置 Method and apparatus for detecting the presence of ofdm signal the interference signal frequency quadrature ofdm
05/30/2012CN102484629A Apparatus and method of searching multi-carrier active set pilots
05/30/2012CN102484628A Wireless communication apparatus
05/30/2012CN102484627A 通信设备、通信控制方法和计算机可读存储介质 Communication device, a communication control method and a computer-readable storage medium
05/30/2012CN102484626A Hierarchical Modulation For Accurate Channel Sounding
05/30/2012CN102484625A Equalization using serial localization with indecision
05/30/2012CN102484578A Improved sync detection and frequency recovery for satellite systems
05/30/2012CN102484571A 用于在无线通信系统中发射ack/nack信号的方法和设备 Method and apparatus for transmitting ack / nack signal in a wireless communication system
05/30/2012CN102484559A 用于健壮和高效的fec帧报头恢复的方法和装置 Method and apparatus for robust and efficient fec frame header for recovery
05/30/2012CN102484522A Method And Apparatus For Transmitting Control Information In Wlan System
05/30/2012CN102484504A Transmitter and method for applying multi-tone OFDM based communications within a lower frequency range
05/30/2012CN102484502A 特别用于配电系统的点到点通信系统 Point to point communication systems, especially for power distribution systems
05/30/2012CN102484488A 具有载波相位噪声消除功能的无线电通信装置和无线电通信方法 The radio communication apparatus having a carrier phase noise canceling function and a radio communication method
05/30/2012CN102480473A 基于fsk的安全性信息交互系统及方法 Safety information exchange system and method based fsk
05/30/2012CN102480459A 决定讯频配置的方法及通信装置 The method determines the frequency configuration information and communication devices
05/30/2012CN102480458A 宽带信号的并行结构削峰方法及系统 Method and system for parallel structures clipping wideband signals
05/30/2012CN102480457A Ofdma系统的频偏补偿方法及装置 Frequency offset compensation method and apparatus Ofdma system
05/30/2012CN102480456A Frequency offset estimation method based on reference sequence
05/30/2012CN102480455A 长期演进系统中主同步信号的检测方法和检测装置 Detection method and detection device LTE system master synchronization signal
05/30/2012CN102480454A Mark multiplied frequency offset estimation method based on primary synchronization signal (PSS) for long time evolution/long time evolution-advanced (LTE/LTE-A) system
05/30/2012CN102480453A 一种宽带同频干扰噪声估计和干扰抑制的方法及相应系统 Wideband frequency interference noise estimation and interference suppression method and corresponding system
05/30/2012CN102480452A 一种ofdm系统的载波频率同步电路及方法 One kind of carrier frequency synchronization circuit ofdm system and method
05/30/2012CN102480451A 一种数字载波的通信装置及其方法 A communication device and a method for a digital carrier
05/30/2012CN102480444A 一种宽带同频干扰噪声估计和干扰抑制的方法及相应系统 Wideband frequency interference noise estimation and interference suppression method and corresponding system
05/30/2012CN102480443A 一种移动通信系统中的载波频偏估计方法和装置 A mobile communication system carrier frequency offset estimation method and apparatus
05/30/2012CN102480440A 一种宽带同频干扰环境下的信道估计方法及系统 A wideband frequency interference channel estimation method and system environment
05/30/2012CN102479424A 多通道基于tc-pam或tc-qam调制技术的测井遥传系统 Tc-pam-based multi-channel or tc-qam modulation techniques logging telemetry system
05/30/2012CN101902629B Data transmission method of terrestrial mobile multimedia broadcasting system
05/30/2012CN101860510B Radio transmission device and radio reception device, radio transmission device and radio reception method
05/30/2012CN101778088B Training sequence frame timing synchronized method based on pseudo-random sequence modulation
05/30/2012CN101707579B Frequency domain equalization modulation/demodulation method for continuous phase modulation
05/30/2012CN101702705B Synchronizing method and system for multi-carrier system
05/30/2012CN101674279B Method for decreasing OFDM signal peak average rate
05/30/2012CN101674275B Method for decreasing spending on channel quality information feedback of wide-band mobile communication system
05/30/2012CN101662437B Time-frequency-phase mixed multicarrier modulation method
05/30/2012CN101631100B Method for reducing synchronous time of spread spectrum sequence of CDMA receiver
05/30/2012CN101621335B Average length adaptive optimization method and device
05/30/2012CN101599941B Method and device for generating orthogonal frequency division multiplexing signal
05/30/2012CN101583185B Synchronous tracking device and synchronous tracking method in broadband wireless communication system
05/30/2012CN101562588B Wireless signal transmitting method and transmitter
05/30/2012CN101502068B Chip equalizer and equalizing method
05/30/2012CN101500098B Transmission method and system for broadcast television signal
05/30/2012CN101478324B Single-path quadrature mixing wireless receiver
05/30/2012CN101431504B Space-frequency modulation method for high-performance digital television ground broadcasting transmitter
05/30/2012CN101406077B Transmitting device, and transmitting method
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