| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 07/11/2012 | CN102571682A Method and device for producing quadrature amplitude modulation signal light |
| 07/11/2012 | CN102571681A Information sending method and information sending device for system broadcast channel in wireless communication system |
| 07/11/2012 | CN102571680A Broadband signal peak clipping method, broadband signal peak clipping device and broadband power amplification system |
| 07/11/2012 | CN102571679A Method for coarse synchronization of symbols in burst orthogonal frequency division multiplexing (OFDM) system |
| 07/11/2012 | CN102571678A Selection method and device for time-domain alternative signals |
| 07/11/2012 | CN102571677A Multi-sub-band underwater acoustic anti-Doppler modulation and demodulation method based on assisted pilot frequency and device thereof |
| 07/11/2012 | CN102571676A Method for accurately estimating frame synchronization and frequency offset in orthogonal frequency division multiplexing (OFDM) system |
| 07/11/2012 | CN102571675A Method for optimizing hidden terminal based on physical layer interference information |
| 07/11/2012 | CN102571674A Device and method for self-adoptive code modulating of finite feedback multi-antenna OFDM (Orthogonal Frequency Division Multiplexing) system |
| 07/11/2012 | CN102571673A Design method and system of time domain man-made noise in orthogonal frequency division multiplexing system |
| 07/11/2012 | CN102571672A Coordinated multipoint transmission downlink synchronization method and device |
| 07/11/2012 | CN102571671A Modified smoothed pseudo Wigner-Ville distribution-based (MSPWVD-based) blind estimation method for pseudo code sequence of pseudo-random Bi-phase code-linear frequency modulation (PRBC-LFM) composite signal |
| 07/11/2012 | CN102571670A Method and device for multidimensional coded modulation of orthogonal frequency division multiplexing (OFDM) system |
| 07/11/2012 | CN102571669A Field programmable gate array (FPGA) implementation method applied to wireless sensor network to realize symbol precise timing |
| 07/11/2012 | CN102571668A Phase compensation method and system in LTE (long term evolution) system |
| 07/11/2012 | CN102571667A Method and system for power allocation in a transmission system |
| 07/11/2012 | CN102571666A MMSE (Minimum Mean Square Error)-based equalization method of underwater sound OFDM (Orthogonal Frequency Division Multiplexing) judgment iterative channel |
| 07/11/2012 | CN102571665A Method for eliminating interference in a receiver, and associated apparatus |
| 07/11/2012 | CN102571664A Method and device for reducing direct current interference in multi-carrier communication system |
| 07/11/2012 | CN102571663A Method and device for transmitting microwave communication data |
| 07/11/2012 | CN102571662A Transmitting method and device for downlink data |
| 07/11/2012 | CN102571661A Matrix simplifying method, de-noising method and de-noising device |
| 07/11/2012 | CN102571660A Method and equipment for RT (Reserving Frequency)-based N-order continuous OFDM (Orthogonal Frequency Division Multiplexing) in communication system |
| 07/11/2012 | CN102571659A Interference noise estimation and interference inhibition method and corresponding system |
| 07/11/2012 | CN102571658A Method for fast phase shift keying demodulation under high/intermediate frequency under-sampling condition |
| 07/11/2012 | CN102571656A Method and device for eliminating interference from signal in short-range wireless network |
| 07/11/2012 | CN102571654A Multi-carrier frequency self-adaptive power line communication system and method |
| 07/11/2012 | CN102571650A Self-adapting channel estimating method applied to 3GPP LTE system |
| 07/11/2012 | CN102571647A Frequency offset estimation method and device |
| 07/11/2012 | CN102571646A Timing estimation and adjustment method and device in OFDM (Orthogonal Frequency Division Multiplexing) system |
| 07/11/2012 | CN102571644A CMMB (China Mobile Multimedia Broadcasting) channel response estimation method and device |
| 07/11/2012 | CN102571306A Base station and method |
| 07/11/2012 | CN102571293A Method and apparatus for transmitting wireless signals on multiple frequency channels in a frequency agile network |
| 07/11/2012 | CN102571278A Method of decoding data received in radio receiver as frame |
| 07/11/2012 | CN102571272A Method and device for receiving service data in communication system, and baseband chip |
| 07/11/2012 | CN102571269A Signal transmission apparatus, electronic device, and signal transmission method |
| 07/11/2012 | CN102571138A Method of generating code sequence and method of transmitting signal using the same |
| 07/11/2012 | CN102571113A Receiver and symbol decoder thereof |
| 07/11/2012 | CN102571083A Digital control oscillator, method for generating quadrature carrier wave and quadrature amplitude modulation system |
| 07/11/2012 | CN101835283B Terminal device |
| 07/11/2012 | CN101719889B Method and device for detecting main synchronizing signal |
| 07/11/2012 | CN101635579B Method for detecting adjacent cell information |
| 07/11/2012 | CN101577688B Methods for transmitting and receiving signals, base station and mobile terminal |
| 07/11/2012 | CN101467381B Digital transmission method |
| 07/11/2012 | CN101378378B Apparatus and method for estimating and compensating sampling clock offset |
| 07/11/2012 | CN101366306B Method and apparatus for multiplexing multiple reverse feedback channels in multi-carrier wireless networks |
| 07/11/2012 | CN101336533B Method, device and method for recovering OFDM signal |
| 07/11/2012 | CN101296476B Radio resource allocation apparatus and method |
| 07/11/2012 | CN101174852B WCDMA subdistrict searching time slot synchronization method and system |
| 07/11/2012 | CN101171770B Receiving apparatus and receiving method used for downlink channel |
| 07/11/2012 | CN101056139B Method for realizing the downlink rough synchronization in the initial search process of TD-SCDMA system cell |
| 07/10/2012 | US8219078 Method and apparatus for multi-user multi-input multi-output transmission |
| 07/10/2012 | US8219044 Feedback compensation detector for a direct conversion transmitter |
| 07/10/2012 | US8218693 Gain control for wireless receiver |
| 07/10/2012 | US8218692 Signal separator |
| 07/10/2012 | US8218691 Time information receiver, radio wave timepiece and storage medium having program stored therein |
| 07/10/2012 | US8218690 Timing offset compensation for high throughput channel estimation |
| 07/10/2012 | US8218689 Wireless communication device and mobile station |
| 07/10/2012 | US8218688 Quadrature demodulator and interrogator |
| 07/10/2012 | US8218684 Method and system for an adaptive automatic gain control (AGC) reference for HSDPA and WCDMA |
| 07/10/2012 | US8218683 Method for compensation for any phase and/or amplitude error in a receiver |
| 07/10/2012 | US8218682 Digital signal transmitting apparatus |
| 07/10/2012 | US8218681 OFDM transmitter and OFDM receiver |
| 07/10/2012 | US8218680 Radio communication apparatus capable of switching modulation schemes |
| 07/10/2012 | US8218679 Method and system for creating quadrature modulation signal constellations with arbitrary spectral efficiency |
| 07/10/2012 | US8218675 Digital broadcasting system and method of processing |
| 07/10/2012 | US8218674 OFDM transmitter with adaptive bit interleaver for adaptive bit loading and method for OFDM communications |
| 07/10/2012 | US8218673 Method and system for providing a dual-channel beacon signal in a wireless network |
| 07/10/2012 | US8218664 Bit allocation among carriers in multicarrier communications |
| 07/10/2012 | US8218663 Reference signal resource allocation for single user MIMO |
| 07/10/2012 | US8218662 Method for designing mini resource unit and transmission for a distributed resource unit in consideration of space frequency block code |
| 07/10/2012 | US8218661 OFDMA based medium access control and frame structure design for industrial applications |
| 07/10/2012 | US8218659 OFDM demodulation device |
| 07/10/2012 | US8218658 Method for OFDM and OFDMA channel estimation |
| 07/10/2012 | US8218657 System and method for automatic adjustment of streaming video bit rate |
| 07/10/2012 | US8218614 Electronic equalization and electronic depolarization method, receiving end equipment, and communication system |
| 07/10/2012 | US8218610 System and method for descrambling the phase of carriers in a multicarrier communications system |
| 07/10/2012 | US8218609 Closed-loop rate control for a multi-channel communication system |
| 07/10/2012 | US8218608 Self-tuning transmitter |
| 07/10/2012 | US8218521 Signal generation device and signal generation method and program thereof in wireless transmission system |
| 07/10/2012 | US8218464 Modulation scheme for orthogonal frequency division multiplexing systems or the like |
| 07/10/2012 | US8218427 Preamble configuring method in the wireless LAN system, and a method for a frame synchronization |
| 07/10/2012 | US8218425 Signaling method in an OFDM multiple access system |
| 07/10/2012 | CA2627556C Allocation of pilot pattern adapted to channel characteristics for an ofdm system |
| 07/10/2012 | CA2480847C An adaptive air interface waveform |
| 07/10/2012 | CA2457230C Method and apparatus implementing retransmission in a communication system providing h-arq |
| 07/05/2012 | WO2012092149A2 Apparatus and methods for estimating an unknown frequency error of a tone signal |
| 07/05/2012 | WO2012091490A2 Method and device for ack/nack transmission in tdd-based wireless communication system |
| 07/05/2012 | WO2012090840A1 Microwave band booster rectifier circuit, and wireless tag device and wireless tag system employing same |
| 07/05/2012 | WO2012090097A1 Controllable frequency offset for inphase and quadrature (iq) imbalance estimation |
| 07/05/2012 | WO2012089770A1 Cross-correlation receiver |
| 07/05/2012 | WO2012089399A1 Evaluation unit and method for demodulating ofdm data |
| 07/05/2012 | WO2012089253A1 A waveguide based five or six port circuit |
| 07/05/2012 | WO2012089156A1 Coefficient calculation method and device for time-domain channel estimation filter |
| 07/05/2012 | WO2012057571A3 Method and apparatus for transmitting control information |
| 07/05/2012 | US20120172041 Methods for cell search in synchronous interference limited channels |
| 07/05/2012 | US20120170695 Methods And Apparatus For Automatic Gain Control Using Samples Taken At Desired Sampling Phase And Target Voltage Level |
| 07/05/2012 | US20120170694 Discrete time receiver |
| 07/05/2012 | US20120170693 Communication receiver and a receiving method |
| 07/05/2012 | US20120170692 Clock data recovery circuit and clock data recovery method |