| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 04/09/2009 | US20090092040 Methods and systems for selecting modulation in an orthogonal frequency division multiplexing system |
| 04/09/2009 | CA2701256A1 Method and apparatus for allocating resources of a control channel in a mobile communication system using orthogonal frequency division multiplexing |
| 04/08/2009 | EP2045988A1 Method and system for multiple input and multiple output channel estimation |
| 04/08/2009 | EP2045942A1 Multicarrier signal receiving apparatus and multicarrier signal transmitting apparatus |
| 04/08/2009 | EP2045914A1 Polar-modulation transmission device |
| 04/08/2009 | EP2044746A1 Method of transmitting data signals in a telephone network |
| 04/08/2009 | EP2044745A2 Method of switching modes of uplink transmission in a wireless communication system |
| 04/08/2009 | EP2044744A1 Transmission pattern for the transmission of data in a radio communications system |
| 04/08/2009 | EP2044743A1 Method and device to process a received analog signal and to extract digital data therefrom according to a plurality of protocols |
| 04/08/2009 | EP2044718A2 Dynamic frequency allocation and modulation scheme for control information |
| 04/08/2009 | EP1745618B1 Staggered pilot transmission for channel estimation and time tracking |
| 04/08/2009 | EP1676382A4 Rake-based cdma receivers for multiple receiver antennas |
| 04/08/2009 | EP1497916A4 Decision feedback equalizer |
| 04/08/2009 | EP1397881B1 Method and device for transferring data according to an arq-method |
| 04/08/2009 | EP1269670A4 Transmission of stationary signals in quiescent mode |
| 04/08/2009 | CN201219249Y Aviation data chain high-power broad band linear power amplifier |
| 04/08/2009 | CN101406077A Transmitting device, and transmitting method |
| 04/08/2009 | CN101406019A Method and apparatus for calculating likelihood metric of a received signal in a digital communication system |
| 04/08/2009 | CN101406018A M-system phase shift keying modulation method and system |
| 04/08/2009 | CN101406017A Apparatus for estimating and compensating carrier frequency offset and data receiving method in receiver of wireless communication system |
| 04/08/2009 | CN101406016A Wireless communication base station device and pilot signal disposing method |
| 04/08/2009 | CN101406015A Advanced-VBS system (A-VBS) |
| 04/08/2009 | CN101406012A Iteractive frequency correction using training sequence and data bits |
| 04/08/2009 | CN101405983A Signalling of resource allocations in a communication system |
| 04/08/2009 | CN101405981A Method for adaptive quadrature amplitude modulation signal constellation remapping for data packet retransmissions |
| 04/08/2009 | CN101405964A Method and apparatus for searching for cells utilizing downlink preamble signal |
| 04/08/2009 | CN101405962A Apparatus and method for selecting modulation and filter roll-off to meet power and bandwidth requirements |
| 04/08/2009 | CN101405955A MIMO receiver and method for beamforming using cordic operations |
| 04/08/2009 | CN101404642A Soft demodulation method for 32 ary quadrature amplitude modulation |
| 04/08/2009 | CN101404641A Residual sub-carrier phase deflection correction system and method for multi-carrier system |
| 04/08/2009 | CN101404640A Quadrature amplitude modulation mapping apparatus, method and digital television receiving device |
| 04/08/2009 | CN101404639A Method for preventing block synchronization error lock in single carrier frequency domain equalization system |
| 04/08/2009 | CN101404638A Method and apparatus improving efficiency of orthogonal frequency division multiplexing communicator |
| 04/08/2009 | CN101404637A Adaptive pilot frequency distribution method and apparatus |
| 04/08/2009 | CN101404636A Wireless communication system |
| 04/08/2009 | CN101404635A Apparatus and method for performing a scan procedure and mobile station comprising the same |
| 04/08/2009 | CN101404634A FSK demodulation method based on facsimile modulation/demodulation recommendation |
| 04/08/2009 | CN101404633A Carrier wave tracing method for single carrier system based on block transmission |
| 04/08/2009 | CN101404631A Adaptive equalization method for single carrier system |
| 04/08/2009 | CN101404550A Demodulator based on orthogonal frequency division multiplexing in DRM receiver |
| 04/08/2009 | CN101404517A Signal frequency deviation correction method, apparatus and system |
| 04/08/2009 | CN100477655C Method for estimating OFDM integral number frequency multiplication bias |
| 04/08/2009 | CN100477654C Transmission/reception system and a transmission/reception signal processing method therefor |
| 04/08/2009 | CN100477653C Binary frequency-shift key-controlled demodulator and frequency voltage conversion circuit |
| 04/08/2009 | CN100477651C High-performance OFDM channel estimation method based on combined pilot |
| 04/08/2009 | CN100477570C System and method for transmitting/receiving data in CDMA mobile communication system |
| 04/08/2009 | CN100477566C Constant frame coding double quadrature modulation and demodulation device |
| 04/08/2009 | CN100477565C Equipment and method for compensating frequency shift in orthogonal FDMS |
| 04/08/2009 | CN100477489C Quadrature demodulator using a FFT processor |
| 04/08/2009 | CN100477487C Circuit arrangement for regulation of direct component of a signal and mobile radio transmitter |
| 04/07/2009 | USRE40695 Clock phase detecting circuit and clock regenerating circuit each arranged in receiving unit of multiplex radio equipment |
| 04/07/2009 | US7516471 Detector for digital television signal |
| 04/07/2009 | US7515875 Multi-carrier communication apparatus |
| 04/07/2009 | US7515832 Optical transmission equipment and integrated circuit |
| 04/07/2009 | US7515668 Data and/or clock recovery circuits with sampling offset correction |
| 04/07/2009 | US7515663 Method and apparatus for synchronising receivers |
| 04/07/2009 | US7515660 Joint demodulation using a viterbi equalizer having an adaptive total number of states |
| 04/07/2009 | US7515659 Decoding techniques for multi-antenna systems |
| 04/07/2009 | US7515658 Method to adaptively scale the input to a channel decoder |
| 04/07/2009 | US7515657 Frequency tracking for OFDM transmission over frequency selective channels |
| 04/07/2009 | US7515656 Clock recovery circuit and data receiving circuit |
| 04/07/2009 | US7515655 Wireless communication apparatus and wireless communication method |
| 04/07/2009 | US7515654 Data slicing circuit using multiple thresholds |
| 04/07/2009 | US7515653 Digital broadcasting receiver, driving method thereof, and self-diagnosis method thereof |
| 04/07/2009 | US7515652 Digital modulator for a GSM/GPRS/EDGE wireless polar RF transmitter |
| 04/07/2009 | US7515651 Parallel processing for programmable wideband digital modulation |
| 04/07/2009 | US7515650 Quadrature modulation compensation |
| 04/07/2009 | US7515649 Signal transmitting method in mobile communication system |
| 04/07/2009 | US7515648 Transmitter and wireless communication apparatus using same |
| 04/07/2009 | US7515647 Digital frequency converter |
| 04/07/2009 | US7515645 Method for dividing the bit rate of QPSK signals into two or several subchannels |
| 04/07/2009 | US7515630 System for, and method of, processing quadrature amplitude modulated signals |
| 04/07/2009 | US7515615 Systems and methods for pseudo-random signal generation in a multi-carrier communications system |
| 04/07/2009 | US7515581 Method and system for a new packet preamble for wideband wireless local area network (LAN) systems |
| 04/07/2009 | US7515567 Carrier frequency offset estimation preamble symbols |
| 04/07/2009 | US7515559 Handoff system using an initial ranging scheme in a broadband wireless access communication system and method for controlling the same |
| 04/07/2009 | US7515541 Transmission of data with feedback to the transmitter in a wireless local area network or the like |
| 04/07/2009 | US7515103 Measuring distance using wireless communication |
| 04/07/2009 | US7514993 IQ demodulator |
| 04/02/2009 | WO2009042342A1 Time varying equalization |
| 04/02/2009 | WO2009042226A2 Enhanced carrier frequency offset estimator |
| 04/02/2009 | WO2009042008A1 Spectrum sensing for dmb-t systems using pn frame headers |
| 04/02/2009 | WO2009041793A2 Apparatus for transmitting and receiving a signal and method for transmitting and receiving a signal |
| 04/02/2009 | WO2009041783A1 Method and apparatus of improved circular buffer rate matching for turbo-coded mimo-ofdm wireless systems |
| 04/02/2009 | WO2009041173A1 Base station device, mobile station device, and communication system |
| 04/02/2009 | WO2009041162A1 Single-carrier fdma radio transmitter and corresponding receiver |
| 04/02/2009 | WO2009041046A1 Vsb demodulating apparatus and television receiver |
| 04/02/2009 | WO2009040897A1 Transmitter-receiver amplifier and method for compensating delay deviation |
| 04/02/2009 | WO2009040752A1 System and method for improved scheduling for time-frequency slicing |
| 04/02/2009 | WO2009040747A2 Change of pilot symbol pattern |
| 04/02/2009 | WO2009040419A1 Method and device for data processing in xdsl system |
| 04/02/2009 | WO2009040408A1 Method and device for data processing and communication system comprising such device |
| 04/02/2009 | WO2009020422A3 Multicarrier communication system employing explicit frequency hopping |
| 04/02/2009 | WO2008155238A3 Simultaneous cell group and cyclic prefix detection method, apparatus and system |
| 04/02/2009 | WO2008149263A3 System and method for scheduling and transferring data through a transmission system |
| 04/02/2009 | WO2008127914A3 Continuously variable phase frequency shift keying |
| 04/02/2009 | WO2008094014A3 Method for generating a reference signal sequence using grouping |
| 04/02/2009 | WO2008084986A3 Method of transmitting and receiving scheduling information in a wireless communication system |
| 04/02/2009 | WO2008084961A3 Method of supporting data retransmission in a wireless communication system |
| 04/02/2009 | WO2008005600A3 Method and system for peak power reduction |