| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 02/05/2003 | EP0885510A4 Method and apparatus for routing a digitized rf signal to a plurality of paths |
| 02/05/2003 | CN1395783A Method for coded modulation taking account of error sensitivity of user data and encrypting said data after coding |
| 02/05/2003 | CN1395779A Adaptive precding |
| 02/05/2003 | CN1395762A Method and device for determining carrier frequency of base stations in mobile receiver of cellular mobile telephone system working with W-CDMA |
| 02/05/2003 | CN1395432A Equipment for using complex four-phase phase-shift keying processing data of communication system and method |
| 02/05/2003 | CN1395400A Automatic identification method of conventional digital signal modulation mode having no need of a priori knowledge |
| 02/05/2003 | CN1395371A Burst mode receiving device with offset compensation function and its data reconstruction method |
| 02/05/2003 | CN1101094C Synchronous device for digital communication |
| 02/05/2003 | CN1101092C Method for correcting errors from jamming signal in frequency hopped spread spectrum communication system |
| 02/05/2003 | CN1101091C A zero-IF receiver |
| 02/05/2003 | CN1101089C Asymmetric filter combination for digital transmission system and its design method |
| 02/04/2003 | US6516186 Image-rejection receiver |
| 02/04/2003 | US6516039 Digital audio broadcast receiver acquiring frame synchronization quickly in the presence of noise |
| 02/04/2003 | US6516037 Multilevel coding with time diversity |
| 02/04/2003 | US6516036 Method and apparatus for decimating an oversampled signal |
| 02/04/2003 | US6516028 Automatic delay equalizer and automatic delay equalization method as well as automatic delay and amplitude equalizer and automatic delay and amplitude equalization method |
| 02/04/2003 | US6516027 Method and apparatus for discrete multitone communication bit allocation |
| 02/04/2003 | US6516025 High-speed upstream modem communication |
| 02/04/2003 | US6516022 Processing for improved performance and reduced pilot |
| 02/04/2003 | US6515981 Packet-switched spread-spectrum system |
| 02/04/2003 | US6515960 Radio communication system |
| 02/04/2003 | US6515712 Signal distortion compensating apparatus and method in digital TV translator |
| 02/04/2003 | US6515526 Phase fluctuation generation |
| 02/04/2003 | CA2092452C Adaptive signal modulation system |
| 01/30/2003 | WO2003009558A1 Frequency discriminator |
| 01/30/2003 | WO2003009557A1 Method and apparatus for acquiring and tracking pilots in a cdma communication system |
| 01/30/2003 | WO2003009519A1 Method for diversity reception of a multicarrier signal, receiver and corresponding system |
| 01/30/2003 | WO2003009504A1 Multi-carrier transmission apparatus, multi-carrier reception apparatus, and multi-carrier radio communication method |
| 01/30/2003 | WO2003009081A2 System, method and computer program to compute a fast fourier transform of data blocks |
| 01/30/2003 | WO2002063808A9 A system and method for data transmission in dmt-based dsl modems |
| 01/30/2003 | WO2002051089A3 Multicarrier transmission on an electrical power supply line |
| 01/30/2003 | WO2002041545A3 Wireless clock synchronization |
| 01/30/2003 | WO2002033925A3 Data allocation for multicarrier transmission |
| 01/30/2003 | WO2002029985A3 A calibrated dc compensation system for a wireless communication device configured in a zero intermediate frequency architecture |
| 01/30/2003 | US20030023796 Status transfer using frequency |
| 01/30/2003 | US20030023779 Symbol window correlative operation circuit and address generation circuit therefor |
| 01/30/2003 | US20030022651 Method and devices for transmitting and receiving information |
| 01/30/2003 | US20030022639 Peak limiter and multi-carrier amplification apparatus |
| 01/30/2003 | US20030021364 Apparatus, computer readable medium, transmission medium, and method for synchronizing a received signal based on a maximum likelihood principle using a bisection technique |
| 01/30/2003 | US20030021363 Transmission mode detector for digital receiver |
| 01/30/2003 | US20030021362 Device and method for the digital demodulation of a signal received by selecting a filter and digital communication receiver comprising same |
| 01/30/2003 | US20030021361 Digital demodulator for terrestrial receiver |
| 01/30/2003 | US20030021360 System for extracting a clock signal and a digital data signal from a modulated carrier signal in a receiver |
| 01/30/2003 | US20030021358 128-Ary signal constellations suitable for non-linear amplification |
| 01/30/2003 | US20030021357 Method and apparatus of zero deflection |
| 01/30/2003 | US20030021350 OFDM receiving apparatus with reduced bit error rate |
| 01/30/2003 | US20030021297 OFDM transmitting apparatus, receiving apparatus and transmitting system and signal structure of transmission signal for use in the same |
| 01/30/2003 | US20030021247 Frequency discriminator |
| 01/30/2003 | US20030021240 Apparatus and method for retransmitting high-speed data in a CDMA mobile communication system |
| 01/30/2003 | US20030021236 Apparatus, and associated method, for estimating channel conditions of a communication channel of a communication system |
| 01/30/2003 | US20030020557 Digital signals, radio transmitter circuits and method |
| 01/29/2003 | WO2002099988A1 Automatic frequency control device and automatic frequency control method |
| 01/29/2003 | EP1280310A2 Signal structure and scrambling for multicarrier transmission |
| 01/29/2003 | EP1280309A1 Ofdm receiver using polar coordinate system and method thereof |
| 01/29/2003 | EP1280308A2 Wireless impulse transmitter, receiver, and method |
| 01/29/2003 | EP1280307A2 OFDM receiving apparatus with reduced bit error rate |
| 01/29/2003 | EP1280272A1 Method for the linearization of the power stage of a signal transmitter, corresponding system and receiver |
| 01/29/2003 | EP1279311A1 Time of arrival estimation for edge/gsm |
| 01/29/2003 | EP1279266A1 Method and apparatus to estimate frequency offset in a receiver |
| 01/29/2003 | EP1279265A1 Blind carrier offset detection for quadrature modulated digital communication systems |
| 01/29/2003 | EP1279238A1 Cdma system which uses pre-rotation before transmission |
| 01/29/2003 | EP1010288B1 A method for selecting a combination of modulation and channel coding schemes in a digital communication system |
| 01/29/2003 | EP0922342B1 Improvements in, or relating to, multi-carrier transmission systems |
| 01/29/2003 | EP0917778A4 Method and apparatus for receiving a signal in a digital radio frequency communication system |
| 01/29/2003 | CN1394432A Multi-standard channel decoder |
| 01/29/2003 | CN1394423A Coded modulation method, which takes tailbits and their coding into account |
| 01/29/2003 | CN1394414A Communication system, communication control apparatus and method |
| 01/29/2003 | CN1394405A Receiver apparatus and method for controlling reference frequency in receiver apparatus |
| 01/29/2003 | CN1394404A OFDM communication device |
| 01/29/2003 | CN1394403A Radio transmitting apparatus and radio transmitting method |
| 01/29/2003 | CN1394049A Eight-phase PSK modulation method and device |
| 01/29/2003 | CN1394048A Eight-phase PSK modulation method and device |
| 01/29/2003 | CN1394027A Remote-transmission in dispersion controlled optical communication system |
| 01/29/2003 | CN1100464C Differential detector with error correcting function |
| 01/29/2003 | CN1100427C Phase detecting method and phase tracking loop circuit of digital vestigial sideband modulation communication device |
| 01/29/2003 | CN1100410C Diversing type radio device and method of combing received signal of diversity type radio device |
| 01/29/2003 | CN1100407C Apparatus for multi-rate simulcast communications |
| 01/29/2003 | CN1100386C Apparatus and method for carrier frequency compensation in FM radio |
| 01/29/2003 | CA2417853A1 Automatic frequency control device and automatic frequency control method |
| 01/28/2003 | US6512800 Method and system for correcting phase and amplitude imbalances of a quadrature modulated RF signal |
| 01/28/2003 | US6512799 Digital communication system and method for increased bit rates |
| 01/28/2003 | US6512798 Digital communication system of orthogonal modulation type |
| 01/28/2003 | US6512797 Peak to average power ratio reduction |
| 01/28/2003 | US6512759 Transmitter and receiver |
| 01/28/2003 | US6512758 Retransmission control method and apparatus for use in OFDM radio communication system |
| 01/28/2003 | US6512739 Method and apparatus for down conversion within an X-DSL receiver |
| 01/28/2003 | US6512738 Apparatus for and method of receiving diversity |
| 01/28/2003 | US6512737 Stacked carrier discrete multiple tone communication system |
| 01/28/2003 | US6512555 Radio receiver for vestigal-sideband amplitude-modulation digital television signals |
| 01/28/2003 | US6512473 Clock synchronizing circuit |
| 01/28/2003 | CA2262913C Multilevel coding with time diversity |
| 01/28/2003 | CA2163883C Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver |
| 01/28/2003 | CA2154678C A digital communication system and a receiver for use in such a system |
| 01/26/2003 | CA2354196A1 Method of and apparatus for communication via multiplexed links |
| 01/23/2003 | WO2003007646A1 Base station apparatus, mobile station apparatus, radio communication system, and radio communication method |
| 01/23/2003 | WO2003007611A1 A software controlled multi-mode bi-directional communication device |
| 01/23/2003 | WO2003007567A1 Apparatus and method for determining a modulation scheme in a communication system |
| 01/23/2003 | WO2003007566A1 Packet data transmission using variable dqpsk modulation |
| 01/23/2003 | WO2003007565A1 Preprocessing system for communication channel equalization |
| 01/23/2003 | WO2003007564A2 Multi-channel communications transreceiver |