| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 09/18/2008 | US20080225178 Automatic signal gain control method and apparatus |
| 09/18/2008 | CA2790073A1 Quadrature imbalance mitigation using unbiased training sequences |
| 09/18/2008 | CA2790022A1 Quadrature imbalance estimation using unbiased training sequences |
| 09/18/2008 | CA2678592A1 Quadrature modulation rotating training sequence |
| 09/18/2008 | CA2678162A1 Channel estimation using frequency smoothing |
| 09/18/2008 | CA2678160A1 Quadrature imbalance estimation using unbiased training sequences |
| 09/18/2008 | CA2678126A1 Quadrature imbalance mitigation using unbiased training sequences |
| 09/17/2008 | EP1971146A2 Satellite distribution apparatus, control means for use in satellite distribution apparatus and method of use thereof |
| 09/17/2008 | EP1971098A1 Digital wireless communication method, transmitter and receiver using multilevel modulation scheme |
| 09/17/2008 | EP1971097A2 Method of generating random access preambles in wireless communication system |
| 09/17/2008 | EP1971096A2 Method and apparatus to enable fast decoding of transmissions with multiple code blocks |
| 09/17/2008 | EP1971095A1 Method for optimizing signals with multiple subcarriers |
| 09/17/2008 | EP1971061A1 Wireless communication device |
| 09/17/2008 | EP1970724A2 Method, apparatus and system for frequency stabilisation using cellular signal bursts |
| 09/17/2008 | EP1969798A2 Digital transmitters for wireless communication |
| 09/17/2008 | EP1969797A2 Polar modulation system |
| 09/17/2008 | EP1969796A2 Multi-mode modulation apparatus |
| 09/17/2008 | EP1969795A1 Methods and apparatus for frequency tracking of a received signal |
| 09/17/2008 | EP1969794A2 Range extension techniques for a wireless local area network |
| 09/17/2008 | EP1969793A2 Apparatus, method and computer program product providing joint synchronization using semi-analytic root-likelihood polynomials for ofdm systems |
| 09/17/2008 | EP1969792A2 Dynamic interleaving method and device |
| 09/17/2008 | EP1969791A1 A method and apparatus for measurement report for the decision of transmission mode transition |
| 09/17/2008 | EP1969790A1 Low complexity method and apparatus to append a cyclic extension to a continuous phase modulation (cpm) signal |
| 09/17/2008 | EP1969744A2 Apparatus for transmitting data using carriers and method thereof |
| 09/17/2008 | EP1516450A4 Bluetooth rf based rf-tag read/write station |
| 09/17/2008 | CN201118634Y Pair carrier multi-address modulator |
| 09/17/2008 | CN201118633Y Middle frequency peak cutting system device |
| 09/17/2008 | CN201118596Y 2400 rate modulator based on optical/microwave transmission |
| 09/17/2008 | CN101268667A Improved symbol recovery for zero-prefix OFDM systems |
| 09/17/2008 | CN101268666A Apparatus with training signals in an OFDM MIMO system |
| 09/17/2008 | CN101268665A Method and apparatus in a base station for transmitting data on the DC tone of a multi-carrier communication system with a predetermined timing pattern |
| 09/17/2008 | CN101268648A Space-time coded MB-OFDM UWB system |
| 09/17/2008 | CN101268638A Transmission of a data stream using OFDM symbols at two carrier frequencies with overlapping controlling data transmission frames of a commensurable duration |
| 09/17/2008 | CN101268619A OFDM receiver having reduced power consumption and method thereof |
| 09/17/2008 | CN101267672A Method and apparatus for subchannel assignment for suppressing interantenna interference in OFDMA system |
| 09/17/2008 | CN101267424A Ultra-broadband wireless communication modulation method based on scanning frequency pulse |
| 09/17/2008 | CN101267423A Method for estimating clock frequency deviation based on fraction Fourier domain in ultra-broadband system |
| 09/17/2008 | CN101267422A A frequency domain channel estimation method for OFDM multiplex system |
| 09/17/2008 | CN101267421A An OFDM time shift channel measuring method |
| 09/17/2008 | CN101267420A Radio communication method, radio transmission apparatus and receiving apparatus |
| 09/17/2008 | CN101267419A A time advance adjustment method and device for OFDM symbol timing |
| 09/17/2008 | CN101267418A Method, device and system for sending and receiving communication system parameters |
| 09/17/2008 | CN101267417A Estimation method for integer frequency deviation of digital communication system |
| 09/17/2008 | CN101267416A Transmitter, receiver and its method for flexible OFDM multi-address uplink transmission |
| 09/17/2008 | CN101267415A Flexible uplink multi-address transmission device based on filter group and its method |
| 09/17/2008 | CN101267414A A flexible OFDM download communication system and its communication method |
| 09/17/2008 | CN101267413A RF transmission method and system and vibration wave generator, sigma-delta modulator and mobile terminal |
| 09/17/2008 | CN101267412A Transmitter and receiver |
| 09/17/2008 | CN101267371A Wireless communication device, wireless communication system, wireless communication method and program |
| 09/17/2008 | CN101267244A Timing tracking method |
| 09/17/2008 | CN101267226A An information sending method for auxiliary synchronization channel and cell search method |
| 09/17/2008 | CN101266294A Compensation process for inhibiting radar echo signal range migration |
| 09/17/2008 | CN100420248C Cell search method for orthogonal frequency division multiplexing based cellular communication system |
| 09/17/2008 | CN100420247C Method for extablishing data transmission connection between XDSL transceivers |
| 09/17/2008 | CN100420246C Single chip CMOS transmitter/receiver and method of using same |
| 09/17/2008 | CN100420180C Synchronization method and device of packet wireless communication system |
| 09/17/2008 | CN100420178C Method and apparatus for channel quality measurements |
| 09/17/2008 | CN100420177C Mixed automatic retransmitting method |
| 09/17/2008 | CN100420175C Selection between two different coding schemes and corresponding modulation shemes according to the allowable transmission delay of the data |
| 09/17/2008 | CN100420161C Method and apparatus for reducing pilot search times utilizing mobile station location information |
| 09/17/2008 | CN100420156C System and method for eliminating signal zero crossings in single and multiple channel communication systems |
| 09/17/2008 | CN100419440C Low-loss tunable ferro-electric device and method of characterization |
| 09/16/2008 | US7426457 FSM closure of generalized tree models |
| 09/16/2008 | US7426391 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system |
| 09/16/2008 | US7426250 Automatic gain controller and controlling method thereof |
| 09/16/2008 | US7426248 Receivers and demodulators for TDMA and other modulated systems |
| 09/16/2008 | US7426246 Dual layer signal processing in a layered modulation digital signal system |
| 09/16/2008 | US7426245 DC compensation in direct conversion radio receivers |
| 09/16/2008 | US7426244 Telecommunications system and receiver |
| 09/16/2008 | US7426242 Orthogonal frequency digital multiplexing correlation canceller |
| 09/16/2008 | US7426240 Data processing apparatus and method operable to map and de-map symbols and carrier signals of an Orthogonal Frequency Division Multiplexed (OFDM) symbol |
| 09/16/2008 | US7426239 Method and transmission apparatus for transmitting a bivalent signal |
| 09/16/2008 | US7426232 Signal selection systems |
| 09/16/2008 | US7426177 Round trip delay adjustment in multipoint-to-point communication using orthogonal frequency division multiplexing |
| 09/16/2008 | US7426175 Method and apparatus for pilot signal transmission |
| 09/16/2008 | CA2394587C Apparatus and method for retransmitting high-speed data in a cdma mobile communication system |
| 09/12/2008 | WO2008109623A1 Coherent initial acquisition |
| 09/12/2008 | WO2008109607A1 Apparatus and methods accounting for effects of discontinuities at the output of automatic gain control in a multi carrier system |
| 09/12/2008 | WO2008109600A1 Timing adjustments for channel estimation in a multi carrier system |
| 09/12/2008 | WO2008109575A2 Superimposed composite channel filter |
| 09/12/2008 | WO2008109267A1 System and method for performing channel estimation using interpolation |
| 09/12/2008 | WO2008108796A1 Apparatus and method for sensing a multi-carrier signal using cyclostationarity |
| 09/12/2008 | WO2008108795A1 Apparatus and method for sensing a multi-carrier signal using cyclostationarity |
| 09/12/2008 | WO2008108710A2 Adaptive pilot symbol allocation method and apparatus |
| 09/12/2008 | WO2008108608A1 Cross qam modulation-based symbol mapping method and apparatus in a mobile communication system |
| 09/12/2008 | WO2008108366A1 Radio communication system |
| 09/12/2008 | WO2008108008A1 Link adaptation system and method for multicarrier transmission systems |
| 09/12/2008 | WO2008107730A1 Channel profiler and method of profiling an incoming signal |
| 09/12/2008 | WO2008107520A1 Resource allocation method and system |
| 09/12/2008 | WO2008107511A1 Interoperability of digital broadband broadcasting and cellular communication systems |
| 09/12/2008 | WO2008107066A2 Device and method for determining a transmission behavior of sub-channels |
| 09/12/2008 | WO2008087581A3 System and method for improved frequency estimation for high-speed communication |
| 09/12/2008 | WO2008084445A3 Apparatus, method and computer program product providing dynamic sharing of resources between uplink and downlink allocations for separately coded users |
| 09/12/2008 | WO2008084422A3 Allocation of time-frequency resources to a control channel |
| 09/12/2008 | WO2008083303A3 Methods and apparatuses for reducing inter-carrier interference in an ofdm system |
| 09/12/2008 | WO2008038979A3 A method for transmitting information using sequence. |
| 09/12/2008 | WO2008013884A3 Multi-carrier system wtih a variable bitrate |
| 09/12/2008 | WO2007066935A3 Transmitting apparatus for transmitting in a multi-carrier system using multiple antennas and receiving apparatus in the same system |
| 09/12/2008 | WO2006078818A3 Limiter based analog demodulator |
| 09/12/2008 | CA2678113A1 Apparatus and methods accounting for automatic gain control in a multi carrier system |