Patents for H04L 27 - Modulated-carrier systems (89,721) |
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05/13/2009 | CN101433041A Code error detecting device, wireless system and code error detecting method |
05/13/2009 | CN101433040A Communications system with selective Baseband Pilot Injected Carrier (BPIC) and input data modulation and related methods |
05/13/2009 | CN101433039A Communications system with baseband pilot injected carrier (BPIC) modulation/demodulation and frame recovery and related methods |
05/13/2009 | CN101433007A Channel quality signaling |
05/13/2009 | CN101431803A TDD system random access method and device |
05/13/2009 | CN101431721A Wireless resource scheduling method for multi-base station MBS |
05/13/2009 | CN101431506A Method and apparatus for regulating frequency step value of subcarrier |
05/13/2009 | CN101431505A Emission system and method for reducing peak-to-average power ratio of orthogonal frequency division multiplexing system |
05/13/2009 | CN101431504A Space-frequency modulation method for high-performance digital television ground broadcasting transmitter |
05/13/2009 | CN101431503A Space-frequency modulation method for digital television ground broadcasting transmitter |
05/13/2009 | CN101431502A Space-frequency modulation method for high-performance digital television ground broadcasting transmitter |
05/13/2009 | CN101431501A Modulation method for high-performance digital television ground broadcasting transmitter |
05/13/2009 | CN101431500A Modulation method for anti-fading digital television ground broadcasting transmitter |
05/13/2009 | CN101431499A Space-frequency modulation method for anti-interference digital television ground broadcasting transmitter |
05/13/2009 | CN101431498A Demodulation method and device for flexible sub-carrier modulation system |
05/13/2009 | CN101431497A Multi-antenna signal transmission method adopting time domain and frequency domain combined orthogonal frequency division multiplexing |
05/13/2009 | CN101431496A Modulation-demodulation method for fraction Fourier transform domain with unequal power spectral density |
05/13/2009 | CN101431495A Receiver |
05/13/2009 | CN101431494A Null symbol element detection apparatus and method |
05/13/2009 | CN101431493A System and method for OFDM grouping detection and frequency deviation estimation |
05/13/2009 | CN101431492A Method for timing estimation of OFDM communication system signal |
05/13/2009 | CN101431491A Frequency domain zero correlation block code generation method and device, and multi-carrier-code division multiple access system |
05/13/2009 | CN101431490A Pilot frequency insertion method, apparatus, base station and customer equipment of orthogonal frequency division multiplexing system |
05/13/2009 | CN101431489A 光传输系统 The optical transmission system |
05/13/2009 | CN101431392A Setting method and modulating method for ST-MTCM gridding chart |
05/13/2009 | CN101431369A Downlink pilot transmission method for TDD system and its implementing apparatus |
05/13/2009 | CN101431357A Data transmission method and apparatus |
05/13/2009 | CN101431353A Control method and apparatus for delivering power amplifier |
05/13/2009 | CN100488186C Radio transmitter, radio receiver, and multilever modulation communication system |
05/13/2009 | CN100488185C Radio communication system, radio transmitter and radio receiver |
05/13/2009 | CN100488184C OFDM communication system and method |
05/13/2009 | CN100488183C Channel estimation for orthogonal frequency division multiplexed (OFDM) signals |
05/13/2009 | CN100488182C Method for real time intercepting carrier signal in short distance radio network |
05/13/2009 | CN100488065C Adaptive frequency deviation evaluation device of receiver and method |
05/13/2009 | CN100488063C Distortion compensation apparatus |
05/12/2009 | US7532870 Method and apparatus for DC offset removal |
05/12/2009 | US7532694 Apparatus and method for compensating for distortion caused by a phase slew of a frame reference signal in an asynchronous wideband code division multiple access communication system |
05/12/2009 | US7532687 Dual stage automatic gain control in an ultra wideband receiver |
05/12/2009 | US7532686 Correlator and receiving apparatus utilizing the same |
05/12/2009 | US7532684 Direct RF complex analog to digital converter |
05/12/2009 | US7532683 Unified receiver for layered and hierarchical modulation systems |
05/12/2009 | US7532682 Quadrature modulation without carrier |
05/12/2009 | US7532681 Wireless communication apparatus |
05/12/2009 | US7532680 Multi-mode radio frequency transmitter |
05/12/2009 | US7532679 Hybrid polar/cartesian digital modulator |
05/12/2009 | US7532678 Method for transmitting data by multi-carrier modulation |
05/12/2009 | US7532676 Single sideband and quadrature multiplexed continuous phase modulation |
05/12/2009 | US7532675 Techniques to time vary pilot locations in wireless networks |
05/12/2009 | US7532674 Transmitting device, transmitting method, and storage medium |
05/12/2009 | US7532673 Transport of modulation symbols in a communications system |
05/12/2009 | US7532672 Codecs providing multiple bit streams |
05/12/2009 | US7532668 Transmitter and transmitting method, receiver and receiving method, pulse detection method, and tracking method |
05/12/2009 | US7532661 Additional hierarchical preamble for support of FDMA channel in a multi-band OFDM system |
05/12/2009 | US7532602 Information transmission method, mobile communications system, base station and mobile station |
05/12/2009 | US7532567 Radio communication system, radio transmitter and radio receiver |
05/12/2009 | US7532566 Use of identifier of remote unit for downstream signals |
05/12/2009 | US7532565 Mapping data tones onto guard tones for a multi-band OFDM system |
05/12/2009 | US7532564 Sub-banded ultra-wideband communications systems |
05/12/2009 | US7532562 High-data-rate communication link using multiple lower rate modems |
05/12/2009 | US7532152 Automotive radar system |
05/12/2009 | US7532055 CMOS-based receiver for communications applications |
05/12/2009 | CA2391336C Method and circuit for acquisition |
05/07/2009 | WO2009059250A2 Synchronization in a broadcast ofdm system using time division multiplexed pilots |
05/07/2009 | WO2009059249A2 Synchronization in a broadcast ofdm system using time division multiplexed pilots |
05/07/2009 | WO2009059179A1 Sign operation instructions and circuitry |
05/07/2009 | WO2009058791A1 Modular powerline adapters and methods of use |
05/07/2009 | WO2009058153A1 Methods and apparatus for communicating information using different types of symbols |
05/07/2009 | WO2009058072A1 Channel-dependent frequency-domain scheduling in an orthogonal frequency division multiplexing communications system |
05/07/2009 | WO2009057566A1 Mobile communication system, base station device, user device and method |
05/07/2009 | WO2009057312A1 Transmission device |
05/07/2009 | WO2009057183A1 Network encoding method and network encoding apparatus |
05/07/2009 | WO2009057040A1 A method to discriminate a real echo peak from an aliased echo peak |
05/07/2009 | WO2009056801A1 Data processing apparatus and method |
05/07/2009 | WO2009056044A1 Peak value cancellation method, peak value cancellation device and reference peak value cancellation signal producing device |
05/07/2009 | WO2009055987A1 A timing coarse synchronization acquisition method in a mobile communication system |
05/07/2009 | WO2009055897A1 All-digital multi-standard transmitter architecture using delta- sigma modulators |
05/07/2009 | WO2009039396A3 Auto-discovery in a switch |
05/07/2009 | WO2009032730A3 Apparatus and method for modulating an amplitude, phase or both of a periodic signal on a per cycle basis |
05/07/2009 | WO2009031862A3 Method of generating reference signal in wireless communication system |
05/07/2009 | WO2009031801A3 Method of transmitting data using repetition coding |
05/07/2009 | WO2009028912A3 Apparatus for transmitting and receiving a signal and method for transmitting and receiving a signal |
05/07/2009 | WO2009023799A3 Communication system using a shared baseband processor for transmission and reception over different bandwidths |
05/07/2009 | WO2009020935A3 Rate adaptive modem |
05/07/2009 | WO2009009541A3 Methods and apparatus for communicating in a peer to peer system where device communications may partially interfere with one another |
05/07/2009 | WO2008118882A3 Method and apparatus for determining broadcast messages in wireless signals |
05/07/2009 | WO2008012807A3 Multi input multi output wireless communication reception method and apparatus |
05/07/2009 | WO2007066952A3 Multi-fa processing system and its digital band-pass filtering method |
05/07/2009 | WO2007066938A3 Method for controlling signal power level to control contention between mobile terminals, and signal power level controller in orthogonal frequency division multiplexing system |
05/07/2009 | US20090119554 Backplane emulation technique for automated testing |
05/07/2009 | US20090119088 Method of Designing, Modelling or Fabricating a Communications Baseband Stack |
05/07/2009 | US20090119043 Phase imbalance monitoring apparatus, amplitude imbalance monitoring apparatus, and apparatus using the same |
05/07/2009 | US20090117862 Method for the multi-antenna transmission of a linearly-precoded signal, corresponding devices, signal and reception method |
05/07/2009 | US20090116849 DQPSK modulation apparatus and DQPSK modulation method |
05/07/2009 | US20090116593 Circuit for providing automatic adaptation to frequency offsets in high speed serial links |
05/07/2009 | US20090116592 Receiver and channel estimation method |
05/07/2009 | US20090116591 Spectral decomposition of large signals in a narrow-range sampling system |
05/07/2009 | US20090116590 Apparatus and method for detecting signal in multi-antenna system |
05/07/2009 | US20090116589 Performance-based link adaptation techniques |
05/07/2009 | US20090116588 Wireless communications apparatus |
05/07/2009 | US20090116587 Method, system and apparatus for generating constant amplitude zero autocorrelation sequences |