| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 05/06/2010 | US20100110939 Information processing apparatus and duplex transmission method |
| 05/06/2010 | US20100110875 modified slm scheme with low complexity for papr reduction of ofdm systems |
| 05/06/2010 | US20100110872 Adaptive modulation for fixed wireless link in cable transmission system |
| 05/06/2010 | DE112008001573T5 Messgerät und Programm Instrument and program |
| 05/06/2010 | DE102009051227A1 Digitale Modulation mit Jitter-Kompensation für einen polaren Sender Digital modulation with jitter compensation for a polar transmitter |
| 05/05/2010 | EP2182690A1 Frequency offset estimation |
| 05/05/2010 | EP2182689A2 Device and method for transmitting downlink control information in a wireless communication system |
| 05/05/2010 | EP2181641A1 Capsule type medical device |
| 05/05/2010 | EP2181535A2 A method for designing mini resource unit and transmission for a distributed resource unit in consideration of space frequency block code |
| 05/05/2010 | EP2181533A2 Iq imbalance image suppression in presence of unknown phase shift |
| 05/05/2010 | EP2181519A1 Method for retransmitting packets according to decoding failures or reliability |
| 05/05/2010 | EP1400083B1 Method and system for compensation of a carrier frequency offset in an ofdm receiver |
| 05/05/2010 | CN201450519U Apparatus for forming beams of orthogonal phase shift keying baseband |
| 05/05/2010 | CN201450518U Broadband 6-port direct QPSK modulator |
| 05/05/2010 | CN201450517U Coaxial cable broadband access terminal device with wireless access function |
| 05/05/2010 | CN1992698B Method for detecting robustness mode in radio communication system |
| 05/05/2010 | CN1992690B Emitting method of pilot data, base station controller, channel evaluation method and apparatus |
| 05/05/2010 | CN1988526B Synchronizing method for multiple input multiple output orthogonal frequency division multiplex radio system |
| 05/05/2010 | CN1972264B A method for reducing peak to average ratio of multicarrier |
| 05/05/2010 | CN1968237B Apparatus and method for reducing mean peak power rate in orthogonal frequency-division multiplexing system |
| 05/05/2010 | CN1968235B Preorder detection and symbol time sequence recovery system and method |
| 05/05/2010 | CN1964337B An estimation method for frequency offset |
| 05/05/2010 | CN1953441B Device and method for adaptive correction of orthogonal unbalance |
| 05/05/2010 | CN1953361B A method and system for sending multiple carrier frequency signal |
| 05/05/2010 | CN1930840B Method and apparatus for allocating subcarriers in a broadband wireless communication system |
| 05/05/2010 | CN1921464B Frequency domain communication channel prediction arithmetic |
| 05/05/2010 | CN1921463B Communication channel estimation method and realizing device for crossing frequency division multiplexing mobile communication system |
| 05/05/2010 | CN1914839B Reception device |
| 05/05/2010 | CN1913508B Signal modulation method based on orthogonal frequency division multiplex and its modulation device |
| 05/05/2010 | CN1889554B Pilot frequency transfer method |
| 05/05/2010 | CN1871765B Method for modulation detection and communicaion equipment |
| 05/05/2010 | CN1845540B Time-domain adaptive equalizer with virtual center |
| 05/05/2010 | CN1816027B Iterative channel estimation method in multi-antenna multi-carrier-wave wireless telecommunication system |
| 05/05/2010 | CN1805421B Multi sub-channel parallel bit loading method for optimal power distribution in DMT system |
| 05/05/2010 | CN1777167B OFDM transmission method, which is intended both for sporadic and for continuous data communication, for a wlan |
| 05/05/2010 | CN1770754B Apparatus and method for estimating a carrier-to-interference-and-noise ratio in a communication system |
| 05/05/2010 | CN1765052B Bit rate determination circuit based on low bit rate signal |
| 05/05/2010 | CN1722647B Method and apparatus for CRZ-DPSK optical signal generation |
| 05/05/2010 | CN1674569B Method and modulation control device for wireless data transmission |
| 05/05/2010 | CN1650556B Communication apparatus and communication method |
| 05/05/2010 | CN1647396B Transmitter and wireless communication apparatus using the transmitter |
| 05/05/2010 | CN1545775B Multicarrier communication apparatus and multicarrier communication method |
| 05/05/2010 | CN1509033B Low-Power modulation method, apparatus and system |
| 05/05/2010 | CN101702961A Apparatus and method for coded orthogonal frequency- division multiplexing |
| 05/05/2010 | CN101702937A GNSS receiver and antenna system including a digital communication subsystem |
| 05/05/2010 | CN101702827A TOA positioning estimation method and precise positioning method based on same |
| 05/05/2010 | CN101702706A Frame synchronized method for unmanned air vehicle downstream data chain |
| 05/05/2010 | CN101702705A Synchronizing method and system for multi-carrier system |
| 05/05/2010 | CN101702704A Receiving and transmitting method of multi-carrier spread spectrum with synchronous time domain, device and system thereof |
| 05/05/2010 | CN101702703A Vandermonde frequency-division multiplexing method based on multi-carrier modulation technology |
| 05/05/2010 | CN101702702A Symbol synchronizing method and device and symbol receiving processing system |
| 05/05/2010 | CN101702701A Method for estimating and compensating frequency deviation under very low signal to noise ratio |
| 05/05/2010 | CN101702700A Method for allocating minimum power of MIMO-OFDM multi-user system based on allelism |
| 05/05/2010 | CN101702699A System and method for reducing LO phase errors |
| 05/05/2010 | CN101702698A transmitter |
| 05/05/2010 | CN101702697A Method and system for metering digital demodulation error parameters based on continuous wave combination method |
| 05/05/2010 | CN101702696A Implement method and device of channel estimation |
| 05/05/2010 | CN101702695A SDMA-OFDM and MIMO-OFDM channel estimation and downstream preprocessing technology |
| 05/05/2010 | CN101036361B Receiver-site restoration of clipped signal peaks |
| 05/05/2010 | CN101036292B Base station, mobile station and radio frequency emitting machien used in wireless network |
| 05/04/2010 | US7711530 DSL system estimation and parameter recommendation |
| 05/04/2010 | US7711386 Apparatus and method for selective power control for an OFDM mobile communication system |
| 05/04/2010 | US7711338 Frequency offset correction based on the presence or absence of a received signal |
| 05/04/2010 | US7711116 Methods and systems for transmitting digital messages |
| 05/04/2010 | US7711073 Method and circuit arrangement for determining the frequency of a received signal for demodulation of received signals |
| 05/04/2010 | US7711072 Receiving method and receiver |
| 05/04/2010 | US7711068 Multi-stage code generator and decoder for communication systems |
| 05/04/2010 | US7711064 Method for digital wireless communications |
| 05/04/2010 | US7711063 Digital transmitter with data stream transformation circuitry |
| 05/04/2010 | US7711058 Determination of the time delay and/or power of a multicarrier signal |
| 05/04/2010 | US7711057 Apparatus and method for providing energy—bandwidth tradeoff and waveform design in interference and noise |
| 05/04/2010 | US7711056 Transmitting and receiving arrangement with a channel-oriented link |
| 05/04/2010 | US7711038 System and method for despreading in a spread spectrum matched filter |
| 05/04/2010 | US7711032 Method, transmitter and receiver for spread-spectrum digital communication by Golay complementary sequence modulation |
| 05/04/2010 | US7711031 Adaptive technique for inter-carrier-interference canceling in OFDM systems |
| 05/04/2010 | US7711030 System and method for spatial-multiplexed tropospheric scatter communications |
| 05/04/2010 | US7710918 Pilot designing method in an uplink OFDMA system |
| 05/04/2010 | US7710857 Coherent detection for differentially encoded OFDM systems |
| 05/04/2010 | US7710856 Methods and systems for implementing a pseudo-noise signaling mechanism in wireless communication |
| 05/04/2010 | CA2579629C Method and system for providing short block length low density parity check (ldpc) codes |
| 04/29/2010 | WO2010047787A2 Method and apparatus for generating a preamble for use in cable transmission systems |
| 04/29/2010 | WO2010047545A2 Efficient initial access system under a multi-carrier combination condition for supporting broadband |
| 04/29/2010 | WO2010047514A2 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal |
| 04/29/2010 | WO2010047512A2 Signal transmission method and device in wireless communication system |
| 04/29/2010 | WO2010047510A2 Method and apparatus for transmitting signal in a wireless communication system |
| 04/29/2010 | WO2010047061A1 Wireless communication base station device and division number determination method |
| 04/29/2010 | WO2010046957A1 Orthogonal amplitude demodulator, demodulation method, semiconductor device using them, and test device |
| 04/29/2010 | WO2010046228A1 Low power linear interpolation digital-to-analog conversion |
| 04/29/2010 | WO2010046088A2 Receiver comprising a device for correcting doppler effect |
| 04/29/2010 | WO2010045982A1 A phase and amplitude modulator |
| 04/29/2010 | WO2010045864A1 Relay transmission method and device |
| 04/29/2010 | WO2010045852A1 Method and device for transmitting a synchronous signal sequence |
| 04/29/2010 | WO2010045720A1 Methods and systems for programmable digital up-conversion |
| 04/29/2010 | WO2010019451A3 Dft- based channel.estimation with tone distortion removal |
| 04/29/2010 | WO2010005233A3 Method for generating a carrier group and method for transmitting carrier group information |
| 04/29/2010 | WO2010002606A3 Method and apparatus for detection of orthogonal frequency division multiplexing (ofdm) signals by cognitive radios |
| 04/29/2010 | WO2010002520A8 Method and apparatus for adaptive timing synchronization in a communication network |
| 04/29/2010 | US20100107260 Device for receiving digital broadcasts |
| 04/29/2010 | US20100107032 Bit labeling for amplitude phase shift constellation used with low density parity check (ldpc) codes |
| 04/29/2010 | US20100106647 Method and system for close range communication using audio tones |