Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
05/2010
05/26/2010CN1930816B Method for operation of HARQ in a broadband wireless access communication system
05/26/2010CN1906879B Adaptive FEC codeword management
05/26/2010CN1882191B Information notification method, mobile communication system, base station and mobile station
05/26/2010CN1874208B Method and apparatus for the formatting of data for transmission
05/26/2010CN1839546B Digital RF circuit and its signal processing method
05/26/2010CN1832546B Display method of transferring device
05/26/2010CN1802831B Method and device for adaptive phase compensation of OFDM signals
05/26/2010CN1773974B Digital sideband suppression for radio frequency (RF) modulators
05/26/2010CN1771679B Optical transmission system, optical transmission device and optical reception device of optical transmission system
05/26/2010CN1765092B Multiple modulation transmission method
05/26/2010CN1765076B Method and system for synchronization in a frequency shift keying receiver
05/26/2010CN1758638B Carrier and symbol timing recovery apparatus usable with a vestigial side band receiver and recovery method thereof
05/26/2010CN1750447B Method for deciding signal detection order in mobile communication system
05/26/2010CN1716932B Method and device for symmetric phase shift key control
05/26/2010CN1714552B Reduced complexity channel estimation for wireless communication systems
05/26/2010CN1666483B Device and method for determining the deviation of the carrier frequency of a mobile radio device from the carrier frequency of a base station
05/26/2010CN1647385B Data-directed frequency acquisition loop
05/26/2010CN1630211B Method for demodulating UWB pulse sequences encoded according to an on-off keying modulation scheme
05/26/2010CN1613195B Rake receiver with individual finger compensator(s) and related method
05/26/2010CN1610345B Digital modulating circuit and method and digital demodulating circuit and method
05/26/2010CN1592288B Automatic frequency control device and mehtod of QPSK modulation system
05/26/2010CN1578201B Method and device for transmitting and receiving low density parity check (ldpc) codes
05/26/2010CN1578119B Non-linear compensation circuit, transmission apparatus and non-linear compensation method
05/26/2010CN1547833B Method and apparatus for acquiring and tracking pilots in a CDMA communication system
05/26/2010CN1521970B OFDM receiver, semiconductor integrated circuit and OFDM receiving method
05/26/2010CN1513248B Combining frequency multipliation and modulation
05/26/2010CN101715641A A method of performing phase shift-based precoding and an apparatus for supporting the same in a wireless communication system
05/26/2010CN101715230A Apparatus and method for prioritized apportionment of transmission power in a multi-carrier terminal
05/26/2010CN101715208A Base station implementing a physical layer automatic repeat request
05/26/2010CN101715117A Digital broadcasting receiver and signal processing method thereof
05/26/2010CN101715116A Digital broadcasting receiver and signal processing method thereof
05/26/2010CN101715115A Digital broadcasting transmission and/or reception system and signal processing method thereof
05/26/2010CN101714972A Digital receiver, controlling method of the apparatus, computer program product, and recording medium recording thereon the product
05/26/2010CN101714971A Passive optical network communication method, passive optical network communication system, optical-fiber network, and optical line terminal
05/26/2010CN101714970A Radio frequency receiver structure
05/26/2010CN101714969A Method for demodulating railway communication signals
05/26/2010CN101714968A Communication apparatus
05/26/2010CN101714967A Information processor and corresponding method, display device and program
05/26/2010CN101714966A Receiving apparatus, receiving method, and program
05/26/2010CN101714965A Signal-timing method/device and fine frequency offset estimation method/device
05/26/2010CN101714964A Transmission system, transmission method, sending equipment and receiving equipment for 802.16
05/26/2010CN101714963A Symbolic vector dynamics based self-adaption estimation method of chaotic noise signal
05/26/2010CN101714962A Hierarchical modulating method, hierarchical de-modulating method, transmitter and receiver
05/26/2010CN101714961A Digital signal transmitting method and equipment based on modulated carriers of equal amplitude and equal period
05/26/2010CN101714960A Composite signal transfer transmitter/receiver based on modulated carriers of equal amplitude and equal period
05/26/2010CN101714959A Analog/digital signal compound transfer transmitter and receiver
05/26/2010CN101714907A Passive optical network communication method, passive optical network communication system optical network unit and optical line terminal
05/26/2010CN101714880A Frame structures for a wireless communication system with multiple radio technologies
05/26/2010CN101098555B Multi-mode self-adaptive direct-sequence communications system and method therefor
05/26/2010CN101048995B Method for acquiring synchronization in wireless communication system employing OFDMA scheme
05/26/2010CN101043503B Method for fine synchronizing OFDM symbol and apparatus thereof
05/26/2010CN101043502B Up link signal receiving apparatus and method using successive interference cancellation
05/26/2010CN101039305B Balancing technique-based receiver and receiving method
05/26/2010CN101034966B STB and master-slave STB system
05/26/2010CN101022443B OFDM frequency-offset estimating method based on allocycly adjacent structure
05/26/2010CN101014028B Frequency coarse synchronizing method of using property of phase reference code element
05/25/2010US7725087 Feedback compensation detector for a direct conversion transmitter
05/25/2010US7725081 Communication apparatus
05/25/2010US7724850 Coherent track for FM IBOC receiver using a switch diversity antenna system
05/25/2010US7724847 Techniques for reduction of delayed reflection inter-symbol interference
05/25/2010US7724845 Method and system for down-converting and electromagnetic signal, and transforms for same
05/25/2010US7724844 Detection of servo data for a servo system
05/25/2010US7724843 Clock adjustment for a handheld audio system
05/25/2010US7724841 Method and apparatus for iteratively calculating channel response estimates
05/25/2010US7724840 RF transmitter with predistortion and method therefor
05/25/2010US7724838 Hierarchical coding with multiple antennas in a wireless communication system
05/25/2010US7724837 Efficient modulation of RF signals
05/25/2010US7724836 Method and receiving unit for compensation for a frequency offset and/or for a change in the phase of a transmission channel over time by receiver-end evaluation of edge symbols of a received data burst
05/25/2010US7724835 Space-time block coding in orthogonal frequency division communication systems
05/25/2010US7724833 Receiver for an LDPC based TDS-OFDM communication system
05/25/2010US7724832 MIMO decoding
05/25/2010US7724806 Interferer diversity
05/25/2010US7724805 Fast RMS measurement of input I/Q signals in a W-CDMA system
05/25/2010US7724637 Method and apparatus for controlled spectrum multi-carrier modulation
05/20/2010WO2010056639A2 Unequal multipath protection of different frames within a superframe using different cyclic prefix lengths
05/20/2010WO2010056363A1 Fec frame header design for cable television signals
05/20/2010WO2010056203A1 Cooperative communication methods and devices
05/20/2010WO2010056079A2 Method and apparatus for information transmission in wireless transmission system
05/20/2010WO2010056078A2 Method and apparatus for information transmission in wireless communication system
05/20/2010WO2010056068A2 Method and apparatus for signal transmission in wireless communication system
05/20/2010WO2010056035A2 Method for transmitting sub-frame designation information to a downlink in a radio communication system
05/20/2010WO2010055981A1 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
05/20/2010WO2010055391A1 A method and a transmitter in a wireless communication network
05/20/2010WO2010055387A2 System and method of single-carrier layer shifting for multiple-stream transmission facilitating sic implementation
05/20/2010WO2010054688A1 Methods, apparatuses, computer programs for time synchronization
05/20/2010WO2010054571A1 Multiple access method and apparatus for physical channels
05/20/2010WO2010054557A1 A channel estimation method and system on the data subcarriers
05/20/2010WO2010054499A1 A dpd system with multiple transmitter paths
05/20/2010US20100125773 Digital broadcasting system and method of processing data in digital broadcasting system
05/20/2010US20100124301 Method for re-ordering multiple layers and detecting signal of which the layers have different modulation orders in multiple input multiple output antenna system and receiver using the same
05/20/2010US20100124300 Method and system for receiver synchronization
05/20/2010US20100124299 Method for mimo decoding, apparatus for mimo decoding, and mimo receiver
05/20/2010US20100124297 Receiving a Pilot Design and Channel Estimation
05/20/2010US20100124296 Method and System to Reduce Peak to Average Power Ratio in Multi-Carrier Modulation Receivers
05/20/2010US20100124294 Cost-effective preamble structure for high-speed communication of packetized systems
05/20/2010US20100124293 Method to Reduce Peak to Average Power Ratio in Multi-Carrier Modulation Receivers
05/20/2010US20100124292 Method and System for Receiver Synchronization
05/20/2010US20100124291 Receivers for Embedded ACK/NAK in CQI Reference Signals in Wireless Networks
05/20/2010US20100124290 Digital Signal Transmission for Wireless Communication
05/20/2010US20100124272 Coded pulse data transmission using a look-up table
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