Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2007
07/26/2007DE10307427B4 Anordnung und Verfahren zur direkten Demodulation Apparatus and method for direct demodulation
07/26/2007DE102006042503A1 Transpondersystem mit Signalübertragungsverfahren Transponder system with signal transmission method
07/26/2007CA2637732A1 Timing measurement for checking probes
07/26/2007CA2633788A1 Broadcast-centric cellular communication system, method, and mobile station
07/26/2007CA2633786A1 Broadcast-centric cellular communication system, method, and mobile station
07/25/2007EP1811735A1 Wireless transceiver with modulation path delay calibration
07/25/2007EP1811734A1 Method and apparatus for controlling transmission and reception of dedicated pilots according to MCS level in a wireless communication system
07/25/2007EP1811733A1 Wireless communication system and wireless communication method with a plurality of guard interval lengths
07/25/2007EP1811732A2 Multicarrier signal transmission apparatus with peak power suppression and a method thereof
07/25/2007EP1811712A2 Method and apparatus for transmitting and receiving common channel in a cellular wireless communication system supporting scalable bandwidth
07/25/2007EP1811701A2 Method and apparatus for transmitting/receiving uplink signaling information in a single carrier FDMA system
07/25/2007EP1811691A2 Apparatus and method for transmitting and receiving a RACH signal in SC-FDMA system
07/25/2007EP1811672A1 Method and apparatus for digitally removing a DC-offset smaller than one LSB
07/25/2007EP1810541A1 Systems and methods for use with orthogonal frequency division multiplexing
07/25/2007EP1810469A1 Method and apparatus to perform equalization and decoding for a communication system
07/25/2007EP1810431A2 Wireless terminal methods and apparatus for use in wireless communications systems supporting different size frequency bands
07/25/2007EP1810413A1 Rf transmitter using digital-to-rf conversion
07/25/2007EP1810407A2 Ultra-wideband communication apparatus and methods
07/25/2007EP1436901B1 Ethernet over multi-carrier frequency-division multiplexing
07/25/2007EP1222788B1 Method for receiving radio signals via a radio channel
07/25/2007CN1328869C Method and device for transmitting synchronous channel message in multicarrier communication system
07/25/2007CN101006698A Signal quality estimation for continuous phase modulation
07/25/2007CN101006676A Time synchronization using spectral estimation in a communication system
07/25/2007CN101006655A Communication device test signal generating apparatus and communication device test signal generating method
07/25/2007CN101006649A Soft decision enhancement
07/25/2007CN101005587A Method for providing information on digital TV receiver
07/25/2007CN101005579A Device and method for improving the carrier-to-noise ratio for a receiver with diversity
07/25/2007CN101005481A Demodulation circuit and demodulating method
07/25/2007CN101005480A 解调电路和解调方法 Demodulation circuit and demodulation method
07/25/2007CN101005479A Determining an inter-slot power level
07/25/2007CN101005478A Matrix block interveaving method and device for reducing OFDM system peak-to-average power ratio
07/25/2007CN101005477A Synchronous signal sending and detecting method for orthogonal frequency division complex system
07/25/2007CN101005476A Signal transmitting and receiving apparatuses
07/25/2007CN101005475A Method and system for synchronizing time and frequency in orthogonal frequency division multiplex communication
07/25/2007CN101005474A New compression extension method for reducing OFDM signal peak to average ratio
07/25/2007CN101005473A Synchronous signal sending method of orthogonal frequency division mutiplex system
07/25/2007CN101005472A Pilot frequency signal sending method for orthogonal frequency division multiplex system
07/25/2007CN101005471A Method, device and use for distributing pilot frequency channel time frequency source of multiple carrier communication system
07/25/2007CN101005470A Synchronous pilot frequency sequence forming system and method in communication system
07/25/2007CN101005345A Method for realizing down physical layer control channel of orthogonal frequency division multiplex system
07/25/2007CN101005344A Signal transmission method between base station and mobile station
07/25/2007CN101005341A Data multiplexing method for orthogonal frequency division multipex communication system
07/25/2007CN101005339A Data multiple channel sending method and device of multiple carrier system
07/25/2007CN101005337A Method for physical layer automatic repeat request for a subscriber unit and its system
07/25/2007CN101005329A 无线通信系统和无线通信方法 Wireless communication system and wireless communication method
07/25/2007CN101005328A Feedback resource distribution method based on orthogonal frequency-division multiplex system
07/25/2007CN101005323A Dynamic digital communication system control
07/25/2007CN101005307A Synchronizing method for broad band time division duplex honey comb system and cell primary searching
07/25/2007CN101005304A Apparatus and method for searching cell in radio communication system
07/25/2007CN101005303A Moulding method for transmitting antenna selection and adaption in multiple input and multiple output orthogenal frequency division multiplex system
07/25/2007CN101005301A Coding scheme for a wireless communication system
07/24/2007US7249303 Method and apparatus for transferring data according to an ARQ method
07/24/2007US7249008 Arrangement for runtime compensation of a runtime difference arising through emulation of a high frequency signal
07/24/2007US7248842 Wireless communication apparatus having a phase control loop shared by first and second modulation modes and an amplitude control loop
07/24/2007US7248698 System for generating pseudorandom sequences
07/24/2007US7248662 System and method for deriving symbol timing
07/24/2007US7248659 Method for adjusting acquisition speed in a wireless network
07/24/2007US7248657 Method for suppressing interference and arrangement for same, and radio communications receiver
07/24/2007US7248655 Digital radio receiver
07/24/2007US7248654 Apparatus and method for compensating I/Q imbalance based on gain-controlled reference channel in orthogonal frequency division multiplex
07/24/2007US7248653 Low power and high linearity receivers with reactively biased front ends
07/24/2007US7248652 Method and apparatus for recovering timing information in orthogonal frequency division multiplexing (OFDM) systems
07/24/2007US7248651 Low complexity high performance decoder and method of decoding for communications systems using multidimensional signaling
07/24/2007US7248648 Efficient reduced complexity windowed optimal time domain equalizer for discrete multitone-based DSL modems
07/24/2007US7248647 Radio telecommunications system operative by interactive determination of soft estimates, and a corresponding method
07/24/2007US7248646 Digital reconfigurable core for multi-mode base-band transmitter
07/24/2007US7248645 Wireless transmission using an adaptive transmit antenna array
07/24/2007US7248643 Distortion compensator
07/24/2007US7248641 Device for transmitting digital signals among mobile units
07/24/2007US7248639 Method for reducing the out-of-band emission in AM transmitters for digital transmission
07/24/2007US7248638 Transmit antenna multi-mode tracking
07/24/2007US7248634 Integrated circuit for transceiver device with means for suppressing superimposed noise and for generating a more accurate output signal
07/24/2007US7248630 Adaptive equalizer operating at a sampling rate asynchronous to the data rate
07/24/2007US7248627 Method and apparatus for estimating the link quality of a communication channel
07/24/2007US7248626 System and method of communication via embedded modulation
07/24/2007US7248625 Compensation of I-Q imbalance in digital transceivers
07/24/2007US7248559 Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
07/24/2007US7248114 Contactless IC card system
07/19/2007WO2007082192A1 Methods and apparatus for frequency tracking of a received signal
07/19/2007WO2007081182A1 Method and apparatus for cyclic shifted sub-carrier mapping
07/19/2007WO2007081165A1 Method and apparatus for data coded symbol mapping based on channel estimation in a frequency division multiple access system
07/19/2007WO2007080678A1 Scrambling of data and pilot symbols of macro-diversity ofdm transmissions
07/19/2007WO2007080497A2 Pilot scrambling in communications systems
07/19/2007WO2007080141A1 Signal phase control in an integrated radio circuit
07/19/2007WO2007079686A1 A transmission method and system of the discrete multi-tone modulation data
07/19/2007WO2007079640A1 Congestion control method for the reverse interface between the bts and the bsc, the device and the transceiver base station thereof
07/19/2007WO2007079574A1 Ultra-wideband signal detection and pulse modulation
07/19/2007WO2007052107A3 A multicarrier pilot structure for reliable frame detection
07/19/2007WO2007049256A3 Coded orthogonal frequency division multiplexing method and apparatus
07/19/2007WO2007034420A3 Zero or low if receiver
07/19/2007WO2007027976A3 Systems and methods for minimum power leakage windowing for vdsl using least squares technique
07/19/2007US20070168834 Method and system for routing in low density parity check (LDPC) decoders
07/19/2007US20070165832 Methods and systems for high speed broadband digital link
07/19/2007US20070165752 Frequency compensated communications reception
07/19/2007US20070165751 Symbol point estimating apparatus, method, program, and recording medium
07/19/2007US20070165749 Method and system for an improved cellular diversity receiver
07/19/2007US20070165747 Digital clock controller, radio receiver, and methods for use therewith
07/19/2007US20070165746 Transmission circuit by polar modulation system and communication apparatus using the same
07/19/2007US20070165742 Method for enhancing bluetooth transmission speed and robustness of emitting end and receiving end of communication system
07/19/2007US20070165741 Method for Data Transmission Between Switch and Terminal, FSK Processing Module, Terminal, and Switch