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)
12/2010
12/29/2010EP2266275A1 Pilot design using costas arrays
12/29/2010EP2266274A1 Multiple stage fourier transform apparatus, processes, and articles of manufacture
12/29/2010EP2266271A2 Detection of symbols of a signalling parameters channel in a multicarrier receiver
12/29/2010EP2266246A1 Low reuse preamble for a wireless communication network
12/29/2010EP2266243A1 Reduced complexity frequency band and virtual antenna combination selection
12/29/2010EP2266219A2 Wireless multi-carrier code division multiplexing communication apparatus using transmit diversity scheme
12/29/2010EP2266214A1 Reduction of out-of-band emitted power
12/29/2010EP1925104B1 Preamble design for mimo-ofdm radio apparatus
12/29/2010EP1492292B1 Methods and systems for digital data transmission
12/29/2010CN201690470U Signal source dedicated for satellite mobile communication testing system
12/29/2010CN201690456U Sideband separation amplitude modulation broadcast signal demodulating device based on quadrature demodulation technique
12/29/2010CN1989724B Device and method for preamble detection and frame synchronization in data packet transmission
12/29/2010CN1926830B Arranging SDMA poll groups by response length
12/29/2010CN1917410B Method for encoding and modulating channel inn SCDMA system
12/29/2010CN1845539B Time-domain adaptive equalizer with overlay structure
12/29/2010CN1795624B Method and apparatus for processing multiple common frequency signals through a single cable
12/29/2010CN1681266B Frequency staggered frequency shift keying modulation method, frequency shift controller and transmitter
12/29/2010CN101933305A Transmission device and modulation method
12/29/2010CN101933303A Method and apparatus for broadcasting and receiving system information in ofdma systems
12/29/2010CN101933302A Frequency error estimation
12/29/2010CN101933301A Intercell interference mitigation
12/29/2010CN101933300A Timeslot sharing using unbalanced qpsk modulation
12/29/2010CN101933299A Fsk receiver
12/29/2010CN101933274A Method of packet retransmission and reception and wireless device employing the same
12/29/2010CN101933251A Channel sounding and estimation strategies for antenna selection in mimo systems
12/29/2010CN101932140A Method and base station for adjusting radio frame sending time
12/29/2010CN101932138A Dual modem device and controlling method thereof
12/29/2010CN101932090A System and method for intelligent transmitted power control scheme
12/29/2010CN101931963A Multi-user ranging detection and collision processing method and device
12/29/2010CN101931602A Secret signal synchronized method based on fractional Fourier transform domain
12/29/2010CN101931601A Interference detector and method thereof
12/29/2010CN101931600A Device and method for dynamically confirming CFI (Control Format Indication)
12/29/2010CN101931599A Single-frequency multicast network subframe as well as sending device and method of user data channel
12/29/2010CN101931598A Self-adaptive digital signal transmission method and system
12/29/2010CN101931594A Signal processing method for base band receiver of base station and base band receiver
12/29/2010CN101931521A Method and system for a data transmission in a communication system
12/29/2010CN101931457A Demodulation of an optical signal under control of a kalman filter
12/29/2010CN101931456A Wireless frame of mobile communication system and sending method of measurement reference signal
12/29/2010CN101931448A Method and apparatus for implementing uplink transmit diversity in a switched antenna orthogonal frequency division multiplexing communication system
12/29/2010CN101931444A Method, system and device for demodulating signal
12/29/2010CN101931437A Method and device for setting demodulation reference signal in wireless communication system
12/29/2010CN101931434A Network data conversion device based on power line carrier communication and conversion method thereof
12/29/2010CN101931432A Method and apparatus for performing frequency tracking based on diversity transmitted pilots in a CDMA communication system
12/29/2010CN101931421A Audio processing method and circuit in digital psm transmitter
12/29/2010CN101931133A USB connecting piece, USB casing and wireless modem
12/29/2010CN101383794B Method and apparatus lowering peak average ratio
12/29/2010CN101312442B Estimation method and estimation unit for frame head and integral frequency bias of receiver frame head
12/29/2010CN101291316B AFC device applying wireless medium-distance sensor network
12/29/2010CN101267416B Transmitter, receiver and its method for flexible OFDM multi-address uplink transmission
12/29/2010CN101188596B A transmitter
12/29/2010CN101166166B Pilot channel estimating system and estimating method for uplink multi-user code domain
12/29/2010CN101159727B IQ data transmission apparatus and method
12/29/2010CN101141182B Uplink synchronous tracking device and method
12/29/2010CN101099363B System and method for providing services using a single frequency in a wireless communication system
12/29/2010CN101083647B Method for realizing synchronization in multi-input multi-output OFDM system
12/29/2010CN101018362B A media access control method based on the OFDMA technology
12/29/2010CA2765253A1 Mobile terminal apparatus, radio base station apparatus, and radio communication method
12/28/2010US7860687 Analog continuous time statistical processing
12/28/2010US7860460 Wireless signal loss detection
12/28/2010US7860402 Modulating a signal according to 2n-PSK modulation
12/28/2010US7860201 Interference canceling matched filter (ICMF) and related methods
12/28/2010US7860197 Spectrum-sensing algorithms and methods
12/28/2010US7860196 Method and circuit for estimating in-phase/quadrature signal amplitude imbalance
12/28/2010US7860195 Correction circuit for improving performance in a channel decoder
12/28/2010US7860194 Method and apparatus for normalizing input metric to a channel decoder in a wireless communication system
12/28/2010US7860193 Coarse timing estimation system and methodology for wireless symbols
12/28/2010US7860192 FSK demodulator, FM demodulator, and related method with a build-in band-pass filter
12/28/2010US7860191 Optimal two-layer coherent demodulation for D-PSK (Differential Phase Shift Keying)
12/28/2010US7860190 Multi-channel timing recovery system
12/28/2010US7860188 Digital modulator for a GSM/GPRS/EDGE wireless polar RF transmitter
12/28/2010US7860187 FSK signal modulator for producing a binary FSK signal
12/28/2010US7860186 Transmitting apparatus with bit arrangement method
12/28/2010US7860184 Multi-antenna communication method and multi-antenna communicaton apparatus
12/28/2010US7860179 Combined frequency-time domain power adaptation for CDMA communication systems
12/28/2010US7860176 OFDM system with reverse link interference estimation
12/28/2010US7860175 Method for seamlessly changing power modes in an ADSL system
12/28/2010US7860172 Self clock generation structure for low power local clock buffering decoder
12/28/2010US7860051 Apparatus and method for radio communication using spatial multiplexing
12/28/2010US7860047 Wireless communication apparatus and comunication quality estimating method
12/28/2010US7859986 Carrier search methods and apparatus
12/28/2010US7859985 Control on at least one frequency selecting data carrier frequencies
12/28/2010US7859600 Arrangement for and method of projecting a level image
12/23/2010WO2010147755A2 Techniques for hierarchical encoding for multicast broadcast services in wireless communication systems
12/23/2010WO2010147423A2 Method and apparatus for transmitting midamble in wireless communication system
12/23/2010WO2010146985A1 Wireless communication system, transmitter, and wireless communication method
12/23/2010WO2010146694A1 Transmission device and reception device
12/23/2010WO2010145873A1 Method and processing arrangement for joint processing of uplink data
12/23/2010WO2010145861A1 Joint processing of uplink data in a wireless communication network
12/23/2010WO2010145608A1 Pilot frequency mapping method and adopted base station
12/23/2010WO2010145548A1 Channel state information feedback for coordinated multiple points transmission
12/23/2010WO2010145511A1 Modulation method and device
12/23/2010WO2010145498A1 Method, device and wave-division multiplexing system for generating and receiving optical orthogonal frequency division multiplexing signal
12/23/2010WO2010145488A1 Method and device for monitoring and controlling phase difference based on dqpsk modulation
12/23/2010WO2010145466A1 Method and apparatus for frequency offset estimation and correction in orthogonal frequency division multiplexing system
12/23/2010WO2010145397A1 Method and device for reducing peak-to-average power ratio of ofdma system
12/23/2010WO2010145390A1 Method for configuring indication information for frame structure in radio communication system
12/23/2010WO2010145383A1 Method and device for designing synchronization access sequences
12/23/2010WO2010145352A1 Method and apparatus for channel estimation
12/23/2010WO2010145184A1 Method and system for transmitting position reference signal
12/23/2010WO2010145176A1 Device and method for estimating time offset in orthogonal frequency division multiplexing (ofdm) system
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