Patents for H04L 27 - Modulated-carrier systems (89,721)
02/2009
02/12/2009US20090041468 Method for recovering distorted optical signal by equalizing unit
02/12/2009US20090041167 Demodulator, Receiver, and Demodulation Method
02/12/2009US20090041166 Method and apparatus to improve information decoding when its characteristics are known a priori
02/12/2009US20090041165 Receiver apparatus
02/12/2009US20090041164 Apparatus and method to generate convolution encoded data
02/12/2009US20090041163 Selecting Delay Values for a RAKE Receiver
02/12/2009US20090041162 Searcher for multiple orthogonal channels with known data wcdma step2 search
02/12/2009US20090041160 Taps for data from hardware engines in a receiver
02/12/2009US20090041159 Power control for respective hardware engines in wireless receiver
02/12/2009US20090041158 Digital demodulating apparatus, digital receiver, controlling method of the apparatus, computer program product, and recording medium recording thereon the product
02/12/2009US20090041157 Medium loss high power IBOC combiner
02/12/2009US20090041156 UWB System Employing Gaussian Minimum Shift Key Modulation, Common Mode Signaling, and Beamforming
02/12/2009US20090041153 Mimo receivers having one or more additional receive paths
02/12/2009US20090041152 Apparatus and method for generating per stream effective signal to noise ratio in a multiple-input multiple-output wireless communication system
02/12/2009US20090041151 Pilot boosting and traffic to pilot ratio estimation in a wireless communication system
02/12/2009US20090041150 Method and apparatus of codebook-based single-user closed-loop transmit beamforming (SU-CLTB) for OFDM wireless systems
02/12/2009US20090041145 Method to detect data transmitted from multiple antennas and system thereof
02/12/2009US20090041144 Multi-user mimo receiver and method for decoding simultaneous uplink transmissions from mobile stations
02/12/2009US20090041143 Multi-carrier transmission system
02/12/2009US20090041142 Pilot pattern design for an ofdm system
02/12/2009US20090041141 Pilot pattern design for an ofdm system
02/12/2009US20090041140 Method for blindly detecting a precoding matrix index
02/12/2009US20090041139 Apparatus and method for transmitting/receiving uplink control channels in a wireless communication system
02/12/2009US20090041138 Efficient cqich transport format
02/12/2009US20090041137 Individual interleaving of data streams for mimo transmission
02/12/2009US20090041135 Null detection in dab, t-dmb, and dab-ip systems
02/12/2009US20090041134 Methods and Apparatus for Channel Estimation for Wideband Ofdm Communication Systems
02/12/2009US20090041107 Finite-length equalization over multi-input multi-output channels
02/12/2009US20090041104 Phase and Frequency Recovery Techniques
02/12/2009US20090041100 Link aware mobile data network
02/12/2009US20090041099 Link interface technique including data indicator symbols
02/12/2009US20090041092 Method for transmitting and receiving data in a multi-carrier system
02/12/2009US20090040975 Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
02/12/2009US20090040940 Off-line broadband network interface
02/12/2009US20090040876 Receiving device, radio clock, and receiving method
02/12/2009US20090039914 System for transmission line termination by signal cancellation
02/12/2009DE102007055529A1 Verfahren und Anordnung zum Erzeugen eines frequenzmodulierten Signals Method and arrangement for generating a frequency-modulated signal
02/12/2009CA2695632A1 Pulse shaping for egprs-2
02/11/2009EP2023561A1 Wireless base station, mobile station, wireless communication system, and wireless communication method
02/11/2009EP2023560A1 Apparatus and method for controlling the timing delay of radio terminals in an OFDM-type radio network
02/11/2009EP2023558A1 Wireless communication devce, wireless communication system and wireless communication method
02/11/2009EP2023556A2 System and method for avoiding stall using timer for high speed downlink packet access system
02/11/2009EP2023519A1 Wireless receiver, wireless communication system and wireless receiving method
02/11/2009EP2022228A2 Frequency hopping of pilot tones
02/11/2009EP2022204A2 Enhanced channel estimation for communication system receiver
02/11/2009EP1867121B1 Demodulation and amplification regulation concept, in particular for IR receivers
02/11/2009EP1685675B1 Multi-carrier ofdm uwb communications systems
02/11/2009EP1540848B1 Flexible tdma system architecture
02/11/2009EP1338085B1 A direct digital amplitude modulator
02/11/2009EP0968571B1 Method and arrangement for forming an address for corrector table employed in signal predistortion
02/11/2009CN101366307A Method and apparatus of preprocessing for frequency domain signal processing
02/11/2009CN101366306A Method and apparatus for multiplexing multiple reverse feedback channels in multi-carrier wireless networks
02/11/2009CN101366256A Methods and apparatus for frequency tracking of a received signal
02/11/2009CN101366255A Method and apparatus for overhead reduction of signaling messages
02/11/2009CN101366254A Dual carrier modulator for a multiband OFDM transceiver
02/11/2009CN101366253A Symbol synchronization for OFDM systems
02/11/2009CN101366252A Limiter based analog demodulator
02/11/2009CN101366250A Composite crest factor reduction
02/11/2009CN101366224A Puncturing signaling channel for a wireless communication system
02/11/2009CN101365214A Method and apparatus for reverse access channel detection signal
02/11/2009CN101364969A 400 to 470 MHz wireless video signal QPSK modulator
02/11/2009CN101364968A Radio transmitter using cartesian loop
02/11/2009CN101364967A Receiving machine frequency response recognition method, apparatus and compensating method
02/11/2009CN101364966A Time-domain channel estimation method for MIMO OFDM downlink system
02/11/2009CN101364965A Method for recognition of transmission parameter signaling (tps) at frequency domain in a tds-ofdm receiver
02/11/2009CN101364964A Frequency bias estimation method for radio communication system uplink
02/11/2009CN101364963A Prefix channel data transmitting method and apparatus in frequency division multiplexing system
02/11/2009CN101364853A Carrier sensing method for multi-point access system
02/11/2009CN101364846A Sub-carrier noise power estimation method based on pilot
02/11/2009CN101364831A Method for channel estimation
02/11/2009CN101364816A Large capacity spot type answering machine
02/11/2009CN101364815A Processing method for read-write device of portable wireless answering machine
02/11/2009CN100461787C Reception device and method of reception timing detection
02/11/2009CN100461660C Method and system for demultiplexing non-intensity modulated wavelength division multiplexed (WDM) signals
02/11/2009CN100461656C Synchronous signal detecting circuit device and detecting method of said device detecting synchronous signal
02/10/2009US7490345 Upstream only linecard with front end multiplexer for CMTS
02/10/2009US7489934 OFDMA with adaptive subcarrier-cluster configuration and selective loading
02/10/2009US7489909 Method and apparatus for controlling a TX power amplifier
02/10/2009US7489908 Method and apparatus for controlling a TX power amplifier
02/10/2009US7489907 Transmitter for suppressing a variation in input level of a multicarrier signal
02/10/2009US7489748 Method for the reception of a signal that has undergone a linear precoding and a channel coding, corresponding reception device and computer program product
02/10/2009US7489747 Decision directed flicker noise cancellation
02/10/2009US7489746 MIMO receiver using maximum likelihood detector in combination with QR decomposition
02/10/2009US7489745 Reconfigurable direct RF bandpass sampling receiver and related methods
02/10/2009US7489742 System and method for clock recovery in digital video communication
02/10/2009US7489738 Pre-emphasis automatic adjusting method and data transmission system using same
02/10/2009US7489737 Delay adjustment device and method, and radio base station apparatus
02/10/2009US7489736 Block modulation
02/10/2009US7489733 Channel estimation using a minimized channel prediction interval
02/10/2009US7489732 Decreasing computational complexity of TD-SCDMA measurement process
02/10/2009US7489731 Communication system using OFDM
02/10/2009US7489730 Cross-encoding of information in independent channels
02/10/2009US7489722 Apparatus for production of scrambling codes and preambles
02/10/2009US7489624 Scanning by remotes in multipoint-to-point communication using orthogonal frequency division multiplexing
02/10/2009US7489623 Control modulation in multipoint-to-point communication using orthogonal frequency division multiplexing
02/10/2009US7489622 Transmitting apparatus, receiving apparatus, communication system, transmission method, reception method, and communication method
02/10/2009US7489621 Adaptive puncturing technique for multicarrier systems
02/10/2009CA2536234C Apparatus and method for reducing papr in ofdm communication system
02/10/2009CA2376319C Noise level estimation
02/07/2009WO2009081575A1 Electronic tuner and high frequency receiving device using the same