Patents for H04L 27 - Modulated-carrier systems (89,721)
06/2009
06/25/2009US20090161797 Satellite detection of automatic identification system signals
06/25/2009US20090161795 Method and Apparatus for Processing a Signal
06/25/2009US20090161794 Channel adaptive video transmission system for use with layered video coding and methods for use therewith
06/25/2009US20090161792 System and Method for Adapting to a Change in Constellation Density While Receiving a Signal
06/25/2009US20090161791 Transmitter Using Linear Space-Time Codes For Wide-Band and/or Low-SNR Multiple-Antenna Wireless Communication Systems And Method Of Using Same
06/25/2009US20090161790 Pre-emphasis automatic adjusting method and data transmission system using same
06/25/2009US20090161789 Radio transmitting apparatus and radio transmitting method
06/25/2009US20090161788 Method for Receiving Frames of a Digital Stream
06/25/2009US20090161787 One-way buffered communicator
06/25/2009US20090161785 Ask modulator
06/25/2009US20090161783 Per stream rate control (psrc) for improving sysem efficiency in ofdm-mimo communication systems
06/25/2009US20090161782 Characterizing channel response based on composite gain determination
06/25/2009US20090161781 Characterizing channel response using data tone decision feedback
06/25/2009US20090161780 Optimum ber adjustment for adaptive multi-carrier modulation
06/25/2009US20090161779 Method for inter-carrier interference cancellation and equalization method, apparatus, and ofdm receiver using the method
06/25/2009US20090161778 Transmitter and Carrier Leak Detection Method
06/25/2009US20090161777 Overlay Modulation Technique for COFDM Signals Based on Amplitude Offsets
06/25/2009US20090161776 System and method for frequency diversity
06/25/2009US20090161775 Method and apparatus of assigning in wireless communication systems
06/25/2009US20090161774 Apparatus and Method for Dynamic Frequency Selection in ofdm Networks
06/25/2009US20090161773 Channel Estimation Of Orthogonal Frequency Division Multiplexed Systems
06/25/2009US20090161772 Downlink channel transmission device and method thereof
06/25/2009US20090161771 Fft carrier frequency offset estimation for ofdm signal
06/25/2009US20090161749 Method and apparatus for ifdma receiver architecture
06/25/2009US20090161748 Mmse-dfe equalization with antenna diversity for mobile dtv
06/25/2009US20090161747 Noise prediction-based signal detection and cross-talk mitigation
06/25/2009US20090161746 Receiver adjustment between pilot bursts
06/25/2009US20090161733 Radio communication system, transmitter, receiver and radio communicating method
06/25/2009US20090161728 System and method for integrating multiple radios of different protocols
06/25/2009US20090161652 Apparatus for generating down link signal, and method and apparatus for cell search in cellular system
06/25/2009US20090161623 Frame structure for an adaptive modulation wireless communication system
06/25/2009US20090161603 Wireless communication apparatus and wireless communication method
06/25/2009DE102007063480A1 Orthogonal frequency-division multiplexing method for applying in radio communication system, involves providing spectrum to communication terminal for data transmission, where spectrum consists of frequency bandwidth
06/25/2009DE102007062243A1 Information e.g. digital value, transmitting method, involves controlling voltage potentials according to signals such that potentials are changed in synchronized manner, where frequencies of signal change depending upon information
06/25/2009CA2708265A1 System and method for transmit time computation at a relay station
06/24/2009EP2073477A2 Decoding communication signals.
06/24/2009EP2073476A2 Parameter estimation for modulated signals
06/24/2009EP2073475A2 System for processing common gain values
06/24/2009EP2073474A1 Method and apparatus for transmitting an optical signal using orthogonal frequency division multiplexing
06/24/2009EP2073473A1 A Method and Device for Automatic Gain Control
06/24/2009EP2073469A2 Interference cancellation method for use in mobile communication system
06/24/2009EP2073428A1 Method for performing resource allocation in a radio communication system
06/24/2009EP2073427A2 Multi-carrier communication via sub-carrier groups
06/24/2009EP2073426A2 Multi-carrier communication via sub-carrier groups
06/24/2009EP2073421A1 Method and apparatus for transmitting a data signal over a transmission channel
06/24/2009EP2073420A1 Optimum BER adjustment for adaptive multi-carrier modulation
06/24/2009EP1856868B1 Symbol timing corrections in a multi carrier sysem by using the channel estimation
06/24/2009EP1537679B1 Sub-banded ultra-wideband communication system
06/24/2009EP1456991A4 Method and apparatus for pulse overlap pre-compensation in digitally modulated signals
06/24/2009EP1216557B1 Method for transmitting an offset modulated biorthogonal multicarrier signal (bfdm/om)
06/24/2009EP1094644B1 Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system
06/24/2009CN101467417A Encoding information in beacon signals
06/24/2009CN101467416A Transmission using partitioned blocks of multicarrier symbols
06/24/2009CN101467415A Multiplexing of information streams
06/24/2009CN101467414A Progressively broadcasting information in beacon signals
06/24/2009CN101467413A Preamble structure and acquisition for a wireless communication system
06/24/2009CN101467412A Signal detection in multicarrier communication system
06/24/2009CN101467411A Subcarrier truncating data transmission scheme in OFDM system
06/24/2009CN101467410A Multi-resolution mode OFDM system and method
06/24/2009CN101467409A Packet detection
06/24/2009CN101465837A System for processing common gain values
06/24/2009CN101465836A Communication system and parameter estimation
06/24/2009CN101465835A Channel response estimation method of OFDM system and correcting system
06/24/2009CN101465834A DFT/IDFT transformation system for 3GPP LTE/4G wireless communication
06/24/2009CN101465833A Synchronization method and apparatus for OFDM signal timing
06/24/2009CN101465832A Optimum BER adjustment for adaptive multi-carrier modulation
06/24/2009CN101465831A Method and device for obtaining frequency spectrum parameter and network setting method
06/24/2009CN101465830A Method, system and device for sending and receiving synchronous information
06/24/2009CN101465829A Method and apparatus for transmitting and receiving layered modulation data
06/24/2009CN100505823C Robust mode staggercasting storing content
06/24/2009CN100505728C Method and apparatus for reduction of distortion in a feedforward amplifier
06/24/2009CN100505727C OFDM transmitter
06/24/2009CN100505726C OFDM receiver
06/24/2009CN100505725C Channel equalization method of OFDM system
06/24/2009CN100505724C Null symbol detection device
06/24/2009CN100505723C Vector rotary timed error detector and its method for obtaining timed error signals
06/24/2009CN100505722C Auxiliary reference detector of punctual arm and method for obtaining signal of timing error
06/24/2009CN100505721C Frequency offset detection and processing system and method
06/24/2009CN100505720C Method of executing bit sgnchronization in frequency shift key control receiver
06/24/2009CN100505719C Radio reception apparatus, symbol timing control method
06/24/2009CN100505602C Apparatus and method for increasing channel capacity of mobile communication system
06/24/2009CN100505599C Physical layer automatic repeat request (arq) method
06/24/2009CN100505598C Eliminator for interference wave caused by interference
06/24/2009CN100505597C A novel OFDM frequency deviation evaluation and tracking scheme
06/24/2009CN100505596C A channel estimation method adapted for OFDMA system
06/24/2009CN100505595C OFDM time synchronous method based on training sequence
06/24/2009CN100505577C Method and apparatus for utilizing channel state information in a wireless communication system
06/24/2009CN100505514C Device including a circuit with adjusting means for adjusting at least one characteristic signal value of a modulated signal
06/23/2009USRE40779 Communication system
06/23/2009US7551905 Distortion compensation apparatus
06/23/2009US7551904 Apparatus and method for high efficiency power amplification for a mobile communication system
06/23/2009US7551903 Reflecting modulator circuit comprising a negative impedance amplifier
06/23/2009US7551697 Reduced complexity soft-output noncoherent continuous phase demodulator systems
06/23/2009US7551696 Method and apparatus of detecting ISI/ICSI in an OFDM system
06/23/2009US7551695 Verification of the antenna weights of the base station in a UMTS mobile radio receiver by use of the Viterbi algorithm with fed-back transmission diversity
06/23/2009US7551694 Limiter based analog demodulator
06/23/2009US7551693 High-frequency HomePNA
06/23/2009US7551692 Frequency recovery apparatus and method for use in digital broadcast receiver
06/23/2009US7551691 Receiver for a multi-carrier communication system
06/23/2009US7551688 Waveforms for envelope tracking transmitter