Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2007
07/10/2007CA2346714C Receiver for ofdm packet communication system
07/10/2007CA2313818C Demodulation method for receiver
07/05/2007WO2007075463A2 Synchronization channel for ofdma based evolved utra downlink
07/05/2007WO2007074663A1 Transmitter apparatus
07/05/2007WO2007074524A1 Digital wireless communication method, transmitter and receiver using multilevel modulation scheme
07/05/2007WO2007074388A2 Estimating channel responses, frequency and timing offset using polynomial equations
07/05/2007WO2007074376A2 Priority based transmission based on channel quality using power sequencing
07/05/2007WO2007074373A2 Dynamic modulation dependent on transmission power
07/05/2007WO2007074371A2 Apparatus, method and computer program product providing frequency domain multiplexed multicast and unicast transmissions
07/05/2007WO2007056755A3 Modulation type determination for evaluation of transmitter performance
07/05/2007WO2007055653A3 Peak-to-average power reduction
07/05/2007WO2007055652A3 Rf power distribution in the frequency domain
07/05/2007WO2007055647A3 Rake receiver with variable bandwidth in order to minimize guard bands
07/05/2007WO2007051037A3 A method and apparatus for transmitting and receiving a quickchannelinfo block in active state in wireless communication system
07/05/2007WO2007046558B1 Modulating/demodulating method, modulating apparatus and demodulating apparatus
07/05/2007WO2007039823A3 Ofdm reception in a multi-antenna mode
07/05/2007WO2007036866A3 A method, a program and a module to estimate a doppler maximum frequency and an oscillator frequency offset, receiver including the module
07/05/2007WO2007034448A3 Space-time coded mb-ofdm uwb system
07/05/2007WO2006115717A3 Power control system for a continuous time mobile transmiter
07/05/2007US20070157278 Contention-based access to tones in orthogonal frequency division multiplexing (ofdm) waveform
07/05/2007US20070157277 Multipoint-to-point communication using orthogonal frequency division multiplexing
07/05/2007US20070155323 Transmitting/receiving apparatus and transmitting/receiving method
07/05/2007US20070153944 Frequency adjustment of wireless telecommunication device
07/05/2007US20070153942 Method and system for decoding single antenna interference cancellation (SAIC) and redundancy processing adaptation using frame process
07/05/2007US20070153940 Correction circuit
07/05/2007US20070153939 Method of differential-phase/absolute-amplitude qam
07/05/2007US20070153936 Digitally convertible radio
07/05/2007US20070153935 Method and device for cancelling interference in wireless communication system
07/05/2007US20070153934 Constant uneven power loading in beamforming systems for high throughput wireless communications
07/05/2007US20070153933 Dtv transmitter and method of coding data in dtv transmitter
07/05/2007US20070153932 Ofdm communication system and method having a reduced peak-to-average power ratio
07/05/2007US20070153921 QoS control method for transmission data for radio transmitter and radio receiver using the method
07/05/2007US20070153886 Isolator and a modem device using the isolator
07/05/2007US20070153880 Dynamic switching of carrier tracking loops without loss of tracking information
07/05/2007US20070153879 Apparatus and method for estimating and combining frequency errors in a mobile communication system
07/05/2007US20070153877 Ultra-wideband high data-rate communication apparatus and methods
07/05/2007US20070153761 Device And Method For Preamble Detection And Frame Synchronization In Data Packet Transmission
07/05/2007US20070153673 Orthogonal frequency multi-carrier transmission device and transmission method
07/05/2007DE20321413U1 Kommunikationsnetz über Stromtransportleitung Communication network via electricity transmission line
07/05/2007DE102006000639A1 Empfänger und Verfahren zum optimierten Demodulieren und Dekodieren von digitalen Funksignalen Receiver and method for optimized demodulating and decoding digital radio signals
07/05/2007DE102005061865A1 Increasing information density in signal transmission lines for detecting position of shift lever on motor vehicle automatic gearbox involves transmitting a modulated signal containing a coded pulsed signal superimposed on a digital signal
07/04/2007EP1804453A1 Digital signal transmitting apparatus
07/04/2007EP1804452A1 Scheduling of control channels in multicarrier transmission systems
07/04/2007EP1804451A2 Apparatus and method for determining pilot pattern in a broadband wireless access communication system
07/04/2007EP1804450A1 Allocating data in a multi-carrier digital subscriber line system
07/04/2007EP1804413A2 Communication system and method of dynamic space-frequency-division multiple-access for uplink from terminals to base-station
07/04/2007EP1804409A1 Method and device for reporting information related to interference components received by a first telecommunication device in some frequency subbands to a second telecommunication device
07/04/2007EP1804404A1 Communication device and scheduling method
07/04/2007EP1804396A2 Receiver and method for optimised demodulation and decoding of digital radio signals
07/04/2007EP1804391A1 Radio transmitter and pilot signal inserting method
07/04/2007EP1803269A1 Method and system of radio communicationswith various resolution levels of signal modulation depending on propagation conditions
07/04/2007EP1803268A2 Receiver apparatus, and associated method, for operating upon data communicated in a mimo, multi-code, mc-cdma communication system
07/04/2007EP1803247A1 Radio communication system, radio transmission apparatus and radio reception apparatus
07/04/2007EP1479186B1 Method and system for receiving a multi-carrier signal
07/04/2007EP1307991A4 Scalable pattern methodology for multi-carrier communication systems
07/04/2007CN2919710Y Big dynamic spread spectrum signal receiving and processing module
07/04/2007CN1994014A Transmission of overhead information for broadcast and multicast services in a wireless communication system
07/04/2007CN1993958A Complex signal scaling for phase and/or amplitude modulated signals
07/04/2007CN1993957A Chanel management using preamble containing frequencyuse information
07/04/2007CN1993956A Channel estimation for a wireless communication system
07/04/2007CN1993955A Wireless communication system with configurable cyclic prefix length
07/04/2007CN1993954A FFT carrier frequency offset estimation of OFDM signal
07/04/2007CN1993953A Radio transmission device, radio reception device, radio transmission method, and radio reception method
07/04/2007CN1993952A Modulator with instantaneous modulation scheme switching in multi-time slot and multi-mode operation, for a wireless communication equipment
07/04/2007CN1993951A Enhanced bit mapping for digital interface of a wireless communication equipment in multi-time slot and multi-mode operation
07/04/2007CN1993950A Device and method for improving the signal to noise ratio by means of complementary sequences
07/04/2007CN1993919A Multiplexing of w-cdma and OFDM signal in a wireless communication system
07/04/2007CN1993916A Coding and modulation for broadcast and multicast services in a wireless communication system
07/04/2007CN1993886A Low current direct conversion transmitter architecture
07/04/2007CN1992855A Portable multimedia recording and playing apparatus and multithread testing method
07/04/2007CN1992704A Orthogonal amplitude mod/demod apparatus for OFDM system
07/04/2007CN1992703A Method of coding data, decoding method, transmitter and receiver
07/04/2007CN1992702A Radio communications device and radio communications controlling method
07/04/2007CN1992701A Accessing method for staggered OFDM and apparatus
07/04/2007CN1992700A Time-frequency synchronization method for multi-antenna OFDM communication system
07/04/2007CN1992699A OFDM system of broad band backward compatibility and method thereof
07/04/2007CN1992698A Method for detecting robustness mode in radio communication system
07/04/2007CN1992697A Method of coarse symbol timing estimation employed in a radio communication system
07/04/2007CN1992696A Multi-user signal receiving method in multi-carrier wireless communication system
07/04/2007CN1992695A Adaptive bit power distribution method for OFDM system
07/04/2007CN1992694A Channel synchronization method based on OFDM technology
07/04/2007CN1992693A Channel synchronization method
07/04/2007CN1992692A Channel synchronization method with OFDM technology
07/04/2007CN1992691A Channel synchronization method based on OFDM technology
07/04/2007CN1992690A Emitting method of pilot data, base station controller, channel evaluation method and apparatus
07/04/2007CN1992689A Method for improving inter-carrier interference of OFDM system
07/04/2007CN1992688A Method for adjusting the unbalance of I/Q amplitude in wireless transceiver system
07/04/2007CN1992584A Code sending, receiving device of space-code block in personal network MC-SS system and method thereof
07/04/2007CN1992552A System and method for up-link communication of dynamic space frequency-division user terminal to base station
07/04/2007CN1992543A Circuit arrangement for reducing a crest factor, and method for reducing a signal dynamic range
07/04/2007CN1324926C Method for controlling operational states of a MAC layer in an OFDM mobile communication system
07/04/2007CN1324925C Qualification and selection of the frequency channels for an adaptive frequency hopping method by means of field strength measurement
07/04/2007CN1324868C Demodulation apparatus and method in communication system employing 16-ary QAM
07/03/2007US7240232 Connection device capable of converting a pixel clock to a character clock
07/03/2007US7239876 Method for increased location receiver sensitivity
07/03/2007US7239859 Method and system for establishing a telephony data connection to receiver
07/03/2007US7239843 Method for the interference-free communication during the operation of a jamming transmitter
07/03/2007US7239678 Front end automatic gain control circuit using a control word generator
07/03/2007US7239677 Method and apparatus for soft symbol scaling
07/03/2007US7239676 Method of differential-phase/absolute-amplitude QAM