Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2002
07/31/2002EP1227586A2 Portable radio terminal and AFC control method
07/31/2002EP1226673A1 Fixed ofdm wireless man utilizing cpe having internal antenna
07/31/2002EP1226652A1 Ultra wide band base band receiver
07/31/2002CN1361973A Line termination device for a telephone subscriber line
07/31/2002CN1361644A PLL circuit and radio communication terminal machine
07/31/2002CN1361640A Chain-circuit self-adaption method and equipment for radio data blocking depends on data subgroup size
07/31/2002CN1361519A Timing and frequency shift system and method using analytic sound for OFDM system
07/31/2002CN1088547C Method for determining a phase error in radio-frequency signal, and a receiver
07/30/2002US6426982 Low complexity multiple bits matched filter
07/30/2002US6426981 Process and device for decoding a radio frequency transmission channel, especially for a terrestrial digital broadcast using OFDM modulation
07/30/2002US6426980 Method and apparatus for communicating a call
07/30/2002US6426978 Digital communication systems and methods for differential and/or amplitude encoding and decoding secondary symbols
07/30/2002US6426972 Reduced complexity equalizer for multi mode signaling
07/30/2002US6426939 Method for preventing a collision of an extended orthogonal code
07/30/2002US6426934 One-bit data reproducing system having controllable low pass filter characteristics
07/30/2002CA2287001C Fast start-up in discrete multi-tone (dmt) based communications systems
07/25/2002WO2002058413A2 Apparatus and method for operating a subscriber interface in a fixed wireless system
07/25/2002WO2002058411A2 System and method for on-line insertion of line replaceable units in wireless and wireline access systems
07/25/2002WO2002058410A2 Apparatus and associated method for operating upon data signals received at a receiving station of a fixed wireless access communication system
07/25/2002WO2002058409A2 Apparatus and method for creating signal and channel profiles at a receiving station
07/25/2002WO2002058368A2 Network termination at subscriber premises with automatic switchover to a lifeline network on power loss
07/25/2002WO2002058354A1 System and method for providing frequency domain synchronization for single carrier signals
07/25/2002WO2002058313A1 Receiver for receiving data frames containing information and signaling data
07/25/2002WO2002058310A2 Fast initialization using seamless rate adaptation
07/25/2002WO2002058305A2 Time and bandwidth scalable slot format for mobile data systems
07/25/2002WO2002058300A1 Multi-carrier communication with time division multiplexing and carrier-selective loading
07/25/2002WO2002058294A1 Peak power suppressing apparatus and peak power suppressing method
07/25/2002WO2002058277A1 System for coordination of tdd transmission bursts within and between cells in a wireless access system and method of operating said system
07/25/2002WO2002058271A2 Frequency domain equalisation with decision feedback
07/25/2002WO2002058250A2 Carrier phase recovery system for adaptive burst modems and link hopping radio networks
07/25/2002WO2002057925A2 System and method for providing an improved common control bus for use in on-line insertion of line replaceable units in wireless and wireline access systems
07/25/2002WO2002057924A2 Serial link architecture
07/25/2002WO2002057919A2 Redundant telecommunication system using standby unit memory updating apparatus and method of operation
07/25/2002WO2002045387A3 Synchronization, channel estimation and pilot tone tracking system
07/25/2002WO2002041518A3 System and method for compensating for frequency offset
07/25/2002US20020098871 Base transceiver station with distortion compensation
07/25/2002US20020098869 System and method for on-line insertion of line replaceable units in wireless and wireline access systems
07/25/2002US20020098863 Broadband driver
07/25/2002US20020098858 Apparatus for reallocating communication resources to establish a priority call in a fixed wireless access communication system
07/25/2002US20020098852 Methods and apparatus for identifying as set location in communication networks
07/25/2002US20020098817 Portable radio terminal and AFC control method
07/25/2002US20020098799 Apparatus and method for operating a subscriber interface in a fixed wireless system
07/25/2002US20020098798 Communication system with multicarrier telephony transport
07/25/2002US20020098797 Acquisition and tracking in communication system with multicarrier telephony transport
07/25/2002US20020098796 Hybrid/fiber coax video and telephony communication system with poly-phase filtering
07/25/2002US20020098795 Communicating errors in a telecommunications system
07/25/2002US20020097863 Single ended analog front end
07/25/2002US20020097824 Superframe alignment to a pre-existing ADSL data exchange
07/25/2002US20020097820 System and method for inverting automatic frequency control (AFC)
07/25/2002US20020097814 Iterative carrier phase tracking decoding system
07/25/2002US20020097813 System and method for providing frequency domain synchronization for single carrier signals
07/25/2002US20020097812 In-phase and quadrature-phase rebalancer
07/25/2002US20020097811 Transmission device and transmission method
07/25/2002US20020097810 Power control apparatus and power control method
07/25/2002US20020097808 Digitally-controlled line build-out circuit
07/25/2002US20020097796 Method and apparatus for demodulating and equalizing an AM compatible digital audio broadcast signal
07/25/2002US20020097793 Apparatus and associated method for operating upon data signals received at a receiving station of a fixed wireless access communication system
07/25/2002US20020097791 Method and apparatus for constellation mapping and bitloading in multi-carrier transceivers, such as DMT-based DSL transceivers
07/25/2002US20020097787 Processing for improved performance and reduced pilot
07/25/2002US20020097694 Method for establishing a prioirity call in a fixed wireless access communication system
07/25/2002US20020097685 Apparatus and method for creating signal and profiles at a receiving station
07/25/2002US20020097670 Redundant telecommunication system using memory equalization apparatus and method of operation
07/25/2002US20020097669 Device for receiving OFDM signal, and method for restoring signal by channel estimation
07/25/2002US20020097668 Communication device for receiving and transmitting OFDM signals in a wireless communication system
07/25/2002US20020097592 Frequency voltage converter
07/25/2002US20020097564 System and method for providing an improved common control bus for use in on-line insertion of line replaceable units in wireless and wireline access systems
07/25/2002US20020097336 Communication system
07/25/2002US20020097182 Methods and apparatus for identifying asset location in communication networks
07/25/2002DE10160821A1 Ein Signalerfassungsschema für Datenkommunikationsverbindungen A signal detection scheme for data communication links
07/25/2002DE10102863A1 Schaltungsanordnung Circuitry
07/25/2002DE10100952A1 Verfahren zur gleichzeitigen Übertragung mehrerer Datenströme Method for the simultaneous transmission of multiple data streams
07/25/2002DE10100555A1 Frequency modulated carrier frequency signal circuit for generating phase-rigid signal from frequency generator, modulated by digital data such that signal is generated whose frequency is identical with that of reference frequency.
07/25/2002CA2436858A1 Fast initialization using seamless rate adaptation
07/24/2002EP1225740A2 Circuit arrangement
07/24/2002EP1225739A1 Radio communication receiver
07/24/2002EP1225738A1 Adaptive bidirectional modem with filtering means common to the emission and the reception blocks and arranged to operate alternately
07/24/2002EP1225720A2 Clock synchronizing circuit
07/24/2002EP1224784A2 Demodulator circuit for demapping a multi-carrier signal using channel state information
07/24/2002EP1224780A2 Baseband processor with look-ahead parameter estimation capabilities
07/24/2002EP1224763A1 Method and apparatus for communicating a call
07/24/2002EP1224745A1 Transmit power control for mcpa-equipped base stations
07/24/2002EP1224743A2 Switched sideband frequency low-if transmitter
07/24/2002EP1224742A1 Universal platform for software defined radio
07/24/2002EP1224741A1 Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal
07/24/2002EP1224730A1 Fsk demodulator using a frequency conversion stage with three parallel mixers
07/24/2002EP0894390B1 Digital radio frequency interference canceller
07/24/2002EP0800737A4 Multiple access digital transmitter and receiver
07/24/2002EP0592686B1 Receiver for digital communication system
07/24/2002CN1360789A Electronic inductor with transmit signal telephone line driver
07/24/2002CN1360781A Power control scheme for maximizing carrier signal-to-noise ratio in multicarrier transmitters
07/24/2002CN1360411A 传输电路 Transmission circuit
07/24/2002CN1088301C Trellis coded modulation system for HDTV
07/24/2002CN1088297C Frequency modulated signal demodulator circuit and communication terminal equpment
07/23/2002USRE37802 Multicode direct sequence spread spectrum
07/23/2002US6424932 Methods and apparatus for measuring spectral energy
07/23/2002US6424690 Two-thirds rate modulation and coding scheme for Rayleigh fading channels
07/23/2002US6424685 Polar computation of branch metrics for TCM
07/23/2002US6424683 Circuit for demodulating two-dimensional data symbols transmitted by a carrier-based data transmission
07/23/2002US6424682 BPSK encoder circuit
07/23/2002US6424681 Peak to average power ratio reduction