Patents for H04L 25 - Baseband systems (55,083)
12/2004
12/16/2004US20040251403 Peak and bottom detectors in burst mode optical receiver
12/16/2004DE10322943A1 Hardware-Vorrichtung zur Aufbereitung von Pilotsymbolen für eine Kanalschätzung mittels adaptiver Tiefpassfilterung Hardware Device for conditioning pilot symbols for a channel estimation by means of adaptive low-pass filtering
12/16/2004DE102004013641A1 Schaltung mit Stromschaltlogik für die bidirektionale Datenübertragung Circuit current switching logic for bidirectional data transfer
12/16/2004CA2527335A1 Receiving apparatus with hybrid equalizer and rake receiver and corresponding method of receiving
12/15/2004EP1487165A1 TD-SCDMA channel estimation method and apparatus
12/15/2004EP1486056A2 Method and system for video and auxiliary data transmission over a serial link
12/15/2004EP1486051A1 M-ary orthagonal coded communications method and system
12/15/2004EP1486043A2 Adaptive equalizer which is independent of the amplitude of the transmitted signal
12/15/2004EP1486037A1 Rf and baseband subsystems interface
12/15/2004EP1485991A2 Slicing algorithm for multi-level modulation equalizing schemes
12/15/2004EP1260027B1 Dc-offset correction circuit having a dc control loop and a dc blocking circuit
12/15/2004EP1161798A4 Translation table design for a pcm modem
12/15/2004EP1157475A4 DISTINGUISHING RECEIVED A-LAW AND $g(m)-LAW SIGNALS IN A PCM MODEM
12/15/2004CN1555640A Method and apparatus for cancelling co-channel interference in a receiving system using spatio-temporal whitening
12/15/2004CN1555639A Method and apparatus for adjusting delay in systems with time-burst pilot and fractionally spaced equalizers
12/15/2004CN1555638A Adaptive selection of the pilot filter for a wireless communication system
12/15/2004CN1555621A Method and apparatus for interference signal code power and noise variance estimation
12/15/2004CN1555613A Receiving method based on MIMO CDMA
12/15/2004CN1555608A Mode controller for signal acquisition and tracking in an ultra wideband communication system
12/15/2004CN1555519A Method for transmitting data flows and warm start sequence
12/15/2004CN1555148A Central momdom based on user communications system
12/15/2004CN1555004A Display card for increasing video play smooth degree
12/15/2004CN1180589C Enhanced cut prediction of feedback
12/15/2004CN1180588C Arrangement for reducing power dissipation in line driver
12/15/2004CN1180562C Receiving method based on time-frequency diversity
12/15/2004CN1180553C Channel estimating apparatus and method and CDMA receiver and method and CDMA receiving method
12/14/2004US6832332 Automatic detection and correction of marginal data in polling loop system
12/14/2004US6832080 Apparatus for and method of adapting a radio receiver using control functions
12/14/2004US6831958 Timing recovery device using a fixed equalizer
12/14/2004US6831954 Apparatus, and associated method, for compensating for distortion introduced upon a send signal by an amplifier
12/14/2004US6831944 Reduced computation in joint detection
12/14/2004US6831905 Spread spectrum system assigning information signals to message-code signals
12/14/2004US6831551 Method and system for modulating a carrier frequency to support nondestructive bitwise arbitration of a communication medium
12/14/2004US6831488 Semiconductor integrated circuit device having an active pull-up/pull-down circuit
12/14/2004US6831478 Open drain type output buffer
12/14/2004US6831453 Determining the magnitude of pulses
12/09/2004WO2004107768A2 Partially coherent constellations for multiple-antenna systems
12/09/2004WO2004107694A1 Method and architecture for wireless communication networks using cooperative relaying
12/09/2004WO2004107693A1 Method and system for wireless communication networks using relaying
12/09/2004WO2004107692A1 High-speed serial link receiver with centrally controlled offset cancellation
12/09/2004WO2004107691A1 Channel estimation for frequency selective multipath channels with long delay spreads
12/09/2004WO2004107690A1 Method for reducing channel estimation error in an ofdm system
12/09/2004WO2004107602A1 Power supply via data lines in local networks
12/09/2004WO2004107588A2 Method and device for frequency translation in powerline communications
12/09/2004WO2004107067A1 A method and a tool for allocating computational resources in a distributed control system
12/09/2004WO2004062165A3 Method for improving performance of wireless systems at high speeds
12/09/2004US20040250002 Accessory control interface
12/09/2004US20040249987 Integrated digital circuit and method for operating an integrated digital circuit
12/09/2004US20040248541 Apparatus and method for performing channel estimations using non-linear filter
12/09/2004US20040248522 Channel estimation sequence and method of estimating a transmission channel which uses such a channel estimation sequence
12/09/2004US20040247108 Digital access arrangement circuitry and method having current ramping control of the hookswitch
12/09/2004US20040247064 Differential detector
12/09/2004US20040247057 Automatic gain control apparatus with short settling time
12/09/2004US20040247055 Equalizers for multi-branch receiver
12/09/2004US20040247053 Method for detecting a signal and receiver system for the implementation of the method
12/09/2004US20040247051 Manchester code delta detector
12/09/2004US20040247048 Method of differential-phase/absolute-amplitude QAM
12/09/2004US20040247046 Device for wlan baseband processing with dc offset reduction
12/09/2004US20040247038 Ofdm receiving apparatus and ofdm signal correction method
12/09/2004US20040247036 Differential line receiver
12/09/2004US20040247020 Cross-system interference cancellation for multicarrier cdma and ofdm
12/09/2004US20040247018 Segment-wise channel equalization based data estimation
12/09/2004US20040246998 Physical layer structures and initial access schemes in a unsynchronized communication network
12/09/2004US20040246889 Radio apparatus and adaptive array processing method
12/09/2004US20040246886 Estimating a transmission channel with pilot symbols distributed in lattice structure
12/09/2004US20040246613 Voltage mode current-assisted pre-emphasis driver
12/09/2004US20040246060 Modulation system
12/09/2004US20040246026 Method and apparatus for multi-mode driver
12/09/2004US20040245971 System to control integrated circuit resonance
12/09/2004US20040245963 Feedback system to control integrated circuit resonance
12/09/2004DE202004004637U1 Actuator-sensor (AS) interface for network with impedance as network closure end, voltage supply and network through, two-wire cable coupled to voltage supply, to which are coupled several communication appliances
12/09/2004DE10361992A1 Verfahren zur Verschlüsselung digitalisierter Information Method for encrypting digitized information
12/09/2004DE10321743A1 Verbesserte Kanaldecodierung bei der Mehrträger-Signalübertragung durch DC-Offset- und Trägerfrequenz-Offset-abhängige Gewichtung von Zuverlässigkeitsinformationen Improved channel decoding in the multi-carrier signal transmission by DC offset and carrier frequency offset-dependent weighting of reliability information
12/09/2004DE10320719A1 Verfahren und System zur kombinierten Spannungsversorgung für Busgeräte Method and system for combined voltage supply for bus devices
12/09/2004DE10320229A1 Combined transmission of analogue and digital information as alternating wave, encodes analog signal as amplitudes, digital signal in terms of cycle timings
12/09/2004DE10164796B4 Vorrichtung und Verfahren zum Charakterisieren eines Übertragungskanals An apparatus and method for characterizing a communication channel
12/09/2004CA2522588A1 Method and system for wireless communication networks using relaying
12/09/2004CA2519695A1 Power supply via the data lines in local area networks
12/08/2004EP1484888A2 Method and system to provide blade server load balancing using spare link bandwidth
12/08/2004EP1484879A2 Two-wire data communication
12/08/2004EP1484878A2 Data reception method, data reception apparatus and data transmission system
12/08/2004EP1484877A2 Separation of desired radio signals from cochannel interference
12/08/2004EP1484872A2 Method and system to provide word-level flow control using spare link bandwidth
12/08/2004EP1483871A2 Accessory control interface
12/08/2004EP1305922B1 Ground level shift detection in can systems
12/08/2004EP1190531B1 Pass-driver circuit for a two-conductor bus-system
12/08/2004EP0699360A4 Method and apparatus for signal transmission and reception
12/08/2004CN1554189A Method and apparatus for transferring channel information in OFDM communications
12/08/2004CN1553709A Base band OQAM signal generating method in digital ground broadcasting transmission
12/08/2004CN1553670A Signal clipper and its method
12/08/2004CN1553628A Method for realizing chain circuit polymer function based on strategy route
12/08/2004CN1553621A Guiding plan based on time frequency synchronous training sequence
12/08/2004CN1553617A Baseband receiving synchronous acquiring method and apparatus for CDMA system
12/08/2004CN1553616A United time-space multi-path searching method and apparatus with fixed multi-beam intellectual antenna
12/08/2004CN1553596A predistorting device and method for pulse width modulating amplifier
12/08/2004CN1179524C Method and apparatus for transforming channel estimate
12/08/2004CN1179498C Radio receiving device and radio receiving method
12/07/2004US6829718 Base station having a hybrid parallel/serial bus interface
12/07/2004US6829441 Driver circuit and optical-transmission module
12/07/2004US6829436 Optical cross-connect device with transparency