Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 25 - Baseband systems
Patents for H04L 25 - Baseband systems (55,083)
10/2005
10/19/2005CN1685680A Apparatus and methods for suppression of interference
10/19/2005CN1685651A Dynamic power control for space time diversity transmit antenna pairs
10/19/2005CN1684457A Channel state information feedback method for multi-carrier communication system
10/19/2005CN1684455A System and method for spreading on fading channels
10/19/2005CN1684454A Apparatus and method for echo indicator generation
10/19/2005CN1684453A Adaptivity equalizer and coefficiency updating method
10/19/2005CN1684452A Receiving apparatus and method for error propagation reduction
10/19/2005CN1684451A Data oversampling via clock and data interpolation
10/19/2005CN1684450A Receiver, transmitter and radio communication system and channel estimation method
10/19/2005CN1684449A Channele responding measuring method and channel responding measurer
10/19/2005CN1684444A Partial label exchanging method for saving label and improving lablel utilizing efficiency
10/19/2005CN1684405A Clock synchronizer and clock and data recovery apparatus and method
10/19/2005CN1684404A Parallel decision-feedback decoder and method for joint equalizing and decoding of incoming data stream
10/19/2005CN1683904A Sensor signalling circuit and measuring instrument using it
10/19/2005CN1224229C 64-bit QAM demodulating apparatus and method for calculating soft decision value
10/19/2005CN1224228C Multi-carrier transmission system using multiplication by leakage matrix with complex reduction
10/19/2005CN1224227C Self-adaptive frequency channel equalizer
10/19/2005CN1224198C Multi-user detection method using finite-impulse-response matrix filter
10/19/2005CN1224186C Orthogonal frequency-division multiplying equalizer for actuating adaptive balance according to channel state
10/19/2005CN1224181C Method of channel estimation and system employing said method
10/18/2005US6957382 Receiving circuit for receiving messages signals
10/18/2005US6956945 Method and apparatus for phantom battery feed
10/18/2005US6956920 Apparatus and method for low power routing of signals in a Low Voltage Differential Signaling system
10/18/2005US6956919 Single clock data communication in direct stream digital system
10/18/2005US6956916 Delayed decision feedback sequence estimation diversity receiver
10/18/2005US6956914 Transmit amplitude independent adaptive equalizer
10/18/2005US6956910 Fast transmitter based on table lookup
10/18/2005US6956909 Transmission rate matching apparatus and method for next generation mobile communication system
10/18/2005US6956905 Peak detector circuit
10/18/2005US6956897 Reduced rank adaptive filter
10/18/2005US6956893 Linear minimum mean square error equalization with interference cancellation for mobile communication forward links utilizing orthogonal codes covered by long pseudorandom spreading codes
10/18/2005US6956888 Channel estimation in a cellular communication system
10/18/2005US6956815 Method and apparatus using pseudo-inverses of linear transformations in multi-carrier modulation receivers and transceivers
10/18/2005US6956407 Pre-emphasis circuitry and methods
10/18/2005US6956402 Multi-device system and method for controlling voltage peaking of an output signal transmitted between integrated circuit devices
10/18/2005US6956401 Differential input buffers with elevated power supplies
10/13/2005WO2005096581A1 Cofdm demodulator with optimal fft analysis window positioning
10/13/2005WO2005096577A1 Method for receiving a signal using a maximum likelihood criterion, receiving device and radiotelephone for carrying out said method
10/13/2005WO2005096575A1 A circuit arrangement and a method to transfer data on a 3-level pulse amplitude modulation (pam-3) channel
10/13/2005WO2005096574A1 A communication system
10/13/2005WO2005096518A1 Impairment correlation estimation in a spread spectrum system
10/13/2005WO2005096506A1 Dc-balanced 6b/8b transmission code with local parity
10/13/2005WO2005094427A2 Crosstalk equalizer
10/13/2005WO2005060335A3 Control system and method for a communications interface
10/13/2005US20050229053 Circuit and method for low frequency testing of high frequency signal waveforms
10/13/2005US20050229049 Relative dynamic skew compensation of parallel data lines
10/13/2005US20050228925 Circuit and method for transferring low frequency signals via high frequency interface
10/13/2005US20050228911 Method and device for padding data segments with a fill pattern and subsequent over-writing with information, in addition to corresponding bus system
10/13/2005US20050228907 Apparatus, method, and computer program product for monitoring and controlling a microcomputer using a single existing pin
10/13/2005US20050228646 Broadcast router having a serial digital audio data stream decoder
10/13/2005US20050228600 Sensor signal circuit and measuring instrument
10/13/2005US20050227630 System for synchronizing a portable transceiver to a network
10/13/2005US20050227628 Calibration of transmit and receive chains in a MIMO communication system
10/13/2005US20050226634 Discrimination phase margin monitor circuit, transmitting/receiving device and communication system
10/13/2005US20050226624 Optical pulse position modulation discriminator
10/13/2005US20050226355 Receiver circuit comprising equalizer
10/13/2005US20050226341 Decision feedback channel estimation and pilot tracking for OFDM systems
10/13/2005US20050226339 Packet error signal generator
10/13/2005US20050226316 Adaptive equalizing apparatus and method
10/13/2005US20050225419 Magnetically differential input
10/13/2005US20050225353 On die termination circuit
10/13/2005DE19757636B4 Datenübertragungs-Verfahren und -Vorrichtung in einem Pulsamplitudenmodulations-Kommunikationssystem Data transmission method and apparatus in a pulse amplitude modulation communication system
10/13/2005DE10333514B4 Nichtlineares Vorcodierungsverfahren für einen digitalen Broadcastkanal Nonlinear Precoding for a digital broadcast channel
10/13/2005DE10233243B4 Schaltungsanordnung zur Regeneration von Taktsignalen Circuit arrangement for the regeneration of clock signals
10/13/2005DE10142807B4 Optoelektronische Vorrichtung Optoelectronic device
10/13/2005DE10113196B4 Verfahren und Systeme zur Datenratenerfassung für serielle Mehrfachgeschwindigkeits-Einbettungs-Takt- Empfänger Methods and systems for data rate detection for multi-speed serial embedding clock receiver
10/13/2005CA2557425A1 Apparatus and method for compensating for data degardation
10/12/2005EP1585280A1 Non-contact rf id system communication method, non-contact rf id system, transmitter, and receiver
10/12/2005EP1585279A2 Receiver circuit comprising equalizer
10/12/2005EP1585278A2 Data output circuit with improved overvoltage/surge protection
10/12/2005EP1585247A2 System and method of phase-locking a transmit clock signal phase with a receive clock signal phase
10/12/2005EP1585246A2 Apparatus and method for switching between an AMC mode and a diversity mode in a broadband wireless communication
10/12/2005EP1585245A1 Estimation method for noise space correlated characteristics in time slot cdma system
10/12/2005EP1585225A2 Channel quality estimation method and channel quality estimation apparatus
10/12/2005EP1585222A2 Output driver circuit having adjustable swing width, method of adjusting a swing width of an output signal, and high speed input circuit
10/12/2005EP1584168A1 Apparatus and method for processing an impulse response of a channel
10/12/2005EP1584153A2 Wireless receiver using noise levels for postscaling an equalized signal having temporal diversity
10/12/2005EP1584151A1 Method for the transmission of a data word
10/12/2005EP1497954B1 Method and device for padding data segments with a fill pattern and subsequent overwriting with information, in addition to corresponding bus system
10/12/2005EP1470521B1 Method for transmitting data
10/12/2005EP1237293B1 Method for increasing the capacity in a CDMA system
10/12/2005EP1181796B1 Method for transmitting data from an interrogating device to portable objects
10/12/2005CN2733754Y Multi-frequency multi-mode terminal verifying circuit
10/12/2005CN2733753Y Digital intermediate frequency multi-frequency multi-mode RF module
10/12/2005CN1682508A Iterative estimation and equalization of asymmetries between inphase and quadrature branches in multicarrier transmission systems
10/12/2005CN1682507A Frequency domain equalization in communications systems with scrambling
10/12/2005CN1682506A Filterbank modulation system with pre-equalization
10/12/2005CN1682501A System for efficient recovery of node-B buffered data following MAC layer reset
10/12/2005CN1681265A Channel quality estimation method and channel quality estimation apparatus
10/12/2005CN1681207A Output driver circuit having adjustable swing width during testing mode operation
10/12/2005CN1681029A Adaptive equalizing apparatus and method
10/12/2005CN1223135C Baseband processors, method and system for decoding received signal having transmitter or channel induced coupling between bits
10/12/2005CN1223129C Method for generating multipath fading signal and device for realizing same
10/12/2005CN1223103C Apparatus and method for transmitting and receiving in a mobile communication system
10/11/2005US6954618 Method and device for determining the fading coefficients of paths of a multi-path transmission channel linking, in particular, a base station and a cellular mobile telephone
10/11/2005US6954509 Method for channel equalization
10/11/2005US6954496 Method for transmitting data from an interrogating device to portable objects
10/11/2005US6954495 Optimization of channel equalizer
10/11/2005US6954492 Method of differential encoding a precoded multiple modulus encoder
10/11/2005US6954491 Methods and systems for sending side-channel data during data inactive period
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