Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission
Patents for H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission (188,568)
11/2000
11/15/2000CN1273723A Channel communication device and method for mobile station in asynchronous CDMA communication system
11/15/2000CN1273722A Device and method for measuring non-orthognal noise for CDMA communication system
11/15/2000CN1273721A Device and method for cancelling code interference in CDMA communication system
11/15/2000CN1273720A Method and apparatus for providing orthogonal spot beams, sectors and picocells
11/15/2000CN1273719A Method and radio station for transmitting data
11/15/2000CN1273715A Method for transmitting power control signal in mobile communication system
11/15/2000CN1273714A AM quality detector
11/15/2000CN1273710A Signal-cross product automatic frequency control loop
11/15/2000CN1273469A Code division multiple access receiver with controllable hunting zone and control method
11/15/2000CN1273467A Pilot signal for synchronous and/or channel estimated
11/15/2000CN1273461A Systm and method for preventing receiver disturbed
11/15/2000CN1273460A Method for updating linear feedback shift register of code generater
11/15/2000CN1273402A Interrogator of electronic recognition system
11/15/2000CN1058589C Double-superheterodyne recepter and detection circuit thereof
11/14/2000US6148288 Scalable audio coding/decoding method and apparatus
11/14/2000US6148220 Battery life extending technique for mobile wireless applications
11/14/2000US6148215 Mobile communication terminal
11/14/2000US6148189 AGC circuit arrangement for a tuner
11/14/2000US6148187 Automatic frequency control method and circuit
11/14/2000US6148184 Radio frequency zero if direct down converter
11/14/2000US6148182 Technique to facilitate the independent bi-directional data transmission on a single amplitude modulated carrier
11/14/2000US6148181 Radio apparatus adapted to remove image components from local oscillating signals
11/14/2000US6148048 Receive path implementation for an intermediate frequency transceiver
11/14/2000US6148046 Blind automatic gain control system for receivers and modems
11/14/2000US6148044 Correlating filter and CDMA receiver
11/14/2000US6148042 Coherent signal processing for CDMA communication system
11/14/2000US6148041 Joint demodulation using spatial maximum likelihood
11/14/2000US6148039 System and method for harmonic interference avoidance in carrier recovery for digital demodulation
11/14/2000US6148023 Self-synchronizing equalization techniques and systems
11/14/2000US6148022 NRZ and biphase-L formatted quadriphase modulated GPS transmission method
11/14/2000US6148021 Noise shaping technique for spread spectrum communications
11/14/2000US6148020 Method and device for frequency hopping communication by changing a carrier frequency
11/14/2000US6148009 Timing signal supplying device of doubled timing synchronous system
11/14/2000US6148008 Apparatus for receiving broadcasting signals
11/14/2000US6147985 Subspace method for adaptive array weight tracking
11/14/2000US6147982 System and method for synchronizing acquisition for a code modulated communication system
11/14/2000US6147981 Method and apparatus for predictive parameter control with loop delay
11/14/2000US6147964 Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
11/14/2000US6147938 Vehicle electronic system
11/14/2000US6147575 Dielectric filter transmission-reception sharing unit and communication device
11/14/2000US6147553 Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier
11/14/2000US6147543 Method and apparatus for selecting from multiple mixers
11/14/2000CA2212762C Programmable radio subscription system for receiving selectively defined information
11/14/2000CA2193843C Phased array spread spectrum system and method
11/10/2000CA2308857A1 System and process for producing a filtered signal of a given frequency and radio-relay transmitter with a frequency established by an adjustable frequency oscillator
11/09/2000WO2000067473A1 Advertisement selection based on user action in an electronic program guide
11/09/2000WO2000067442A1 System and method for joint time tracking of multiple paths
11/09/2000WO2000067406A1 Code multiplex radio apparatus with interference canceller
11/09/2000WO2000067405A1 Method of generating and/or detecting synchronization sequences, synchronization method, transmitter unit and receiver unit
11/09/2000WO2000067404A1 Method for forming and determining a signal sequence, method of synchronization, transmitter unit and receiver unit
11/09/2000WO2000067399A1 Appararus and method for synchronizing channels in a w-cdma communication system
11/09/2000WO2000067396A1 Cell search apparatus and method in asynchronous communication system
11/09/2000WO2000067389A1 Method of forming channel estimate, and receiver
11/09/2000WO2000067388A1 Data communication in a wireless local area network using m-ary code keying
11/09/2000WO2000067387A1 Method for determining the start of a pulse in a spread spectrum system
11/09/2000WO2000067342A1 Slide mounted antenna
11/09/2000WO2000035183A3 Telecommunication device integrated with a scanner
11/09/2000DE19918057A1 Vorrichtung und Verfahren zur Einstellung der Abstimmspannung von Abstimmschwingkreisen Apparatus and method for adjusting the tuning of Abstimmschwingkreisen
11/08/2000EP1051055A2 System and method for eliminating the capacity required for protection of an optical line system
11/08/2000EP1051028A1 Control module of a tuner for a HAVI network
11/08/2000EP1050987A1 CDMA multiple access method with improved capacity
11/08/2000EP1050973A1 Method for joint detection of a CDMA code set
11/08/2000EP1050972A2 Antenna structure of an expansion card for an electronic device
11/08/2000EP1050961A2 Surface accoustic wave filter and communications apparatus using the same
11/08/2000EP1050920A2 Converter with four outputs
11/08/2000EP1050841A2 Interrogator for electronic identification system
11/08/2000EP1050759A2 Bandpass sampling architecture for wide-frequency band signal analysis
11/08/2000EP1050160A1 Apparatus for receiving programs
11/08/2000EP1050142A2 Radio telephone for spread-spectrum system using nonlinear modulation
11/08/2000EP1050141A2 A method and a circuit for am demodulation
11/08/2000EP1050129A2 Device and method for generating quaternary complex quasi-orthogonal code and spreading transmission signal using quasi-orthogonal code in cdma communication system
11/08/2000EP1050123A1 Method and apparatus for encoding rate determination in a communication system
11/08/2000EP1050121A1 Selective frequency hopping
11/08/2000EP1050116A1 System for discrete data transmission with noise-like, broadband signals
11/08/2000EP1050115A2 Receiving spread spectrum signals with narrowband interference
11/08/2000EP1050114A1 A method and apparatus for facilitating multi-rate data transmission by selecting a plurality of spreading codes
11/08/2000EP1050113A1 Method and apparatus for estimation of coupling parameters in a transform coder for high quality audio
11/08/2000EP1050112A1 Circuit for demodulating two-dimensional data symbols transmitted by means of supported data transmission
11/08/2000EP1050111A1 Intelligent radio
11/08/2000EP1050109A2 Afc device and method of controlling reception frequency in a dual-mode terminal
11/08/2000EP0974201A4 Method and apparatus for minimizing modem power while maximizing modem throughput
11/08/2000EP0784893A4 Hierarchical communication system providing intelligent data, program and processing migration
11/08/2000EP0569486B1 A communication system capable of adjusting transmit power of a subscriber unit
11/08/2000CN1273007A Forward link power control device and methods for mobile communication system supporting transmission diversity
11/08/2000CN1272996A Cellular telephone with voice dialing function
11/08/2000CN1272994A Telecommunication system with channel sharing
11/08/2000CN1272985A Device and method for communicating power control signals in mobile communication system
11/08/2000CN1272984A Method and apparatus for predictive power control with loop delay
11/08/2000CN1272980A Broadcasting receiver
11/08/2000CN1272979A Device and method for controlling output power of mobile communication terminal
11/08/2000CN1272732A Receiver for digital voice-frequency broadcasting
11/08/2000CN1272729A Spectrum extended receiver
11/08/2000CN1272724A Improvement of delay locking ring or related to delay locking ring
11/07/2000US6144936 Method for substituting bad speech frames in a digital communication system
11/07/2000US6144916 Itinerary monitoring system for storing a plurality of itinerary data points
11/07/2000US6144865 Energy-saving method and device, and vehicle-mounted electronic equipment
11/07/2000US6144846 Frequency translation circuit and method of translating
11/07/2000US6144845 Method and circuit for image rejection
11/07/2000US6144711 Spatio-temporal processing for communication
11/07/2000US6144707 Apparatus for receiving broadcasting signals
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