Patents
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)
01/2008
01/30/2008CN100366035C Method and apparatus for rotating a phase of a modulated signal
01/30/2008CN100365970C Apparatus and method for encoding/decoding transport format combination indicator in CDMA mobile communication system
01/30/2008CN100365963C Random switch-on method and radio station
01/30/2008CN100365958C Method for synchronizing base stations
01/30/2008CN100365951C Information channel estimating method and system in radio communication
01/30/2008CN100365947C Heat backup system and method for radio-frequency power amplifier
01/30/2008CN100365946C Frequency-hopping spectrum-expanding communication system based on difference chaotic frequency modulation
01/30/2008CN100365945C Spread spectrum communicatoion system and non-centre wireless network for implementing CDMA by single different phase sequence of spread spectrum code
01/30/2008CN100365944C Method for increasing signal noise ration of down voice code channel in SCDMA system
01/30/2008CN100365943C Multiple user detecting method for CDMA communiation system using pre condition conjugate gradient method
01/30/2008CN100365942C Wireless data transmission between base station and transponder
01/30/2008CN100365941C Method and apparatus for processing an amplitude modulated (AM) signal
01/30/2008CN100365940C Tourist communication device and its communication method
01/30/2008CN100365928C Method and system for effective channel estimation in telecommunication system
01/30/2008CN100364811C Electronic equipment
01/29/2008US7325250 Method and apparatus for preventing radio communication system access by an unauthorized modem
01/29/2008US7325147 Personal computer operation environment presetting system and method based on detecting an input AC power source voltage on the personal computer when a wireless LAN card is mounted therein
01/29/2008US7324839 Communications control method, communications control system, and wireless telephone device
01/29/2008US7324838 Systems and methods for modifying the graphics output of an application
01/29/2008US7324837 Base station apparatus of which installation is facilitated
01/29/2008US7324836 Non-wireless communication using sound
01/29/2008US7324835 Motherboard and daughterboard multi-swap system with communication module for a GPRS system
01/29/2008US7324834 Speaker system
01/29/2008US7324832 Method and system for a mobile architecture that supports a cellular or wireless network and broadcast utilizing an integrated single chip cellular and broadcast silicon solution
01/29/2008US7324831 Method and system for asymmetric dual-mode radio communications
01/29/2008US7324824 Wireless network monitoring system
01/29/2008US7324814 Apparatus and method for exchanging version indicator information between entities in a wireless network
01/29/2008US7324807 Information processing unit
01/29/2008US7324800 Wake-up system with passive correlators
01/29/2008US7324799 Multiband mixer
01/29/2008US7324798 2N-order sub-harmonic frequency modulator having high carrier suppression ratio and direct conversion transmitter using the same
01/29/2008US7324797 Bragg-cell application to high probability of intercept receiver
01/29/2008US7324796 Low temperature co-fired ceramic sub-harmonic mixer
01/29/2008US7324795 Method of controlling phase locked loop in mobile station, and mobile station
01/29/2008US7324793 Wireless transmission device capable of transmitting media from multiple channels
01/29/2008US7324792 Apparatus and method for transmitting signal in mobile communication system
01/29/2008US7324791 Low-noise differential bias circuit and differential signal processing apparatus
01/29/2008US7324790 Wireless transceiver and method of operating the same
01/29/2008US7324789 PLL frequency synthesizer architecture for low phase noise and reference spurs
01/29/2008US7324788 RF integrated circuit comprising a frequency synthesizer not very sensitive to injection locking
01/29/2008US7324787 Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication system
01/29/2008US7324786 Method and apparatus for increasing the number of strong eigenmodes in a multiple-input multiple-output (MIMO) radio channel
01/29/2008US7324785 Transmit power control of wireless communication devices
01/29/2008US7324784 Transmission beam control method, adaptive antenna transmitter/receiver apparatus and radio base station
01/29/2008US7324783 Method, arrangement and communication receiver for SNIR estimation
01/29/2008US7324642 Mobile device having a protective user interface cover
01/29/2008US7324618 Apparatus and method for canceling narrow-band interference in a mobile communication system
01/29/2008US7324616 Low cost and high performance narrowband interference cancellation system
01/29/2008US7324615 Time signal receiver and decoder
01/29/2008US7324608 Efficient subcarrier weighting to enhance receiver performance
01/29/2008US7324607 Method and apparatus for path searching
01/29/2008US7324596 Low complexity block size decision for variable block size motion estimation
01/29/2008US7324592 Resource-constrained encoding of multiple videos
01/29/2008US7324587 Communication apparatus
01/29/2008US7324586 Method and system for communication backward compatibility
01/29/2008US7324585 System and method for performing symbol boundary-aligned search of direct sequence spread spectrum signals
01/29/2008US7324584 Low complexity interference cancellation
01/29/2008US7324583 Chip-level or symbol-level equalizer structure for multiple transmit and receiver antenna configurations
01/29/2008US7324582 System and method for the directional reception and despreading of direct-sequence spread-spectrum signals
01/29/2008US7324581 Apparatus for mapping and spreading data symbols in mobile communication system
01/29/2008US7324579 Flexible distribution device and method for rake receiver of communication system
01/29/2008US7324578 Method and apparatus for transmitting and receiving information about spreading codes used for a packet data channel in a communication system
01/29/2008US7324494 Reception device and reception method
01/29/2008US7324493 3-frequency branching circuit, branching circuit and radio communication equipment
01/29/2008US7324485 Random access preamble coding for initiation of wireless mobile communications sessions
01/29/2008US7324479 Cell search method in UMTS
01/29/2008US7324475 Radio communication apparatus and method
01/29/2008US7324471 Apparatus and method for suppressing interference of reverse link in in-building mobile communication system
01/29/2008US7324470 FDD/CDMA receiver having transmission antenna control circuit
01/29/2008US7324437 Method for co-channel interference cancellation in a multicarrier communication system
01/29/2008US7324434 Radio transmission system and method, and transmitter apparatus and receiver apparatus used in the radio transmission system
01/29/2008US7324432 Apparatus of compensating for frequency offset using pilot symbol in an orthogonal frequency division multiplexing system
01/29/2008US7324408 Repelling pests
01/29/2008US7324168 Universal remote control unit
01/29/2008US7324155 Camera case structure for a mobile communication device
01/29/2008US7324152 Camera lens assembly for portable terminal
01/29/2008US7324092 Electronic device hinge structure
01/29/2008US7324045 System and method for fast initialization of navigational satellite signal receivers
01/29/2008US7324040 Method of automatically setting the gain of an interrogator receiver within a non-contacting identification system
01/29/2008US7323967 Electronically-controlled locker system
01/29/2008US7323945 Programmable radio transceiver
01/29/2008US7323937 Variable-gain amplifier
01/29/2008US7323928 High capacitance integrated circuits
01/29/2008CA2381366C Method of interference cancellation based on smart antenna
01/29/2008CA2242390C Battery operated, portable transmitter having coil surrounding tubular, ferromagnetic housing
01/29/2008CA2210833C Method of wire bonding an integrated circuit to an ultraflexible substrate
01/24/2008WO2008011062A2 Systems and methods for providing millimeter wave signal improvements
01/24/2008WO2008010979A2 Parallel processing apparatus for video compression
01/24/2008WO2008010861A1 Wireless communications interface for a portable electronic device
01/24/2008WO2008010756A1 Emergency call system using specific mobile user information
01/24/2008WO2008010359A1 Communication device and electronic apparatus using the same
01/24/2008WO2008010354A1 Wireless communication device
01/24/2008WO2008010306A1 Ultrasonic measuring device, and ultrasonic measuring method
01/24/2008WO2008010299A1 Antenna selector and communication device
01/24/2008WO2008009982A2 Rf distribution through existing cable
01/24/2008WO2008009111A1 Expedited communication traffic handling apparatus and methods
01/24/2008WO2007144101A3 Rf radio broadcast transceiver
01/24/2008WO2007138073A3 Transceiver array, and method for processing signals in a transceiver array
01/24/2008WO2007135640A3 Method and system for detecting narrowband signals using a receiver with a wideband frontend
01/24/2008WO2007127884A3 Inter-pulse duty cycling