Matches 1 - 50 out of 123 1 2 3 >
Match Document Document Title
7415253 Temperature compensation of transmit power of a wireless communication device  
A method for temperature compensation of transmit power of a wireless communication device begins by measuring transmit power of the wireless communication device at a first temperature-based...
7411931 Inter-frequency measurements with MIMO terminals  
The invention is a terminal, system and method for providing inter-frequency and inter-system handovers. A terminal 20 ′ in accordance with the invention includes at least one radio transceiver...
7409186 Detection and elimination of oscillation within cellular network amplifiers  
A system and method for substantially reducing oscillation produced by a network amplifier. An exemplary method includes receiving a cellular signal at a first antenna of a network amplifier and...
7403853 Position determination system for movable objects or personnel using GPS/TV location technology integrated with inertial navigation system  
A position determination system for movable objects or personnel comprising at least one portable position sensor built into a wearable item of a member of personnel having an identification...
7363004 Feedback information for controlling transmission in a communication system  
A method is discussed for generating feedback information for controlling transmission from a transmitting end using a set of feedback symbols. The feedback information comprises a set of feedback...
7355993 Method and apparatus for forward link gain control in a power controlled repeater  
A power controlled repeater is disclosed for use in a wireless communication system to control the forward link gain. The power controlled repeater includes a forward link for communications from a...
7346311 Single frequency repeater  
A novel single frequency repeater is disclosed that eliminates the problems of feedback and concurrent oscillation. The single frequency repeater of the present invention comprises a backplane, a...
7340280 Method of configuring base station, and base station  
A base station and a method of configuring a base station are provided in a cellular telecommunication system, wherein the base station comprises an electrically tunable duplex filter with a tuning...
7336930 Interference cancellation in wireless relaying networks  
In accordance with the invention, signal information representative of a first set of information to be transmitted more than one time over at least one link is stored as a priori known signal...
7329505 Specific detection of proteolytic enzymes  
Specific detection of proteolytic enzymes is achieved by extinguishing dye fluorescence by the amino acid tryptophan. Ttyptophan is disposed on one side of the cutting site of a proteolytic enzyme...
7319716 Transmitter image suppression in TDD transceivers  
In a transceiver comprising a time-division-duplex (TDD) of transmit and receive functions, the characteristics of unwanted image signal energy being transmitted from the transceiver are...
7310499 Method, apparatus and system for handling unreliable feedback information in a wireless network  
The present invention provides a method, apparatus and system for handling unreliable feedback information in a wireless network. The present invention adjusts one or more communications ( 202 )...
7283783 Method and system for broadcasting via phase-shift keying modulation with multiple transmit antennas  
A method of broadcasting multi-layered information in a multi-antenna broadcasting system can include identifying at least a first and second layer of information to be transmitted. The first layer...
7239850 Optimizing the protection of wireless local area networks with real-time, flexible, perimeter sensor feedback  
The invention optimizes the security of data communication on wireless local area networks (WLANs). This invention uses radio frequency (RF) radiation sensors (sensors) on the physical perimeter of...
7236740 Data retransmission apparatus and method in a mobile communication system employing HARQ technique  
A method and apparatus for retransmitting data in a mobile communication system wherein a receiver determines whether an initial data block received from a transmitter has an error. Upon detecting...
7200368 Transmit diversity method and system  
The present invention relates to a method and system for transmitting in a wireless communication system, a transmission signal divided into at least two signal parts by using transmission beams of...
7139536 Method and apparatus for I/Q imbalance calibration of a transmitter system  
A method for I/Q imbalance calibration of an OFDM system comprising the steps of initializing parameters A p , B p and γ p , estimating a loop delay factor L, generating a discrete-time test...
7130661 Apparatus for forming beam in a base station of a mobile communication system  
An apparatus for forming a beam in a base station is provided and includes a plurality of channel cards for processing and outputting signals to be transmitted to each channel; a signal...
7130579 Adaptive radio transceiver with a wide tuning range VCO  
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a...
7123941 Radio LAN master station system  
A radio LAN master station system which provides long distance communication and suffers from small interference by another system located inside and/or outside of a service area comprises a...
7106712 Transmission power control method, transmitting and receiving apparatus, base station and mobile station  
A transmission power control method and an apparatus, which includes a base station and a mobile stations, can lower a transmission power of a counterpart station and assure a communication...
7103029 Transmitter gain stabilizing apparatus  
Disclosed is a transmitter gain stabilization apparatus which uses feedback control to stably control the gain of a radio base-station transmitter in a CDMA mobile communication system. The...
7096042 System and method for increasing cellular system capacity by the use of the same frequency and time slot for both uplink and downlink transmissions  
A method for increasing cellular system capacity includes receiving a signal in a time slot and a frequency band and transmitting a signal in the same time slot and the same frequency band. An...
7088953 Coverage area signature in an on-frequency repeater  
A system operates to adaptively control the stability of an on-frequency repeater. A unique signature is imposed on RF signals transmitted by the repeater, and RF signals received by the repeater...
7072614 Communication device  
Communication device comprising a transmitter and a receiver, coupled to antenna means respectively via a transmitter output and a receiver input. For an effective and reliable reduction of...
7054653 Two channel communication system based on RDS datastream broadcasting and the integration of digital mobile terminal and VHF/FM radio receiver  
The present invention comprises a digital mobile terminal system for accessing mobile internet services including a VHF/AM/FM radio receiver and a subsystem that handles interfaces and interactions...
7046960 Relay apparatus  
While a spectrum waveform of an output signal from a subtracter ( 207 ) is visibly monitored, an operator controls a variable phases shifter ( 208 ) based upon a second control signal (CL 2 ) so...
7046168 Inter-vehicle communication method and device  
An inter-vehicle communication method according to the present invention performs communication by sequentially relaying transmission information among vehicles. For broadcasting the transmission...
7043203 Process for re-transmitting single frequency signals and a single frequency signal repeater  
The invention discloses a process for re-transmitting single frequency signals and a single frequency signal repeater, where coupling occurs between the transmitting antenna and the receiving...
7020216 Method for adjusting a phase angle of a phase modifier of a transmitting device  
A method for adjusting a phase angle (φ) of a phase modifier ( 25 ) of a transmitting device which includes a quadrature modulator ( 3 ), a power amplifier ( 9 ), a quadrature demodulator ( 19 )...
6993296 Multimode background scans of different communication systems on similar frequencies  
A method for increase receiver efficiency in a multimode communication device includes a first step of monitoring a received signal strength of a neighboring cell on a receiver channel. A next step...
6963760 Method and apparatus for generating DTMF tones using voice-recognition commands during hands-free communication in a vehicle  
An apparatus, method, and code on a computer readable medium are provided for constructing and operating a vehicle communication unit that is adapted for enunciating an audio signal to the cabin of...
6934511 Integrated repeater  
An integrated repeater includes a housing having opposing sides, a donor antenna mounted on one of the opposing sides, a null antenna mounted on the other of the opposing sides, and repeater...
6889033 Intelligent gain control in an on-frequency repeater  
An intelligent gain controller operates to control the gain in each one of wideband uplink and downlink signal paths. Weak desired signals, within each wideband signal path, are detected using a...
6868278 Fast adaptive power control for a variable multirate communications system  
A system and a method of controlling transmitter power in a wireless communication system in which user data is processed as a multirate signal having a rate N(t) and in which the user data signal...
6868275 Method and configuration for transmitting data in a motor vehicle  
A method for extracting a constant part and a variable part from a data signal that is determined. The values that are extracted in this way are transmitted with different timing over a...
6807399 Transmitting/receiving apparatus of repeater system  
A transmitting/receiving apparatus of a repeater system in which a signal received by the receiving apparatus from a base station is amplified to a high-powered transmission signal by the...
6795691 Variable-power transceiving device  
The invention relates to a transmission or transmission/reception device having a transmission path structure which makes it possible to increase the range of variation of the transmission power...
6771931 Method and an apparatus for passive interference cancellation  
A method and an apparatus for passive interference cancellation are provided. The apparatus includes a first and second radio operating on a same frequency band, a first and second coupler, and a...
6748194 Repeater system having oscillation preventing function and automatic reverse output disabling function for non-subscriber and control method thereof  
Disclosed is a repeater system having an oscillation preventing function and an automatic reverse output disabling function, and a control method thereof, in which the reverse output of the...
6745003 Adaptive cancellation for wireless repeaters  
A repeater system has at least one donor antenna element for communicating with a base station and at least one link antenna element for communicating with a remote station. A radio frequency...
6741587 Inter-frequency measurements with MIMO terminals  
The invention is a terminal, system and method for providing inter-frequency and inter-system handovers. A terminal 20 ′ in accordance with the invention includes at least one radio transceiver...
6735181 Wireless transceiver with subtractive filter compensating both transmit and receive artifacts  
A wireless transceiver featuring a compensating filter circuit with a frequency and optionally an amplitude response which has the same function as the composite of filter effects from the transmit...
6642919 Integrated electrical controls and graphics display screens  
One or more controls producing control signals for electrical apparatus are disposed at the face of an electronic display screen which display graphics pertinent to the operation of the controls....
6597102 Glass bulb for a cathode ray tube and cathode ray tube  
A glass bulb for a cathode ray tube comprising a panel portion having a substantially rectangular face portion and a funnel portion having a neck portion, wherein when the glass bulb is used for a...
6591086 Enhanced time division duplexing (TDD) transceiver circuitry  
A communication transceiver circuit intended for operation in a Time Division Duplex (TDD) system. The configuration eliminates the need for transmit-receive switches and the circuitry needed to...
6539202 Interference canceling device  
An interference canceling device comprising a flat phase IF narrow band BPF. A signal which has been branched from a signal on the main line is filtered by the BPF and is recombined with the signal...
6535723 Method of power control for a wireless communication system having multiple information rates  
A method of controlling the power in a wireless communication system. In one embodiment of the invention, a base station determines the information rate of a signal to be transmitted to a mobile...
6510308 RECEPTION OF WEAK RADIO FREQUENCY SIGNAL IN THE PRESENCE OF A STRONG INTERNAL RADIO FREQUENCY INTERFERER—DEVICE AND METHOD FOR COMPENSATION OF AN INTERNAL INTERFERING SIGNAL BY A SUPERPOSITION METHOD  
The invention compensates for any interference from a mobile communication unit to a positioning receiver unit in a multiple standard communication device with mobile communication and localization...
6507570 Interfrequency measurement  
A radio telephone for communicating in a spreadspectrum communication system having a plurality of radio channels of different frequencies; the radio telephone comprising communication means for...
Matches 1 - 50 out of 123 1 2 3 >