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7392016 |
Data transmission rate control
A method includes monitoring a variable-rate data communication channel to determine its signal-to-noise ratio, and adjusting the data transmission rate of the variable rate data communication...
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7389102 |
Method to improve CMFB phase margin of variable-output-bandwidth mixer
An improved method and apparatus for using common mode feedback to maintain a predetermined DC level for an intermediate frequency output signal. A common mode feedback capacitor-select switch...
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7389092 |
Circuitry for a receiving system with improved directivity and signal to noise ratio
A receive system, including special integrated circuits, for providing enhanced directivity in the form of a narrowed receive beam and a relatively small antenna with performance comparable to a...
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7369833 |
Method and apparatus for improving the directivity of an antenna
A receive system, including special integrated circuits, for providing enhanced directivity in the form of a narrowed receive beam and a relatively small antenna with performance comparable to a...
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7359734 |
Compensating for radiation pattern in radio system, and radio system
The invention relates to compensation of a radiation pattern in a radio system. The solution comprises forming a primary radiation pattern by weighting signals of antenna branches with primary...
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7359692 |
Method of and device for antennae diversity switching
The invention relates to the field of wireless communications, more particularly to a method of and device for switching between antennae in communication with a diversity receiver, each of the...
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7356323 |
Antenna selection for diversity combining
A diversity combining receiver may employ a switching architecture that permits multiple receiver chains to be coupled to multiple antennas.
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7340236 |
System for operational coexistence of wireless communication technologies
The present invention provides a system for providing simultaneous operation of disparate wireless telecommunication technologies within a single device ( 102 ). The device comprises a plurality of...
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7330700 |
Radio apparatus and method for determining the communication timing of a channel quality indicator (CQI) based on CQI update and CQI repetition count information
When a CQI that is based on CQI update cycle information and a CQI that is based on repetition count information have an overlapping transmission timing, CQI transmission timing controller 110 ...
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7317751 |
Method and device for estimating SIR of a signal
Disclosed is a method and a device for estimating the signal to interference ratio of a signal, in particular in a base station of a WCDMA system, providing at least a first estimating process and...
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7315733 |
Antenna-switching diversity receiver capable of switching antennas without deterioration of reception characteristic even when applied to the CDMA communication method
An antenna-switching diversity receiver is capable of switching antennas without bringing about deterioration of reception characteristics even when applied to the CDMA communication method. A TFCI...
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7313413 |
Radio frequency receiving apparatus and method of mobile communication terminal
An RF (Radio Frequency) receiving apparatus and method of a mobile communication terminal are disclosed to perform a GPS signal receiving function for a position tracking service while minimizing...
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7310503 |
Diversity reception device and diversity reception method
The circuit size of a diversity receiver for an orthogonal frequency division multiplexing signal is reduced, and the diversity effect is increased, by providing a power ratio comparator that...
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7295825 |
Diversity antenna arrangement
A diversity antenna arrangement to reduce cost and the number of switching operations between different antennas includes an antenna changeover switch for switching between antennas, and an...
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7283800 |
Adaptive mixer output filter bandwidth control for variable conversion gain down-conversion mixer
An improved adaptive mixer for use in the down conversion module of a wireless transceiver. The adaptive mixer comprises a conversion gain module that is operable to receive a radio frequency...
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7277686 |
Antenna and frequency diversity receiving apparatus
An apparatus determines an optimal antenna and frequency combination by selecting the optimal antenna from among a plurality, N, of antennas associated with a receiver and also selects the optimal...
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7272372 |
Diversity antenna apparatus and diversity antenna control method
A diversity antenna apparatus has N (N is 3 or more integer) elements of antennas which receive radio signals, a priority storage unit configured to store priority data of the N elements of...
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7254378 |
Receiver system for decoding data embedded in an electromagnetic signal
A system for decoding data, such as travel and traffic information, configured in data blocks embedded in an electromagnetic signal, such as a broadcasted radio signal, has been developed. The...
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7245938 |
Wireless antenna traffic matrix
A beam shaping antenna matrix for use in wireless cell towers that is manually-configured at a patch panel by a wireless operator based on selection of a desired beam size and point of direction....
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7242424 |
Digital TV receiving smart antenna control system and controlling method of the same
Disclosed is a digital TV smart antenna system and controlling method of the same, the system converges a smart antenna into an optimal reception by detecting a maximum signal power in a signal...
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7221963 |
Antenna selection diversity apparatus and reception method
An antenna selection diversity apparatus capable of shortening, when antennas are switched in frame units, a measuring time of antennas and shortening the time of selecting an optimal antenna from...
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7212789 |
Tunable duplexer
The method and apparatus herein identifies tunable duplexer in a communication system. The tunable duplexer includes a tunable receiver filter, a tunable transmitter filter, a variable receiver...
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7203461 |
Adaptive channel quality estimation algorithm to support link adaptation
RF communications received by a wireless terminal from a servicing base station are used to determine the channel quality such as reported bit error probability (BEP). The RF communications may be...
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7184729 |
Digital automatic gain control for transceiver devices
An automatic gain controller for transceiver elements uses a digital topology to achieve an efficient and rapid gain settling so that an output signal of the variable gain section is within a...
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7174138 |
Power-based hardware diversity
A power-based hardware antenna diversity method for a wireless transceiver with multiple antennas is disclosed. The method is characterized in the steps of setting the transceiver gain at a maximum...
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7171161 |
System and method for classifying signals using timing templates, power templates and other techniques
A system and method for classifying signals occurring in a frequency band. One or more characteristics of one or more signals in the frequency band are detected using any suitable technology, such...
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7164932 |
Millimeter band signal transmitting/receiving system having function of transmitting/receiving millimeter band signal and house provided with the same
A millimeter band transmitter transmits one or more indirect path signal waves from the main lobe of a transmit antenna, and a direct path signal wave is transmitted in a side lobe of the transmit...
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7158769 |
Device and method for alerting user to interference
An alerting device allowing easy estimation of possible interference and useful suggestions to eliminate deteriorated communication quality due to interference is disclosed. A signal including a...
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7149492 |
Method to improve CMFB phase margin of variable-output-bandwidth mixer
An improved method and apparatus for using common mode feedback to maintain a predetermined DC level for an intermediate frequency output signal. A common mode feedback capacitor-select switch...
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7139592 |
Null deepening for an adaptive antenna based communication station
A method and apparatus is described for modifying a smart antenna processing strategy determined from a set of signals received at an array of antenna elements of a wireless station, such as a set...
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7133698 |
Radio base station apparatus and radio communication method
The fading correlation monitor 103 detects an angle spread of the communication terminal apparatus 200 - 1 and decides whether the angle spread has a larger or smaller relationship with a...
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7127218 |
Scanning antenna diversity system for FM radio for vehicles
A scanning antenna diversity system for mobile FM radio having an antenna system with controllable logic switch, wherein a different high-frequency reception signal is passed to a receiver. An IF...
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7120404 |
Radio reception system with automatic tuning
A method and apparatus for operating a radio reception system, which comprises a plurality of receivers assigned to a common output device, in which one of the receivers is designated as audio...
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7106382 |
Information processing system and information processing apparatus
An information processing system and apparatus receiving a television broadcast includes: a direct receiving unit directly receiving television broadcast waves; an indirect receiving unit...
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7103340 |
Antenna diversity arrangement
An antenna diversity arrangement is applicable to frequency hopping receiver ( 34 ) for receiving data packets transmitted on frequency channels lying within an overall frequency bandwidth, divided...
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7099644 |
Beamsteering control system for a vehicle radio receiver
A vehicle radio receiver has a beamsteering control system with two signal paths. One signal path generates an audio signal in response to incoming radio signals. Another signal path generates a...
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7099415 |
Receiver
A receiver which receives broadcast waves from a plurality of broadcasting systems is provided with signal amplifiers that amplify signals received from each of the broadcasting systems. The...
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7079816 |
On chip diversity antenna switch
An on chip diversity antenna switch includes a first switch, a second switch, a third switch, and a fourth switch. The first switch is operably coupled to a pin associated with a first antenna, to...
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7069050 |
Antenna transmission and reception system
A transmitter of a base station includes a data serial-to-parallel converter, M modulators, M beam formers, and transmission antennas. The data serial-to-parallel converter converts transmission...
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7062246 |
Adaptive antenna array and method of controlling operation thereof
An adaptive antenna array ( 14 ) includes a muliplicity of antenna elements ( 12 a– 12 k , 48 a– 48 k ) responsive to uplink communications ( 16 a– 16 k ) and arranged to support...
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7062242 |
Dynamic path gain compensation for radios in wireless communication systems
A DPRAM is placed in the RF path before the digital to analog converter, to provide dynamic path gain compensation to the digital signal prior to conversion to an analog signal. The DPRAM stores...
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7061427 |
Directional antenna physical layer steering for WLAN
A technique for steering a directional antenna such as may be used in a Wireless Local Area Network (WLAN) device. The technique detects signal parameters during reception of short sync pulses in...
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7050776 |
Mobile communication apparatus including transceiving multi-antennas and mobile communication method
A mobile communication apparatus having multiple transmission antennas and multiple reception antennas and a mobile communication method used in the mobile communication apparatus, wherein a base...
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7047044 |
Radio receiving device and radio receiving method
A reception weight calculation section 203 calculates reception weights W 1 and W 2 every antenna using an optimal directional control method in order to improve interference cancellation...
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7043218 |
Diversity CDMA reception apparatus having only one CDMA receiving part
In a diversity CDMA reception apparatus comprising two reception antennas, one of reception levels in two reception antennas is gradually increased during a predetermined time interval while...
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7035612 |
Antenna diversity communications device
An antenna diversity communications device switches communications paths between a plurality of antennas to improve reception in a frequency diversity communications system. Antenna selection is...
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7016660 |
Antenna diversity receiver
An antenna diversity receiving system is disclosed which includes an antenna device with a plurality of FM antennas and a controllable switching circuit for sequentially switching through one of...
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7016658 |
Apparatus and method for transmitting/receiving data according to channel condition in a CDMA mobile communication system with antenna array
Disclosed is a method for providing first and second interleaved bit streams to a modulator in order to transmit the first and second interleaved bit streams through at least two antennas in a...
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7006809 |
Adaptive diversity receiver architecture
A diversity receiver circuit that adaptively selects a variable number of one or more antennas for use in improving signal quality. Each antenna is provided its own receiver that each generates a...
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6987958 |
Method for combining communication beams in a wireless communication system
A method provides a technique for optimally combining communication beams. The method forms a plurality of beams from captured signals. One beam is selected as the primary beam while a subset of...
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