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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Tran; Jean-Marie
Address:
San Diego, CA
No. of patents:
22
Patents:












Patent Number Title Of Patent Date Issued
RE42800 Apparatus, and associated method, for facilitating selection of power levels at which to communi October 4, 2011
Apparatus, and an associated method, for effectuating power control in a radio communication system, such as an IS-95/IS-2000 system which deploys 1.times.EV-DO technology. At a mobile station, a channel indicia measurer measures channel conditions upon a radio link. Responsive thereto,
7756191 Deconvolution searcher for wireless communication system July 13, 2010
Disclosed is a method, an apparatus and a mobile station embodiment to receive a CDMA signal from a radio channel. The method includes inputting a CDMA signal received through the radio channel to a searcher and processing the received signal in the searcher to obtain a multi-path pr
7430432 Apparatus, and associated method, for calculating communication channel indications for use in a September 30, 2008
Apparatus, and an associated method, for determining a carrier-to-interference ratio to be used in a closed-loop power control scheme to control power levels at which data is sent to a mobile station operable pursuant to a high-rate data communications service. A signal power level c
7359445 System, method and computer program product for demodulating quadrature amplitude modulated sign April 15, 2008
A system, method and computer program product are provided for demodulating Quadrature Amplitude Modulated (QAM) signals based upon a speed of a receiver. The system includes a receiver and a demapping element. The receiver is capable of receiving a QAM signal over at least one slot.
7339977 Signal strength assisted searcher and acquisition March 4, 2008
A code division, multiple access (CDMA) receiver includes an RF section for receiving a CDMA signal through a channel; a circuit for determining an instantaneous total received power (Io) of the received CDMA signal; and a searcher that is one of enabled for operation or disabled from
7289551 System, method and computer program product for demodulating quadrature amplitude modulated sign October 30, 2007
A system, method and computer program product are provided. The system includes a demapping element, and may also include a master controller. The demapping element is capable of estimating an amplitude of a signal constellation of a QAM signal. In this regard, the signal includes a
7233806 Apparatus and method employing time-multiplexed searcher finger monitoring for active set and ot June 19, 2007
A method is disclosed to operate a spread spectrum receiver with an active set of base stations. The method includes monitoring a current serving base station of the active set with a Set Searcher and simultaneously monitoring individual ones of remaining base stations of the active set
7209483 Apparatus, and associated method, for operating upon packet data communicated in a packet commun April 24, 2007
Apparatus, and an associated method, for a packet radio communication system that utilizes a packet retransmission scheme. A data packet, together with a selected number of retransmissions thereof are sent to a mobile station, or other receiving station. A channel condition estimator
7158490 Apparatus, and associated method, for effectuating power control of a communication device January 2, 2007
Power control apparatus, and an associated method, for controlling communication signals generated during operation of a communication system, such as an IS-953G cellular communication system. Determinations are made as to whether a communication channel upon which communication sign
6977918 Method and apparatus for processing a signal received in a high data rate communication system December 20, 2005
The present invention encompasses an electronic device operated in a communication system (for example 1XEV-DO, 1XEV-DV, CDMA, etc). The electronic device receiving a signal from a base station, the signal containing signaling information and data packets. The electronic device proce
6904557 Discontinuous transmission (DTX) detection using decoder metric June 7, 2005
A method detects an absence of a transmitted frame in a wireless communications system that operates with a discontinuous transmission (DTX) protocol between a transmitter and a receiver. The method includes decoding a received signal over a frame period to determine a cumulative met
6856646 T-spaced equalization for 1xEV systems February 15, 2005
The present invention relates to systems and methods that facilitate compensating for intersymbol interference (e.g. due to non-nyquist filtering) in Code Division Multiple Access (CDMA) systems (e.g., IS 95 and IS2000 systems). The subject invention employs equalization filters (e.g
6819935 Apparatus, and associated method, for facilitating selection of power levels at which to communi November 16, 2004
Apparatus, and an associated method, for effectuating power control in a radio communication system, such as an IS-95/IS-2000 system which deploys 1.times.EV-DO technology. At a mobile station, a channel indicia measurer measures channel conditions upon a radio link. Responsive thereto,
6735449 Apparatus, and an associated method, for facilitating power control in a communication system May 11, 2004
Apparatus, and an associated method, by which to facilitate regulation of power levels of a communication signal generated during operation of a communication system. Closed-loop power control is effectuated by selectively generating a power control command such as a power up or power
6728299 Transmitter gain control for CDMA signals April 27, 2004
A method, system, and computer program product for controlling amplification of an input transmit signal in a transmitter in order to operate a digital-to-analog converter such that its clipping point corresponds to a desired cumulative distribution level. The input transmit signal i
6665284 Apparatus, and associated method, for receiving data at a radio device December 16, 2003
Apparatus, and an associated method, for a communication station, such as a mobile station operable pursuant to an IS-95/IS-2000 communication service and an HDR (High Data Rate) data communication service. The receiver part of the communication station includes first and second RF (Radi
6621871 Incremental redundancy packet combiner and decoder September 16, 2003
Bit probability estimates generated by a turbo decoder are employed to weight the bits of a received packet before combining the received packet with a redundant packet. Bits are individually weighted by the corresponding bit probability estimate and all bits within the received pack
6570909 Interference suppression in a CDMA receiver May 27, 2003
A system and method for canceling interference present in a code-division multiple access (CDMA) channel signal received at a CDMA receiver that is caused by multipath components of a transmitted pilot channel signal or by soft handoff conditions is computationally efficient because it o
6463031 Rate determination technique that utilizes modified cumulative metrics to orthogonalize the rate October 8, 2002
A method and apparatus, such as a radiotelephone, operates so as to (a) decode a signal received from a communications channel to extract data therefrom, the data being received at one of n rates and the signal being decoded at each of the n rates for generating n Cumulative Metrics; (b)
6377813 Forward link closed loop power control for a third generation wideband CDMA system April 23, 2002
A wireless telecommunications mobile station, which is bi-directionally coupled to a base station through a communication channel, includes a device for receiving signals over the communication channel from the base station, power control circuitry for selectively deriving power control
6269075 Finger assignment in a CDMA rake receiver July 31, 2001
A method and apparatus of assigning fingers in a rake receiver for incorporation in a receiver of a CDMA communications system is disclosed herein. The method includes measuring the multipath profile of a received spread-spectrum radio-frequency (RF) signal to obtain a sequence of me
5712890 Full breast digital mammography device January 27, 1998
The invention provides a digital x-ray mammography device capable of imaging a full breast. A movable aperture coupled with a movable x-ray image detector permits x-ray image data to be obtained with respect to partially overlapping x-ray beam paths from an x-ray source passing throu










 
 
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