US Patent No: 6,038,272

Number of patents in Portfolio can not be more than 2000

Joint timing, frequency and weight acquisition for an adaptive array

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Abstract

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An apparatus for performance improvement of a digital wireless receiver comprises a processing circuit for processing a plurality of received signals and providing a processed signal where the received signals are multiplied by weights and combined; and a weight generation circuit for generating the weights; wherein the received signals are sampled at a multiple of a symbol rate, different weights for each set of samples at a symbol rate are generated and the weights are selected to optimize performance.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
LUCENT TECHNOLOGIES INC.MURRAY HILL, NJ8912

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Golden, Glenn David Boulder, CO 15 398
Winters, Jack Harriman - 57 724

Cited Art Landscape

Patent Info (Count) # Cites Year
 
AT&T CORP. (1)
5,481,570 Block radio and adaptive arrays for wireless systems 172 1993
 
ERICSSON GE MOBILE COMMUNICATIONS INC. (1)
5,499,272 Diversity receiver for signals with multipath time dispersion 74 1994
 
HUGHES ELECTRONICS CORPORATION (1)
4,717,919 Feedback limited adaptive antenna with signal environment power level compensation 9 1985

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
IPR LICENSING, INC. (17)
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6,687,492 System and method for antenna diversity using joint maximal ratio combining 138 2002
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7,194,237 System and method for multiple-input multiple-output (MIMO) radio communication 75 2003
6,965,762 System and method for antenna diversity using joint maximal ratio combining 53 2003
7,573,945 System and method for joint maximal ratio combining using time-domain based signal processing 5 2003
7,099,678 System and method for transmit weight computation for vector beamforming radio communication 73 2004
7,079,870 Compensation techniques for group delay effects in transmit beamforming radio communication 16 2004
7,245,881 System and method for antenna diversity using equal power joint maximal ratio combining 3 2004
7,570,921 Systems and methods for improving range for multicast wireless communication 2 2004
6,993,299 Efficiency of power amplifiers in devices using transmit beamforming 11 2004
7,009,559 Method and apparatus for adapting antenna array using received predetermined signal 7 2004
7,545,778 Apparatus for antenna diversity using joint maximal ratio combining 13 2005
7,565,117 Control of power amplifiers in devices using transmit beamforming 3 2006
7,308,287 Compensation techniques for group delay effects in transmit beamforming radio communication 3 2006
7,881,674 System and method for antenna diversity using equal power joint maximal ratio combining 1 2007
7,899,414 Control of power amplifiers in devices using transmit beamforming 1 2009
 
AT&T MOBILITY II LLC (6)
7,643,568 Low complexity maximum likelihood detection of concatenated space codes for wireless applications 5 2004
7,386,077 Receiver diversity technique for wireless communications 8 2006
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7,609,771 Maximum ratio transmission 1 2008
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AT&T WIRELESS SERVICES, INC. (3)
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AT&T INTELLECTUAL PROPERTY II, L.P. (2)
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MEDIATEK INC. (2)
7,379,752 Methods and apparatus for communication in a wireless system 1 2004
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CINGULAR WIRELESS II, LLC (1)
7,274,752 Maximum ratio transmission 3 2004
 
LUCENT TECHNOLOGIES INC. (1)
6,157,847 Base station system including parallel interference cancellation processor 37 1999
 
METAVE ASSET HOLDINGS, LLC (1)
6,405,018 Indoor distributed microcell 50 1999
 
MITSUBISHI DENKI KABUSHIKI KAISHA (1)
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QUALCOMM INCORPORATED (1)
6,961,545 Method and system for providing antenna diversity 24 2001