Tuesday, July 07, 2009 8:48:40 AM
Li July 7, 2009
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Communication system modulating/demodulating data using antenna patterns and associated methods
Abstract
A wireless communication system includes a transmitter comprising a serial-to-parallel converter for converting serial data bits to a parallel bit stream, a signal mapper coupled to the serial-to-parallel converter and an antenna selector coupled to the serial-to-parallel converter. The signal mapper receives as input a first group of bits from the parallel bit stream, and maps the first group of bits to a channel symbol. The antenna selector receives as input a second group of bits from the parallel bit stream. A transmit antenna array is coupled to the antenna selector and to the signal mapper. The transmit antenna array generates a plurality of transmit antenna patterns with one of the transmit antenna patterns being selected for transmitting the channel symbol based upon the second group of bits from the antenna selector.
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Inventors: Li; Yingxue (Exton, PA)
Assignee: InterDigital Technology Corporation (Wilmington, DE)
Appl. No.: 11/345,732
Filed: February 2, 2006
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Related U.S. Patent Documents
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Application Number Filing Date Patent Number Issue Date
60651728 Feb., 2005
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Current U.S. Class: 375/299 ; 342/360; 342/374; 342/74; 342/82; 375/146; 375/267; 455/123
Current International Class: H04L 27/12 (20060101)
Field of Search: 375/146,219,256,259,260,267,285,295,296,299 342/74,81,82,354,359,360,368,374 455/63.4,91,101,107,121,123,562.1,575.7
Gamco
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