Method and system for utilizing space-time and space-frequency codes for multi-input multi-output frequency selective fading channels
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United States of America Patent
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Mar 7, 2006
Issued Date -
N/A
app pub date -
Nov 5, 2001
filing date -
Nov 6, 2000
priority date (Note) -
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Abstract
A communication system for transmitting encoded signals over a communication channel is disclosed. The system includes a transmitter, which has a source that outputs a message signal. The transmitter also includes an encoder that generates a code word in response to the message signal. The code word has a construction that defines a plurality of paths associated with an intersymbol interference (ISI) environment of the communication channel, wherein the code word achieves a diversity based upon the number of transmit antennas and the number of ISI paths. Further, the transmitter includes a modulator that modulates the code word for transmission over the communication channel, and multiple antennas that transmit the modulated code word over the communication channel. The system encompasses a receiver that receives the transmitted code word via a number of receive antennas.
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