Wireless LAN compatible multi-input multi-output system
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United States of America Patent
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Sep 19, 2006
Grant Date -
Dec 23, 2004
app pub date -
Mar 5, 2004
filing date -
Jun 18, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and method for enhancing the data rate of a WLAN. Through the deployment of a MIMO system, the data rate ordinarily expected of a SISO type system can be doubled. Yet, the MIMO system of the present invention can remain backward compatible with conventional WLAN standards implemented by typical SISO type system. In particular, the packet preamble of the MIMO packet of the present invention is similar to that of a conventional SISO system so as to be backward compatible with conventional SISO receivers. Additionally, the data model of the MIMO system can be configured to support the detection of symbols in the MIMO packet of the present invention. Importantly, the present invention can include a least squares soft-detector for use in a wireless LAN compatible MIMO system.
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