Simple block space time transmit diversity using multiple spreading codes
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United States of America Patent
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Issued Date -
Jul 11, 2002
app pub date -
Feb 15, 2002
filing date -
Dec 7, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is an apparatus for a base station to transmit a data field of symbols. A first data field of symbols is generated and encoded to produce a second data field having complex conjugates of the symbols of the data field. The first and second data fields are then spread, wherein the first data field is spread using a first channelization code and the second data field is spread using a second channelization code. Each of the channelization codes are uniquely associated with one of a first and second antenna. An RF signal including the first and second spread data fields is then transmitted over a first and second antenna.
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