Simple block space time transmit diversity using multiple spreading codes
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United States of America Patent
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N/A
Issued Date -
Aug 15, 2002
app pub date -
Nov 15, 2001
filing date -
Dec 7, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is a system and method for use in a CDMA communication system including a plurality of base stations and a user equipment (UE), each for communicating with each other. The base station has a transmitter which includes a first and second antenna for transmitting a data field of symbols. The first spreading device spreads the first data field using a first channelization code and the second spreading device spreads the second data field using a second channelization code, each channelization code being uniquely associated with one of the first and second antennas. The UE has a receiver for receiving a signal including the first and second spread data fields. The UE includes a joint detection device for detecting the symbols of the first and second data fields using the first and second channelization codes and a decoder for decoding the detected data fields to generate a single data field of symbols.
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