Pilot pattern design for a STTD scheme in an OFDM system
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United States of America Patent
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-
May 24, 2011
Issued Date -
N/A
app pub date -
Oct 14, 2008
filing date -
Jul 5, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A transmitting device for transmitting data and pilot symbols in an OFDM transmission system having transmission antennas. The device includes symbol generating means for generating data and pilot symbols, means for transmitting the data and pilot symbols using subcarriers of the OFDM system. The symbol generating means generates a first and second type pilot symbol, the second having an inverted value of the first so that a first pilot symbol pattern to be transmitted by using one of said plurality of transmission antennas has a different pattern in the frequency and time dimension from a second pilot symbol pattern to be transmitted by using another transmission antenna. First and second pilot symbols are comprised in respective first and second pilot symbol patterns, where at least some of the first and second pilot symbols have the same time allocation and being alternately identical and inverted to each other.
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