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Receiver synchronization in radio communication systems employing transmit diversity
Receiver synchronization in radio communication systems employing transmit diversity
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机译:采用发射分集的无线电通信系统中的接收机同步
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摘要
According to one or more embodiments, multiple transmitters may simultaneously transmit orthogonal acquisition sequences with certain frequencies zeroed out, such that receivers receiving a signal (waveform) may separate the signal into the orthogonal sequences based on which frequencies are zeroed out to perform acquisition processes. For example, each transmitter may simultaneously transmit an orthogonal acquisition sequence with certain tones zeroed out depending upon which transmitter transmits the symbol. A particular receiver may then receive a signal, and filter it to produce a plurality of filtered signals that distinguish orthogonal acquisition sequence symbols based on which tones are zeroed out within the symbols. The particular receiver may synchronize with a particular transmitter in response to detecting an orthogonal acquisition sequence within one of the filtered signals and correlating the detected sequence to the particular transmitter based on from which of the plurality of filtered signals the orthogonal acquisition sequence is detected.
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