Receiver
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United States of America Patent
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N/A
Issued Date -
Jan 16, 2003
app pub date -
Jun 5, 2002
filing date -
Oct 6, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A 3-step cell search type receiver apparatus with an improved accuracy is provided. The receiver apparatus comprises a matched filter MF and sliding correlator unit SC to which a reception signal Sin is inputted. The matched filter MF computes correlation between the reception signal Sin and a primary synchronization code PSC and produces an output Spsc, which is retained in a memory MEM1 and then processed by a timing detection unit TDP. The sliding correlator unit SC comprises a plurality of sliding correlators SC1 to SCq, whose outputs A [1] to A [q] are retained in a memory MEM2 and then processed by a timing group identification unit TGI. The sliding correlator unit SC computes correlation based on the primary and secondary synchronization codes or the secondary synchronization code. In the former case, inphase-addition is performed after performing channel estimation and phase correction, and in the latter case, only inphase-correction is performed.
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