Adaptive acquisition of PN sequences for DSSS communications

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Since the received signal levels in mobile communications are unknown and location varying, acquisition schemes for pseudonoise (PN) sequences with fixed thresholds cannot provide satisfactory performance, This fixed-threshold scheme may cause too many false alarms or result in low detection probability for a selected threshold value. In this letter we present an adaptive acquisition scheme for PN sequences which estimate the background power level, multiply it with threshold coefficient to keep the false alarms constant, and use it as a threshold.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
1998-08
Language
English
Article Type
Article
Citation

IEEE TRANSACTIONS ON COMMUNICATIONS, v.46, no.8, pp.993 - 996

ISSN
0090-6778
URI
http://hdl.handle.net/10203/69050
Appears in Collection
EE-Journal Papers(저널논문)
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