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OCDMA CODE TRACKING SYSTEM HAVING PHANTOM CARRIER SIGNAL
OCDMA CODE TRACKING SYSTEM HAVING PHANTOM CARRIER SIGNAL
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机译:具有幻像载波信号的OCDMA码跟踪系统
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摘要
An OCDMA communication system in which channel signals are bandwidth spread according to a PN code and each channel is identified by a selected one of a set of RW code accesses. The set of RW codes is reduced by predetermined one (preferably RW0). Each transceiver has acquisition and tracking circuitry which search for a null (e.g., the unsent RW access code) falling lower than a predetermined threshold value and synchronizing tracking on detection of the null.
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