Accidental access method for Time Division-Synchronous Code Division Multiple Access system
A code division multiple access, time division synchronization technology, applied in the transmission system, communication between multiple stations, electrical components and other directions, can solve system access conflicts, poor access effect, waste of user uplink access. Opportunities and other issues, to avoid waste, improve the success rate, and reduce the probability of access conflicts
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[0020] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
[0021] Such as image 3 As shown, the method described in the embodiment of the present invention includes the following steps:
[0022] Step S302, on each antenna unit of the time division synchronous code division multiple access system (TD-SCDMA) base station, by performing a correlation operation on the received random access signal and an uplink synchronization code S to obtain a corresponding correlation result sequence ; Wherein, the random access signal is a random access signal of a user terminal including an uplink synchronization code, and the uplink synchronization code S (can be any one of 8) is included in the local uplink access signal code group;
[0023] Step S304, processing the correlation result sequence obtained on each antenna unit, so as to determine in step S306 whether there is a user equipment using the uplink synchronization code S fo...
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