What is the relay switching technology in TD-SCDMA system?
What is the relay switching technology in TD-SCDMA system?
Relay handover is an improved hard handover technology that can improve the success rate of handover. Compared with soft handover, it can overcome the occupation of channel resources of neighboring base stations during handover and can increase the system capacity.
During the relay handover process, the base stations of two cells between cells of the same frequency will receive signals from the same terminal and locate them, and report the positioning results of the possible handover area to the RNC to complete the handover to the target base station. Therefore, the so-called relay handover is determined and executed by the RNC, and does not require the base station to send handover operation information.
Relay switching can be used between TD-SCDMA base stations with different carrier frequencies, or even between TD-SCDMA systems and base stations of other mobile communication systems (such as GSM, CDMA IS-95, etc.).
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