A quick call establishment method of TD-SCDMA cluster communication system
A TD-SCDMA, trunking communication technology, applied in the field of rapid call establishment of time division synchronous code division multiple access trunking communication system, can solve the problems of different methods of rapid establishment of calls, save power consumption, strengthen management, save air interface The effect of resources
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[0042]In TD-SCDMA, except for the Uu interface, the UE is always online on other interfaces. For the Uu interface, at the initial stage of establishing a group call, regardless of whether there is a UE in the cell, the air interface resources are used to allocate the corresponding group call in each legal cell. Group call service channel, which is a pair of uplink and downlink channels. When the cell has UEs entering the trunking service, the UE access information is reported in a competitive manner. If the network side does not receive the UE's reported access information (that is, feedback response information) within the specified time, it is considered that a certain cell has no UE. , if there is no UE in this cell, delete the corresponding uplink and downlink channels.
[0043] The method for quickly establishing a group call of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0044] figure 1 It is a schematic diag...
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