Method for constituting structure of time slot of DwPCH and UpPCH in TD SCDMA system
A TD-SCDMA and composition method technology, applied in the field of subframe structure, can solve the problems of difficulty in receiving broadcast channels, reducing system capacity, and difficulty in re-searching network cells when starting up, and achieving the effects of increasing coverage and increasing processing delay.
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[0015] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0016] figure 1 It is a schematic diagram of the subframe structure of the usual TD-SCDMA system, in which: the number of chips occupied by each time slot is marked on the figure; TS0 and DwPTS are always downlink; UpPTS and TS1 are always uplink.
[0017] figure 2 It is a schematic diagram of the composition structure of DwPTS in the usual TD-SCDMA system protocol, image 3 It is a schematic diagram of the composition and structure of DwPTS proposed by the present invention. As shown in the figure, in the DwPTS composition structure proposed by the present invention, the SYNC_DL of 64 chips is placed before the guard interval of 32 chips.
[0018] Figure 4 It is a schematic diagram of the structure of UpPTS in the TD-SCDMA system protocol, Figure 5 It is a schematic diagram of the structure of the UpPTS proposed by the present invention. As shown in...
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