Cell synchronization method and initial cell searching method for broadband time-division dual-duplex cellular system
A time-division duplex, cellular system technology, applied in the field of communication, to achieve the effect of reducing related calculations
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[0042] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0043] The frame structure of the TD-SCMDA evolution system is shown in Figure 1. In Fig. 1, each wireless subframe is composed of 7 common time slots (TS0-TS6) and three special time slots. Among them, common time slots are used to transmit data, and three special time slots are DwPTS, UpPTS and GP. The DwPTS is a downlink pilot channel, which is used for sending downlink synchronization information of the system. UpPTS is an uplink pilot channel, which is used for sending uplink synchronization information for user access. The GP is a conversion guard time slot, which is used to provide a time interval for switching the downlink transmission time slot to the uplink transmission time slot.
[0044] According to the subframe structure of the TD-SCDMA evolution system in FIG. 1 above, the downlink synchronization structure of the present invention can be designed. ...
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