| 摘要 |
The amount of interference to communications in Time Division Duplexing (TDD) mode between a TDD mobile and a TDD base station from a mobile operating in Frequency Division Duplexing (FDD) mode that is located near to the TDD base station can be reduced by changing at least the frequency channel allocated to a particular TDD communications channel, and prefereably also by changing the timeslot allocated to that particular TDD communications channel. Thus instead of allocating particular frequency channels to particular operators for TDD communication, the frequency channels used by any particular operator for TDD communication can change from frame to frame. The timeslots within a frame on a frequency channel may stay the same or may also change. Thus, any particular communications channel (6,8) will not remain on the same frequency channel, nor, possibly, on the same timeslot within a frame, from one frame to the next, so that no one TDD channel will have continuous interference from an FDD channel, but all the TDD communications channels will have the interference shared between them.
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