Method and device for configuring inter-cell time division duplex modes based on a tdd system

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A method for configuring inter-cell time division duplex modes based on a time division duplex system, which is used to eliminate the uplink/downlink signal interference between more than two adjacent cells with different ratios of the numbers of uplink/downlink physical frames in the same frequency band, comprising:

• one or more physical frame groups which are overlapped in the time domain and have different transmitting modes existing in the physical frames of the more than two adjacent cells;
• for each physical frame group, setting all the uplink physical frames or all the downlink physical frames in the physical frame group respectively not to transmit signals;
• in all the physical frame groups, setting all the uplink physical frames in the physical frame groups at a same location not to transmit signals, or setting all the downlink physical frames in the physical frame groups at a same location not to transmit signals.

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A method for configuring inter-cell time division duplex modes based on a time division duplex system, which is used to eliminate the uplink/downlink signal interference between multiple adjacent cells, of which the head and tail of the superframes in the same frequency band are not aligned, comprising:

• one or more physical frame groups which are overlapped in the time domain and have different transmitting modes existing in the physical frames of the multiple adjacent cells;
• for each physical frame group, setting all the uplink physical frames or all the downlink physical frames in the physical frame group respectively not to transmit signals;
• in all the physical frame groups, setting all the uplink physical frames in the physical frame groups at a same location not to transmit signals, or setting all the downlink physical frames in the physical frame groups at a same location not to transmit signals.

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A device for configuring inter-cell time division duplex modes based on a time division duplex system, which is used to eliminate the uplink/downlink signal interference between multiple adjacent cells in the same frequency band, comprising:

• a determining module, configured to determine that one or more physical frame groups which are overlapped in the time domain and have different transmitting modes exist in physical frames of the multiple adjacent cells;
• a setting module, configured to set, in all the physical frame groups, all the uplink physical frames in the physical frame groups at a same location not to transmit signals or all the downlink physical frames in the physical frame groups at a same location not to transmit signals.