A Time Division Interference Alignment Method for Full-duplex Base Station Cellular Networks
A cellular network, interference alignment technology, applied in the field of communication, can solve the problems of reducing system rate, high overhead, incompatibility of single-antenna users, etc., to achieve the effect of enhancing compatibility and overcoming incompatibility
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[0051] The present invention will be further described below in conjunction with the accompanying drawings.
[0052] Refer to attached figure 1 , to further describe the specific steps for realizing the present invention.
[0053] Step 1. Select a user group.
[0054] Randomly select one uplink user from all the uplink users of the full-duplex base station cellular network, randomly select two downlink users from all the downlink users of the full-duplex base station cellular network, and combine the selected one uplink user and the two downlink users A user group.
[0055] The number of uplink and downlink antennas at the base station is both M, and the number of antennas at the uplink and downlink user terminals is also M, where M≥1, and M=1 is adopted in the embodiment of the present invention.
[0056] Step 2, the user group transmits the signal of the first time slot.
[0057] Uplink users in the user group send uplink signal s to the base station 1 .
[0058] The b...
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