Full duplex orthogonal frequency division communication method for large-scale antenna system
A large-scale antenna and orthogonal frequency division technology, applied in transmission systems, multi-frequency code systems, digital transmission systems, etc., can solve the problems of limited system coverage, unsuitable communication scenarios, low channel utilization, etc. Wide coverage, improve channel resource utilization, reduce the effect of signal processing
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[0036] The technical solutions of the present invention will be further described below by means of the accompanying drawings and examples.
[0037] refer to figure 1 , the system to which the present invention is applicable is a system in which a single base station communicates with multiple user terminals, where the base station is equipped with large-scale antennas, and the number of antennas is hundreds or even thousands. Each user terminal is configured with a single antenna, while the number of antennas configured by the base station is far greater than the number of all user terminals. The invention realizes the frequency division full-duplex method of simultaneously transmitting data in the uplink and the downlink.
[0038] refer to figure 2 , the specific implementation steps of the present invention are as follows:
[0039] Step 1: Divide the number of subcarriers for uplink data, uplink pilot and downlink data.
[0040] (1a) Divide the entire signal transmissi...
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