Dynamic cooperation transmission method for OFDM mobile relay network
A technology of cooperative transmission and mobile relay, applied in the field of greedy resource allocation algorithm for reuse, can solve problems such as pilot frequency collision, and achieve the effect of efficient utilization and resource realization.
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and examples.
[0025] like figure 2 As shown, the BS base station transmits the pilot signal P at the pilot position, transmits the data D1 of SS1 in the data subchannel φ1, and transmits the data D2 of the SS2 in the data subchannel φ2. The RS relay station transmits the pilot signal P at the pilot position, transmits the data D1 of SS1 on the data subchannel φ1, and does not transmit data on the data subchannel φ2. Since the BS base station and the RS relay station transmit the data subchannel φ1 cooperatively, SS1 will no longer encounter the pilot frequency collision problem, because SS1 not only receives the collision pilot frequency, but also receives the collision data. The transmission from BS to SS2 and from RS to SS1 can be performed simultaneously in one OFDM symbol, which can also avoid the situation that idle resources cannot be effectively utilized due to...
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