Wireless backhaul method of heterogeneous cellular network based on orthogonal frequency division multiple access
An orthogonal frequency division multiple access, cellular network technology, applied in the field of wireless backhaul of heterogeneous cellular networks, can solve problems such as unrealistic costs, and achieve the effects of improving security performance, reducing the harm of interference, and increasing the probability of system coverage
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[0023] The technical solutions of the present invention will be described below with reference to the accompanying drawings and implementation methods.
[0024] The present invention designs a wireless backhaul method for heterogeneous networks using in-band full-duplex, massive MIMO, and orthogonal frequency division multiple access technology, and provides a wireless backhaul method for a network composed of macro base station MBS, small base station SBS, user UE and eavesdropper Eve. Detailed analysis of small cell uplink, backhaul and macrocell downlink in heterogeneous wireless cellular networks.
[0025] like figure 1 As shown, consider a massive MIMO dual-layer heterogeneous cellular network based on in-band full-duplex technology (IB-FD), which consists of macro base station MBS, small base station SBS, user UE and some passive malicious eavesdroppers Eve, In addition, dense small cells are deployed on the macro cells, sharing system spectrum, bandwidth and other reso...
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