A D2D inter-cluster equalization method for power communication
An equalization method and power communication technology, applied in wireless communication, machine-to-machine/machine-type communication services, electrical components, etc., can solve the problems of increasing relay equipment, high construction costs, and inability to guarantee equipment safety, etc., to achieve improvement Access reliability and the effect of reducing access loss
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[0039] Based on the network architecture of D2D clustering, the present invention proposes a D2D inter-cluster equalization method, and the mathematical model adopted is as follows:
[0040] Suppose there are N CPE terminals U={u within the coverage of ENB 0 1 , u 2 ,...u N}, can form P clusters Ω={Ω 1 ,Ω 2 ,…Ω P},satisfy:
[0041]
[0042] Cluster members between different clusters are independent (non-overlapping), that is, no CPE belongs to two or more clusters. Definition||Ω k || is cluster Ω k The total number of inner CPE, including ||Ω k || - 1 cluster member and 1 cluster head.
[0043] order h 0-i for The LTE channel status (signal-to-noise ratio or received power) of the currently connected ENB. order h i-j for and Wi-Fi channel status. Define the channel state threshold as h LTE and h Wi-Fi , if and only if the channel state is greater than the threshold (h 0-i ≥ h LTE , h i-j ≥ h Wi-Fi ), the channel is connectable, that is, the QoS inde...
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