Vertical Handoff Method for Cognitive Heterogeneous Wireless Networks
A heterogeneous wireless network and vertical switching technology, applied in wireless communication, electrical components, etc., can solve the problems of low user service quality, difficult to determine parameter weights, large time complexity, etc., to improve network capacity and free spectrum. Resource utilization, reducing network switching rate, and avoiding the effect of frequent switching
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[0046] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.
[0047] The technical scheme that the present invention solves the above-mentioned technical problems is:
[0048] The method comprehensively considers that in cognitive heterogeneous wireless networks, on the user side, the grey relational analysis method is used to rank cognitive heterogeneous wireless networks; on the network side, the maximum matching algorithm of bipartite graph is used to realize the matching between users and networks. best match. The algorithm can effectively control frequent handovers, improve network throughput and user service quality, and achieve load balancing.
[0049] The network selection method proposed by the present invention includes the following steps: ...
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