C-RAN架构无线接入网组播中的协作RRU选择算法

doi:10.3969/j.issn.1001-2400.2013.06.028

Abstract

Abstract:

In the centralized, collaborative, cloud-based and clean wireless access network(C-RAN), the problem of the selection of the RRUs in cooperating group realizing CoMP for multicast service exists. In this paper, we propose an algorithm for RRU selection based on the signal receiving quality of multicast users and immediate load of RRUs. This algorithm adopts the channel capacity and the occupied resources as the optimal objects to establish the objective functions. And we find the optimal solution of the objective functions to achieve the appropriate cooperating RRU group. Contrasting with the selection algorithm based on signal receiving quality and geographical location, simulations show that the proposed algorithm improves the throughput and service fairness of multicast users in the CoMP system, and meanwhile reduces the load of the selected cooperative RRU and balances the system load.

Key words: CoMP, cooperating RRU selection, multicast service, load

CLC Number:

TN929.53

LIU Zhanjun;ZHU Zhichao;ZHOU Shiyan;ZHANG Zufan. Cooperative RRU selection algorithm for multicast service in C-RAN wireless networks[J].J4, 2013, 40(6): 168-173.

References

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Cooperative RRU selection algorithm for multicast service in C-RAN wireless networks

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