基于CoMP传输的分布式异构网络资源分配

doi:10.11959/j.issn.1000-0801.2015245

Abstract

Abstract:

Improving utilization of radio resource is a promising solution to alleviate the contradiction between increasing wireless communications demands and limited radio resources of wireless transmission. Coordinated multipoint （CoMP）based heterogeneous network （HetNet）has huge application prospects to improve the spectrum efficiency and energy efficiency, and therefore, has attracted constant attentions from not only academia and industry. The radio resource allocation for CoMP based HetNet was investigated, and a distributed resource schedule algorithm by means of cross-entropy method was proposed. Extensive simulations are conducted to verify the effectiveness of the proposed algorithm in terms of throughput, energy efficiency and user fairness.

Key words: heterogeneous network, CoMP transmission, resource allocation

Jia Yu,Ye Wang,Shaohua Wu,Qinyu Zhang. Resource Allocation of Distributed Heterogeneous Network Based on CoMP Transmission[J]. Telecommunications Science, 2015, 31(9): 11-19.

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References 18

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参数名称	参数值
小区布局	37个六边形小区；小区绕卷
小区半径	250 m
中心频率	2 GHz
RB数量（NRB）	100
TP的总功率限制	46 dBm（≈40 watt）
天线数（N_T×N_R）	2×2
TTI	1 ms
a	0.1
信道模型	SCM
最短距离（TP 与用户之间）	35 m
发射/接收天线的高度	35 m/1.5 m
穿透损耗	20 dB
负载模型	full buffer
用户速度	10 m/s

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Resource Allocation of Distributed Heterogeneous Network Based on CoMP Transmission

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