毫米波蜂窝网络混合频谱接入方案的性能研究

doi:10.11959/j.issn.1000-436x.2018141

通信学报 ›› 2018, Vol. 39 ›› Issue (8): 160-168.doi: 10.11959/j.issn.1000-436x.2018141

毫米波蜂窝网络混合频谱接入方案的性能研究

李中捷,陈燚雷,刘倩倩,朱翠涛

中南民族大学智能无线通信湖北省重点实验室，湖北武汉 430074

修回日期:2018-06-03 出版日期:2018-08-01 发布日期:2018-09-13
作者简介:李中捷（1974-），男，湖北武汉人，博士，中南民族大学副教授，主要研究方向为无线通信技术、通信信号处理。|>陈燚雷（1992-），男，湖北武汉人，中南民族大学硕士生，主要研究方向为随机几何、蜂窝网络建模。|刘倩倩（1995-），女，湖北麻城人，中南民族大学硕士生，主要研究方向为无线通信。|朱翠涛（1967-），男，湖北郧县人，博士，中南民族大学教授，主要研究方向为无线通信、压缩感知、最优化理论等。
基金资助:
国家自然科学基金资助项目(61379028);国家自然科学基金资助项目(61671483);湖北省自然科学基金资助项目(2016CFA089)

Performance study of hybrid spectrum access scheme in millimeter wave cellular network

Zhongjie LI,Yilei CHEN,Qianqian LIU,Cuitao ZHU

Hubei Key Laboratory of Intelligent Wireless Communications,South-Central University For Nationalities,Wuhan 430074,China

Revised:2018-06-03 Online:2018-08-01 Published:2018-09-13
Supported by:
The National Natural Science Foundation of China(61379028);The National Natural Science Foundation of China(61671483);The Natural Science Foundation of Hubei Province(2016CFA089)

摘要/Abstract

摘要：

针对毫米波蜂窝网络中开放接入模式下多运营商双频混合频谱接入方案的频谱效率进行了研究。首先，采用泊松点过程对各运营商基站分布进行建模，用户根据最大接收功率准则选择基站以及高频载波信号干扰噪声比（SINR）阈值接入准则选择载波频段；其次，采用速率覆盖率作为研究频谱效率的性能指标，根据信道模型、路径损耗模型和天线模型，由随机几何理论推导出速率覆盖率的理论计算式；最后，通过仿真实验分析用户密度、基站密度和天线增益等参数对速率覆盖率的影响。实验结果表明，多运营商双频混合频谱接入方案具有较好的频谱利用率。

关键词: 毫米波, 混合频谱接入, 速率覆盖率, 泊松点过程, 随机几何

Abstract:

In millimeter wave cellular networks,the spectrum efficiency of multi-operator dual frequency hybrid spectrum access scheme under open access mode was studied.Firstly,Poisson point process was used to model the distribution of base stations of each operator,the base station and carrier frequency were selected by users based on maximum received power criterion and high frequency carrier signal to interference plus noise ratio (SINR) threshold access criterion respectively.Secondly,the rate coverage was used as performance criteria to study the spectrum efficiency,and the theoretical expression of rate coverage was derived based on stochastic geometry theory according to channel model,path loss model and antenna model.Finally,the influence of user density,base station density and antenna gain on rate coverage was analyzed by simulation.The experimental results show that the multi-operator dual frequency hybrid spectrum access scheme has better spectrum utilization efficiency.

Key words: millimeter wave, hybrid spectrum access, rate coverage, Poisson point process, stochastic geometry

中图分类号:

TN929.5

李中捷,陈燚雷,刘倩倩,朱翠涛. 毫米波蜂窝网络混合频谱接入方案的性能研究[J]. 通信学报, 2018, 39(8): 160-168.

Zhongjie LI,Yilei CHEN,Qianqian LIU,Cuitao ZHU. Performance study of hybrid spectrum access scheme in millimeter wave cellular network[J]. Journal on Communications, 2018, 39(8): 160-168.

图/表 14

图1

图2

图3

表1

a k s 和 b k s 的概率质量函数"

k	$a_{k}^{s}$	$b_{k}^{s}$
1	$M_{MS}^{s} M_{BS}^{s}$	$c_{MS}^{s} c_{BS}^{s}$
2	$M_{MS}^{s} m_{BS}^{s}$	$c_{MS}^{s} (1 - c_{BS}^{s})$
3	$m_{MS}^{s} M_{BS}^{s}$	$c_{BS}^{s} (1 - c_{MS}^{s})$
4	$m_{MS}^{s} m_{BS}^{s}$	$(1 - c_{MS}^{s}) (1 - c_{BS}^{s})$

表1

表2

系统仿真参数"

参数	参数值
λ_m	20个/km²
λ_u	100个/km²
$β_{LOS}^{28 GHz}, α_{LOS}^{28 GHz}$	-60 dB,2
$β_{NLOS}^{28 GHz}, α_{NLOS}^{28 GHz}$	-70 dB,3
$β_{LOS}^{73 GHz}, α_{LOS}^{73 GHz}$	-70 dB,2
$β_{NLOS}^{73 GHz}, α_{NLOS}^{73 GHz}$	-80 dB,2.5
$M_{BS}^{28 GHz}, M_{MS}^{28 GHz}$	10 dB,10 dB
$m_{BS}^{28 GHz}, m_{MS}^{28 GHz}$	-10 dB,-10 dB
$c_{MS}^{28 GHz}, c_{BS}^{28 GHz}$	45°,45°
$M_{BS}^{73 GHz}, M_{MS}^{73 GHz}$	20 dB,20 dB
$m_{BS}^{73 GHz}, m_{MS}^{73GHz}$	-10 dB,-10 dB
$c_{MS}^{73 GHz}, c_{BS}^{73 GHz}$	30°,30°
$W_{28 GHz}, W_{73 GHz}$	$\frac{1}{M} G H z, 1 G H z$
M	3
$℘$	$\frac{1}{144}$

表2

图4

图5

图6

图7

图8

图9

图10

图11

图12

参考文献 17

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毫米波蜂窝网络混合频谱接入方案的性能研究

Performance study of hybrid spectrum access scheme in millimeter wave cellular network

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