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

Abstract

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

CLC Number:

TN929.5

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.

Figures/Tables 14

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	$m_{MS}^{s} m_{BS}^{s}$	$(1 - c_{MS}^{s}) (1 - c_{BS}^{s})$

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
$℘$	$\frac{1}{144}$

References 17

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