基于射线追踪传播模型实现5G室内分布系统仿真的研究

doi:10.11959/j.issn.1000-0801.2022027

Abstract

Abstract:

The construction of indoor distribution system has become an effective means to solve the problem of deep coverage.At present, 5G network construction is developing rapidly, indoor distribution system construction is exploding, and the network planning and design of indoor distribution system needs to be more refined.How to effectively evaluate the indoor signal coverage effect becomes one of the important tasks of current indoor distribution system planning and design.A building was taken as the research object, the coverage performance index was calculated by ray-tracing propagation model simulation, and the results were compared with the road test data of the existing network.After correcting the relevant model parameters, the simulation is consistent with the actual measurement, and the demonstration simulation provides a reference basis for network deployment.

Key words: indoor distribution system, 5G network, ray tracing propagation model, coverage performance index

CLC Number:

TN929

Xin TAO, Junqing WAN, Yifeng LI, Xisheng XU, Nanting QIAO, Bin XU. Research on simulation of 5G indoor distribution system based on ray tracing propagation model[J]. Telecommunications Science, 2022, 38(2): 111-118.

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段	频点/MHz	材质穿透损耗/dB
段	频点/MHz	钢化玻璃	混凝土墙	石膏板墙	木门
N41	2 685	5.83	13.32	9.61	3.09
N78	3 355	6.16	16.75	11.25	3.39
N79	4 915	6.84	18.15	12.42	3.48

SS-RSRP分布区间/dBm	占比
（-∞,_-150）	0.00%
（-150,_-105）	4.79%
（-105,_-95）	8.82%
（-95,_-85）	20.15%
（-85,_-75）	16.28%
（-75,_-65）	28.77%
（＋∞,_-65）	21.20%

SS-RSRP分布区间/dBm	占比
(-∞,_-150)	0.00%
[_-150,_-105)	0.00%
[_-105,_-95)	0.11%
[_-95,_-85)	0.65%
[_-85,_-75)	5.20%
[_-75,_-65)	12.68%
[_-65,＋∞)	81.36%

SS-RSRP分布区间/dBm	占比
(-∞,-150)	0.00%
[-150,-105)	4.07%
[-105,-95)	11.50%
[-95,-85)	21.27%
[-85,-75)	24.83%
[-75,-65)	23.68%
[-65,＋∞)	14.65%

SS-RSRP分布区间/dBm	占比
(-∞,-150)	1.67%
[-150,-105)	37.10%
[-105,-95)	15.37%
[-95,-85 )	30.60 %
[-85,-75)	15.26%
[-75,-65 )	0.00 %
[-65,＋∞)	0.00%

Research on simulation of 5G indoor distribution system based on ray tracing propagation model

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