一种降低城区网格道路5G重叠覆盖率的新方法

doi:10.11959/j.issn.1000-0801.2024011

Abstract

Abstract:

The 5G network for urban grid road scenes has entered a new stage of refined operation and maintenance.The main contradiction has also shifted from insufficient coverage to severe overlapping coverage of some road sections.5G overlapping coverage will have a significant impact on users’ basic services such as internet access and voice.The optimization of traditional road overlapping coverage has many problems, such as inconsistent standards, recurring problems, and low work efficiency.The concept of overlapping coverage contribution was proposed, and an algorithm for root cause analysis of overlapping coverage was designed based on expert experience.An IT platform for optimizing overlapping coverage problems was also developed.The practice has proven that this method can effectively reduce the 5G overlapping coverage rate of urban grid roads, help enterprises save network optimization costs, and truly achieve the goal of cost reduction and efficiency increase.

Key words: urban grid road, 5G network, overlapping coverage, overlapping coverage degree, customer perception, interference model

CLC Number:

TN929.5

Yejiang ZHANG, Jie CHEN, Yi LIU, Xingzheng LI, Fuyang LI, Jian HU. A new method for reducing 5G overlapping coverage of urban grid roads[J]. Telecommunications Science, 2024, 40(1): 83-91.

Figures/Tables 8

References 16

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重叠覆盖度	SINR/dB	5G下载平均速率/(Mbit·s^-1)	5G下载平均速率劣化比例	5G上传平均速率/(Mbit·s^-1)	5G上传平均速率劣化比例	VoNR语音丢包率	VoNR语音丢包率劣化比例
0	22.17	513.04	0	102.76	0	0.96%	0
1	19.33	394.70	23.07%	92.25	10.22%	1.29%	34.30%
2	10.3	350.34	31.71%	84.75	17.52%	1.19%	24.05%
3	6.39	328.32	36.01%	79.73	22.41%	1.49%	55.65%
4	4.24	297.68	41.98%	74.93	27.08%	1.59%	66.32%
5	2.34	275.05	46.39%	68.11	33.72%	1.87%	95.15%
6	0.74	259.11	49.50%	60.90	40.74%	1.84%	92.05%
7	-0.44	239.00	53.41%	53.56	47.87%	1.37%	43.30%
8	-1.81	208.37	59.39%	46.44	54.80%	2.23%	132.20%
＞8	-3.16	185.72	63.80%	40.00	61.07%	2.02%	110.32%

指标名称	来源
重叠覆盖样本点经度	路测数据
重叠覆盖样本点纬度	路测数据
小区RSRP	路测数据
小区PCI	路测数据
小区ARFCN	路测数据
小区名称	路测数据
小区CGI	路测数据
小区天线挂高	根据CGI查工参
小区方位角	根据CGI查工参
小区下倾角	根据CGI查工参
小区发射功率	根据CGI查后台网管系统
小区天线权值-下倾角	根据CGI查后台网管系统
小区天线权值-方位角	根据CGI查后台网管系统
小区天线权值-水平波瓣宽度	根据CGI查后台网管系统
问题路段中心经度、纬度与小区天线夹角	通过计算得到
问题路段中心经度、纬度与小区物理距离	通过计算得到

评价维度	优化工单/张	优化费用/万元	5G重叠覆盖率	5G SINR/dB	5G下载速率/（Mbit·s^-1）	5G上传速率/（Mbit·s^-1）	VoNR语音丢包率
实施前	5 907	177.21	7.47%	12.17	473.39	77.49	1.31%
实施后	2 055	61.65	3.56%	17.83	617.53	108.93	0.43%
改善值	3 852	115.56	3.91%	5.66	144.14	31.44	0.88%

A new method for reducing 5G overlapping coverage of urban grid roads

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