基于高斯分布的基站天线最佳方向角定位算法

doi:10.11959/j.issn.1000-0801.2018212

Abstract

Abstract:

In order to improve the accuracy and efficiency of the discovery of the antenna-feeder problem,an optimal direction angle solution based on Gaussian distribution was proposed to diagnose the antenna-feeder coverage problems of operators.First of all,the location direction information between each MR sampling point reported by the UE and the base station was calculated,and then the proportion of MR sampling points in each interval was calculated,Based on the Gaussian distribution feature,the angle range with the largest proportion of MR sampling points was the appropriate azimuth,which was based on the user hotspot distribution of the sector.Finally,the date of optimal azimuth was compared with the base station azimuth in the background antenna database to detect antenna feeder problems,such as cross feeder,improper antenna coverage direction and incorrect background antenna database,and so on.The field verification shows that,the cost,accuracy and efficiency of the antenna-feeder problems are obviously improved compared with the existing methods.

Key words: Gaussian distribution, MR, antenna, azimuth, positioning algorithm

Songbai LIANG,Feng CHEN,Haiping SONG,Wensheng LI. Optimal azimuth positioning algorithm for base station antenna based on Gaussian distribution[J]. Telecommunications Science, 2018, 34(7): 128-134.

Figures/Tables 12

References 16

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MR样本号	小区标识	电平值/dBm	载干比/dB	经度	纬度
1	303998	-78	-8.5	112.601 6°	35.091 82°
2	303998	-104	-8.5	112.603 7°	35.091 27°

MR样本号	小区标识	电平值/dBm	载干比/dB	经度	纬度
1	303998	-78	-8.5	112.601 6°	35.091 82°
2	303998	-104	-8.5	112.603 7°	35.091 27°

基站名称	扇区名称	MR 采样点总数	基础数据库天线方向角	最佳方向角	0°～60°内MR占比	10°～70°内MR占比	20°～80°内MR占比	···	350°～50°内MR占比
···	···	···	···	···	···	···	···	···	···

基站名称	扇区标识	小区标识	小区名称	小区经度	小区纬度	最佳方向角	数据库方向角
黔川路新建街W	1	11351	'LYWZ06ED_0'	112.372 16°	34.655 538°	123°	40°

后台基站天线方向角	算法输出结论	最佳方向角	现场核查结果
30°/150°/270°	怀疑第一扇区、第三扇区接反	270°/150°/30°	该站点第一、第三扇区接反

Optimal azimuth positioning algorithm for base station antenna based on Gaussian distribution

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日期	小区名称	LTE业务掉话率	业务量/GB	执行CSFB的次数/次	平均用户数	最大用户数	备注
2017/6/15	LYFHO16B8_0	0.24%	0.29	51	0.33	5	调整前
2017/6/16	LYFHO16B8_0	0.17%	0.15	70	0.34	5	调整前
2017/6/17	LYFHO16B8_0	0.00%	0.34	59	0.56	8	调整前
2017/6/18	LYFHO16B8_0	0.09%	0.5	93	0.49	6	调整前
2017/6/19	LYFHO16B8_0	0.06%	0.5	92	0.59	6	调整前
2017/6/20	LYFHO16B8_0	0.37%	0.61	104	0.43	4	调整前
2017/6/21	LYFHO16B8_0	0.03%	1.41	80	1.13	9	调整后
2017/6/22	LYFHO16B8_0	0.09%	2.09	138	1.66	10	调整后
2017/6/23	LYFHO16B8_0	0.05%	2.1	234	2.11	11	调整后
2017/6/24	LYFHO16B8_0	0.19%	2.07	172	2	10	调整后
2017/6/25	LYFHO16B8_0	0.12%	2.78	121	2.8	10	调整后

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