5G基站辐射安全与网络规划研究

doi:10.11959/j.issn.1000-0801.2021196

Abstract

Abstract:

With the rapid development of 5G network, the radiation safety of base stations is a hot issue of public concern.As 5G has the characteristics of high frequency band and large bandwidth, ultra-dense heterogeneous network applications are becoming more common.The impact of electromagnetic radiation from typical 5G base stations on the human body was analyzed, and the safety distances of base stations with different powers were calculated in detail.Based on various common 5G base station equipment forms such as outdoor macro stations, outdoor pole stations, telephone booth base stations, and indoor micro stations, the safe area of different scenarios was analyzed and theoretically calculated.The results were verified based on field test and specific networking planning recommendations were proposed.

Key words: 5G, electromagnetic radiation, base station, network planning

CLC Number:

TN929.5

Hao XU, Hongyi CAO. Research on 5G base station radiation safety and corresponding network planning[J]. Telecommunications Science, 2021, 37(9): 159-167.

Figures/Tables 21

References 7

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设备类型典型发射功率	典型天线增益	典型部署场景	设备与公众距离
AAU100～200 W	22～25 dBi	室外宏基站	一般100～500 m
RRU80～200 W	15～17 dBi	室外高杆站（电线杆）	一般20～200 m
小型RRU20～80 W	约11 dBi	低矮杆站（路灯杆）、路边站（电话亭等）	一般5～100 m
pRRU0.5～2 W	约5 dBi	室内分布	一般2～20 m

频率范围	电场强度E/(V.m^-1)	等效平面波功率密度S_eq/(W.m^-2)
30～3 000 MHz	12	0.4
3 000～15 000 MHz	0.22f^1/2	f/7 500
注：1.频率 f 的单位为所在行中第一栏的单位。
2.0.1 MHz～300 GHz 频率，场量参数是任意连续6 min内的方均根值。

运营商	频段/MHz	带宽/MHz	功率密度限值/(W.m^-2)	电场强度限值/(V.m^-1)
中国移动	2 515～2 675	160	0.4	12
	4 800～4 900	100	0.64	15.242
中国电信	3 400～3 500	100	0.453	12.82
中国联通	3 500～3 600	100	0.467	13.015
中国广电	703～743/758～798	40×2	0.4	12
中国电信、中国联通共建共享	3 300～3 400	100	0.44	12.638

	发射功率/W		0.5	1	1.5	2
无吊顶阻挡		安全距离/m	0.434	0.614	0.753	0.869
		最低安装高度/m	2.134	2.314	2.453	2.569
有吊顶阻挡		安全距离/m	0.217	0.307	0.376	0.434
		最低安装高度/m	1.917	2.007	2.076	2.134

地面与天线水平距离（天线正对方向）	约5 m	约10 m	约15 m
功率密度/(W.m^-2) 　　　　　实测值	0.085	0.061	0.007

Research on 5G base station radiation safety and corresponding network planning

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与天线水平距离（天线正对方向）	约4 m	约6 m	约8 m	约10 m	约12 m
功率密度/(W.m^-2)　　　　　　实测值	0.123	0.078	0.033	0.011	0.008

与天线水平距离（天线正对方向）		电话亭内	距电话亭约1 m	距电话亭约2 m	距电话亭约4 m
功率密度/(W.m^-2)	理论值	/	5.61	1.4	0.35
	-5 dB理论值	/	1.86	0.46	0.20
	实测值	0.067 4	1.486	0.25	0.10

与天线水平距离（天线正对方向）		电话亭内	距电话亭0.5 m	距电话亭1 m	距电话亭约2 m	距电话亭约4 m
功率密度/(W.m^-2)	发射功率4 W	0.028	0.020	0.255	0.073	0.016
	发射功率8 W	0.067	0.088	0.386	0.116	0.032
	发射功率40 W	0.166	0.174	2.549	0.753	0.203

		2W		1W
		设备正下方约0.4 m	设备正下方约0.7 m	设备正下方约0.4 m	设备正下方约0.7 m
功率密度/(W.m^-2)	无吊顶	0.702	0.406	0.351	0.224
	有吊顶	0.244	0.150	0.146	0.089

		2W		1W
		距设备约15 m	距设备约30 m	距设备约15 m	距设备约30 m
无吊顶	RSRP	-75.2	-80.3	-79.7	-82.8
	SINR	15.2	12.4	18.2	12.1
有吊顶	RSRP	-80.5	-87.1	-91.2	-97.6
	SINR	13.2	11.9	17.0	11.6

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