基于大阵列天线的IMT-2020基站与DAB地球站的共存仿真方法

doi:10.11959/j.issn.1000-0801.2018009

Abstract

Abstract:

The array antenna model and its parameters in ITU-R REC M.2101 were introduced in detail,and the model would be implemented in IMT deployment scenario modeling.Based on the lumped interference assessment method,the interference of the large-scale base station deployment to the central earth station at different distances was simulated,and the distance was protected by comparing the interference threshold.The research results can provide reference for future IMT system design and deployment,5G or related frequency planning.

Key words: interference analysis, 5G, array antenna, earth station, 1.4 GHz

CLC Number:

TN929.5

Tianqi HE,Tan WANG,Zhaojun QIAN,Peng LIU. A simulation method for compatibility between IMT-2020 base station with array antenna and DAB earth station[J]. Telecommunications Science, 2018, 34(2): 145-152.

Figures/Tables 11

References 15

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	我国部分无线电频率划分		ITU 3区无线电频率划分
中国内地	中国香港	中国澳门	ITU 3区无线电频率划分
1 452～1 467 MHz	1 466～1 480 MHz	1 452～1 492 MHz	1 452～1 492 MHz
固定	广播	固定	固定
移动	移动	移动	移动
广播		广播	广播
卫星广播		卫星广播	卫星广播
1 467～1 492 MHz	1 480～1 518 MHz
固定	固定
移动
卫星广播

场景类型		乡村
工作频段/MHz		1 479.5
基站特性	小区半径/km	5
	天线高度/m	30
	分区类型	单扇区
	天线物理下倾角	10°
	发射功率	43 dBm/5 MHz
基站天线属性	天线模型	见式（1）～式（6）
	天线规格（N_V×N_H）	8×8
	G_E,max/dBi	5
	φ_{3 dB}/θ_{3 dB}	65o
	A_m/SLA_V/dB	30
	d	0.5 λ
	馈线损耗/dB	3
用户特性	天线高度/m	1.5

参数	取值
工作频段/MHz	1 479.5
天线高度/m	5

配置参数	取值
路径损耗模型	P.1546
路径类型	陆地
工作频率/MHz	1 479.5
时间概率	1%、10%、20%、50%
区域概率	50%
发射端天线高度/m	30
发射端杂散高度/m	10
接收端天线高度/m	5
接收端杂散高度/m	2

A simulation method for compatibility between IMT-2020 base station with array antenna and DAB earth station

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