26 GHz室外微蜂窝毫米波信道测量与建模研究

doi:10.11959/j.issn.1000-436x.2017171

Abstract

Abstract:

Based on the outdoor microce11 measurement campaign at 26 GHz，the path-1oss mode1，shadow fading and other 1arge sca1e parameters（LSPs）in mm-wave band were studied.An optimized c1ustering a1gorithm and Ricean K-factor extraction method was proposed.Differences between parametric and non-parametric mode1ing methodo1ogies，and the impacts on path-1oss and LSPs due to the measurement environments were investigated.The resu1ts show that non-parametric mode1ing method can en1arge the LSPs，especia11y the RMS angu1ar spread.G1ass windows on bui1ding surface and trees have significant effect on LSPs but have 1itt1e effect on path-1oss.The c1uster number has significant reduction at mi11imeter wave band compared to the frequencies be1ow 6 GHz.The channe1 mode1s and parameters deve1oped and extracted in proposed work are usefu1 for the 1ink and system 1eve1 simu1ations as we11 as p1anning of 5G radio systems at 26 GHz.

Key words: mm-wave channe1 mode1ing, microce11 channe1 measurement, path-1oss, c1ustering a1gorithm, Ricean K-factor, parametric mode1ing

CLC Number:

TN928

Shu LI,Xiong-wen ZHAO,Qi WANG,Meng-jun WANG,Shao-hui SUN,Wei HONG. Research on 26 GHz mm-wave channel measurements and modeling for outdoor microcells[J]. Journal on Communications, 2017, 38(8): 131-139.

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References 24

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参数	数值
载频	26 GHz
带宽	1 GHz
码长	4 096 chip
时延分辨率	1 ns
发射/接收大线	全向大线/喇叭大线
发射/接收大线增益	3 dB/24 dB
发射/接收大线高度	6.10 m / 1.85 m

项目	场景	参数	MCD_th-Los=0.12	MCD_th-Los=0.17	MCD_th-Los=0.21	MCD_th-Los=0.25
	场景1（Rx1-1）	μ	8.4	13.9	16.0	18.4
K因子/dB		σ	5.5	6.0	7.0	6.4
K因子/dB	场景2（Rx2-3）	μ	4.3	8.0	10.2	10.7
		σ	3.5	2.4	2.5	2.5
		μ	7.4	7.0	6.7	6.4
	Rx1-1
		σ	4.4	4.5	4.7	4.6
		μ	9.8	9.5	9.0	8.9
	Rx1-2
簇个数		σ	4.9	5.2	5.2	5.1
簇个数
		μ	8.9	8.2	7.7	7.6
	Rx2-3
		σ	3.6	3.4	3.5	3.4
		μ	7.3	6.8	6.5	6.5
	Rx3-4
		σ	3.8	3.6	3.4	3.4

统计特征	参数	本文26 GHz室外微蜂窝				文献[12]28 GHz室外微蜂窝				文献[24]26 GHz in mmMAGIC市区微蜂窝		[1]26 GHz in 3GPP TR 38.900市区微蜂窝
		场景1		场景2		Daojeon		纽约大学校园
		LoS	NLoS	LoS	NLoS	LoS	NLoS	LoS	NLoS	LoS	NLoS	LoS	NLoS
	A	1.94	3.24	1.87	3.42	1.90	3.15	1.81	3.03	1.98	3.48	2.10	3.19
PL/dB	B	32.4	32.4	32.4	32.4	32.4	32.4	32.4	32.4	32.4	21.0	32.4	32.4
	C	20	20	20	20	20	20	20	20	20	23.4	20	20
SF/dB	σ_SF	2.1	4.0	1.6	2.5	0.6	22.1	2.1	18.0	3.1	7.8	4.0	8.2
	μ_DS	-8.32	-7.98	-7.27	-7.00	-7.67	-7.31	-7.05	-6.91	-8.16	-7.41	-7.48	-7.17
lg（DS）	σ_DS	0.42	0.30	0.27	0.28	0.30	0.60	0.44	0.54	0.38	0.36	0.38	0.51
	μ_ASA	0.87	1.09	1.38	1.43	1.23	1.35	1.51	1.48	1.18	1.45	1.62	1.70
lg（ASA）	σ_ASA	0.32	0.49	0.24	0.23	0.34	0.42	0.27	0.43	0.34	0.31	0.30	0.37
	μ_ESA	0.76	0.82	0.81	0.93	0.61	0.59	0.59	0.34	0.66	0.76	0.59	0.86
lg（ESA）	σ_ESA	0.11	0.15	0.10	0.13	0.51	0.40	0.22	0.35	0.4	0.4	0.28	0.31
簇数	N	7	10	9	7	6	6	6	6	6	13	12	19
	μ	8.4	N/A	4.3	N/A	8.54	N/A	6.82	N/A	8.8	N/A	9	N/A
K因子/dB	σ	5.5	N/A	3.5	N/A	6.57	N/A	6.96	N/A	4	N/A	5	N/A

Research on 26 GHz mm-wave channel measurements and modeling for outdoor microcells

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