LTE FDD网络规划原则及部署策略

doi:10.11959/j.issn.1000-0801.2015368

Telecommunications Science ›› 2015, Vol. 31 ›› Issue (Z1): 11-16.doi: 10.11959/j.issn.1000-0801.2015368

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LTE FDD network planning principles and deployment strategies

Ritao CHENG,UDeping X,HANGYanyan Z

China Mobile Group Design Institute Co.,Ltd.,Beijing 100080,China

Online:2015-12-20 Published:2017-07-03

Abstract

Abstract:

At first,the LTE FDD network coverage,capacity and service support capabilities were analyzed,then the main problems facing the development of LTE FDD and deployment strategies were analyzed deeply,and specific suggestions for the current development of CMCC 4G network were put forward,the LTE FDD deployment of next step work was prospected.

Key words: LTE FDD, depth coverage, interoperability, carrier aggregation, load balance

Ritao CHENG,UDeping X,HANGYanyan Z. LTE FDD network planning principles and deployment strategies[J]. Telecommunications Science, 2015, 31(Z1): 11-16.

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系统	总带宽/MHz	（Mbit·s^-1）下行峰值速率/	上行峰值速率/（Mbit·s^-1）
TD-LTE 20 MHz	20	111.9	15.1

项目	2×5 MHz组网	2×10 MHz及以上带宽组网	备注
下行边缘速率/（Mbit·s^-1）	0.512	1	使用50%PRB资源，邻区50%负荷
目标1：上行边缘速率/（Mbit·s^-1）	0.128	0.128	邻区50%负荷
目标2：上行边缘速率/（Mbit·s^-1）	0.256	0.256	邻区50%负荷

场景类型	场景	穿透损耗	覆盖指标（一类场景覆盖概率95%，二类场景覆盖概率90%）
			RSRP/dBm		RS-SINR/dB	用户下行边缘速率/上行边缘速率（50%网络负荷）/（Mbit·s^-1）
			900 MHz（2×5 MHz）	1 800 MHz（2×10 MHz）	RS-SINR/dB	900 MHz（2×5 MHz）	1 800 MHz（2×10 MHz）
一类场景	主城区	高	≥-91	≥-95	≥-3	0.512/0.128	1/0.128
		低	≥-94	≥-98	≥-3	0.512/0.128	1/0.128
	一般城区		≥-94	≥-98	≥-3	0.512/0.128	1/0.128
	县城及乡镇		≥-96	≥-100	≥-3	0.512/0.128	1/0.128
二类场景	热点农村	高	≥-98	≥-102	≥-3	0.512/0.128	1/0.128
		低	≥-100	≥-104	≥-3	0.512/0.128	1/0.128
特殊场景	高铁（车内指标）		≥-108	≥-108	≥-3	0.512/0.128	1/0.128

年度	上下行	VoLTE速率/（kbit·s^-1）	VoLTE渗透率	MOU/min	DOU/GB	流量占比
2016年	下行	25	30%	400	0.86	3%
	上行	25	30%	400	0.14	16%
	合计	50	30%	400	1	5%
2017年	下行	25	60%	350	1.29	3%
	上行	25	60%	350	0.21	18%
	合计	50	60%	350	1.5	5%

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LTE FDD network planning principles and deployment strategies

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