TD-LTE室内覆盖增强的灵活手段：中继

doi:10.3969/j.issn.1000-0801.2013.05.010

Abstract

Abstract:

TD-LTE will be deployed on high frequency band，facing with the issue of larger propagation loss and penetration loss，which brings a big challenge to future indoor deep coverage. Based on clarifying the requirement of TD-LTE outdoor to indoor deployment，and also combined with the field trial in the real network，the performance of indoor coverage enhancement using relay was analyzed. Test results show that deploying relay outside buildings and enhancing the deep coverage from outdoor to indoor is a fast，flexible and low cost solution for the buildings without the wired backhau1.

Key words: TD-LTE, indoor coverage, deep coverage, relay

Jianjun Liu,Xiaodong Shen,Zhenping Hu,Yu Qian,Zhiheng Guo. A Flexible Solution for TD-LTE Indoor Coverage Enhancement：Relay[J]. Telecommunications Science, 2013, 29(5): 57-62.

系统参数	参数配置
系统参数	施主宏基站	中继
发射功率	40 W	5W
站高	30 m	6m
下倾角	10°物理倾角，4 °电调倾角	N/A
天线类型	8天线端口，海天，90°半功率带宽（HPBW）	2 天线端口，Kathrein 80010677，90°HPBW，交叉极化
	其他配置
载波频率	2.6 GHz
带宽	20 MHz
上下行配比	2：2（DSUUDDSUUD）
测试终端	Aeroflex TM500

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A Flexible Solution for TD-LTE Indoor Coverage Enhancement：Relay

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1	Cisco. Cisco Visual Networking Index：Global Mobile Data Traffic Forecast Update， White Paper，2012-2017， Feb 2013
2	3GPP TS 36.216 V11.0.0. Physical Layer for Relaying Operation （Release 11）， Sep 2012
3	Gan J ， Guo Z ， Fan R ， et al. LTE in-band relay prototype and field measurement. Proceedings of IEEE VTC 2012 Spring， Yokohama，Japan， May 2012