A novel LTE indoor location system based on multiple antenna clusters

Yajuan LV; Shan LIU; Rongyi HU; Wenhao ZHANG

doi:10.11959/j.issn.1000-0801.2017037

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A novel LTE indoor location system based on multiple antenna clusters

research and development | 更新时间：2024-06-05

- A novel LTE indoor location system based on multiple antenna clusters
- Telecommunications Science Vol. 33, Issue 3, Pages: 67-75(2017)
- 作者机构：
  
  1. 吉林医药学院计算机系，吉林长春132013
  2. 中国联合网络通信有限公司网络技术研究院，北京100084
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2017037
  CLC： TN929.5
- Published Online：2017-03，
  
  Published：20 March 2017
- 稿件说明：
移动端阅览
Yajuan LV, Shan LIU, Rongyi HU, et al. A novel LTE indoor location system based on multiple antenna clusters[J]. Telecommunications science, 2017, 33(3): 67-75.
DOI：

Yajuan LV, Shan LIU, Rongyi HU, et al. A novel LTE indoor location system based on multiple antenna clusters[J]. Telecommunications science, 2017, 33(3): 67-75. DOI： 10.11959/j.issn.1000-0801.2017037.

摘要

随着移动互联网业务的迅速发展，位置服务需求越来越多样化，定位技术也变得越来越重要。LTE （long term evolution）室内蜂窝网络可以解决GPS（global positioning system）信号无法进入室内的问题，从而提供高精度的位置服务。LTE室内定位需要不同基站之间进行精确同步，这给室内网络部署带来了新的挑战。针对上述问题，提出了一种基于多天线簇的LTE新型无线定位系统，通过上行探测参考信号（sounding reference signal

SRS）获取信号到达时间差（time difference of arrival

TDOA）。该方法不需要簇间同步，可有效降低网络部署难度。其次，针对此系统设计了一种新的TDOA定位算法，可支持灵活的天线簇配置。最后，通过仿真及实验验证了该定位系统及算法的有效性，实验结果表明可实现米级室内定位精度。

Abstract

With the rapid development of mobile internet services

demands of location service are becoming more diversified

then the location technologies become the key to satisfy the requirements. Long term evolution (LTE) indoor networks can solve the problem that GPS (global positioning system) signal can't arrive in indoor and provide high precision location service. However

LTE indoor location system need high precision synchronization among different base stations

and this is a new challenge for indoor network deployment. To solve the problem

a new LTE wireless location system based on multiple antenna clusters was proposed. The system could get TDOA(time difference of arrival) through uplink SRS (sounding reference signal) and it didn't need synchronization between different clusters which reduced the difficulty of network deployment. Then

a new location algorithm was designed which could support flexible antenna configuration. Finally

simulations and experimental measurements were given to verify the efficiency of the system and algorithm. Results show that meter indoor location accuracy can be realized.

关键词

Keywords

references

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