Positioning for the Internet of Things: A 3GPP Perspective

被引：78
|
作者：
Lin, Xingqin [1 ]
Bergman, Johan [1 ]
Gunnarsson, Fredrik [1 ]
Liberg, Olof [1 ]
Razavi, Sara Modarres [1 ]
Razaghi, Hazhir Shokri [1 ]
Rydn, Henrik [1 ]
Sui, Yutao [1 ]
机构：
[1] Ericsson, Stockholm, Sweden
来源：
IEEE COMMUNICATIONS MAGAZINE | 2017年 / 55卷 / 12期
关键词：
MACHINE;
D O I：
10.1109/MCOM.2017.1700269
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Many use cases in the Internet of Things (IoT) will require or benefit from location information, making positioning a vital dimension of the IoT. The 3GPP has dedicated a significant effort during its Release 14 to enhance positioning support for its IoT technologies to further improve the 3GPP-based IoT eco-system. In this article, we identify the design challenges of positioning support in LTE-M and NB-IoT, and overview the 3GPP's work in enhancing the positioning support for LTE-M and NB-IoT. We focus on OTDOA, which is a downlink based positioning method. We provide an overview of the OTDOA architecture and protocols, summarize the designs of OTDOA positioning reference signals, and present simulation results to illustrate the positioning performance.
引用
收藏
页码：179 / 185
页数：7
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