Channel Equalization and Interference Analysis for Uplink Narrowband Internet of Things (NB-IoT)

被引：38
|
作者：
Zhang, Lei [1 ,2 ,3 ]
Ijaz, Ayesha [1 ,2 ]
Xiao, Pei [1 ,2 ]
Tafazolli, Rahim [1 ,2 ]
机构：
[1] Univ Surrey, Innovat Ctr 5G, Guildford GU2 7XH, Surrey, England
[2] Univ Surrey, Inst Commun Syst, Guildford GU2 7XH, Surrey, England
[3] Univ Glasgow, Sch Engn, Glasgow G12 8QQ, Lanark, Scotland
来源：
IEEE COMMUNICATIONS LETTERS | 2017年 / 21卷 / 10期
关键词：
Narrowband Internet of Things; network slicing; channel equalization; multi-/mixed numerology;
D O I：
10.1109/LCOMM.2017.2705710
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
We derive the uplink system model for In-band and Guard-band narrowband Internet of Things (NB-IoT). The results reveal that the actual channel frequency response (CFR) is not a simple Fourier transform of the channel impulse response, due to sampling rate mismatch between the NB-IoT user and long term evolution (LTE) base station. Consequently, a new channel equalization algorithm is proposed based on the derived effective CFR. In addition, the interference is derived analytically to facilitate the co-existence of NB-IoT and LTE signals. This letter provides an example and guidance to support network slicing and service multiplexing in the physical layer.
引用
收藏
页码：2206 / 2209
页数：4
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