A Novel Link Adaptation Method for NB-IoT Downlink Control Channel

被引：0
|
作者：
Altin, Iike [1 ,2 ]
Bilican, Emre [1 ]
Celikel, Oguz [1 ]
Coskun, Yagmur [1 ]
机构：
[1] ULAK Commun Inc, Istanbul, Turkey
[2] Bogazici Univ, Elect & Elect Engn, Bebek, Turkey
来源：
2020 IEEE INTERNATIONAL BLACK SEA CONFERENCE ON COMMUNICATIONS AND NETWORKING (BLACKSEACOM) | 2020年
关键词：
NB-IoT; LTE; Link Adaptation; NPDCCH; Repetition;
D O I：
10.1109/blackseacom48709.2020.9234961
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Resource utilization is of high importance in Narrow-band Internet of Things (NB-IoT) due to the large number of users. In this paper, a novel link adaptation method for the downlink control channel (NPDCCH) is proposed. We show that the NPDCCH resource utilization is improved significantly by the proposed link adaptation method compared to the standard system with no link adaptation, while satisfying the required NPDCCH decoding rates in the specifications. The proposed algorithm has very low complexity, and uses the NPDCCH decoding success ratio of the uplink channel which is already calculated in the system.
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页数：5
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