Asymmetric ACK/NACK Detection for Ultra-Reliable Low-Latency Communications

被引：0

作者：

Shariatmadari, Hamidreza ^{[1
]}

Duan, Ruifeng ^{[1
]}

Iraji, Sassan ^{[2
,4
]}

Jantti, Riku ^{[1
]}

Li, Zexian ^{[3
]}

Uusitalo, Mikko A. ^{[3
]}

机构：

[1] Aalto Univ, Dept Commun & Networking, Espoo, Finland

[2] Intel Deutschland GmbH, Santa Clara, CA USA

[3] Nokia Bell Labs, Murray Hill, NJ USA

[4] Aalto Univ, Espoo, Finland

来源：

2018 EUROPEAN CONFERENCE ON NETWORKS AND COMMUNICATIONS (EUCNC) | 2018年

关键词：

5G; control channel; feedback; M2M; MTC; resource allocations; ultra-reliable low-latency communications; DESIGN;

D O I：

暂无

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：

The fifth generation wireless systems are expected to encounter new services in order to provide connectivity for a wide range of applications. One of the considered services is ultra-reliable low-latency communications (URLLC), which has stringent requirements on availability, reliability, and latency. The communication efficiency of URLLC can be improved by employing error control protocols, such as automatic repeat request (ARQ) and hybrid ARQ (HARQ). However, this requires a reliable feedback channel to carry acknowledgement (ACK) and negative ACK (NACK) signals. Improving the detection reliability of ACK and NACK signals simultaneously entails allocating more resources for the feedback channel. Instead, we propose employing an asymmetric signal detection to provide a better protection for NACK signals compared to the ACK signals, without assigning more resources to the feedback channel. The simulation results show that the asymmetric signal detection can achieve a better resource utilization for URLLC.

引用

页码：162 / 166

页数：5

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