Skip to main content

Lund University Publications

LUND UNIVERSITY LIBRARIES

Wireless channel dynamics for relay selection under ultra-reliable low-latency communication

Rigge, Paul ; Swamy, Vasuki Narasimha ; Nelson, Christian LU orcid ; Tufvesson, Fredrik LU orcid ; Sahai, Anant and Nikolic, Borivoje (2020) 31st IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2020 In IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2020-August.
Abstract

Ultra-reliable, low-latency communication (URLLC) is being developed to support critical control applications over wireless networks. Exploiting spatial diversity through relays is a promising technique for achieving the stringent requirements of URLLC, but coordinating relays reliably and with low overhead is a challenge. Adaptive relay selection techniques have been proposed as a way to simplify implementation while still achieving the requirements of URLLC. Identifying good relays with low overhead and high confidence is critical for such adaptive relay selection techniques.Channel dynamics must be taken into account by adaptive relay selection algorithms because channel quality may degrade in the time it takes to estimate the... (More)

Ultra-reliable, low-latency communication (URLLC) is being developed to support critical control applications over wireless networks. Exploiting spatial diversity through relays is a promising technique for achieving the stringent requirements of URLLC, but coordinating relays reliably and with low overhead is a challenge. Adaptive relay selection techniques have been proposed as a way to simplify implementation while still achieving the requirements of URLLC. Identifying good relays with low overhead and high confidence is critical for such adaptive relay selection techniques.Channel dynamics must be taken into account by adaptive relay selection algorithms because channel quality may degrade in the time it takes to estimate the relay's channel and schedule a transmission. Spatial channel dynamics are well studied in many settings such as RADAR and the fast-fading wireless channels, but less so in the URLLC context where rare events neglected in other models may be important. In this work, we perform measurements to validate channel models in the slow fading regime of interest. We compare measurements to Jakes's model and discuss the appropriateness of Jakes's model for URLLC relay selection. This is further applied to demonstrate that easily implementable relay selection techniques perform well in practical settings.Polynomial interpolation and neural-net-based algorithms were evaluated as channel prediction algorithms. These techniques perform orders of magnitude better than relay selection on average (nominal) SNR.

(Less)
Please use this url to cite or link to this publication:
author
; ; ; ; and
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
host publication
2020 IEEE 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2020
series title
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
volume
2020-August
article number
9217210
publisher
IEEE - Institute of Electrical and Electronics Engineers Inc.
conference name
31st IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2020
conference location
Virtual, London, United Kingdom
conference dates
2020-08-31 - 2020-09-03
external identifiers
  • scopus:85094135084
ISBN
9781728144900
DOI
10.1109/PIMRC48278.2020.9217210
project
Link Modelling for Cooperative Transport Solutions
language
English
LU publication?
yes
id
c3aa0a71-81e8-43a5-a2d4-5a94460896b0
date added to LUP
2020-11-10 12:15:28
date last changed
2024-01-10 10:31:58
@inproceedings{c3aa0a71-81e8-43a5-a2d4-5a94460896b0,
  abstract     = {{<p>Ultra-reliable, low-latency communication (URLLC) is being developed to support critical control applications over wireless networks. Exploiting spatial diversity through relays is a promising technique for achieving the stringent requirements of URLLC, but coordinating relays reliably and with low overhead is a challenge. Adaptive relay selection techniques have been proposed as a way to simplify implementation while still achieving the requirements of URLLC. Identifying good relays with low overhead and high confidence is critical for such adaptive relay selection techniques.Channel dynamics must be taken into account by adaptive relay selection algorithms because channel quality may degrade in the time it takes to estimate the relay's channel and schedule a transmission. Spatial channel dynamics are well studied in many settings such as RADAR and the fast-fading wireless channels, but less so in the URLLC context where rare events neglected in other models may be important. In this work, we perform measurements to validate channel models in the slow fading regime of interest. We compare measurements to Jakes's model and discuss the appropriateness of Jakes's model for URLLC relay selection. This is further applied to demonstrate that easily implementable relay selection techniques perform well in practical settings.Polynomial interpolation and neural-net-based algorithms were evaluated as channel prediction algorithms. These techniques perform orders of magnitude better than relay selection on average (nominal) SNR.</p>}},
  author       = {{Rigge, Paul and Swamy, Vasuki Narasimha and Nelson, Christian and Tufvesson, Fredrik and Sahai, Anant and Nikolic, Borivoje}},
  booktitle    = {{2020 IEEE 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2020}},
  isbn         = {{9781728144900}},
  language     = {{eng}},
  publisher    = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}},
  series       = {{IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC}},
  title        = {{Wireless channel dynamics for relay selection under ultra-reliable low-latency communication}},
  url          = {{https://lup.lub.lu.se/search/files/168734673/Wireless_Channel_Dynamics_for_Relay_Selection_under_Ultra-Reliable_Low-Latency_Communication.pdf}},
  doi          = {{10.1109/PIMRC48278.2020.9217210}},
  volume       = {{2020-August}},
  year         = {{2020}},
}