Link Adaptation Algorithm for Optimal Modulation and Coding Selection in 5G and Beyond Systems

Link adaptation is fundamental in managing spectrum resources efficiently and is proven to be fundamental in the overall system operation and performance boost. The aim of this paper is to propose and characterize a novel algorithm based on the proportional-integral-derivative (PID) controller princ...

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Vydané v:IEEE International Conference on Communications (2003) s. 5279 - 5284
Hlavní autori: Nicolini, Andrea, Icolari, Vincenzo, Dardari, Davide
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: IEEE 28.05.2023
Predmet:
5G base stations
5G mobile communication
BLER
Downlink
Heuristic algorithms
Link adaptation
MCS
Modulation
PID controller
Spectral efficiency
Systems operation
Throughput
ISSN:1938-1883
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Abstract Link adaptation is fundamental in managing spectrum resources efficiently and is proven to be fundamental in the overall system operation and performance boost. The aim of this paper is to propose and characterize a novel algorithm based on the proportional-integral-derivative (PID) controller principles and block error rate (BLER) target for modulation and coding scheme (MCS) selection applied to the latest mobile telecommunication standards. Tests were conducted in a laboratory-level 5G system where, by means of a channel emulator, downlink performance for a hotspot-like scenario is evaluated. We show how the proposed PID link adaptation algorithm reacts to the downlink channel variations, and hence ensures convergence to the target BLER and boosts the system throughput, in comparison with traditional MCS selection and reference adaptation algorithms.
AbstractList Link adaptation is fundamental in managing spectrum resources efficiently and is proven to be fundamental in the overall system operation and performance boost. The aim of this paper is to propose and characterize a novel algorithm based on the proportional-integral-derivative (PID) controller principles and block error rate (BLER) target for modulation and coding scheme (MCS) selection applied to the latest mobile telecommunication standards. Tests were conducted in a laboratory-level 5G system where, by means of a channel emulator, downlink performance for a hotspot-like scenario is evaluated. We show how the proposed PID link adaptation algorithm reacts to the downlink channel variations, and hence ensures convergence to the target BLER and boosts the system throughput, in comparison with traditional MCS selection and reference adaptation algorithms.
Author Dardari, Davide
Nicolini, Andrea
Icolari, Vincenzo
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  givenname: Andrea
  surname: Nicolini
  fullname: Nicolini, Andrea
  email: anicolini@jmawireless.com
  organization: JMA Italia - TEKO TELECOM S.R.L. a socio unico,Italy
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  givenname: Vincenzo
  surname: Icolari
  fullname: Icolari, Vincenzo
  email: vicolari@jmawireless.com
  organization: JMA Italia - TEKO TELECOM S.R.L. a socio unico,Italy
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  givenname: Davide
  surname: Dardari
  fullname: Dardari, Davide
  email: davide.dardari@unibo.it
  organization: University of Bologna,DEI-CNIT,Italy
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Snippet Link adaptation is fundamental in managing spectrum resources efficiently and is proven to be fundamental in the overall system operation and performance...
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SubjectTerms 5G base stations
5G mobile communication
BLER
Downlink
Heuristic algorithms
Link adaptation
MCS
Modulation
PID controller
Spectral efficiency
Systems operation
Throughput
Title Link Adaptation Algorithm for Optimal Modulation and Coding Selection in 5G and Beyond Systems
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