Frequency resource management based on model predictive control for satellite communications system

Yuma Abe, Hiroyuki Tsuji, Amane Miura, Shuichi Adachi

Research output: Contribution to journalArticle

Abstract

We propose an approach to allocate bandwidth for a satellite communications (SATCOM) system that includes the recent highthroughput satellite (HTS) with frequency flexibility. To efficiently operate the system, we manage the limited bandwidth resources available for SATCOM by employing a control method that allows the allocated bandwidths to exceed the communication demand of user terminals per HTS beam. To this end, we consider bandwidth allocation for SATCOM as an optimal control problem. Then, assuming that the model of communication requests is available, we propose an optimal control method by combining model predictive control and sparse optimization. The resulting control method enables the efficient use of the limited bandwidth and reduces the bandwidth loss and number of control actions for the HTS compared to a setup with conventional frequency allocation and no frequency flexibility. Furthermore, the proposed method allows to allocate bandwidth depending on various control objectives and beam priorities by tuning the corresponding weighting matrices. These findings were verified through numerical simulations by using a simple time variation model of the communication requests and predicted aircraft communication demand obtained from the analysis of actual flight tracking data.

Original languageEnglish
Pages (from-to)2434-2445
Number of pages12
JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
VolumeE101A
Issue number12
DOIs
Publication statusPublished - 2018 Dec 1

Fingerprint

Satellite Communication
Satellite communication systems
Model predictive control
Model Predictive Control
Resource Management
Communication Systems
Bandwidth
High Throughput
Frequency allocation
Communication satellites
Satellites
Communication
Aircraft communication
Flexibility
Bandwidth Allocation
Weighting
Aircraft
Optimal Control Problem
Tuning
Exceed

Keywords

  • Frequency resource management
  • Model predictive control
  • Satellite communications
  • Sparse optimization

ASJC Scopus subject areas

  • Signal Processing
  • Computer Graphics and Computer-Aided Design
  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

Frequency resource management based on model predictive control for satellite communications system. / Abe, Yuma; Tsuji, Hiroyuki; Miura, Amane; Adachi, Shuichi.

In: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E101A, No. 12, 01.12.2018, p. 2434-2445.

Research output: Contribution to journalArticle

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