Joint optimization of communication rates and linear systems

Lin Xiao, Mikael Johansson, Haitham Hindi, Stephen Boyd, Andrea Goldsmith

Research output: Contribution to journalArticlepeer-review

98 Scopus citations

Abstract

We consider a linear control system in which several signals are transmitted over communication channels with bit rate limitations. With the coding and medium access schemes of the communication system fixed, the achievable bit rates are determined by the allocation of communications resources such as transmit powers and bandwidths, to different communication channels. We model the effect of bit rate limited communication channels by uniform quantization and the quantization errors are modeled by additive white noises whose variances depend on the achievable bit rates. We optimize the stationary performance of the linear system by jointly allocating resources in the communication system and tuning parameters of the controller.

Original languageEnglish (US)
Pages (from-to)148-153
Number of pages6
JournalIEEE Transactions on Automatic Control
Volume48
Issue number1
DOIs
StatePublished - Jan 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering

Keywords

  • Communication systems
  • Control over networks
  • Convex optimization
  • Quantization noise
  • Resource allocation

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