Energy-Limited Joint Source-Channel Coding via Analog Pulse Position Modulation

Omri Lev, Anatoly Khina

Research output: Contribution to journalArticlepeer-review

Abstract

We study the problem of transmitting a source sample with minimum distortion over an infinite-bandwidth additive white Gaussian noise channel under an energy constraint. To that end, we construct a joint source-channel coding scheme using analog pulse position modulation (PPM) and bound its quadratic distortion. We show that this scheme outperforms existing techniques, since its quadratic distortion attains both the exponential and polynomial decay orders of Burnashev's outer bound. We supplement our theoretical results with numerical simulations and comparison to existing schemes.

Original languageEnglish
Pages (from-to)5140-5150
Number of pages11
JournalIEEE Transactions on Communications
Volume70
Issue number8
DOIs
StatePublished - 1 Aug 2022

Keywords

  • Gaussian channel
  • Joint source-channel coding
  • energy constraint
  • infinite bandwidth

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