Finite Blocklength Achievable Rates for Energy Harvesting AWGN Channels with Infinite Buffer

TL;DR

This paper derives a lower bound on the maximum achievable coding rate for energy harvesting AWGN channels with infinite buffers at finite blocklengths, advancing understanding of their performance limits.

Contribution

It introduces a new lower bound on the maximal codebook size for finite blocklengths in energy harvesting AWGN channels with infinite buffers, improving upon existing bounds.

Findings

New lower bound on achievable rates at finite blocklengths.

Improved understanding of energy harvesting channel performance.

Enhanced bounds compared to previous work.

Abstract

We consider an additive White Gaussian channel where the transmitter is powered by an energy harvesting source. For such a system, we provide a lower bound on the maximal code book at finite code lengths that improves upon previously known bounds.