Source and Channel Optimal Rate LDPC Code Design for one Sender in BE-MAC with Source Correlation

TL;DR

This paper extends semidefinite programming methods for optimal LDPC code design from single-link BEC to correlated sources in BE-MAC, demonstrating improved efficiency through simulations.

Contribution

It introduces a novel extension of semidefinite programming for LDPC code design to correlated sources in BE-MAC, applicable to multiple access scenarios.

Findings

Effective in optimizing LDPC codes for correlated sources in BE-MAC

Simulation results confirm the approach's efficiency and practicality

Extension to multiple access scenarios is feasible

Abstract

In this paper, we present an extension of the semidefinite programming formulation of the optimal rate code design in single link Binary Erasure Channel (BEC) proposed by the authors to the Binary Erasure Multiple Access Channel (BE-MAC) with two sources correlation. This new way can be easily extended to the multiple access senders. Simulation results show the efficiency and effectiveness of the new approach in practice.