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Short Length Trellis-Based Codes for Gaussian Multiple-Access Channels

Ayca Ozcelikkale (Institutionen för signaler och system, Signalbehandling) ; T. M. Duman
IEEE Signal Processing Letters (1070-9908). Vol. 21 (2014), 10, p. 1177-1181.
[Artikel, refereegranskad vetenskaplig]

We focus on trellis-based joint code design for two-user Gaussian multiple-access channel (MAC) in the short block length regime. We propose a design methodology, provide specific code designs and report numerical performance results. We compare the performance of the jointly designed codes with the performance of the codes designed for point-to-point (P2P) channels including optimum (in terms of minimum distance) convolutional codes. Our results show that the proposed codes achieve superior performance compared to these alternatives especially in the high signal-to-noise (SNR) regime in equal power scenarios.

Nyckelord: code design, convolutional codes, multiple-access channel, short block length, finite block length, trellis-based codes, multi-user

Denna post skapades 2014-07-08. Senast ändrad 2016-01-21.
CPL Pubid: 200269


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Institutioner (Chalmers)

Institutionen för signaler och system, Signalbehandling



Chalmers infrastruktur