Joint Sum Rate and Error Probability Optimization: Finite Blocklength Analysis
Artikel i vetenskaplig tidskrift, 2017

We study the tradeoff between the sum rate and the error probability in downlink of wireless networks. Using the recent results on the achievable rates of finite-length codewords, the problem is cast as a joint optimization of the network sum rate and the per-user error probability. We develop an efficient algorithm based on the divide-and-conquer technique to simultaneously maximize the network sum rate and minimize the maximum users’ error probability and to evaluate the effect of the codeword length on the system performance. The results show that, in delay-constrained scenarios, optimizing the per-user error probability plays a key role in achieving high throughput.

Multi-user networks

multi-objective optimization

finite block-length analysis

Författare

mahdi haghifam

mohammad Robat Mili

Behrooz Makki

Chalmers, Signaler och system, Kommunikationssystem, informationsteori och antenner, Kommunikationssystem

Masoumeh Nasiri-Kenari

Tommy Svensson

Chalmers, Signaler och system, Kommunikationssystem, informationsteori och antenner, Kommunikationssystem

IEEE Wireless Communications Letters

2162-2337 (ISSN)

Vol. 6 6 726-729

Styrkeområden

Informations- och kommunikationsteknik

Ämneskategorier

Telekommunikation

Signalbehandling

DOI

10.1109/LWC.2017.2736539