Extended detection for MIMO systems with partial incremental redundancy based hybrid ARQ

Sangjoon Park, Younghoon Whang, Sooyong Choi

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

In this paper, an extended detection scheme is proposed for multiple-input multiple-output (MIMO) systems which employ partial incremental redundancy (IR) based hybrid automatic repeat request (HARQ). Based on the extended MIMO system model that interprets multiple retransmissions as a single transmission, the extended detection scheme estimates the entire transmitted symbols utilizing all information obtained up to the current retransmission. Compared with the conventional zero-forcing (ZF) detection scheme, the extended ZF detection scheme improves the post-processing signal-to-noise ratio (PSNR) of the newly transmitted symbols in every retransmission, as well as the repeatedly transmitted symbols. Simulation results verify that the extended detection scheme outperforms the conventional detection scheme. Simulation results also show that the extended minimum mean-square-error (MMSE) detection scheme can achieve a better error performance than the conventional maximum-likelihood (ML) detection scheme, and even the extended ZF detection scheme shows a comparable error performance to the conventional ML detection scheme.

Original languageEnglish
Article number6287524
Pages (from-to)3714-3722
Number of pages9
JournalIEEE Transactions on Wireless Communications
Volume11
Issue number10
DOIs
Publication statusPublished - 2012 Sep 5

Fingerprint

Hybrid ARQ
Multiple-input multiple-output (MIMO) Systems
Maximum likelihood
Redundancy
Partial
Error detection
Mean square error
Signal to noise ratio
Zero-forcing
Maximum Likelihood Detection
Processing
Error Detection
Extended Systems
Minimum Mean Square Error
Post-processing
Simulation

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

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Extended detection for MIMO systems with partial incremental redundancy based hybrid ARQ. / Park, Sangjoon; Whang, Younghoon; Choi, Sooyong.

In: IEEE Transactions on Wireless Communications, Vol. 11, No. 10, 6287524, 05.09.2012, p. 3714-3722.

Research output: Contribution to journalArticle

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