A minimum mean-squared error relay for the two-way relay channel with network coding

Moonseo Park; Seong Lyun Kim

doi:10.1109/LCOMM.2009.081606

A minimum mean-squared error relay for the two-way relay channel with network coding

Moonseo Park, Seong Lyun Kim

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

In this letter, we consider the two-way relay channel (TWRC) employing network coding. In TWRC, a conventional relay first decodes symbols from each user and combines (network coding) them using, for example, the XOR (eXclusive OR) operation. However, it may be suboptimal for the relay to use this concatenated approach, when the channels are noisy and the cost criterion is source distortion. Instead, we propose a new relay scheme that generates network coded symbols by performing symbol estimation and network coding operation jointly, in order to minimize the source distortion at the users.

Original language	English
Pages (from-to)	196-198
Number of pages	3
Journal	IEEE Communications Letters
Volume	13
Issue number	3
DOIs	https://doi.org/10.1109/LCOMM.2009.081606
Publication status	Published - 2009

Bibliographical note

Funding Information:
This work was done while the first author was with Yonsei University. This work was supported by the Ministry of Knowledge Economy, Korea (IITA-2008-C1090-0801-0037).

All Science Journal Classification (ASJC) codes

Modelling and Simulation
Computer Science Applications
Electrical and Electronic Engineering

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10.1109/LCOMM.2009.081606

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N2 - In this letter, we consider the two-way relay channel (TWRC) employing network coding. In TWRC, a conventional relay first decodes symbols from each user and combines (network coding) them using, for example, the XOR (eXclusive OR) operation. However, it may be suboptimal for the relay to use this concatenated approach, when the channels are noisy and the cost criterion is source distortion. Instead, we propose a new relay scheme that generates network coded symbols by performing symbol estimation and network coding operation jointly, in order to minimize the source distortion at the users.

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A minimum mean-squared error relay for the two-way relay channel with network coding

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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