Cooperation strategies for the butterfly network: Neutralization, feedback, and computation

Author

Chaaban, Anas ; Sezgin, Aydin ; Tuninetti, Daniela

Author_Institution

Digital Commun. Syst., Ruhr-Univ. Bochum, Bochum, Germany

fYear

2012

fDate

4-7 Nov. 2012

Firstpage

1753

Lastpage

1757

Abstract

A butterfly network (BFN) consisting of 2 source nodes, 2 destination nodes, and a relay, with relay-source feedback is considered. Transmission schemes are proposed for this setup, which exploit feedback based on compute-forward using nested-lattice codes. A novel nested-lattice interference neutralization strategy is also proposed. The performance of these schemes is compared and discussed, and it is shown that these schemes can provide net-gain, i.e., the gain in the sum-capacity gain is larger than the number of feedback bits invested.

Keywords

cooperative communication; feedback; hypercube networks; network coding; radiofrequency interference; relay networks (telecommunication); telecommunication network topology; BFN; butterfly network; compute-forward feedback; cooperation strategy; destination nodes; feedback bits; nested-lattice codes; nested-lattice interference neutralization strategy; net-gain; relay transmission schemes; relay-source feedback; source nodes; sum-capacity gain;

fLanguage

English

Publisher

ieee

Conference_Titel

Signals, Systems and Computers (ASILOMAR), 2012 Conference Record of the Forty Sixth Asilomar Conference on

Conference_Location

Pacific Grove, CA

ISSN

1058-6393

Print_ISBN

978-1-4673-5050-1

Type

conf

DOI

10.1109/ACSSC.2012.6489334

Filename

6489334