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GLOBECOM
2010
IEEE

Rotating Decode-and-Forward for Two Pairs of Two-Way Communications

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Rotating Decode-and-Forward for Two Pairs of Two-Way Communications
We study the transmission strategy for a system consisting of two pairs of two-way communication links. The information exchange between the two nodes in each pair can only occur with the help of the nodes in the other pair. A novel transmission protocol, named Rotating Decode-and-Forward (RDF) is proposed. In this protocol, the two pairs take turns to forward the signal for each other while having their own information embedded in the signal-to-forward by applying physical layer network coding. The achievable rate region of this protocol is derived. Numerical examples show that proposed RDF protocol can provide significantly higher spectral efficiency than conventional protocols where the transmissions of information signal and signal-to-forward are carried out separately.
Yiwei Pu, Cen Lin, Meixia Tao
Added 11 Feb 2011
Updated 11 Feb 2011
Type Journal
Year 2010
Where GLOBECOM
Authors Yiwei Pu, Cen Lin, Meixia Tao
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