Intra-cell overlay opportunistic spectrum sharing by employing 1-bit feedback beamforming

Hou, J, Ma, Y and Tafazolli, R (2013) Intra-cell overlay opportunistic spectrum sharing by employing 1-bit feedback beamforming 19th European Wireless Conference, EW 2013.

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Abstract

This paper aims to investigate an intra-cell overlay opportunistic spectrum sharing scheme by employing 1-bit feedback beamforming. The work of interests is that base station broadcasts independent signal messages to two relay stations (RS-1 and RS-2). RS-2 decodes the signal messages in subcell 2 and attempts to share the spectrum of sub-cell 1 for its own transmission. For this reason, RS-2 makes a deal with RS-1 in sub-cell 1 to help RS-1 send its signal messages. As presented in the paper, by employing 1-bit feedback transmit beamforming, RS-2 can further improve RS-1's achievable rate and automatically eliminate the interference from RS-2 to subcell 1. Meanwhile, the achievable sum-rate upper bound of RS-2 is also analyzed. © VDE VERLAG GMBH.

Item Type:	Article
Divisions :	Surrey research (other units)
Authors :	Name Email ORCID Hou, J j.hou@surrey.ac.uk Ma, Y y.ma@surrey.ac.uk Tafazolli, R
Date :	1 January 2013
Depositing User :	Symplectic Elements
Date Deposited :	17 May 2017 13:23
Last Modified :	24 Jan 2020 23:53
URI:	http://epubs.surrey.ac.uk/id/eprint/839028

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