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Orthogonalization of quasi-orthogonal space-time block codes in multipath fading environments by using feedback

Toker, C, Lambotharan, S and Chambers, JA (2005) Orthogonalization of quasi-orthogonal space-time block codes in multipath fading environments by using feedback

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Abstract

To combat the detrimental effect of the frequency-selective fading channel and the intersymbol interference in quasiorthogonal space-time block codes (QO-STBCs), two feedback algorithms combined with multicarrier modulation scheme are proposed. One of the algorithms rotates the phase of the transmitted signal from certain antennas in a prescribed way. The other algorithm is based on selecting certain antennas and switching-off the others according a channel quality measure. A highly practical setup with only two bits of feedback can achieve considerable performance gain over the open-loop QO-STBC.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Authors :
NameEmailORCID
Toker, CUNSPECIFIEDUNSPECIFIED
Lambotharan, SUNSPECIFIEDUNSPECIFIED
Chambers, JAj.a.chambers@surrey.ac.ukUNSPECIFIED
Date : 1 December 2005
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:26
Last Modified : 17 May 2017 13:26
URI: http://epubs.surrey.ac.uk/id/eprint/839240

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