High rate single-carrier frequency-domain equalization for multi-relay cooperative systems

Author

Eghbali, Homa ; Muhaidat, Sami

Author_Institution

Sch. of Eng. Sci., Simon Fraser Univ., Burnaby, BC, Canada

fYear

2011

fDate

5-9 Dec. 2011

Firstpage

173

Lastpage

177

Abstract

To overcome the loss in bandwidth and throughput efficiency due to the deployment of orthogonal distributed space-time block codes (DSTBC), in this paper, we investigate the performance of quasi-orthogonal multi space-time transmit diversity (MSTTD) and single-carrier frequency-domain equalization (SC-FDE) for DSTBC systems with Non-Regenerative relaying over frequency-selective fading channels. Assuming N_R relays and N_S source nodes, the system´s overall rate is N_S/(N_R+1), which is higher than the rates achieved by system´s counterparts with orthogonal codes. We further present and investigate several relay selection strategies for MSTTD SC-FDE over frequency selective channels. The effectiveness of different relay selection schemes is verified by numerical simulations.

Keywords

cooperative communication; equalisers; fading channels; frequency-domain analysis; orthogonal codes; space-time block codes; DSTBC; MSTTD; NR relay; NS source node; SC-FDE; frequency-selective fading channel; multirelay cooperative system; orthogonal code; orthogonal distributed space-time block codes; quasiorthogonal multispace-time transmit diversity; relay selection strategy; ronregenerative relaying; single-carrier frequency-domain equalization; Equalizers; MIMO; Receivers; Relays; Signal to noise ratio; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

GLOBECOM Workshops (GC Wkshps), 2011 IEEE

Conference_Location

Houston, TX

Print_ISBN

978-1-4673-0039-1

Electronic_ISBN

978-1-4673-0038-4

Type

conf

DOI

10.1109/GLOCOMW.2011.6162430

Filename

6162430