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IEICE TRANSACTIONS on Communications

Blind Adaptive Receiver for Uplink STBC MC-CDMA Systems in Multi-Cell Environments

Bangwon SEO, Do Hyun PARK

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Summary :

We consider uplink multi-carrier code-division multiple access (MC-CDMA) systems in a multi-cell environment. It is assumed that all intra-cell users employ Alamouti's simple space-time block coding (STBC), which is known to the base station receiver, but the receiver has no information on whether inter-cell users employ STBC or not. In this case we propose a blind adaptive minimum output energy (MOE) receiver for uplink STBC MC-CDMA, which is designed to perfectly remove the interference from intra-cell users by using the spreading sequence information on all intra-cell users and to reduce the interference from inter-cell users by minimizing the constrained output energy. Analysis and simulation results show that the proposed adaptive receiver has a faster convergence rate and higher steady-state signal-to-interference plus noise ratio (SINR) than a conventional scheme in which only the spreading code information of the desired user is utilized.

Publication
IEICE TRANSACTIONS on Communications Vol.E96-B No.10 pp.2676-2682
Publication Date
2013/10/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E96.B.2676
Type of Manuscript
PAPER
Category
Wireless Communication Technologies

Authors

Bangwon SEO
  Kongju National University
Do Hyun PARK
  Electronics and Telecommunications Research Institute (ETRI)

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