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IEICE TRANSACTIONS on Communications

An Approach of Relay Ordering to Improve OFDM-Based Cooperation

Pham Ngoc SON, Hyung Yun KONG

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Summary :

Multi-hop cooperative communication has been investigated in order to overcome disadvantages such as fading, obstruction and low power. In addition, with the goal of increasing access capacity, the orthogonal frequency division multiplexing (OFDM) modulation is being advanced as a solution. In this paper, we propose the approach of relay ordering in a Decode-and-Forward OFDM scheme. Combining techniques such as maximal ratio combining and selection combining are employed at receivers and approximate outage capacity probabilities are derived for evaluating system performance over frequency selective Rayleigh fading channels. Final, the expressions are validated by Monte-Carlo simulations, and are used to compare with the same scheme based relay selection.

Publication
IEICE TRANSACTIONS on Communications Vol.E98-B No.5 pp.870-877
Publication Date
2015/05/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E98.B.870
Type of Manuscript
PAPER
Category
Wireless Communication Technologies

Authors

Pham Ngoc SON
  University of Ulsan
Hyung Yun KONG
  University of Ulsan

Keyword