article · 2014

+ Relay

Ramy H. Gohary, Halim Yanikomeroglu, Ρh Y X

Cited by 0Abstract and details only

Abstract

Abstract—This paper considers the ergodic non-coherent capacity of a multiple-input multiple-output frequency-flat block Rayleigh fading relay channel. It is shown that for this channel restricting the input distribution to be isotropic on a compact Grassmann manifold maximizes an upper bound on the cutset bound at high signal-to-noise ratios (SNRs). Furthermore, Grassmannian signalling at the source achieves this bound within an SNR-independent gap. For moderate-to-high SNRs, a Grassmannian decode-and-forward (DF) relaying scheme is devised, and the optimal signalling dimensionality that minimizes the gap to the upper bound is obtained.

Cite this paper

APA 7

Gohary, R. H., Yanikomeroglu, H., & X, Ρ. Y. (2014). + Relay.

MLA 9

Gohary, Ramy H., et al. “+ Relay.” 2014.

Chicago

Gohary, Ramy H., Halim Yanikomeroglu, and Ρh Y X. 2014. “+ Relay.”

Harvard

Gohary, R.H., Yanikomeroglu, H. and X, Ρ.Y. (2014) ‘+ Relay’.

BibTeX

@article{gohary2014relay,
  title = {{+ Relay}},
  author = {Gohary, Ramy H. and Yanikomeroglu, Halim and X, Ρh Y},
  year = {2014}
}

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