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Mutual Information of IID Complex Gaussian Signals on Block Rayleigh-Faded Channels

Rusek, Fredrik LU ; Lozano, Angel and Jindal, Nihar (2012) In IEEE Transactions on Information Theory 58(1). p.331-340
Abstract
We present a method to compute, quickly and efficiently, the mutual information achieved by an independent identically distributed (IID) complex Gaussian signal on a block Rayleigh-faded channel without side information at the receiver. The method accommodates both scalar and multiple-input multiple-output (MIMO) settings. Operationally, this mutual information represents the highest spectral efficiency that can be attained using Gaussian codebooks. Examples are provided that illustrate the loss in spectral efficiency caused by fast fading and how that loss is amplified when multiple transmit antennas are used. These examples are further enriched by comparisons with the channel capacity under perfect channel-state information at the... (More)
We present a method to compute, quickly and efficiently, the mutual information achieved by an independent identically distributed (IID) complex Gaussian signal on a block Rayleigh-faded channel without side information at the receiver. The method accommodates both scalar and multiple-input multiple-output (MIMO) settings. Operationally, this mutual information represents the highest spectral efficiency that can be attained using Gaussian codebooks. Examples are provided that illustrate the loss in spectral efficiency caused by fast fading and how that loss is amplified when multiple transmit antennas are used. These examples are further enriched by comparisons with the channel capacity under perfect channel-state information at the receiver, and with the spectral efficiency attained by pilot-based transmission. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
MIMO, multiantenna, mutual information, non-coherent, spectral, efficiency, wireless communications
in
IEEE Transactions on Information Theory
volume
58
issue
1
pages
331 - 340
publisher
IEEE--Institute of Electrical and Electronics Engineers Inc.
external identifiers
  • wos:000298989200026
  • scopus:84855663443
ISSN
0018-9448
DOI
10.1109/TIT.2011.2171520
language
English
LU publication?
yes
id
81a1ff1d-8b9a-43b0-975f-30f1808ce526 (old id 2362532)
date added to LUP
2012-02-23 14:23:59
date last changed
2017-07-02 03:57:54
@article{81a1ff1d-8b9a-43b0-975f-30f1808ce526,
  abstract     = {We present a method to compute, quickly and efficiently, the mutual information achieved by an independent identically distributed (IID) complex Gaussian signal on a block Rayleigh-faded channel without side information at the receiver. The method accommodates both scalar and multiple-input multiple-output (MIMO) settings. Operationally, this mutual information represents the highest spectral efficiency that can be attained using Gaussian codebooks. Examples are provided that illustrate the loss in spectral efficiency caused by fast fading and how that loss is amplified when multiple transmit antennas are used. These examples are further enriched by comparisons with the channel capacity under perfect channel-state information at the receiver, and with the spectral efficiency attained by pilot-based transmission.},
  author       = {Rusek, Fredrik and Lozano, Angel and Jindal, Nihar},
  issn         = {0018-9448},
  keyword      = {MIMO,multiantenna,mutual information,non-coherent,spectral,efficiency,wireless communications},
  language     = {eng},
  number       = {1},
  pages        = {331--340},
  publisher    = {IEEE--Institute of Electrical and Electronics Engineers Inc.},
  series       = {IEEE Transactions on Information Theory},
  title        = {Mutual Information of IID Complex Gaussian Signals on Block Rayleigh-Faded Channels},
  url          = {http://dx.doi.org/10.1109/TIT.2011.2171520},
  volume       = {58},
  year         = {2012},
}