Closed-form approximation for the outage capacity of orthogonal STBC

In this letter we derive a tight analytical approximation for the outage capacity of orthogonal space-time block codes (STBC's). The proposed expression is a simple closed-form function of the power covariance matrix of the channel. In the case of uncorrelated channels, the expression only depe...

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Bibliographic Details
Published in:IEEE communications letters 2005-11, Vol.9 (11), p.961-963
Main Authors: Perez, J., Ibanez, J., Vielva, L., Santamaria, I.
Format: Article
Language:English
Subjects:
Additive white noise
Antennas
Applied sciences
Block codes
Channel capacity
Coding, codes
Decoding
Exact sciences and technology
Gaussian noise
Information, signal and communications theory
MIMO
Radiocommunications
Rayleigh channels
Receiving antennas
Signal and communications theory
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
Transmitters
Weibull fading channels
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Summary:In this letter we derive a tight analytical approximation for the outage capacity of orthogonal space-time block codes (STBC's). The proposed expression is a simple closed-form function of the power covariance matrix of the channel. In the case of uncorrelated channels, the expression only depends on the variances of the channel power gains that can be expressed analytically for the most common fading distributions: Rayleigh, Rice, Nakagami, Weibull, etc. Furthermore, the approximation encompasses different fading distributions and gains between different pairs of transmit and receive antennas, which can occur in distributed STBC networks.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2005.11001