Cross-layer design of multiple antenna multicast combining AMC with truncated HARQ

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Combining adaptive modulation and coding with truncated hybrid automatic request, this paper presents a cross-layer design for multiple antenna multicast over a common radio channel. In the design, the modulation and coding scheme of a multicast packet is selected based on the minimum signal-to-noise ratio (SNR) in the multicast group in such a way that the constraint on the packet loss rate is satisfied for all users in the group. A general expression for the throughput of the proposed design is derived in frequency-flat fading channel environment and specific results in Rayleigh, Nakagami, and Rician fading channels are provided. It is shown that the proposed multicast design provides a significant throughput gain compared to the unicast counterpart, in particular, in the mid- to high SNR region. It is also shown that a larger value of the diversity order, Nakagami parameter, and Rician factor is more beneficial to multicast than to unicast.
Publisher
SPRINGER FRANCE
Issue Date
2010-12
Language
English
Article Type
Article
Citation

ANNALS OF TELECOMMUNICATIONS-ANNALES DES TELECOMMUNICATIONS, v.65, no.11-12, pp.803 - 815

ISSN
0003-4347
DOI
10.1007/s12243-010-0190-2
URI
http://hdl.handle.net/10203/100008
Appears in Collection
EE-Journal Papers(저널논문)
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