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A Low-Complexity Resource Allocation Algorithm for MIMO-OFDMA Multicast Systems with Spectrum-Guarantee Provisioning
Joint Authors
Kotsopoulos, Stavros A.
Fraimis, Ioannis G.
Source
International Journal of Digital Multimedia Broadcasting
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-03-08
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Engineering Sciences and Information Technology
Telecommunications Engineering
Electronic engineering
Information Technology and Computer Science
Abstract EN
We study the important problem of resource allocation for the downlink of Multiple-Input Multiple output (MIMO) Multicast Wireless Systems operating over frequency-selective channels and we propose a low-complexity but efficient resource allocation algorithm for MIMO-enabled OFDMA systems.
The proposed solution guarantees a minimum spectrum share for each user while also takes advantage of the multicast transmission mode.
The presence of multiple antennas in both transmitter and receiver offers spatial diversity to the system along with the frequency diversity added by the OFDMA access scheme.
The computational complexity is reduced from exponential to linear and validation of the proposed solution is achieved through various simulation scenarios in comparison with other multicast and unicast reference schemes used in MIMO-OFDMA systems.
Numerical results and complexity analysis demonstrate the feasibility of the proposed algorithm.
American Psychological Association (APA)
Fraimis, Ioannis G.& Kotsopoulos, Stavros A.. 2012. A Low-Complexity Resource Allocation Algorithm for MIMO-OFDMA Multicast Systems with Spectrum-Guarantee Provisioning. International Journal of Digital Multimedia Broadcasting،Vol. 2012, no. 2012, pp.1-11.
https://search.emarefa.net/detail/BIM-482843
Modern Language Association (MLA)
Fraimis, Ioannis G.& Kotsopoulos, Stavros A.. A Low-Complexity Resource Allocation Algorithm for MIMO-OFDMA Multicast Systems with Spectrum-Guarantee Provisioning. International Journal of Digital Multimedia Broadcasting No. 2012 (2012), pp.1-11.
https://search.emarefa.net/detail/BIM-482843
American Medical Association (AMA)
Fraimis, Ioannis G.& Kotsopoulos, Stavros A.. A Low-Complexity Resource Allocation Algorithm for MIMO-OFDMA Multicast Systems with Spectrum-Guarantee Provisioning. International Journal of Digital Multimedia Broadcasting. 2012. Vol. 2012, no. 2012, pp.1-11.
https://search.emarefa.net/detail/BIM-482843
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-482843