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Performance evaluation of multicast MISO–OFDM systems

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Abstract

In this paper, we analyze the performance of multicast orthogonal frequency division multiplexing (OFDM) systems with single and multiple transmit antennas. We show that the resource allocation that includes the subcarrier allocation, bit loading, and the precoding vector selection in the multiple-input single-output (MISO) case is a difficult optimization problem. Consequently, we propose suboptimal algorithms based on the maximization of the sum data rate and the maximization of the minimum user data rate criteria. For practical application, we consider a complete transmission chain by combining powerful erasure codes with the proposed algorithms. Using this scheme, we guarantee that each user receives the same amount of information to decode the same data. Simulation results show that, for both single-input single-output (SISO)–OFDM and MISO–OFDM cases, the proposed multicast OFDM systems achieve gains over the worst user case algorithm.

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Authors and Affiliations

  1. Electrical and Electronics Engineering Department, Izmir Institute of Technology, Urla, 35430, Izmir, Turkey

    Berna Özbek

  2. Electronics and Communications Laboratory, Conservatoire National des Arts et Métiers (CNAM), 292 rue Saint Martin, 75141, Paris, France

    Didier Le Ruyet & Hajer Khanfir

Authors
  1. Berna Özbek
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  2. Didier Le Ruyet
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  3. Hajer Khanfir
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Corresponding author

Correspondence to Berna Özbek.

Additional information

The work of Berna Özbek was supported by the FP6-IYTE wireless project.

The work of Didier Le Ruyet and Hajer Khanfir was supported by the Euripides European project SMART.

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Özbek, B., Le Ruyet, D. & Khanfir, H. Performance evaluation of multicast MISO–OFDM systems. Ann. Telecommun. 63, 295–305 (2008). https://doi.org/10.1007/s12243-008-0027-4

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  • DOI: https://doi.org/10.1007/s12243-008-0027-4

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