Adaptive rate and power allocation schemes for OFDM/SDMA systems

Behrouz Maham; Esrafil Jedari; Alireza Enayati

doi:10.1109/CHINACOM.2007.4469446

Adaptive rate and power allocation schemes for OFDM/SDMA systems

Behrouz Maham, Esrafil Jedari, Alireza Enayati

Department of Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

In this paper, adaptive resource allocation approaches, which jointly adapts power distribution and subcarrier allocation according to instantaneous channel conditions, is proposed for uplink OFDM/SDMA-based multiuser system. The first scheme utilizes adaptive algorithm to reduce symbol-error rate. The closed-form algorithm is derived for this idea. The second contribution in this paper deals with constant-rate transmissions over a spatial multiuser OFDM system. In the proposed system, the receiver jointly optimizes rate and power assignments for each user and then informs them to the transmitter via a low-rate feedback channels.

Original language	English
Title of host publication	Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	534-538
Number of pages	5
ISBN (Print)	9781424410095
DOIs	https://doi.org/10.1109/CHINACOM.2007.4469446
Publication status	Published - Jan 1 2007
Event	2007 2nd International Conference on Communications and Networking in China, ChinaCom 2007 - Shanghai, China Duration: Aug 22 2007 → Aug 24 2007

Publication series

Name	Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007

Other

Other	2007 2nd International Conference on Communications and Networking in China, ChinaCom 2007
Country	China
City	Shanghai
Period	8/22/07 → 8/24/07

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

Access to Document

10.1109/CHINACOM.2007.4469446

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Maham, B., Jedari, E., & Enayati, A. (2007). Adaptive rate and power allocation schemes for OFDM/SDMA systems. In Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007 (pp. 534-538). [4469446] (Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CHINACOM.2007.4469446

Adaptive rate and power allocation schemes for OFDM/SDMA systems. / Maham, Behrouz; Jedari, Esrafil; Enayati, Alireza.

Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007. Institute of Electrical and Electronics Engineers Inc., 2007. p. 534-538 4469446 (Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Maham, B, Jedari, E & Enayati, A 2007, Adaptive rate and power allocation schemes for OFDM/SDMA systems. in Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007., 4469446, Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007, Institute of Electrical and Electronics Engineers Inc., pp. 534-538, 2007 2nd International Conference on Communications and Networking in China, ChinaCom 2007, Shanghai, China, 8/22/07. https://doi.org/10.1109/CHINACOM.2007.4469446

Maham B, Jedari E, Enayati A. Adaptive rate and power allocation schemes for OFDM/SDMA systems. In Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007. Institute of Electrical and Electronics Engineers Inc. 2007. p. 534-538. 4469446. (Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007). https://doi.org/10.1109/CHINACOM.2007.4469446

Maham, Behrouz ; Jedari, Esrafil ; Enayati, Alireza. / Adaptive rate and power allocation schemes for OFDM/SDMA systems. Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007. Institute of Electrical and Electronics Engineers Inc., 2007. pp. 534-538 (Proceedings of the Second International Conference on Communications and Networking in China, ChinaCom 2007).

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abstract = "In this paper, adaptive resource allocation approaches, which jointly adapts power distribution and subcarrier allocation according to instantaneous channel conditions, is proposed for uplink OFDM/SDMA-based multiuser system. The first scheme utilizes adaptive algorithm to reduce symbol-error rate. The closed-form algorithm is derived for this idea. The second contribution in this paper deals with constant-rate transmissions over a spatial multiuser OFDM system. In the proposed system, the receiver jointly optimizes rate and power assignments for each user and then informs them to the transmitter via a low-rate feedback channels.",

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Adaptive rate and power allocation schemes for OFDM/SDMA systems

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