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Resource Allocation for a Cooperative Broadband MIMO-OFDM System

Resource Allocation for a Cooperative Broadband MIMO-OFDM System

Ibrahim Y. Abualhaol, Mustafa M. Matalgah
Copyright: © 2010 |Pages: 17
ISBN13: 9781605666655|ISBN10: 1605666653|EISBN13: 9781605666662
DOI: 10.4018/978-1-60566-665-5.ch014
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MLA

Abualhaol, Ibrahim Y., and Mustafa M. Matalgah. "Resource Allocation for a Cooperative Broadband MIMO-OFDM System." Cooperative Communications for Improved Wireless Network Transmission: Framework for Virtual Antenna Array Applications, edited by Murat Uysal, IGI Global, 2010, pp. 382-398. https://doi.org/10.4018/978-1-60566-665-5.ch014

APA

Abualhaol, I. Y. & Matalgah, M. M. (2010). Resource Allocation for a Cooperative Broadband MIMO-OFDM System. In M. Uysal (Ed.), Cooperative Communications for Improved Wireless Network Transmission: Framework for Virtual Antenna Array Applications (pp. 382-398). IGI Global. https://doi.org/10.4018/978-1-60566-665-5.ch014

Chicago

Abualhaol, Ibrahim Y., and Mustafa M. Matalgah. "Resource Allocation for a Cooperative Broadband MIMO-OFDM System." In Cooperative Communications for Improved Wireless Network Transmission: Framework for Virtual Antenna Array Applications, edited by Murat Uysal, 382-398. Hershey, PA: IGI Global, 2010. https://doi.org/10.4018/978-1-60566-665-5.ch014

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Abstract

In this chapter, a cooperative broadband relay-based resource allocation technique is proposed for adaptive bit and power loading multiple-input-multiple-output/orthogonal frequency division multiplexing (MIMO-OFDM) system. In this technique, sub-channels allocation, M-QAM modulation order, and power distribution among different sub-channels in the relay-based MIMO-OFDM system are jointly optimized according to the channel state information (CSI) of the relay and the direct link. The transmitted stream of bits is divided into two parts according to a suggested cooperative protocol that is based on sub-channel-division. In this protocol, the first part is sent directly from the source to the destination, and the second part is relayed to the destination through an indirect link. Such a cooperative relay-based system enables us to exploit the inherent system diversities in frequency, space and time to maximize the system power efficiency. The BER performance using this cooperative sub-channel-division protocol with adaptive sub-channel assignment and adaptive bit/power loading are presented and compared with a noncooperative ones. The use of cooperation in a broadband relay-based MIMO-OFDM system showed high performance improvement in terms of BER.

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