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Title: Exploring the reconfigurability options of multi-carrier CDMA in cognitive radio systems
Sponsor: Science Foundation Ireland
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Keywords: cognitive radio systems frequency spectrum medium-access control layer multi carrier code division multiple access physical layer reconfigurable MC-CDMA time-varying entropy
Issue Date: 2007
Publisher: IEEE
Citation: Sarath, D., Nolan, K.E., Sutton, P.D., Doyle, L.E. ‘Exploring the reconfigurability options of multi-carrier CDMA in cognitive radio systems’ in Proceedings of IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, Athens, 4394698, IEEE, 3-7 Sept. 2007, pp 1 - 5
Series/Report no.: 4394698
Abstract: The ever-increasing demands for access to frequency spectrum and more efficient methods of using this spectrum involving multi-carrier techniques are driving the development of reconfigurable and cognitive wireless devices. The potential for, and the need to accommodate the potentially time-varying entropy in these wireless systems presents several design and implementation challenges. However, significant opportunities for innovation extending from the wireless terminal implementation to the business and market models also exist. This paper focuses on the physical (PHY) and medium-access control (MAC) layer issues of these emerging systems, highlighting the following three main contributions: 1. An introduction to reconfigurable multi-carrier code division multiple access (MC-CDMA) 2. An exploration of the use of reconfigurable MC-CDMA and its impact on the design of the physical (PHY) and medium access control (MAC) layers in a cognitive radio context. 3. An overview of the practical design and development considerations of this novel system which is being implemented on a real cognitive radio development testbed.
Description: PUBLISHED
Appears in Collections:Electronic & Electrical Eng (Scholarly Publications)

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