Transmit Diversity and its Application to Cooperative Networking

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VENKATASUBRAMANIAN Venkatkumar-masters.pdf

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http://eprints.org/relation/isVersionOf https://vuir.vu.edu.au/id/dark_document/78285 http://eprints.org/relation/isVolatileVersionOf https://vuir.vu.edu.au/id/dark_document/78285 http://eprints.org/relation/issmallThumbnailVersionOf https://vuir.vu.edu.au/id/dark_document/78285 archive 34 disk0/00/00/05/23 2007-05-30 2021-08-27 07:39:51 2019-09-05 03:30:50 thesis show Venkatasubramanian Venkatkumar Venkatasubramanian, Venkatkumar Transmit Diversity and its Application to Cooperative Networking unpub 290000 FOR_2008_090600 tafeengineering wireless communication; centralized control; coverage; osi Master of Engineering Wireless communications has been so far largely based on centralized control, which in effect has limited its deployment, coverage and application scenarios. The paradigm of peer-to-peer wireless communications is fundamentally to remove this bottleneck and to further expand wireless communications into new applications. The technical and design challenges in implementing these networks are however plenty and exist in all the layers of the OSI protocol stack. In this thesis, we only consider the physical layer model of these networks. We identify multiple antenna systems as a vital component of physical layer solutions. We first investigate the case of multiple antenna space-time coding techniques to achieve spatial diversity. We observe that when correlation between the antennas in a local antenna array becomes high due to space constraints in a terminal, current performance achieving strategies do not actually deliver good results. Moreover, most mobile terminals are currently equipped with only one antenna. In view of this limitation, we study the recently proposed user cooperation techniques for exploiting spatial diversity with user power constraints for a simple three terminal network. We find that these systems are beneficial even with relatively simple protocols such as selection relaying. Finally, with simulation results, we demonstrate that the system performance can be improved significantly via near-to optimal selection relaying. 2006 submitted 78285 2 2424070 dark_document 78285 Venkatasubramanian, Venkatkumar MEng.pdf application/pdf 3d935dbd19c5d48ed517c71275024bde MD5 39923 2020-12-08 00:36:46 523 7 7 application/pdf text VURR permission form en staffonly

Venkatasubramanian, Venkatkumar MEng.pdf

other public 111 Victoria University School of Electrical Engineering rmaster other Includes bibliographical references pp. 90-97 FALSE