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Orientation adaptive transmit polarization diversity for branch power equalization

Huang, Yu Chieh & Senadji, Bouchra (2009) Orientation adaptive transmit polarization diversity for branch power equalization. In The 5th International Wireless Communications and Mobile Computing Conference, 21-24 June 2009, Leipzig, Germany. (In Press)

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Abstract

Branch power equalization and increased system robustness against antenna orientation in transmit polarization diversity systems is achieved through precoded transmission of elliptical polarization. Elliptical polarization offers two main benefits over traditional polarization diversity systems. Firstly, it is able to facilitate power coupling between orthogonal polarizations and reduce the system sensitivity to antenna orientation. Secondly, when the operation parameters for elliptical polarization are chosen carefully based on channel information, branch power equalization is achieved for arbitrary transmitter orientation. In this paper, we articulate the parameters which need to be pre-coded at the transmitter to achieve power balance. The closed form solutions for optimal cross polarization discrimination are presented, assuming the full knowledge of channel statistics.

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ID Code: 20405
Item Type: Conference Paper
Keywords: Transmit Polarization Diversity, Cross Polarization Discrimination, Power Equalization
Subjects: Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > COMMUNICATIONS TECHNOLOGIES (100500)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > COMMUNICATIONS TECHNOLOGIES (100500) > Wireless Communications (100510)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2009 International Wireless Communications and Mobile Computing Conference
Copyright Statement: Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. To copy otherwise, to republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee.
Deposited On: 11 May 2009 11:02
Last Modified: 29 Feb 2012 23:54

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