Jointly optimal signature sequences and power allocation for CDMA systems

Ngo, DT; Tuan, HD; Nguyen, HH

Jointly optimal signature sequences and power allocation for CDMA systems

Ngo, DT Tuan, HD

Nguyen, HH

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Publication Type:: Journal Article
Citation:: IEEE Transactions on Wireless Communications, 2008, 7 (11), pp. 4122 - 4127
Issue Date:: 2008-11-01

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Field	Value	Language
dc.contributor.author	Ngo, DT	en_US
dc.contributor.author	Tuan, HD https://orcid.org/0000-0003-0292-6061	en_US
dc.contributor.author	Nguyen, HH	en_US
dc.date.issued	2008-11-01	en_US
dc.identifier.citation	IEEE Transactions on Wireless Communications, 2008, 7 (11), pp. 4122 - 4127	en_US
dc.identifier.issn	1536-1276	en_US
dc.identifier.uri	http://hdl.handle.net/10453/15456
dc.description.abstract	The problems of designing signature sequences and power allocation policy for code-division multiple access (CDMA) are important and have been the subject of intensive research in recent years. Taking the maximization of the system informationtheoretic sum capacity as the design criterion, most of the previous works only consider the optimizations of signature sequences and power allocation separately. In contrast, this letter presents a jointly optimal design of signature sequences and power allocation for a CDMA system with fixed, but unequal channel gains and under the sum power constraint. The proposed design is of closed-form, and applicable for the general case of correlated signals and colored noise. Numerical results verify the superiority of the proposed design over the existing ones. © 2008 IEEE.	en_US
dc.relation.ispartof	IEEE Transactions on Wireless Communications	en_US
dc.relation.isbasedon	10.1109/T-WC.2008.070659	en_US
dc.subject.classification	Networking & Telecommunications	en_US
dc.title	Jointly optimal signature sequences and power allocation for CDMA systems	en_US
dc.type	Journal Article
utslib.citation.volume	11	en_US
utslib.citation.volume	7	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	0805 Distributed Computing	en_US
utslib.for	1005 Communications Technologies	en_US
dc.location.activity	ISI:000260946100015	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access
pubs.issue	11	en_US
pubs.publication-status	Published	en_US
pubs.volume	7	en_US

Abstract:

The problems of designing signature sequences and power allocation policy for code-division multiple access (CDMA) are important and have been the subject of intensive research in recent years. Taking the maximization of the system informationtheoretic sum capacity as the design criterion, most of the previous works only consider the optimizations of signature sequences and power allocation separately. In contrast, this letter presents a jointly optimal design of signature sequences and power allocation for a CDMA system with fixed, but unequal channel gains and under the sum power constraint. The proposed design is of closed-form, and applicable for the general case of correlated signals and colored noise. Numerical results verify the superiority of the proposed design over the existing ones. © 2008 IEEE.

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