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Complex Spreading Sequence Design
Responsible organisation
2002 (English)Conference paper, Published paper (Refereed) Published
Abstract [en]

The performance of code division multiple access system depends on the correlation of the employed spreading code. Low cross-correlation values between spreading sequences are desired to suppress multiple access interference. An auto-correlation function with with a distinct peak enables proper synchronization and suppresses intersymbol interference. However, these requirements contradict each other and a trade-off needs to be established. In this paper, a global two dimensional optimization method is proposed to minimize auto-correlation with cross-correlation being allowed to lie within a fixed region. This approach is applied to design a set of complex valued spreading sequences.

Place, publisher, year, edition, pages
Stockholm, 2002.
Keyword [en]
Signal Set Design, Spreading Sequences
National Category
Telecommunications Signal Processing
Identifiers
URN: urn:nbn:se:bth-9581Local ID: oai:bth.se:forskinfoC1BA7114BF45917CC1256C6A004BBC9FOAI: oai:DiVA.org:bth-9581DiVA: diva2:837465
Conference
SNRV and NUTEK Conference on Radio Sciences and Telecommunications (RVK'02)
Available from: 2012-09-18 Created: 2002-11-07 Last updated: 2015-06-30Bibliographically approved

Open Access in DiVA

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