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Effect of Timing Misalignment on Performance of Uplink Synchronized DS-CDMA Systems
Duk-Kyung KIM Seung-Hoon HWANG
Publication
IEICE TRANSACTIONS on Communications
Vol.E88-B
No.2
pp.807-810 Publication Date: 2005/02/01 Online ISSN:
DOI: 10.1093/ietcom/e88-b.2.807 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: uplink synchronized CDMA, timing misalignment,
Full Text: PDF(168.2KB)>>
Summary:
The uplink synchronous transmission scheme was proposed to improve the uplink performance of DS-CDMA systems. However, previous performance analyses have assumed perfect uplink synchronization among main paths, which is impractical due to timing misalignment. Accordingly, this Letter evaluates the impact of imperfect synchronization on the performance of an uplink synchronized DS-CDMA system by deriving an orthogonality factor as a measure of the imperfection in synchronization.
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