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Near Far Robust Time Delay Estimation for Asynchronous DS-CDMA Systems with Bandlimited Pulse Shapes
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774
1998 (English)In: IEEE Transactions on Vehicular Technology Conference, IEEE , 1998, 1650-1654 p.Conference paper, Published paper (Refereed)
Abstract [en]

An algorithm for time delay estimation in an asynchronous direct-sequence code-division multiple access (DS-CDMA) system with bandlimited signals in a near-far scenario (no tight power control) is presented. The algorithm, which is a modified MUSIC algorithm, is validated through simulations and asymptotic analysis (large number of vector samples) for a square-root raised cosine pulse. It is shown that the algorithm has performance very similar to the case with rectangular pulses and hence it is near-far resistant.

Place, publisher, year, edition, pages
IEEE , 1998. 1650-1654 p.
Keyword [en]
Delay effects, Delay estimation, Direct-sequence code-division multiple access, Multiaccess communication, Multiple signal classification, Power control, Pulse shaping methods, Robustness, Shape, Signal processing algorithms
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-92550DOI: 10.1109/VETEC.1998.686570OAI: oai:DiVA.org:kth-92550DiVA: diva2:513573
Conference
48th IEEE Vehicular Technology Conference. VTC 98. 18-21 May 1998. Ottawa, Ont.
Note
NR 20140805Available from: 2012-04-02 Created: 2012-04-02 Last updated: 2012-04-02Bibliographically approved

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Ottersten, Björn

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