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A robust cell search algorithm for 3GPP LTE
Lund University.
2009 (English)In: 2009 European Wireless Conference, EW 2009, 2009, 303-307 p.Conference paper (Refereed)
Abstract [en]

Mobility handling and performance is of major importance for the 3GPP Long Term Evolution (LTE) system. Therefore it is important for mobile devices to use reliable and robust algorithms for the cell search procedure, i.e. the procedure to detect neighbouring cells that can be used as potential handover candidates. We present a novel, low complexity, robust cell search scheme for LTE. The scheme uses a non-coherent approach and is therefore robust against Doppler spread and phase shifts due to sampling time instant mismatch, which makes it suitable for use in synchronized LTE TDD systems, as well as in high speed scenarios like high speed trains. This paper describes the theory behind the algorithm, and simulation results for LTE TDD showing its superior performance over coherent cell search algorithms are also presented.

Place, publisher, year, edition, pages
2009. 303-307 p.
National Category
URN: urn:nbn:se:kth:diva-62168DOI: 10.1109/EW.2009.5357995ISBN: 978-1-4244-5935-3OAI: diva2:479901
2009 European Wireless Conference, EW 2009; Aalborg; 17 May 2009 through 20 May 2009
QC 20120221Available from: 2012-01-18 Created: 2012-01-18 Last updated: 2012-02-21Bibliographically approved

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Rydén, Tobias

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ReferencesLink to record
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