A RACH Preamble Detection Scheme Using Variable Coherent Correlation Intervals for WCDMA Systems

A new random access channel (RACH) preamble detection scheme using variable coherent correlation intervals (CCIs) is proposed. It is shown first that it is enough to employ two CCIs for supporting a user equipment (UE) velocity of 300km/h, and then a CCI selection criterion is proposed. Computer sim...

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Veröffentlicht in:	IEICE Transactions on Communications 2009/10/01, Vol.E92.B(10), pp.3260-3262
Hauptverfasser:	SONG, Young Nam, JOO, Jung Suk
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Channels Coherence Computer simulation Correlation Criteria Exact sciences and technology Fading Intervals preamble detection RACH Random access Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) WCDMA systems
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Beschreibung
Zusammenfassung:	A new random access channel (RACH) preamble detection scheme using variable coherent correlation intervals (CCIs) is proposed. It is shown first that it is enough to employ two CCIs for supporting a user equipment (UE) velocity of 300km/h, and then a CCI selection criterion is proposed. Computer simulation results indicate that the proposed scheme can provide a robust detection performance in time-varying fading channel environments.
ISSN:	0916-8516 1745-1345 1745-1345
DOI:	10.1587/transcom.E92.B.3260