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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 3/2014

01.08.2014

Variable Cyclic Prefix for Contention-Based Wireless Access in OFDM-Based Vehicular Communication Systems

verfasst von: Tin-Yu Wu, Alagan Anpalagan, Wei-Tsong Lee, Ya-Chun Li

Erschienen in: Wireless Personal Communications | Ausgabe 3/2014

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Abstract

In vehicular environment, signal transmissions face more challenges than in indoor wireless local area systems. In such an unpredictable communication environment, multipath fading causes high bit error rate, which leads to higher dropping probability of packets. In order to reduce the dropping probability of handshaking packets without increasing the infrastructure capability, we propose to modify the traditional cyclic prefix into a variable cyclic prefix (VCP) of request-to-send and clear-to-send frames. By reducing the handshaking packet error rates, we improve the contention ability in carrier sense multiple access with collision avoidance scheme in vehicle-to-infrastructure transmission. Suitable VCP time slots and dynamically adjustable VCPs are predicted based on the analysis of appropriate environmental parameters.
Vorheriger Artikel Load-Based Power Saving in IEEE 802.16j Multi-Hop Relay Networks
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Metadaten
Titel
Variable Cyclic Prefix for Contention-Based Wireless Access in OFDM-Based Vehicular Communication Systems
verfasst von
Tin-Yu Wu
Alagan Anpalagan
Wei-Tsong Lee
Ya-Chun Li
Publikationsdatum
01.08.2014
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 3/2014
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-014-1615-4

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