Coordinated interleaving access scheme for IEEE 802.11p wireless vehicular networks

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Title:	Coordinated interleaving access scheme for IEEE 802.11p wireless vehicular networks
Authors:	吳中實;TSAI, Frank Chee-Da;WU, Jung-Shyr;SHEU, Shiann-Tsong;CHEN, Luwei;CHENG, Yen-Chieh
Contributors:	資訊電機學院通訊工程學系
Keywords:	Channels;DSRC;Emergencies;IEEE 802.11p;interleaving;Internet;multi-channel;Networks;Switching theory;Synchronism;Traffic flow;Transceivers;WAVE
Date:	2014-01-01
Issue Date:	2026-04-23 13:00:25 (UTC+8)
Publisher:	Maruzen Co., Ltd/Maruzen Kabushikikaisha;The Institute of Electronics, Information and Communication Engineers
Abstract:	摘要： The emerging Wireless Access in Vehicular Environment (WAVE) architecture, which aims to provide critical traffic information and Internet services, has recently been standardized in the IEEE 802.11p specification. A typical WAVE network consists of one road-side-unit (RSU) and one or more on-board-units (OBUs), wherein the RSU supports one control channel (CCH) and one or more service channels (SCH) for the OBUs to access. Generally, an OBU is equipped with a single transceiver and needs to periodically switch between the CCH and one of the SCHs in order to receive emergency messages and service information from the CCH and to deliver Internet traffic over an SCH. Synchronizing all OBUs to alternatively access the CCH and SCHs is estimated to waste as much as 50% of the channel's resources. To improve efficiency, we propose an innovative scheme, namely coordinated interleaving access (CIA) scheme, which optimizes the SCH throughput by smartly grouping the OBUs to let them access the CCH and SCHs in an interleaved and parallel manner. To further the capability of CIA scheme, an enhanced version is also proposed to handle the case where OBUs with multiple transceivers. Performance analysis and evaluation indicates that the proposed CIA scheme achieves a significant improvement in resource. Thus it can be advantageous to adapt it into the IEEE 802.11p protocol for its adoption in multi-channel wireless vehicular networks. 其他題名： IEICE Trans. Commun. 出版者： The Institute of Electronics, Information and Communication Engineers 出版日期： 2014 出處： IEICE Transactions on Communications, 2014/04/01, Vol.E97.B(4), pp.826-842 資源來源： Alma/SFX Local Collection 版權： 2014 The Institute of Electronics, Information and Communication Engineers 識別號： ISSN: 0916-8516 識別號： ISSN: 1745-1345 識別號： EISSN: 1745-1345 識別號： DOI: 10.1587/transcom.E97.B.826
Appears in Collections:	[Department of Communication Engineering] journal & Dissertation

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