V2X ITS协议栈介绍.pdf

所需积分/C币:49 2019-07-19 17:15:21 1.25MB PDF
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详细介绍V2X ITS上层协议栈的构成,技术原理,欧美标准的区别等
Wireless Access for vehicular Environments Rationale What was the motivation behind a vehicle specific Wlan? What prevented the existing IEEE 802. 11-family from being adopted as is? Q∞QN0≤_oo m8of-ooso2o9 E:与o0 Deutsches zentrum DlR fur Luft- und Raumfahrt e V in der Helmholtz-Gemeinschaft Wireless Access for Vehicular Environments WAVE) Q∞QN0≤_oo EEE80211p+1609x+SAE2735 m8of-ooso2o9 Deutsches Zentrum Dlr fur Luft- und Raumfahrt e v in der Helmholtz-Gemeinschaft Wireless Access for vehicular Environments Overview No of ISO/OSI SAE J2735 layer ref model Data plane Management Plane WAVE EEE1609.1 Application e.g. Http Application Q∞QN0≤_oo (Resource Manager 4 Transport TCP/UDP WSMP 兰8 EEE16092 3 Network IPv6 Sm∽ 3> EEE1609.3 2b 802.2LLC Data Link MAC 2a WAVE MAC Management需 m8of-ooso2o9 WAVE Physical Layer 多9 EEE16094 EEE802.11p Physical Convergence Protocol (PL CP) PHY WAVE Physical Medium Management 030ms Dependent(PMD) 1609.1 Resource Manager 1609.2 Security Services 1609.3 Networking Services 1609. 4 Multi-channel operations Deutsches Zentrum Dlr fur Luft- und Raumfahrt e v in der Helmholtz-Gemeinschaft IEEE 802.11p Requirements Changes in baseline 802 1 1 standards are required to: 7 support longer ranges of operation(up to -1000 meters), Q∞QN0≤_oo the high speed of the vehicles (up -500 km/h relative velocities) z the extreme multipath environment(many reflections with long delays(up to-5 us max excess ) 7 the need for multiple overlapping ad-hoc networks to operate with extremely high quality of service, and m8of-ooso2o9 the nature of the automotive applications(e.g. reliable broadcast)to be supported Based on IEEE 802. 11p& tan( 2008) 么 Deutsches Zentrum fur Luft- und Raumfahrt ev Measurement and analysis of wireless channel n de Helmholtz Impairments in dsRc vehicular Communications Deutsches zentrum DlR fur Luft- und Raumfahrt e V in der Helmholtz-Gemeinschaft IEEE 802 11p Overview IEEE 802 1 1p is based on lEEE 802.1la Phy: ofdm modulation Q∞QN0≤_oo 7EEE 802.11 MAC: CSMA/Ca 7 EEE 802.1le MAC enhancement: message prioritization m8of-ooso2o9 Deutsches zentrum DlR fur Luft- und Raumfahrt e V in der Helmholtz-Gemeinschaft IEEE 802.11p Communication entities Communication between 7 roadside units and mobile radio units(Vehicle-2-Infrastructure) Q∞QN0≤_oo 7 mobile units(Vehicle-2-Vehicle),or portable units and mobile units(Vehicle-2-Pedestrian RoadsIde Unit(RSU iNfrastructure On-board unit( OBU) Portable Unit Roadside Units(RSUs 7 Gantries(e. g tolling gantries) RF signal in the direction of the m8of-ooso2o9 Poles, traffic lights, etc vehicle Vertice Antenna Pattem 7 Mobile/Portable equipment Based on IEEE 802. 11p 7 On-board Unit(OBU) Denso DsRc platform Deutsches zentrum DlR fur Luft- und Raumfahrt e V in der Helmholtz-Gemeinschaft IEEE 802.11p Vehicle-2-Pedestrian Communication between Vehicle- Vulnerable road users with DSRc Hhat's a person Q∞QN0≤_oo Pedestrian Repeater Pedestrian coming walkng vence on Icycle coming erice coming Bicycle! A ca enl m8of-ooso2o9 on nt erice comir A cary Dahab? ehicle Source coming Www. okL.col niche edestan coming crossing Deutsches Zentrum Dlr fur Luft- und Raumfahrt e v in der Helmholtz-Gemeinschaft lEE802.11p Pedestrian? IEEE 802. 11p dSRc module Q∞QN0≤_oo GPS receiver Regular GSM phone m8of-ooso2o9 Safety Mobile 15t WORLD CONG RESS Phone TS 2008 Deutsches Zentrum Dlr fur Luft- und Raumfahrt e v in der Helmholtz-Gemeinschaft

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renshangmumu 只是一些基本概念,对小菜有一点价值,对高手没有什么用。
2020-06-28
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justarzhu 不是最新的,可以了解下
2020-04-30
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FMA19 2008年的文档,主要介绍802.11p,对现有的国产C-V2X的借鉴意义有限
2019-11-21
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C-V2X的直连通信和DSRC在链路层以上都是兼容的,了解基于802.11p的ITS架构,有助于理解现在C-V2X协议栈
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