Routing in Vehicular Ad Hoc Network
Routing in Vehicular Ad Hoc Network
Outline a 1 Introduction 2 Fundamental issues a 3 Protocol classification a 4 Routing protocols a 5 Future Directions
Outline ◼ 1 Introduction ◼ 2 Fundamental Issues ◼ 3 Protocol Classification ◼ 4 Routing Protocols ◼ 5 Future Directions
1 Introduction 1.1 Overview 1.2 Communication standards 1, 3 Vehicular scenario 1. 4 Routing types 1.5 characteristics
1 Introduction 1.1 Overview 1.2 Communication Standards 1.3 Vehicular Scenario 1.4 Routing Types 1.5 Characteristics
1. 1 Overview VANET: Vehicular ad Hoc network Aim to compose vehicular self-organizing network for intelligent transportation system (ITs) Flexible rapid organization and no limitation of service provider and communication expense Application: traffic announce, P2P communication, collision warning, military uses, other communication
1.1 Overview ◼ VANET: Vehicular Ad Hoc Network ◼ Aim to compose vehicular self-organizing network for intelligent transportation system (ITS). ◼ Flexible rapid organization and no limitation of service provider and communication expense ◼ Application: traffic announce, P2P communication, collision warning, military uses, other communication
1.2 Communication standards Wireless access in vehicular Environments(WAVE) Include resource management applications safety and management packets, and the format of TCP/IP communication a Dedicated short Range Communications(DSRC) Define the format and standards of media Access Control ( MAC) and Physics layers
1.2 Communication Standards ◼ Wireless Access in Vehicular Environments (WAVE) ◼ Include resource management, applications safety and management packets, and the format of TCP/IP communication ◼ Dedicated Short Range Communications (DSRC) ◼ Define the format and standards of Media Access Control (MAC) and Physics layers
1.2 Communication standards Based on the technology of WAVE and dSRC a vehicle node can communicate with other vehicle nodes in the communication range which compose the communication links and the foundation of multi-hops routing in VANETS pplication Commercial or traffic announce, P2P communication, collision warning, other communication Routing Unicast, broadcast, geocast routing Link WAVE DSRC Physical Hardware equipment
1.2 Communication Standards ◼ Based on the technology of WAVE and DSRC, a vehicle node can communicate with other vehicle nodes in the communication range, which compose the communication links and the foundation of multi-hops routing in VANETs Application Commercial or traffic announce, P2P communication, collision warning, other communication Routing Unicast, broadcast, geocast routing Link WAVE, DSRC Physical Hardware equipment
1.3 Vehicular scenario Highway scenario 口2
1.3 Vehicular Scenario ◼ Highway scenario
1.3 Vehicular scenario City scenario 写只写百 dIS
1.3 Vehicular Scenario ◼ City scenario
1. 4 Routing Types Unicast Route a packet from a source vehicle to a destination vehicle a Broadcast Route a packet from a source vehicle to all the vehicles in the network Geocast Routing packets from a source to vehicles in a specific area
1.4 Routing Types ◼ Unicast ◼ Route a packet from a source vehicle to a destination vehicle ◼ Broadcast ◼ Route a packet from a source vehicle to all the vehicles in the network ◼ Geocast ◼ Routing packets from a source to vehicles in a specific area
1.5 Characteristics Specific mobility model Frequently changing topology No limitation in computing and energy Uneven distribution of vehicles Divided topology Geographical requirement
1.5 Characteristics ◼ Specific mobility model ◼ Frequently changing topology ◼ No limitation in computing and energy ◼ Uneven distribution of vehicles ◼ Divided topology ◼ Geographical requirement