Abstract
Vehicular networks, an enabling technology for Intelligent Transportation System (ITS), smart cities, and autonomous driving, can deliver numerous on-board data services, e.g., road-safety, easy navigation, traffic efficiency, comfort driving, infotainment, etc. Providing satisfactory Quality of Service (QoS) in vehicular networks, however, is a challenging task due to a number of limiting factors such as erroneous and congested wireless channels (due to high mobility or uncoordinated channel-access), increasingly fragmented and congested spectrum, hardware imperfections, and anticipated growth of vehicular communication devices. Therefore, it will be critical to allocate and utilize the available wireless network resources in an ultra-efficient manner. In this paper, we present a comprehensive survey on resource allocation schemes for the two dominant vehicular network technologies, e.g. Dedicated Short Range Communications (DSRC) and cellular based vehicular networks. We discuss the challenges and opportunities for resource allocations in modern vehicular networks and outline a number of promising future research directions.
Highlights
The prevalent vision is that vehicles will in the future be highly connected with the aid of ubiquitous wireless networks, anytime and anywhere, which is expected to lead to improved road safety, enhanced situational awareness, increased travel comfort, reduced traffic congestion, lower air pollution, and lower road infrastructure costs
We evaluated the performance of the proposed scheme by simulating an urban grid-type multi Road-Side Units (RSU) vehicular network
Network slicing (NS) is a new paradigm that has arisen in recent years which helps to create multiple logical networks on top of a common physical network substrate tailored to different types of data services and business operators [89], [90]
Summary
Providing satisfactory Quality of Service (QoS) in vehicular networks, is a challenging task due to a number of limiting factors such as erroneous and congested wireless channels (due to high mobility or uncoordinated channel-access), increasingly fragmented and congested spectrum, hardware imperfections, and anticipated growth of vehicular communication devices. It will be critical to allocate and utilize the available wireless network resources in an ultra-efficient manner. We present a comprehensive survey on resource allocation schemes for the two dominant vehicular network technologies, e.g. Dedicated Short Range Communications (DSRC) and cellular based vehicular networks. We discuss the challenges and opportunities for resource allocations in modern vehicular networks and outline a number of promising future research directions
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