A Cooperative Communication Protocol for QoS Provisioning in IEEE 802.11p/Wave Vehicular Networks

Kim, Jin-Woo; Kim, Jae-Wan; Jeon, Dong-Keun

doi:10.3390/s18113622

Cited by 19 publications

(9 citation statements)

References 42 publications

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“…The WAVE architecture has seven channel divisions, each with 10 MHz, and 5 MHz is kept aside for future use as backup [17]. One of these channel divisions is reserved for safety applications through control channels (CCH), and the rest are for safety and non-safety applications through service channels (SCHs).…”

Section: Dsrc-based Networkmentioning

confidence: 99%

An Analysis on Contemporary MAC Layer Protocols in Vehicular Networks: State-of-the-Art and Future Directions

et al. 2021

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Traffic density around the globe is increasing on a day-to-day basis, resulting in more accidents, congestion, and pollution. The dynamic vehicular environment induces challenges in designing an efficient and reliable protocol for communication. Timely delivery of safety and non-safety messages is necessary for traffic congestion control and for avoiding road mishaps. For efficient resource sharing and optimized channel utilization, the media access control (MAC) protocol plays a vital role. An efficient MAC protocol design can provide fair channel access and can delay constraint safety message dissemination, improving road safety. This paper reviews the applications, characteristics, and challenges faced in the design of MAC protocols. A classification of the MAC protocol is presented based on contention mechanisms and channel access. The classification based on contention is oriented as contention-based, contention-free, and hybrid, whereas the classification based on channel access is categorized as distributed, centralized, cluster-based, cooperative, token-based, and random access. These are further sub-classified as single-channel and multi-channel, based on the type of channel resources they utilize. This paper gives an analysis of the objectives, mechanisms, advantages/disadvantages, and simulators used in specified protocols. Finally, the paper concludes with a discussion on the future scope and open challenges for improving the MAC protocol design.

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Section: Dsrc-based Networkmentioning

confidence: 99%

An Analysis on Contemporary MAC Layer Protocols in Vehicular Networks: State-of-the-Art and Future Directions

et al. 2021

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“…Multi-channel communications can be realized by switching one half-duplex transceiver to the sensed channels or employing multiple half-duplex transceivers to monitor different channels at the same time. The WAVE standard divides the frequency band into seven 10 MHz channels and reserve 5 MHz band for backup use [ 36 ]. One channel serves as the CCH, and is used for exchanging safety-based applications and management information.…”

Section: Spectrum Allocation For Vanetsmentioning

confidence: 99%

Review of MAC Protocols for Vehicular Ad Hoc Networks

Liu

Luo

et al. 2020

Sensors

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Vehicular ad hoc networks (VANETs) need to support the timely end-to-end transmissions of safety and non-safety messages. Medium access control (MAC) protocols can ensure fair and efficient sharing of channel resources among multiple vehicles for VANETs, which can provide timely packet transmissions and significantly improve road safety. In this paper, we review the standards of some countries for VANETs. Then, we divide the MAC protocols proposed for VANETs into single-channel MAC protocols and multi-channel MAC protocols according to the number of physical occupied spectrum resources. Both are further discussed based on their hierarchical structures, i.e., distributed and centralized structures. General design and optimization mechanisms of these commonly used MAC protocols for VANETs are reviewed. From the viewpoint of 7 aspects, we compare the advantages and disadvantages of these typical MAC protocols. Finally, we discuss the open issues to improve the MAC performance and future work on MAC design for VANETs.

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“…• The CA services are based on periodically broadcast messages that contain information about the position, the velocity, the acceleration, and the size of the transmitting vehicle [4]. Examples of such messages are Basic Safety Messages (BSMs) [5] used in the USA, and Cooperative Awareness Messages (CAMs) [6] used in the EU.…”

Section: Introductionmentioning

confidence: 99%

A Study of Channel Bonding in IEEE 802.11bd Networks

2022

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In recent years, Vehicle-To-Everything (V2X) applications have been actively developing, and the Quality of Service (QoS) requirements are becoming more stringent. To support V2X applications, IEEE developed the IEEE 802.11p standard in 2010. However, systems based on this standard fail to fulfill requirements on very low frame transmission delay and packet loss ratio imposed by modern V2X applications, such as applications for autonomous driving and platooning. To satisfy new requirements, IEEE has launched a new IEEE 802.11bd project to design the next generation of IEEE 802.11p. An important feature of IEEE 802.11bd is the channel bonding technique, which allows transmitting data in two adjacent channels simultaneously. Thus, it increases data rates and may reduce delays and packet loss ratio. The current version of IEEE 802.11bd specifies two channel bonding techniques, which differ from that used in modern Wi-Fi networks. This work evaluates the performance of the three aforementioned techniques from the IEEE 802.11 family of standards considering frame transmission delays and packet loss ratio. With rigorous simulations, it is shown that, in most cases, the channel bonding techniques highly decrease the percentage of both IEEE 802.11bd and legacy stations with unsatisfied QoS requirements on delays and packet loss ratio. Unfortunately, sometimes, the IEEE 802.11bd channel bonding techniques significantly worsen performance. Moreover, the work highlights that the choice of the primary channel for channel bonding techniques significantly affects the network performance. As a result, the paper provides a recommendation for selecting both the most suitable channel access method and primary channel.

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A Cooperative Communication Protocol for QoS Provisioning in IEEE 802.11p/Wave Vehicular Networks

Cited by 19 publications

References 42 publications

An Analysis on Contemporary MAC Layer Protocols in Vehicular Networks: State-of-the-Art and Future Directions

An Analysis on Contemporary MAC Layer Protocols in Vehicular Networks: State-of-the-Art and Future Directions

Review of MAC Protocols for Vehicular Ad Hoc Networks

A Study of Channel Bonding in IEEE 802.11bd Networks

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