Traffic Modeling and Performance Evaluation in Vehicle to Infrastructure 802.11p Network

Bouchemal, Naila; Naja, Rola; Tohmé, Samir

doi:10.1007/978-3-319-14225-8_6

Cited by 3 publications

(2 citation statements)

References 12 publications

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“…The IEEE 802.11p standard was established by modifying the present IEEE 802.11a to offer the QoS assurance for the VANET based app services related to SITS, route assistance services, driver's safety and assistance and speed control administration etc. The IEEE 802.11p operates on the 5.9 GHz bands and channel bandwidth of 10MHz [2]. The IEEE 802.11p adopts physical layer as association interface amid the MAC layer and the wireless links which work using OFDM (Orthogonal frequency division multiplexing) modulation.…”

Section: Introductionmentioning

confidence: 99%

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Selective MAC for Obstacle Aware CEV Environmental Model for V2V

B¹,

Tarannum²

2017

IJEECS

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Vehicular adhoc network (VANET) adopts or resembles a similar structure of Mobile adhoc network (MANET). The communication in VANET are generally classified into following three categories such as Vehicle to Infrastructure (V2I), Vehicle to Vehicle (V2V) and Hybrid network which is a combination of V2V and V2I network. VANET using the IEEE 802.11p standard has great potential of achieving objectives of Smart intelligent transport system (SITS) for improving transport and road safety efficiency. As more and more services is been provided for V2V based VANET network. It is a challenging task to provide QoS to end user, due to wireless medium that has limited channel availability for transmission. To guarantee QoS and provide efficient network performance, a prioritized MAC need to be designed. Many priority based MAC has been designed in recent times to improve the quality of data delivery to end user. However these do not consider the impact of environment and presence of obstacle which affects the signal attenuation at the receiver end and affecting the QoS of channel availability. To address, this work present an obstacle based radio propagation model, obstacle based CEV (City, Expressway and Village) environmental model and a selective MAC to provide QoS for different services. The proposed model efficiency is evaluated in term of throughput achieved per channel, Collison and success packet transmission. To evaluate the adaptive performance of proposed AMACexperiment are conducted under CEV environment and are compared with existing MAC NCCMA. The outcome achieved shows that the proposed model is efficient in term of reducing Collison, improving packet transmission and throughput performance considering two types of services.

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Section: Introductionmentioning

confidence: 99%

“…The OFDM offers channel contention access mechanism that allow devices to segment or slots the common channel [3]. The IEEE 802.11p is modulated using BPSK, QPSK, 16-QAM and 64-QAM modulation structures and the physical layer employs the 64 subcarriers and can be modulated under the constraints of channel quality [4].…”

Section: Introductionmentioning

confidence: 99%

Selective MAC for Obstacle Aware CEV Environmental Model for V2V

B¹,

Tarannum²

2017

IJEECS

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Testbed of V2X infrastructure for autonomous vehicles

Bouchemal

Kallel

2021

Ann. Telecommun.

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A Discrete-Time Markov Chain Based Comparison of the MAC Layer Performance of C-V2X Mode 4 and IEEE 802.11p

N.B.A.

Haapola

Samarasinghe

2021

IEEE Trans. Commun.

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Vehicle-to-vehicle (V2V) communication plays a pivotal role in intelligent transport systems (ITS) with cellularvehicle to everything (C-V2X) and IEEE 802.11p being the two competing enabling technologies. This paper presents multidimensional discrete-time Markov chain (DTMC) based models to study the medium access control (MAC) layer performance of the IEEE 802.11p standard and C-V2X Mode 4, considering periodic cooperative awareness messages (CAMs) and event-driven decentralized environmental notification messages (DENMs). Closed-form solutions for the models' steady-state probabilities are obtained, which are then utilized to derive expressions for several key performance metrics. Numerical results are provided to draw insights on the performance. In particular, a performance comparison between IEEE 802.11p and C-V2X Mode 4 in terms of the average delay, the collision probability, and the channel utilization is presented. The results show that IEEE 802.11p is superior in terms of average delay, whereas C-V2X Mode 4 excels in collision resolution. The paper also includes design insights on possible future MAC layer performance enhancements of both standards.

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Traffic Modeling and Performance Evaluation in Vehicle to Infrastructure 802.11p Network

Cited by 3 publications

References 12 publications

Selective MAC for Obstacle Aware CEV Environmental Model for V2V

Selective MAC for Obstacle Aware CEV Environmental Model for V2V

Testbed of V2X infrastructure for autonomous vehicles

A Discrete-Time Markov Chain Based Comparison of the MAC Layer Performance of C-V2X Mode 4 and IEEE 802.11p

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