Extended sliding frame R-Aloha: Medium access control (MAC) protocol for mobile networks

Rahman, Kazi Atiqur; Tepe, Kemal

doi:10.1016/j.adhoc.2012.01.009

Cited by 9 publications

(6 citation statements)

References 11 publications

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“…These protocols are also analyzed using discrete time Markov chain (DTMC) in [10]. The results with Markov modeling are taken from [10]. Figure 5 illustrates the normalized throughputs obtained from the Markov analysis and simulation considering the effect of the MHS problem.…”

Section: B Cesfra and Its Information Dissemination Mechanismmentioning

confidence: 99%

“…300 meters and 150 meters) to create the ARL problem. These protocols are also analyzed using discrete time Markov chain (DTMC) in [10]. The results with Markov modeling are taken from [10].…”

Section: B Cesfra and Its Information Dissemination Mechanismmentioning

confidence: 99%

“…According to ESFRA [10], any mobile station located at most three hops away from the sender is aware of the respective communication. This property of ESFRA can be used to disseminate the application data up to three hops.…”

Section: B Cesfra and Its Information Dissemination Mechanismmentioning

confidence: 99%

“…In this paper, we introduce a cross-layer design (CLD) approach by using network layer information in extended sliding frame reservation Aloha (ESFRA) [10]. This CLD approach mechanisms solve the MHS, ARL and congestion problems.…”

mentioning

confidence: 98%

“…CROSS-LAYER EXTENDED SLIDING FRAME RESERVATION ALOHA MAC PROTOCOL CESFRA is based on ESFRA, which has been proposed in [10] to solve MHS in V2V communications. Since some of the principles of CESFRA are similar to ESFRA, ESFRA is explained first.…”

mentioning

confidence: 99%

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Towards a cross-layer based MAC for smooth V2V and V2I communications for safety applications in DSRC/WAVE based systems

Rahman

Tepe

2014

2014 IEEE Intelligent Vehicles Symposium Proceedings

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The DSRC/WAVE system is standardized to disseminate safety critical information using IEEE 802.11p as a MAC protocol. Studies show that IEEE 802.11p does not address adverse effects of asymmetric radio link and mobility related problems in vehicle to vehicle (V2V) and vehicle to infrastructure (V2I) communications. This paper presents a cross-layer (i.e. MAC and network) algorithm to address these problems for making the V2V and V2I communications efficient and reliable. The analysis shows that the proposed cross-layer algorithm removes contention in channel accessing and confirms a better channel utilization. The solution can be used to disseminate information up to three hops without using a routing protocol. This is particularly important for extending range of safety critical and emergency related messages in the vehicular network.

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Section: B Cesfra and Its Information Dissemination Mechanismmentioning

confidence: 99%

Section: B Cesfra and Its Information Dissemination Mechanismmentioning

confidence: 99%

Section: B Cesfra and Its Information Dissemination Mechanismmentioning

confidence: 99%

mentioning

confidence: 98%

mentioning

confidence: 99%

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Towards a cross-layer based MAC for smooth V2V and V2I communications for safety applications in DSRC/WAVE based systems

Rahman

Tepe

2014

2014 IEEE Intelligent Vehicles Symposium Proceedings

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Colored scheduling scheme for fast and reliable beacon safety messages broadcast in vehicular ad‐hoc networks

Benaidja

2022

Int J Communication

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Summary The beacon transmission method in vehicular networks has to consider the mobility feature of vehicles and use the wireless channel more efficiently in order to broadcast safety‐related beacons with high reliability while respecting strict deadlines. The time division multiple access (TDMA) scheme has been proposed to improve the effectiveness of the IEEE 802.11p CSMA MAC protocol, but it is challenged with access and merging collisions caused by inefficient strategies in allocating time slots and mobile hidden terminal problems. In this paper, we propose colored velocity‐based TDMA (CVTDMA), an original colored scheduling scheme for the broadcast of safety beacons on the control channel. Based on vehicles speed and colors that it assigns to time slots according to their occupation statuses, it mitigates the mobility effect and maximizes the reuse of slots while avoiding collisions. The simulation results show that our protocol uses the wireless channel much more effectively than the default one defined in IEEE 802.11p.

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An Overview of WLAN Performance, Some Important Case-Scenarios and Their Associated Models

Larroca

Rodríguez

2014

Wireless Pers Commun

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Extended sliding frame R-Aloha: Medium access control (MAC) protocol for mobile networks

Cited by 9 publications

References 11 publications

Towards a cross-layer based MAC for smooth V2V and V2I communications for safety applications in DSRC/WAVE based systems

Towards a cross-layer based MAC for smooth V2V and V2I communications for safety applications in DSRC/WAVE based systems

Colored scheduling scheme for fast and reliable beacon safety messages broadcast in vehicular ad‐hoc networks

An Overview of WLAN Performance, Some Important Case-Scenarios and Their Associated Models

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