Efficient real-time coding-assisted heterogeneous data access in vehicular networks
Through the embedded processors and communication technologies, vehicles are increasingly being connected with the Internet of Things. Recently, much attentions have been paid to network-coding-assisted data broadcast in vehicular networks. However, majority of the works consider all the accessed da...
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| Format: | Journal Article |
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2018
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| Online Access: | https://hdl.handle.net/10356/89632 http://hdl.handle.net/10220/46335 |
| _version_ | 1811686332226863104 |
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| author | Ali, G. G. Md. Nawaz Noor-A-Rahim, Md. Rahman, Md. Ashiqur Samantha, Syeda Khairunnesa Chong, Peter Han Joo Guan, Yong Liang |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Ali, G. G. Md. Nawaz Noor-A-Rahim, Md. Rahman, Md. Ashiqur Samantha, Syeda Khairunnesa Chong, Peter Han Joo Guan, Yong Liang |
| author_sort | Ali, G. G. Md. Nawaz |
| collection | NTU |
| description | Through the embedded processors and communication technologies, vehicles are increasingly being connected with the Internet of Things. Recently, much attentions have been paid to network-coding-assisted data broadcast in vehicular networks. However, majority of the works consider all the accessed data items are the same size. In this work, we have studied the network coding-assisted heterogeneous on-demand real-time data access in vehicular networks. Firstly, we have investigated the less efficiency of conventional coding-assisted approach in accessing heterogeneous data items in real-time vehicular environment. Due to ignoring the impact of heterogeneous data items in decoding, the conventional coding does not achieve expected performance in accessing data items with diverse size. Secondly, based on our observations, for efficiently serving heterogeneous data items, we have proposed a dynamic threshold based coding-assisted real-time data broadcast approach called EDF. Thirdly, we have derived the probabilistic analysis of the system performance of the proposed approach and the state-of-the-art approaches. Fourthly, based on our further investigations, we have proposed another approach, called ISXD. The proposed network-coding-assisted ISXD exploits the different MCSs (Modulation and coding scheme) of IEEE 802.11p physical layer for leveraging the variable serving rate considering the dynamic positions of vehicles along with the vehicle mobility. The comprehensive simulation results demonstrate the efficacy of the proposed approaches over the state-of-the-art approaches in terms of improving the on-demand requests serving capability and reducing the system response time. |
| first_indexed | 2024-10-01T04:58:44Z |
| format | Journal Article |
| id | ntu-10356/89632 |
| institution | Nanyang Technological University |
| last_indexed | 2024-10-01T04:58:44Z |
| publishDate | 2018 |
| record_format | dspace |
| spelling | ntu-10356/896322020-03-07T13:56:08Z Efficient real-time coding-assisted heterogeneous data access in vehicular networks Ali, G. G. Md. Nawaz Noor-A-Rahim, Md. Rahman, Md. Ashiqur Samantha, Syeda Khairunnesa Chong, Peter Han Joo Guan, Yong Liang School of Electrical and Electronic Engineering Vehicle Dynamics Encoding DRNTU::Engineering::Electrical and electronic engineering Through the embedded processors and communication technologies, vehicles are increasingly being connected with the Internet of Things. Recently, much attentions have been paid to network-coding-assisted data broadcast in vehicular networks. However, majority of the works consider all the accessed data items are the same size. In this work, we have studied the network coding-assisted heterogeneous on-demand real-time data access in vehicular networks. Firstly, we have investigated the less efficiency of conventional coding-assisted approach in accessing heterogeneous data items in real-time vehicular environment. Due to ignoring the impact of heterogeneous data items in decoding, the conventional coding does not achieve expected performance in accessing data items with diverse size. Secondly, based on our observations, for efficiently serving heterogeneous data items, we have proposed a dynamic threshold based coding-assisted real-time data broadcast approach called EDF. Thirdly, we have derived the probabilistic analysis of the system performance of the proposed approach and the state-of-the-art approaches. Fourthly, based on our further investigations, we have proposed another approach, called ISXD. The proposed network-coding-assisted ISXD exploits the different MCSs (Modulation and coding scheme) of IEEE 802.11p physical layer for leveraging the variable serving rate considering the dynamic positions of vehicles along with the vehicle mobility. The comprehensive simulation results demonstrate the efficacy of the proposed approaches over the state-of-the-art approaches in terms of improving the on-demand requests serving capability and reducing the system response time. Accepted version 2018-10-16T05:36:25Z 2019-12-06T17:29:55Z 2018-10-16T05:36:25Z 2019-12-06T17:29:55Z 2018 Journal Article Ali, G. G. M. N., Noor-A-Rahim, M., Rahman, M. A., Samantha, S. K., Chong, P. H. J., & Guan, Y. L. Efficient real-time coding-assisted heterogeneous data access in vehicular networks. IEEE Internet of Things Journal, 1-1. doi:10.1109/JIOT.2018.2830315 https://hdl.handle.net/10356/89632 http://hdl.handle.net/10220/46335 10.1109/JIOT.2018.2830315 IEEE Internet of Things Journal © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: [http://dx.doi.org/10.1109/JIOT.2018.2830315]. 11 p. application/pdf |
| spellingShingle | Vehicle Dynamics Encoding DRNTU::Engineering::Electrical and electronic engineering Ali, G. G. Md. Nawaz Noor-A-Rahim, Md. Rahman, Md. Ashiqur Samantha, Syeda Khairunnesa Chong, Peter Han Joo Guan, Yong Liang Efficient real-time coding-assisted heterogeneous data access in vehicular networks |
| title | Efficient real-time coding-assisted heterogeneous data access in vehicular networks |
| title_full | Efficient real-time coding-assisted heterogeneous data access in vehicular networks |
| title_fullStr | Efficient real-time coding-assisted heterogeneous data access in vehicular networks |
| title_full_unstemmed | Efficient real-time coding-assisted heterogeneous data access in vehicular networks |
| title_short | Efficient real-time coding-assisted heterogeneous data access in vehicular networks |
| title_sort | efficient real time coding assisted heterogeneous data access in vehicular networks |
| topic | Vehicle Dynamics Encoding DRNTU::Engineering::Electrical and electronic engineering |
| url | https://hdl.handle.net/10356/89632 http://hdl.handle.net/10220/46335 |
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