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Low Delay Inter-Packet Coding in Vehicular Networks

Department of Information Systems, St.-Petersburg University of Information Technologies, Mechanics and Optics, 197101 St.-Petersburg, Russia
Institute of Computer Science, University of Tartu, 50409 Tartu, Estonia
School of Information Technology, Halmstad University, 30118 Halmstad, Sweden
AstaZero Hällered, 50491 Sandhult, Sweden
Department of Electrical Engineering, Western Norway University of Applied Sciences, 5063 Bergen, Norway
Author to whom correspondence should be addressed.
Future Internet 2019, 11(10), 212;
Received: 13 August 2019 / Revised: 29 September 2019 / Accepted: 1 October 2019 / Published: 11 October 2019
In Cooperative Intelligent Transportation Systems (C-ITSs), vehicles need to wirelessly connect with Roadside units (RSUs) over limited durations when such point-to-point connections are possible. One example of such communications is the downloading of maps to the C-ITS vehicles. Another example occurs in the testing of C-ITS vehicles, where the tested vehicles upload trajectory records to the roadside units. Because of real-time requirements, and limited bandwidths, data are sent as User Datagram Protocol (UDP) packets. We propose an inter-packet error control coding scheme that improves the recovery of data when some of these packets are lost; we argue that the coding scheme has to be one of convolutional coding. We measure performance through the session averaged probability of successfully delivering groups of packets. We analyze two classes of convolution codes and propose a low-complexity decoding procedure suitable for network applications. We conclude that Reed–Solomon convolutional codes perform better than Wyner–Ash codes at the cost of higher complexity. We show this by simulation on the memoryless binary erasure channel (BEC) and channels with memory, and through simulations of the IEEE 802.11p DSRC/ITS-G5 network at the C-ITS test track AstaZero. View Full-Text
Keywords: V2X; C-ITS; IEEE 802.11p; error-correcting codes; convolutional codes; fading channels V2X; C-ITS; IEEE 802.11p; error-correcting codes; convolutional codes; fading channels
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MDPI and ACS Style

Bocharova, I.; Kudryashov, B.; Lyamin, N.; Frick, E.; Rabi, M.; Vinel, A. Low Delay Inter-Packet Coding in Vehicular Networks. Future Internet 2019, 11, 212.

AMA Style

Bocharova I, Kudryashov B, Lyamin N, Frick E, Rabi M, Vinel A. Low Delay Inter-Packet Coding in Vehicular Networks. Future Internet. 2019; 11(10):212.

Chicago/Turabian Style

Bocharova, Irina, Boris Kudryashov, Nikita Lyamin, Erik Frick, Maben Rabi, and Alexey Vinel. 2019. "Low Delay Inter-Packet Coding in Vehicular Networks" Future Internet 11, no. 10: 212.

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