A dynamic network coding MAC protocol for power line communication

Roberto Massi Oliveira, Luiz Filipe Menezes Vieira, Marcos Augusto Menezes Vieira and Alex Borges Vieira ()
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Roberto Massi Oliveira: Universidade Federal de Juiz de Fora (UFJF)
Luiz Filipe Menezes Vieira: Universidade Federal de Minas Gerais (UFMG)
Marcos Augusto Menezes Vieira: Universidade Federal de Minas Gerais (UFMG)
Alex Borges Vieira: Universidade Federal de Juiz de Fora (UFJF)

Telecommunication Systems: Modelling, Analysis, Design and Management, 2021, vol. 77, issue 2, No 7, 359-375

Abstract: Abstract Recently, power line communication (PLC) is receiving attention from academic and industry researchers worldwide. In particular, PLC systems have been largely investigated as a medium for transmitting control signals, diagnostic information, or data measured by sensors in Smart Grid. However, PLC systems face several challenges, such as multipath effects and impulsive noise, which may degrade data communication performance. To surpass such issues we propose CodePLC, a dynamic network coding MAC protocol for PLC. CodePLC relies on a single, yet dynamically chosen, relay node. This node stores and forwards linear combinations of PLC frames, which are then combined on their final destinations. We have evaluated the performance of CodePLC through simulations in a PLC system based on a time division multiple access orthogonal frequency-division multiplexing scheme. Simulation results indicate that, in broadcast transmissions, CodePLC enhances system performance. When compared to a PLC system that does not consider the use of CodePLC, based on a stop&wait MAC layer protocol, our new protocol presents an average of 115% of goodput increase. Moreover, CodePLC reduces the average network buffers occupancy by 112%. Finally, our protocol is capable of reducing the mean end-to-end latency by 400%.

Keywords: PLC; Network code; Xor code (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s11235-021-00762-5

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