Autonomous vehicles (AVs) can operate more safely with vehicular communication technology. A Vehicle-to-Everything (V2X) communication application domain of particular interest is work zones, which may require significant amounts of information to fully describe their shapes and contents. However, existing V2X protocols are limited in how much data can be transmitted in a single packet. In this paper, we propose and evaluate the Multi-Packet Memo Protocol (MPMP), a V2X communication protocol for broadcasting long messages, called memos. MPMP can transmit up to 1 MB per memo and correctly assemble packets received in an out-of-order sequence. Multiple receivers can simultaneously begin receiving packets at different points in the sequence. Latency and reliability measurements show that long messages can be transmitted reliably with acceptable delays for safe CAV operations in work zones.
MPMP: A Protocol to Transmit Long Messages for V2X Applications
2024-10-07
510724 byte
Conference paper
Electronic Resource
English
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