期刊
IEEE ACCESS
卷 7, 期 -, 页码 59600-59612出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2019.2914250
关键词
Vehicular ad-hoc networks; delay-constraint broadcast combined with resource reservation mechanism; test platform; OpenWrt boards
资金
- National Natural Science Foundation of China [61671080]
- Huawei Corporation
VANET broadcasting algorithm plays an important role in ensuring the reliability and speed of information interaction between vehicles. Recently, the multi-hop broadcast has become a promising direction. In this paper, we propose a multi-hop broadcasting algorithm called delay-constraint broadcast combined with resource reservation mechanism (DBCRRM) which can increase the packet delivery ratio (PDR) effectively. The proposed broadcasting algorithm can make use of the distance between the source node and receiving nodes to select the forwarding node and uses the resource reservation mechanism (RRM) to select the resource of timeslot and frequency. Meanwhile, the algorithm can ensure the delay in the permissible range. Due to the difficulty of the field test in VANET broadcasting algorithms, most VANET broadcasting algorithms are only evaluated by simulation but lack the results of field tests. To make up the deficiency, we design a field test platform for broadcasting algorithms in VANET, and practically test the delay-constraint broadcast (DB) and DBCRRM. Compared to the test results of two-hop broadcast and the one-hop broadcast, the DBCRRM and DB show the superiority and practicability.
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