This paper surveys the field of vehicle-to-vehicle (V2V) communication channels. Motivated by intelligent transportation systems and vehicular safety, V2V research has proliferated in recent years. We provide a short description of V2V communication systems, and the importance of key channel parameters. This is followed by a discussion of basic channel characteristics--the channel impulse response and channel transfer function, and their statistical description--and how V2V channels differ from the more familiar cellular radio channel. Modeling of the V2V channel is covered by a review of the literature on V2V channels, addressing path loss, delay spread, and Doppler spread. We describe the two most popular methods for modeling V2V channels, tapped-delay line models and geometry-based models, then briefly discuss multiple-antenna channels and the crucial V2V channel characteristic of non-stationarity. A potential channel classification scheme for V2V channels is given, and some recent results on the channel within parking garages, and on sloped terrain, are provided. We end the paper with a short discussion of what may come next in this vibrant field.
V2V Communication Channels: State of Knowledge, New Results, and What's Next
2013
21 Seiten
Aufsatz (Konferenz)
Englisch
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