g. , radar or sensors and, thus, R programming help improve road site visitors safety and efficiency. This paper surveys IVC with recognize R programming help key allowing technologies starting from physical radio frequency R programming help group verbal exchange primitives and safety issues. The mobility models used R programming help examine R programming assignment feasibility of these technologies also are in brief defined. We center around R programming assignment discussion of plenty of MAC protocols that appear R programming help be crucial components in R programming assignment community protocol stack of IVC. By inspecting R programming task application requirements and R programming task protocols built upon R programming project MAC layer R programming help meet these necessities, we also suggest our angle that ad hoc routing protocols and group communication primitives migrated from wired networks will not be an effective way R programming help support R programming task anticipated purposes, and that new coordination algorithms instantly in response to MAC may be designed for this purpose.