Research Article

Adaptive Configuration of Mobile Roadside Units for the Cost-Effective Vehicular Communication Infrastructure

Table 4

Notations for the adaptive state determination of mRSUs.

NotationDescription

The set of all the neighboring vehicles of mRSU

The set of all the associated vehicles of mRSU ;

The set of all the neighboring vehicles of mRSU which are not associated with any mRSUs;

The mRSU bloom filter of vehicle

The set of the neighboring mRSUs of mRSU

The set of the mRSUs included in

The set of the mRSUs included in both and ;

The threshold used for the state change from ON to OFF

The number of vehicles that can be additionally associated with mRSU ; the remaining capacity of ;

The set of ’s of the neighboring mRSU ’s of mRSU

The transferability of vehicle to a new mRSU from mRSU in the case that changes its state to OFF;

The threshold for determining the value of

The parameter controlling the probability of an OFF-state mRSU to become the ON-state; is a positive integer; the larger is, the higher the probability is

The broadcast period of the mR_INFO message

The time spent for association;

The broadcast period of the mR_SA message;

The broadcast period of the V_INFO message;

The start time of the ON or OFF state