Optimize the Communication Cost of 5G Internet of Vehicles through Coherent Beamforming Technology

Table 1

Notations.

Notation	Description
	One of the CB-nodes
	One group of CB-nodes that collaborate for a transmission
	The radius of the vehicle broadcast
	The radius of the CB-node broadcast
	The vehicle’s transmitting data rate to for the set at time
	The transmitting data rate from the set to the edge server at time
	The speed of the vehicle at time
	The distance between the vehicle and at time
	The distance between and the edge server
	The number of CB-nodes that is needed in transmission at time
	The signal-to-noise ratio (SINR) from the vehicle to for the set at time
	The sum of SINR from all in to send data to the edge server at time
	The pass loss index
	Transmitting power of CB-node sending data to edge server
	The power of the vehicle broadcasting data to the roadside CB-node
	Bandwidth
	White Gaussian noise power
	The amount of data to be unloaded when the vehicle passes through this section of road