Method, device and apparatus for controlling congestion window in internet of vehicles

A congestion window control apparatus for Internet of Vehicles comprising a plurality of on-board unit sets, comprising:

• a bandwidth requirement determination unit configured to determine a bandwidth requirement for each of the plurality of on-board unit sets;
• and
• a congestion window determination unit configured to determine a congestion window for each of the on-board unit sets according to the bandwidth requirements of respective sets of the plurality of on-board unit sets, wherein the congestion window corresponds to a bandwidth that can be assigned to the on-board unit, and
• each of the plurality of on-board unit sets correspond to one of a plurality of on-board unit types respectively wherein the on-board unit types include cluster-head on-board unit, non-cluster-head on-board unit and bandwidth-reserved on-board unit, wherein
• the cluster-head on-board unit and non-cluster-head on-board unit are on-board units which communicate with a current roadside unit, wherein the cluster-head on-board unit includes on-board unit which implements its own bandwidth application and forwards traffic of the non-cluster-head on-board unit and the non-cluster-head on-board unit only implements its own bandwidth application, and
• the bandwidth-reserved on-board unit is on-board unit which is connected to a neighbor roadside unit and is transmitting traffic.

A congestion window control device for Internet of Vehicles comprising a plurality of on-board unit sets, comprising:

• a memory configured to store computer-readable instructions, and
• a processor configured to process the computer-readable instructions stored in the memory, wherein, when processing the computer-readable instructions, the processer executes functions of:
• determining a bandwidth requirement for each of the plurality of on-board unit sets;
• and
• determining a congestion window for each of the on-board unit sets according to the bandwidth requirements of respective sets of the plurality of on-board unit sets, wherein the congestion window corresponds to a bandwidth that can be assigned to the on-board unit, and
• each of the plurality of on-board unit sets correspond to one of a plurality of on-board unit types respectively, the on-board unit types include cluster-head on-board unit non-cluster-head on-board unit and bandwidth-reserved on-board unit, wherein
• the cluster-head on-board unit and the non-cluster-head on-board unit are on-board units which communicate with a current roadside unit wherein the cluster-head on-board unit include on-board unit which implements its own bandwidth application and forwards traffic of the non-cluster-head on-board unit, and the non-cluster-head on-board unit only implements its own bandwidth application, and
• the bandwidth-reserved on-board unit is on-board unit which is connected to a neighbor roadside unit and is transmitting traffic.