Patent ID: 11870560
Assignee: ZHEJIANG LAB
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A geographical identification forwarding device for area-oriented addressing, which is applied to a SDN controller, comprising: a third receiver configured for receiving a roadside base station's self-geographic location information and coverage area information forwarded by a SDN switch; a generator configured for dividing geographical areas by using the geographical location information and the coverage area information, and generating a network flow table according to each divided geographical area with the method according to claim 5; a second sender configured for sending the network flow table to the SDN switch to trigger the SDN switch to receive the network flow table, matching a message with the network flow table, and forwarding the message according to matched flow table entries to the roadside base station corresponding to a request area, wherein the message is generated by the sender and forwarded through the roadside base station corresponding to the sender, and the message is broadcast by the roadside base station corresponding to a target addressing area and received by a receiver in the target addressing area, and the message comprises the geographical location information of the sender and the geographical location information of the target addressing area.