Communication system
AssigneeNational Institute of Information and Communications Technology
InventorsToru OSUGA, Satoko ITAYA, Fumiko OHORI, Takeshi MATSUMURA
Life of this patent
Estimating the term…
Abstract
In a communication system, a controller that performs management at a center creates a control policy based on wireless environment information, such as a communication condition and a channel congestion rate, position information of mobile wireless equipment, and position information of an access point, a building, and a facility to wireless equipment moving while receiving a movement instruction and the like through a wireless communication like an AGV, and the mobile wireless equipment performs the wireless communication while switching a communication path according to the control policy.
Claims7
A communication system comprising:
- mobile wireless equipment mounted in a moving body, the mobile wireless equipment including wireless communication control means and data transmitting/receiving means, the mobile wireless equipment performing a data communication via a wireless network;
- a mobile wireless equipment management device that manages the mobile wireless equipment;
- and
- a controller that includes a wireless environment information management unit and first information policy transmitting/receiving means, the wireless environment information management unit managing wireless environment information on the wireless network, the first information policy transmitting/receiving means transmitting and receiving the wireless environment information on the wireless network and a control policy, the controller managing an entire management target area, wherein
- the mobile wireless equipment includes:
- position information measurement management means that measures position information of the mobile wireless equipment and manages the measured position information;
- and
- second information policy transmitting/receiving means that acquires the position information from the position information measurement management means at predetermined time intervals and/or every communication event of the mobile wireless equipment, and notifies the first information policy transmitting/receiving means of the
- the controller includes:
- a map information management unit that stores a facility layout map of the management area, and receives the position information of the mobile wireless equipment with the first information policy transmitting/receiving means and stores the position information of the mobile wireless equipment as a movement route map;
- and
- policy creating means that acquires the wireless environment information from the wireless environment information management unit, acquires the position information of the mobile wireless equipment from the information map information management unit, and creates the control policy based on the wireless environment information and the position information.
Dependencies are inferred from the claim text.