Communication control device, wireless device, communication control system, communication control method, and computer-readable recording medium
A technology for wireless equipment and communication control, which is applied in wireless communication, transmission systems, security devices, etc., and can solve problems such as low cost of wireless LAN
Active Publication Date: 2020-12-11
ICOM INC
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Problems solved by technology
Each of these data communication technologies has its own advantages and disadvantages. For example, compared with wireless LAN, LTE radio waves cover a wider area, but wireless LAN is cheaper for high-speed communication.
Method used
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Embodiment approach
[0071] like figure 1 As shown, the communication control system 100 according to the embodiment of the present invention includes the communication control device 2 and two or more in-vehicle wireless devices 3 (3A to 3B). The communication control device 2 is connected to the vehicle-mounted wireless device 3 through a closed LTE network 4 , and an LTE server 1 is also connected to the LTE network 4 . Furthermore, the communication control device 2 and the in-vehicle wireless device 3 respectively constitute different LANs (Local Area Networks) 6 (6A-6C), and the communication terminals 5 (5A-5C) are connected to the respective LANs 6 (6A-6C).
[0072] The LTE side server 1 is a computer connected to the LTE network 4 . The LTE-side server 1 stores LTE identification numbers (ICCID: IC Card Identifier) of all in-vehicle wireless devices 3 managed by the user. In addition, the LTE side server 1 also stores the respective IP addresses of the communication control device 2 a...
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A communication control device (2) includes a correspondence table update unit (12) and a correction data packet transmission unit (13). The correspondence table updating unit (12) updates the correspondence table, which combines the address of the wireless equipment with the communication The identification numbers of the terminals are stored in correspondence with each other. The data packet received by the correction data packet transmission unit (13) from the second wireless device connected to the second communication terminal includes the address of the second wireless device, the identification number of the second communication terminal, and the In the case of the identification number of the destination of the data packet, when the identification number representing the destination is the identification number of the first communication terminal stored in the correspondence table, the data packet is sent to the first wireless device, and thereafter, the The modified data packet including the address of the second wireless device and the identification number of the second communication terminal is sent to the first wireless device.
Description
technical field [0001] The present invention relates to a communication control device, a wireless device, a communication control system, a communication control method, and a computer-readable recording medium. Background technique [0002] With the popularization of smartphones and tablet computers, mobile communication technologies such as LTE (Long Term Evolution, Long Term Evolution) and data communication technologies such as wireless LAN (Local Area Network, Local Area Network) are widely used. Each of these data communication technologies has its own advantages and disadvantages. For example, LTE has a wider coverage of radio waves than wireless LAN, but wireless LAN is cheaper for high-speed communication. [0003] For this reason, communication technologies combining various data communication technologies have also been developed in order to take advantage of their respective advantages. For example, patent document 1 discloses a technology that even if a commun...
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IPC IPC(8): H04W4/40H04M11/00H04W8/26H04W40/34H04W80/04H04L45/28H04L45/74H04W4/48
CPCH04L61/103H04L63/0846H04W4/48H04W4/40H04W40/24H04L45/74H04L45/742H04W76/25H04W76/11H04W12/065H04L2101/622H04M11/00H04W40/34H04W8/26H04L45/28H04L45/72
Inventor 川崎浩尾田雄马宫越克明
Owner ICOM INC