PIS (Passenger Information System) based remote wake-up method

A technology for remotely waking up and waking up devices, which is applied in the transmission system, long-distance connection/disconnection of sub-offices, and data exchange details. It can solve problems such as different configuration commands and usage methods, inconvenient field deployment, and broadcast storm networks, etc. Network utilization efficiency and the effect of avoiding network paralysis

Inactive Publication Date: 2015-05-13
TRANSCEND COMM BEIJING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the technology of remote wake-up is limited to the subnet. If you want to work in the cross-network mode, it mainly depends on the broadcast mechanism of the three-layer network equipment. However, there are two problems: one is that the broadcast method will affect the bu

Method used

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  • PIS (Passenger Information System) based remote wake-up method
  • PIS (Passenger Information System) based remote wake-up method
  • PIS (Passenger Information System) based remote wake-up method

Examples

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Embodiment Construction

[0029] The wake-up device in this application includes: a PIS system network management program applied to Windows, Linux and UNIX operating systems.

[0030] The server in this application refers to: the computer server entity that provides network services in each independent subnet that divides the broadcast domain, the operating system installed on it is one of Windows, Linux or Unix, and this type of equipment is turned on around the clock except for maintenance of.

[0031] The control machine in this application refers to any terminal device that is installed with a control program and allowed to access in the PIS system network.

[0032] The controlled device in this application refers to a network device that is equipped with a network card that supports WOL (Wakeup On Line) and has enabled the WOL function in the BIOS (Basic Input Output System); The "Allow this device to wake up the computer" option has been enabled in the power management of the network card prope...

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Abstract

The invention discloses a PIS (Passenger Information System) based remote wake-up method. The PIS based remote wake-up method comprises the following steps of maintaining the open or closed state which is consistent with a server through a wake-up device; obtaining the network information of a controlled device and the wake-up device through a control machine and sending the network information of the controlled device to the wake-up device; receiving the network information sent form the control machine by the wake-up device and sending a wake-up instruction to the controlled device according to the network information; performing real-time monitoring on the connection state of the controlled device and executing an execution result of the wake-up instruction according to the network information of the controlled device through the wake-up device and sending the execution result to the control machine. According to the PIS based remote wake-up method, the transfer between network segments is performed in an IP (Internet Protocol) unicast mode and accordingly the network paralysis which may be caused by IP broadcast is avoided and the information transmission is performed through a TCP (Transmission Control Protocol) which is reliable in connection orientation and accordingly the stability of the transmission is ensured and the security of the transmission is ensured.

Description

technical field [0001] The invention relates to a remote wake-up method based on a PIS system. Background technique [0002] The PIS system means that the subway operator uses mature and reliable network technology and multimedia transmission and display technology to display the specified information to the specified group of people at the specified time. This system is based on the computer system as the core, integrates multimedia network technology, and provides information services to passengers through the media of stations and on-board display terminals, so that passengers can take the rail transit safely and conveniently through the guidance of correct service information. [0003] Since the PIS system is composed of many center and station equipment, and the general equipment is distributed in the wide area of ​​the metropolitan area network or wide area network, and in order to save energy and reduce emissions, most of the equipment needs to be turned off at nigh...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/12
Inventor 王兆祎杨国文
Owner TRANSCEND COMM BEIJING
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