JP2531370B2 - Download method during synchronous operation - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a download system during synchronous operation used in a car telephone system or the like.

[0002]

2. Description of the Related Art Generally, in a car telephone system or the like, a base station control device is duplicated in order to ensure reliability of connection. Then, if there is a version upgrade of the software, it is necessary to update the stored file.
Japanese Patent Application Laid-Open No. 58-129566 discloses an example of a method for updating such a device. This is to store a new file in the standby system and transfer it to the act side when necessary.

[0003]

However, in such a conventional device, the process of storing a new file in the standby system needs to be manually performed and cannot be performed by remote control. The cracked one has a problem that the update is likely to be delayed.

As a method for solving such a problem, it is disclosed in Japanese Patent Laid-Open No. 57-58473 that a necessary file is downloaded through a wired line. During the downloading, the act system and the standby system are synchronized. Therefore, there is a problem that if the act system fails during the download in the standby system, for example, the standby system finishes downloading and the system goes down until it is released. The present invention has been made in view of such a situation, and an object of the present invention is to enable downloading while ensuring synchronous operation.

[0005]

In order to solve such a problem, the present invention provides a data storage area in a base station controller, and stores data having a slow transfer rate via a wired line in the data storage area. After the data transfer is completed, the data stored in the data storage area is transferred at high speed in the main storage device. In addition, the main memory is transferred asynchronously.
Transfer of a loaded load module to main memory
Speed transfer load module from maintenance monitoring equipment
The transfer speed is much faster than the actual transfer speed.

[0006]

[Operation] Synchronous operation is ensured during data transfer from the maintenance monitoring device via a wired line with a low transfer rate, and asynchronous operation is performed during data transfer in a device with a high data transfer rate. Since the data transfer time of can be set to a very short value, the probability that an act system failure will occur during that time and the system will be down becomes very small.

[0007]

FIG. 1 is a block diagram showing an embodiment of the present invention, in which a maintenance / monitoring device 1 is connected to a base station control device 2 by a wired line so that data can be transferred through the wired line. It is configured. The base station control device 2 includes a 0 system central processing unit 3, a 1 system central processing unit 4, a 0 system main storage device 5, a 1 system main storage device 6, a 0 system operating surface 7, a 1 system operating surface 8, and 0 system data storage. It has an area 9 and a 1-system data storage area 10.

In order to replace the load module, the load module is downloaded from the maintenance monitoring device 1 to the base station control device 2 during system operation. At this time, it is assumed that the 0 system of the base station control device 2 is the act system and the 1 system is the standby system.

The load modules downloaded from the maintenance monitoring device 1 during the synchronous operation are data storage areas 9 and 1.
It is stored in the system data storage area 10. The central processing unit is asynchronously operated at an arbitrary time after the transfer of the load module, and the load module is transferred from the 0 system data storage area 9 to the 1 system operation surface 8 which is the standby system, and the system of the central processing unit is switched. Then, system 1 becomes the act system and system 0 becomes the standby system. After that, the contents of the 1-system main storage device 6 are set to 0
After the transfer to the system main memory 5, the central processing unit is switched to the synchronous operation to complete the replacement of the load modules.

[0010]

As described above, according to the present invention, the data transmitted via the wired line is temporarily stored in the data storage area and then transferred to the portion for computer processing, so that the data transmission via the wired line is performed. The synchronous operation of the computer is ensured during the data transfer of the slow speed part, and even if the act system fails, the standby system can immediately operate, and the asynchronous operation after the data transmission via the wired line is completed. The data transfer is performed by switching to, but at this time the data transfer rate is sufficiently high because it is the data transfer inside the equipment, and if the synchronous operation is performed again after the data transfer inside the equipment is completed, the asynchronous operation period Since it is very short, there is an effect that the probability of a system down due to a device failure can be made very small.

[Brief description of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention.

[Explanation of symbols]

 1 Maintenance monitoring device 2 Base station control device 3, 4 Central processing device 5, 6 Main storage device 7, 8 Operation side 9, 10 Data storage area

Claims (2)

(57) [Claims] 1. A download method during synchronous operation, in which a load module is downloaded from a maintenance monitoring device via a wired line to a base station control device in which a central processing unit and a main storage device are duplicated in a car telephone system, A data storage area is provided in the base station control device, a load module is transferred from the maintenance monitoring device to the data storage area via a wired line, and the main storage device is asynchronously operated after the transfer of the load module. A download method during a synchronous operation, characterized in that a load module is transferred to a main memory device, and after the load module is transferred to the main memory device, the main memory device is returned to the synchronous operation. 2. The load module according to claim 1, wherein the main memory device is transferred asynchronously.
The transfer speed when transferring a tool to main memory is
Transfer speed when transferring the load module from the monitoring device
Synchronous rotation characterized by a speed much faster than
Inside download method.