KR101215820B1 - Mobile communication terminal and method of driving a transaction timer - Google Patents
Mobile communication terminal and method of driving a transaction timer Download PDFInfo
- Publication number
- KR101215820B1 KR101215820B1 KR1020060117570A KR20060117570A KR101215820B1 KR 101215820 B1 KR101215820 B1 KR 101215820B1 KR 1020060117570 A KR1020060117570 A KR 1020060117570A KR 20060117570 A KR20060117570 A KR 20060117570A KR 101215820 B1 KR101215820 B1 KR 101215820B1
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- imps
- timer
- request message
- server
- mobile communication
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Abstract
Disclosed are a mobile communication terminal and a method of driving a transaction timer of a mobile communication terminal. In a method of driving a transaction timer of a mobile communication terminal according to an embodiment of the present invention, an IMPS (Instant Messaging and Presence Services) request message is divided and transmitted to an IMPS server, and at the same time operating a timer and an IMPS within an expiration time of a timer. And upon receiving any one response message corresponding to the divided IMPS request message from the server, resetting the timer to restart counting.
Timer, mobile phone, IMPS, SMS, client, server
Description
1 is a block diagram showing the configuration of an IMPS system to which the present invention is applied;
2 is a block diagram showing the configuration of a mobile communication terminal according to an embodiment of the present invention;
3 is a flowchart provided to explain a transaction timer driving method of a mobile communication terminal according to an embodiment of the present invention;
4 illustrates the format of an IMPS message, and
5 is a diagram illustrating the operation of a timer upon receiving each response message after the IMPS request message is divided into three parts.
Brief description of the main parts of the drawing
10: Short Message Service Center
20: Instant Messaging and Presence Services (IMPS) server
200: mobile communication terminal
The present invention relates to a mobile communication terminal and a transaction timer driving method of the mobile communication terminal.
Instant Messaging Presence Services (IMPS) is a new technology for communication based on the Internet. It is used to exchange messages and presence information between mobile devices, mobile communication services and Internet-based instant messaging services. .
The IMPS system includes a client mounted on a specific device to implement an IMPS service, and a server that connects sessions with the clients to control status information and instant messages to be transmitted to the client.
According to the OMA IMPS specification, a client must send an IMPS request message to a server and simultaneously start a transaction timer and receive an IMPS response message from the server within 20 seconds of the transaction timer operation.
If no IMPS response message was received from the server within 20 seconds after the transaction timer operation, the client had to resend the IMPS request message to the server.
GPRS or SMS transmission scheme is used for communication between client and server for IMPS service. When using SMS, the client divides the message when one IMPS message exceeds 160 characters (the maximum SMS transmission length), and each divided IMPS message is processed by the SMSC (Short Message Service Center). To the server via).
At this time, the server should send an IMPS response message to the client for each divided IMPS request message. At this time, when one IMPS request message is divided into several IMPS request messages and transmitted to the server, the client sends each response message for the IMPS request message divided from the server to a time defined in the OMA IMPS specification, that is, a transaction. There was a problem not receiving within 20 seconds after the timer operation.
Indeed, even if the server receives the first IMPS request message that is split, a second or later split message may be waiting to be sent in the SMSC. After 20 seconds after the transaction timer is activated, the client determines that IMPS message transmission has failed and resends the IMPS message. This causes the SMSC to experience a vicious cycle in which the number of queued messages is increased. There was a case.
Accordingly, the technical problem to be achieved by the present invention is to reduce unnecessary transaction timeout by resetting the transaction timer every time a client sends a divided IMPS request message and then receives any IMPS response message from the server. It is to provide a transaction timer driving method and a mobile communication terminal of a mobile communication terminal.
The technical objects to be achieved by the present invention are not limited to the technical matters mentioned above, and other technical subjects which are not mentioned can be clearly understood by those skilled in the art from the following description. There will be.
In accordance with an aspect of the present invention, there is provided a method for driving a transaction timer of a mobile communication terminal, the method comprising: splitting an IMPS request message and transmitting the IMPS server to an IMPS server and simultaneously operating a timer; And receiving a response message corresponding to the divided IMPS request message from the IMPS server within the expiration time of the timer, resetting the timer to restart counting.
The divided IMPS request message belongs to the maximum transmission standard of SMS and is transmitted to the IMPS server via a Short Message Service Center (SMSC).
If the response message is not received from the IMPS server within the expiration time of the timer, the IMPS request message is retransmitted to the IMPS server.
When all response messages corresponding to the divided IMPS request messages are received from the IMPS server, the timer is stopped.
The mobile communication terminal according to an embodiment of the present invention includes a timer unit; A wireless transceiver; Splitting an Instant Messaging and Presence Services (IMPS) request message to the IMPS server through the wireless transceiver, simultaneously operating the timer, and responding to the split IMPS request message from the IMPS server within the expiration time of the timer. And a control unit which controls to restart the counting unit by restarting the counting unit upon receiving any one response message.
The controller divides the IMPS request message so that the IMPS request message belongs to the SMS maximum transmission standard.
If the control unit does not receive a response message from the IMPS server within the expiration time of the timer unit, the controller retransmits the IMPS request message to the IMPS server through the wireless transceiver.
When the controller receives all the response messages corresponding to the divided IMPS request message from the IMPS server, the controller stops the operation of the timer.
The expiration time of the timer unit is 20 seconds, and when 20 seconds have passed since the start of counting, the timer unit notifies the controller that the expiration time has elapsed.
Hereinafter, with reference to the accompanying drawings illustrating the present invention.
1 is a block diagram showing the configuration of an IMPS system to which the present invention is applied.
Referring to FIG. 1, the
The IMPS
IMPS is used to exchange messages and presence information between Internet-based instant messaging services. In other words, the two biggest features of IMPS are state services and instant messaging services.
The status service provides the status of the IMPS client, the status of the user, and the management of a list of registered users. The instant messaging service provides instant messaging, including text, video, pictures, and sound, to specific clients or other instant messaging. Allows you to send or receive to users of the system.
In this embodiment, the
2 is a block diagram showing the configuration of a mobile communication terminal according to an embodiment of the present invention.
Referring to FIG. 2, the
The
The
The
When the IMPS request message to be transmitted by the SMS method exceeds the maximum transmission standard (ex: 160 characters) of the SMS, the
In addition, when the response message corresponding to the split message is received within 20 seconds after the transmission of the split message from the
When all the response messages corresponding to the split message are not received, the
Meanwhile, if no response message is received within 20 seconds from the initial driving time of the
The
The
The
The
The
In addition, although not shown in the drawings, a camera module unit (not shown) for photographing a specific subject may be further included.
3 is a flowchart provided to explain a transaction timer driving method of a mobile communication terminal according to an embodiment of the present invention.
In the present embodiment, it is assumed that the IMPS request message transmitted by the
Referring to FIG. 3, first, the
That is, if the maximum length of the IMPS request message to be transmitted by the
4 illustrates the format of an IMPS message.
Referring to FIG. 4, the
The
The
Among these, 'ac' indicates the first message among the three divided messages, and 'cc' indicates the third message among the three divided messages. Similarly, 'bc' indicates that it is the second message among the three divided messages.
The
The
If the response message is not received within 20 seconds (S340: N), the
When a response message is received from the
When all the response messages to the divided IMPS request message are not received (S360: N), the
On the contrary, when all the response messages for the divided IMPS request message are received (S360: Y), the
FIG. 5 is a diagram illustrating an operation of a timer unit when receiving an IMPS request message in three parts and receiving each response message thereto. FIG.
Referring to FIG. 5, the
In this embodiment, the IMPS request message is divided into three and transmitted by SMS. First, when receiving a response message (1 of 3) for the first split message from the
Subsequently, when the response message 2 of 3 in response to the second split message is received from the
Finally, when receiving the response message (3 of 3) for the third split message, all the response messages for the divided IMPS request message has been received, the
In the present embodiment, the example in which the response messages arrive in the order in which the IMPS request messages are divided has been described, but the arrival order of the response messages may not match the split order.
In the above-described embodiment, the case in which the response message is received within 20 seconds after the
In the above description of the preferred embodiment of the present invention, the present invention is not limited to the above-described specific embodiment, it is common in the art to which the invention belongs without departing from the spirit of the invention claimed in the claims. Various modifications can be made by those skilled in the art, and such changes are within the scope of the claims.
As described above, according to an embodiment of the present invention, when the response message for the IMPS request message is divided into multiple pieces, it is possible to prevent the setting time of the transaction timer from being expired due to network problems. Accordingly, there is an advantage that can reduce the retransmission of the IMPS request message.
Claims (10)
Priority Applications (1)
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KR1020060117570A KR101215820B1 (en) | 2006-11-27 | 2006-11-27 | Mobile communication terminal and method of driving a transaction timer |
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KR1020060117570A KR101215820B1 (en) | 2006-11-27 | 2006-11-27 | Mobile communication terminal and method of driving a transaction timer |
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KR20080047734A KR20080047734A (en) | 2008-05-30 |
KR101215820B1 true KR101215820B1 (en) | 2012-12-26 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002527941A (en) | 1998-10-06 | 2002-08-27 | ノキア ネットワークス オサケ ユキチュア | Resource discovery method and apparatus using multicast range |
US20040152450A1 (en) | 2002-12-24 | 2004-08-05 | Alexander Kouznetsov | Internet-based messaging system |
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2006
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002527941A (en) | 1998-10-06 | 2002-08-27 | ノキア ネットワークス オサケ ユキチュア | Resource discovery method and apparatus using multicast range |
US20040152450A1 (en) | 2002-12-24 | 2004-08-05 | Alexander Kouznetsov | Internet-based messaging system |
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