KR100222663B1 - Method for transmitting rate information using sms in wireless network - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a charging information transmission method using a single professional service.

2. The technical problem to be solved by the invention

The present invention transmits the billing information generated in the mobile communication switch to the message center in order to control the charge of the mobile public wireless terminal in an online manner, and then reprocesses the charging information generated by the mobile communication switch. To provide a charging information transmission method for transmitting the charging information from the mobile communication switch to the terminal.

3. Summary of Solution to Invention

According to the present invention, when the billing information is generated, the billing information transmission message is generated according to the specialized service data format and transmitted to the terminal through the omni-directional channel of the mobile communication network, and the billing information transmission message according to the billing information transmission message format. By deciphering and increasing the charges according to the contents or storing the change in charges and outputting them to the user, it is possible to deal with frequent charge changes in a short time without error and increase the reliability of the user. It can handle the matter, so the terminal can be easily controlled.

4. Important uses of the invention

Used to send billing information to the terminal.

Description

Method for transmitting rate information using SMS in wireless communication network {Method for transmitting rate information using SMS in wireless network}

The present invention relates to a billing information transmission method for transmitting billing information using a short message service (SMS) in a code division multiple access (CDMA) mobile communication network.

Among the services using the mobile communication method, terminals used for services for the general public, not individuals, are rental terminals and mobile public wireless telephones. A rental terminal using a smart card is a terminal that uses a smart card in a form in which a predetermined amount of money is purchased each time a smart card is used. The mobile public radio telephone is a telephone used for the general public by being installed in taxis, buses and railways, and it is expected that there will be much development along with the popularization of mobile communication.

The charging method of the lease terminal and the mobile public wireless telephone using the smart card is an off-line method in which charging is made separately from the current mobile phone system. This method may cause errors with the mobile phone system, and there is a problem in that it is very difficult to control the rate discount policy and international calls such as holidays and nights.

In order to solve the above problems, the present invention provides a code division multiple access (CDMA) after transmitting and reprocessing the charging information generated by the wireless communication switch to the message center in order to control the charge of the mobile public wireless telephone in an online manner. It is an object of the present invention to provide a charging information transmission method for transmitting charging information of a terminal from a wireless communication exchange to a terminal by using a single professional service (SMS) method such as a wireless communication network.

1 is an exemplary configuration diagram of a code division multiple access (CDMA) mobile communication network to which the present invention is applied.

2 is an exemplary view of a terminal to which the present invention is applied.

Figure 3 is an example of a terminal using a smart card to which the present invention is applied.

4 is a format diagram of a charging information transmission message according to the present invention;

5 is an explanatory diagram of a Teleservice Identifier of the present invention.

6 is a flowchart illustrating one embodiment of a charging information transmission method according to the present invention;

7 is a flowchart of an embodiment of a terminal according to the present invention;

8 is an explanatory diagram of a paging channel message of IS-95-A.

* Explanation of symbols for main parts of the drawings

11: public telecommunication network 12: message center

13 mobile communication switch 14 base station

15: terminal

In order to achieve the above object, the present invention provides a charging information transmission method applied to a wireless communication network, wherein when the charging information is generated, the wireless communication exchange transmits the charging information to a message center, and in the message center receiving the charging information, A first step of generating a charging information transmission message according to an SMS service format and transmitting the message to a terminal through an omnidirectional channel of a wireless communication network; A second step of, upon receipt of a billing information transmission message, decrypting the billing information according to a billing information transmission message format to increase the bill according to the contents or to store the billing history and output the contents to the user; And a third step of, when the terminal receives the charging information transmission message, transmitting the charging information reception completion message to the message center through a reverse channel of the wireless communication network.

Hereinafter, with reference to the accompanying drawings will be described an embodiment according to the present invention;

1 is an exemplary configuration diagram of a code division multiple access (CDMA) mobile communication network to which the present invention is applied. In the drawings, "11" is a public communication network, "12" is a message center, "13" is a mobile communication switch, and "14". Denotes a base station, and "15" denotes a terminal, respectively.

A configuration diagram for transmitting billing information from a mobile communication switch to a terminal using a short message service (SMS) of a code division multiple access method (CDMA) is as follows.

The message center (MC) 12 connects to the mobile communication switch 13 to perform a single-specialized service, and the mobile communication switch 13 connected to the public communication telephone network (PSTN) 11 After interworking with the message center 12, the billing information (frequency information) is processed according to the monolithic service format, and then transmitted to the terminal 15 through the base station controller (BSC) 14, and the subscriber terminal 15 receives charging information (frequency information) from the base station 14 and performs charging processing. That is, the MSC 13 transmits the first frequency increment information to the message center 12 at the same time as the start of the call. When the call is started, the MSC 13 transmits the frequency increase information to the message center MC 12 every hour. send. Then, the message center 12 reprocesses the frequency increase information received from the mobile communication exchange 13 into a single expert service (SMS) form based on the charging information transmission message format of FIG. 4 described later. 13) and the base station 14 to the terminal 15.

At this time, the base station 14 transmits the charging information to the terminal 15 by using a paging channel and a traffic channel 17, which are omnidirectional channels of a code division multiple access (CDMA) communication network. In particular, when using a paging channel, which is an omnidirectional channel of a code division multiple access type communication network, a terminal message (SMS) is used by using a data burst message as a data transmission message. To send.

Then, the terminal 15 determines whether or not the message has been received without error by using the access channel 16, which is a reverse channel of a code division multiple access (CDMA) mobile communication network, with the base station 14 and the mobile communication switch. Transfer to the message center 12 via the (13).

On the other hand, the mobile communication switch 13, unlike the typical single-service service (SMS) data transmission, since the terminal 15 is busy, it is not necessary to know the state of the channel and the terminal state, etc., it is just to transmit the frequency increase signal.

FIG. 2 is an exemplary view of a terminal to which the present invention is applied, in which, "21" is a mobile public radio telephone, "22" is a hands-free vehicle, "23" is a power supply unit, "24" is a speaker, " 25 represents a microphone, 26 represents an external antenna, and 27 represents a charge display.

Mobile public radio telephones are used for general public use in places where they are mounted on moving objects such as taxis, buses and railways or where no fixed landline network is installed. With the development of mobile telecommunications, the spread of mobile public wireless telephones is expected to spread rapidly, along with additional services and other application services. The mobile public wireless telephone displays the amount used by the user in the charge display unit, and the user pays it in cash.

When the mobile public wireless telephone 21 of the code division multiple access (CDMA) system is mounted on a vehicle, the mobile public wireless telephone supports the mobile public telephone together with the handsfree 22 for the vehicle, which enables a call (hands-free call) without using a handset. There is a speaker 24, a microphone 25, and an antenna 26 mounted outside the vehicle, and there is a power supply unit 23, which is a general direct current power source that supports power supply to these components. And, there is a charge display unit 27 for processing the call-related charges and display to the user.

3 is an exemplary view of a terminal using a smart card to which the present invention is applied. In the drawing, "31" is an antenna, "32" is a liquid crystal display, "33" is a keyboard, and "34" is a smart card mounting unit, respectively. Indicates.

The terminal having a smart card includes an antenna 31 attached to the terminal, a liquid crystal display (LCD) 32 for outputting a call state so that the user can know the state, a keyboard 33 for the user to input a telephone number, and A smart card mounting portion 34 into which a smart card can be inserted into the terminal is provided.

A smart card has a central processing unit, a memory and an input / output unit in a card-type semiconductor and can be used only by a user with a valid card. Smart cards that make calls using a contracted amount are also called prepaid cards.

4 is a format diagram of a billing information transmission message according to the present invention.

The character set proposed in the present invention refers to the International Organization for Standardization (ISO) 7-bit character set (ISO 646-1983E: ASCII). In the mobile communication exchange 13, the character set of the 7-bit most significant bit (MSB) is " 0 " "Is added to make one byte, and then transmitted to the terminal 15, and the charging terminal 15 removes and interprets" 0 "of the most significant bit.

The control code 41 is composed of 2 bytes, and transmits a power increase command to the charging terminal 15 and a charging history change state. The ASCII code consists of 7 bits, and the transmission is transmitted by one byte unit. Therefore, the mobile communication switch 13 adds a 0 to the most significant bit (MSB), and the charging terminal 15 removes it. And decrypt. At this time, the increase in frequency is indicated by the code '//' (2F), and the change in billing details is indicated by the code '-' (2D). Here, the code '/' and the code '-' use the International Organization for Standardization (ISO) 7-bit character set (ISO 646-1983E: ASCII).

The charging status code (Status) 42 is 2 bytes and consists of 2 digits, and transmits information such as a domestic call, an international call, a night discount and a holiday discount. "0" represents a general domestic single currency, "11" represents a night discount currency, "22" represents a holiday discount currency, and the remaining numbers are for international calls (classification by ITU-T classification). .

The time frequency 43 represents the time for one frequency related to the fare. Consists of 4 bytes, representing minutes (2 digits) and seconds (2 digits).

Ex) 1 degree: 0230 (2 minutes 30 seconds is the frequency)

The price frequency 44 represents an amount for the frequency related to the fee. It consists of 4 bytes and can represent up to 4 digits.

Example) 1 degree: 0100 (1 degree fee is 100 won)

5 is an explanatory diagram of a teleservice identifier of the present invention.

Among the specialized services, the method of distinguishing the billing information transmission message described in FIG. 4 uses an item reserved in the Teleservice Identifier defined in the data communication standard of the code division multiple access method.

6 is a flowchart illustrating an embodiment of a charging information transmission method according to the present invention.

First, the MSC 13 transmits a first frequency rate increase notification message to the message center 12 at the same time as the call is started, and when the first degree rate is increased during the call, it is sent to the message center 12. If there is a fee change, it transmits to the message center 12 (61). The message center 12 redefines the charging information notification message in accordance with the SMS data format and transmits the charging information transmission message to the mobile communication switch 13 (62).

The mobile communication exchange 13 receives the charging information transmission message and transmits it to the terminal 15 through the base station (BSC) 14 (63, 64). In this case, in the code division multiple access (CDMA) mobile communication networks 13 and 14, the charging information transmission message is transmitted using a paging channel or a traffic channel, which is a forward channel. To send.

When the terminal 15 receives the billing information transmission message, the terminal 15 decrypts the billing information transmission message according to the format of the billing information transmission message and increases the fee or stores the fee change history and outputs the fee to the user.

On the other hand, the terminal 15 transmits through the access channel (access cannel), which is the reverse channel of the code division multiple access (CDMA) mobile communication network (13, 14) in order to inform the message center 12 whether the charging information transmission message is correctly received. The charging information reception completion message is transmitted to the message center 12 (65, 66, 67).

7 is a flowchart illustrating an embodiment of a terminal according to the present invention.

Looking at the signal processing procedure of the terminal 15 for receiving the charging information as follows.

First, when the terminal 15 receives a message from the base station 14 through the paging channel, which is the omni-directional channel of the code division multiple access (CDMA) mobile communication network (71), it determines whether it is a single service (SMS) (72). . In this case, the terminal 15 recognizes a data transmission message (0000 burst) 00001001 and recognizes SMS data of a code division multiple access method.

As a result of determining whether the service is a single professional service, if it is not data transmission by a single professional service (SMS), processing is performed according to the paging channel message type shown in FIG. 8 (73). Recognizing the service identifier (Telservice identifier) presented in the to determine the charging information transmission message (74).

As a result of determining whether it is a billing information transmission message, if it is not a billing information transmission message, it performs a corresponding single professional service (SMS) such as a message transmission service, a living information service, and a VMS (voice mail system) according to a service identifier. In operation 75, the charging information transmission message is decoded into the charging information transmission message format defined in FIG. 4 to determine the type of the message according to the control information.

As a result of determining the type of the message, if the rate change message, the new rate change information is stored in the nonvolatile memory and output to the user through the display device (77). If the rate increase message, the rate is increased by one degree from the current rate and the display device is Output to the user through (78).

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains, and the above-described embodiments and accompanying It is not limited to the drawing.

In the present invention as described above, in order to control the charge of a mobile public wireless telephone or the like, the charging information generated by the wireless communication switch is transmitted to the message center and reprocessed, followed by a single specialized service such as a code division multiple access (CDMA) mobile communication network. By using the SMS method, the billing information of the terminal is transmitted from the wireless communication switch to the terminal, so that the rate change can be automatically performed, and the frequent rate change can be processed quickly and without error, thereby increasing the user's reliability. In addition, it is possible to easily control the mobile public wireless telephone and the charging terminal because it can handle the billing changes on-line.

Claims (9)

(correction) In the charging information transmission method applied to a wireless communication network, When the billing information is generated, the wireless communication exchange transmits the billing information to the message center, and in the message center receiving the billing information, the billing information transmission message is generated according to the SMS data format, and the omni-directional channel of the radio communication network is generated. A first step of transmitting to the terminal through; A second step of, upon receipt of a billing information transmission message, decrypting the billing information according to a billing information transmission message format to increase the bill according to the contents or to store the billing history and output the contents to the user; And The third step of transmitting, upon receipt of the charging information transmission message, the charging information reception completion message to the message center through a reverse channel of the wireless communication network; Billing information transmission method comprising a. (correction) The method of claim 1, The second step, A fourth step of determining, by the terminal, if the message is received through an omni-directional channel of the wireless communication network, whether the message is a short-term service (SMS); As a result of the determination of the fourth step, if the data is not transmitted by the SMS, the paging channel message command is processed. If the data is transmitted by the SMS, the service identifier is recognized. A fifth step of determining whether it is a charging information transmission message; As a result of the determination of the fifth step, if it is not the billing information transmission message, the corresponding single-service service (SMS) is performed according to the service identifier (teleservice identifier), and if the billing information transmission message is decoded into the billing information transmission message format to control information. Determining a type of message according to the sixth step; And As a result of the determination of the sixth step, if the rate change message, the new rate change information is stored and output to the user; if the rate increase message, the seventh step of increasing the rate of the predetermined amount from the current rate and outputting it to the user Billing information transmission method comprising a. (correction) The method of claim 2, The process of determining the fourth stage professional service (SMS), Recognizing a data burst message (00001001) is a billing information transmission method, characterized in that it is determined whether the code division multiple access type single-service (SMS). The method according to any one of claims 1 to 3, The forward channel is Billing information transmission method comprising a paging channel (paging channel). The method according to any one of claims 1 to 3, The forward channel is Billing information transmission method comprising a traffic channel (traffic channel). The method according to any one of claims 1 to 3, The reverse channel, Billing information transmission method comprising an access channel (access channel). (correction) The method according to any one of claims 1 to 3, The billing information transmission message, A control code for transmitting a frequency increase command and a billing history change state for the terminal; A charging status code indicating a status of charging information for the terminal; A time frequency representing time for the rate related frequency; And Billing information transmission method characterized in that it comprises a price frequency representing the amount of the fee-related frequency. (correction) The method according to any one of claims 1, 2, 3 or 7, The terminal, Billing information transmission method comprising a mobile public wireless telephone. (correction) The method according to any one of claims 1, 2, 3 or 7, The terminal, Billing information transmission method comprising a charging wireless telephone using a smart card.