TWI577227B - Method of setting cell broadcast service function of user equipment - Google Patents

Description

Method of setting a cell broadcast service function in a user device

The present invention relates to a method for setting a cell broadcast service function in a user device, and more particularly to a method for setting a cell broadcast service function in a user device according to a cell broadcast service support status of a network service provider.

A cell broadcast service (CBS) service and a short message service are information broadcast services provided by a wireless network system. Compared with the point-to-point transmission mode of SMS messages, a cell broadcast message (CBM) is a base transceiver station (BTS) for all user equipments that open CBS functions in a designated wireless network. UE), a broadcast message sent according to a specific channel and number of times. The coverage of the CBS can be flexibly adjusted, and the network addressable area can be at least a communication cell, and can cover the entire public land mobile network (PLMN). Cell broadcast services can provide different types of broadcast content, such as business announcements, weather forecasts, traffic quotes, international and domestic news, emergencies, stock market quotes, or corporate advertising.

A Subscriber Identity Module (SIM) card is a smart card used to store user identification data for mobile phone services. It can also be used to store SMS messages and phone numbers. In terms of external hardware, the SIM card is controlled by the central processing unit. (central process unit, CPU), read-only memory (ROM), random access memory (RAM), electronic erasable programmable read memory (electrically erasable programmable read -only memory, EEPROM) and input/output (I/O) circuits. In terms of internal data, the SIM card adopts a hierarchical logical data structure, which includes three types: elementary file (EF), dedicated file (DF), and master file (MF). data of.

If the user turns on the CBS function of the user device, the basic file related to the CBS function of the SIM card is read during the boot process to know which channels to broadcast the CBM. If the user goes to another country and there is no network service provider in the country to provide CBS, then the prior art user device will still periodically listen to whether the CBM is transmitted, thus wasting network resources and increasing energy consumption.

The present invention provides a method for setting a cell broadcast service function in a user device, which comprises storing a data of a cell broadcast service support status including a plurality of network service providers into a user device; The user device registers with a first network service provider of the plurality of network service providers to a network; in the current boot process, the user device reads the database to obtain the first network. a first cell broadcast service support status of the service provider; and turning on or off one of the cell broadcast service functions of the user device according to the first cell broadcast service support status.

100~190‧‧‧Steps

FIG. 1 is a flow chart of a method for setting a CBS function in a user device according to an embodiment of the present invention.

The invention provides a method for setting a CBS function in a user device, which can be applied to different types of user devices, including a mobile phone, a personal digital assistant (PDA), a handheld computer, a tablet (tablet). A computer, a minitop computer, a laptop, or other device with communication capabilities. However, the type of user device does not limit the scope of the invention.

In the user device to which the method of the present invention is applied, different types of smart cards can be installed therein, such as a SIM card of a global system for mobile communications (GSM) system, and a universal mobile telecommunications system. , UMTS) USIM card, code division multiple access (CDMA) system removable user identity module (R-UIM) card and CDMA user identification module (CSIM) card Wait. Although the present invention has been described with reference to a SIM card, the type of smart card installed in the user device does not limit the scope of the present invention.

In the user device to which the method of the present invention is applied, smart cards of different sizes can be installed therein, such as a standard SIM card (Mini SIM), a micro SIM card (Micro SIM) or a nano SIM card (Nano SIM). However, the size of the smart card installed in the user device does not limit the scope of the present invention.

The user device to which the method of the present invention is applied may include a storage device such as a hard disk, a floppy disk, a compact disk, various types of memory, or a smart card for storing a database. However, the type of storage device does not limit the scope of the invention.

1 is a flow chart of a method for setting a CBS function in a user device according to the present invention, which includes the following steps: Step 100: Inject a data of a CBS support status including a plurality of network service providers into a user device; Go to step 110.

Step 110: In the boot process, the user device registers with a network through a specific network service provider; and step 120 is performed.

Step 120: The user device determines whether the initial setting of the CBS function is enabled; if yes, step 130 is performed; if not, step 180 is performed.

Step 130: The user device determines whether the identity code of the specific network service provider meets a preset identity code; if yes, step 170 is performed; if not, step 140 is performed.

Step 140: Read the database to obtain the CBS support status of the specific network service provider; go to step 150.

Step 150: Set the CBS function of the user device according to the CBS support status of the specific network service provider; and execute step 160.

Step 160: Store the identity code of the specific network service provider as the preset identity code, and store the current setting of the CBS function of the user device as the initial setting of the CBS function; go to step 170.

Step 170: The user device reads the basic file related to the CBS function in the smart card; and step 180 is performed.

Step 180: Perform other steps in the boot process; perform step 190.

Step 190: End.

In step 100, the user can store the CBS support status of the plurality of network service providers in the database of the user device. The CBS support status can be a one-to-one comparison table containing the identity code of each network service provider and whether or not CBS is provided. Table 1 below shows Examples of CBS support status, where A1~A4 and B1~B4 represent network service providers in Area A and Area B respectively. For example, A1~A4 can be Taiwanese networks such as Chunghwa Telecom, Far East, Taiwan Big Brother or Weibo. Service providers, and B1~B4 can be Japanese Internet service providers such as DoCoMo, KDDI or Softbank. The identity code of the network service provider may include a mobile country code (MCC) and a mobile network code (MNC). For example, the action country code of the Taiwan network service provider A1~A4 is 466. The Japanese country network service provider B1~B4 has a mobile country code of 440, and the network service provider A1~A4 has a mobile network code of 00~99, and the network service provider B1~B4 The mobile network code is a different value between 00 and 99. For the purpose of illustrating the embodiments of the present invention, it is assumed that the network service providers A1~A4 and B4 are unable to provide CBS, and the network service providers B1~B3 can provide CBS. However, the database shown in Table 1 does not limit the scope of the present invention.

In step 110, the user device can access the specific network during the boot process. The service provider is registered to the network. For example, if the user is currently in Taiwan, the user device can be registered to the network through Chunghwa Telecom during the boot process; if the user is currently in Japan, the user device can register to the network through DoCoMo during the boot process.

In step 120, the user device can determine whether the initial setting of the CBS function is turned on during the boot process. In an embodiment of the present invention, the initial setting of the CBS function may be the original setting when the user device is shipped from the factory: if there is no network service provider providing CBS in the A region, the user device sold in the A region may be shipped from the factory. The initial setting of the CBS function is set to off; if most network service providers in the B area provide CBS, the user device sold in the B area can be set to the initial setting of the CBS function at the factory. In another embodiment of the present invention, the initial setting of the CBS function can be set by the user: if the user does not wish to receive the CBM, the initial setting of the CBS function of the user device can be set to off; if the user wishes to receive the CBM, the user can use The CBS function initial setting of the device is set to On. When it is determined in step 120 that the CBS function is initially set to off, the user device will directly perform other steps in the boot process directly in step 180. When it is determined in step 120 that the CBS function is initially set to be on, the user device performs step 130 at this time.

In step 130, the user device can determine whether the identity code of the specific network service provider conforms to the preset identity code. In the present invention, the preset identity code is the identity code of the network service provider used by the user device to register to the network in the previous boot process. For example, if the user device is registered to the network through the network service provider B1 in the previous boot process and the current boot process, then in step 130, the identity code of the specific network service provider is met according to the preset. The identity code is then executed in step 170; if the user device is registered to the network through the network service provider B1 in the previous booting process, and is registered to the network through the network service provider A1 in the current booting process, this is At step 130, the specific network will be known. The service provider's identity code does not match the preset identity code, and then steps 140-170 are performed in sequence.

In step 140, the user device reads the database to obtain the CBS support status of the specific network service provider, and then sets the CBS function of the user device according to the CBS support status of the specific network service provider in step 150, and The preset identity code and the CBS function initial setting are updated in step 160. In other words, if the CBS function of the user device is initially set to ON, but the user device does not directly open the CBS when the previous boot process and the current boot process are registered to the network through different network service providers. The function first determines whether the specific network service provider currently registered can provide the CBS in step 140, and then turns on or off the CBS function of the user device in step 150.

In an embodiment of the invention, the user moves between different regions, so the user device may be registered to the network through the network service provider B1 in the previous booting process, and may be through the network in the current booting process. The service provider A1 registers with the network. At this time, it is known in step 140 that the network service provider A1 does not provide the CBS, and then the CBS function of the user device is set to off in step 150. After performing step 160, the preset identity code is changed from the identity code of the network service provider B1 to the identity code of the network service provider A1, and the initial setting of the CBS function is changed from on to off.

In another embodiment of the present invention, the user is in the same area but uses a different network service provider. The user device may be registered to the network through the network service provider B1 in the previous booting process, and in the current booting process. It may be registered to the network through the network service provider B4. At this time, it can be known in step 140 that the network service provider B4 does not provide the CBS, so the CBS function of the user device is set to off in step 150. In the execution step After 160, the default identity code will be changed from the identity code of the network service provider B1 to the identity code of the network service provider B4, and the initial setting of the CBS function will be changed from on to off.

In another embodiment of the present invention, the user is in the same area but uses a different network service provider. The user device may be registered to the network through the network service provider B1 in the previous booting process, and in the current booting process. It may be registered to the network through the network service provider B2. At this time, it can be known in step 140 that the network service provider B2 can provide the CBS, so the CBS function of the user device is set to be enabled in step 150. After performing step 160, the preset identity code is changed from the identity code of the network service provider B1 to the identity code of the network service provider B2, and the initial setting of the CBS function is still enabled.

In step 170, the basic file related to the CBS function in the smart card may include a cell broadcast message identifier defined in accordance with the 3rd Generation Partnership Project (3GPP) specification TS 31.102. _Selection ) basic file EF _CBMI , related information, cell broadcast message identifier selection for data download, basic file EF _CBMID , and/or cell broadcast message identifier range selection File EF _CBMIR . Cell broadcast message identification code selection basic file EF _CBMI and cell broadcast message identification code range selection basic file EF _{CBMIR is} used to specify the type of CBM content that the user wants the user device to receive, and the related download data cell broadcast message identification code selects the basic file EF _CBMID Used to specify the type of CBM content broadcast to the user device. According to the 3GPP specification TS 23.041, the channel of CBS adopts digital channel division, and the maximum can be divided into 65,535 physical channels, which are respectively represented by the hexadecimal cell broadcast message identification code 0000~FFFF. The hexadecimal cell broadcast message identification code 1000~107F represents the channel 4096~4223 is used to download the cell broadcast data, the hexadecimal cell broadcast message identification code 1112~111E represents the channel 4370~4382 is used for broadcast mandatory The received public warning CBM, and the channels 4383~4395 represented by the hexadecimal cell broadcast message identification codes 111F~112B are public warning CBMs for broadcasting selective reception. In step 170, the user equipment can read the contents of the basic files EF _CBMIR , EF _CBMID, and EF _CBMI in the boot process to learn which channels to broadcast the CBM, and then perform the boot process in step 180. step.

The present invention provides a method for setting a CBS function in a user device. When the user device registers with a specific network service provider to a network, the present invention determines the CBS support status of the specific network service provider. If a specific network service provider can provide CBS, the user device will enable its CBS function; if a specific network service provider cannot provide CBS, the user device will turn off its CBS function. In this way, when the user goes to other countries, and there is no network service provider in the country to provide CBS, the invention can automatically turn off the CBS function of the user device to avoid wasting network resources and consuming energy to meaninglessly Listen to if there is a CBM coming in.

The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

100~190‧‧‧Steps

Claims (9)

A method for setting a cell broadcast service (CBS) function in a user device, comprising: storing one of a cell broadcast service support status of a plurality of network service providers into the user device; In the current boot process, the user device registers with a first network service provider of the plurality of network service providers to a network; in the current boot process, the user device reads the database to obtain a first cell broadcast service support status of the first network service provider; and turning on or off one of the user equipment cell broadcast service functions according to the first cell broadcast service support status. The method of claim 1, further comprising: registering the user device with the second network service provider of the plurality of network service providers in a previous boot process that is earlier than one of the current boot processes a network; during the registration of the second network service provider to the network, if the current cell broadcast service function of the user device is enabled, the cell broadcast service function initial setting of one of the user devices is set to Turning on, or setting the cell broadcast service function initial setting of the user device to off if the current cell broadcast service function of the user device is off; and determining the user device in the current boot process Whether the initial setting of the cell broadcast service function is enabled, wherein the user device reads the database after determining that the cell broadcast service function is initially set to be on to obtain the first cell broadcast service support status. The method of claim 2, further comprising: initializing the cell broadcast service function of the user device after the current cell broadcast service function of the user device is enabled according to the first cell broadcast service support status The setting update is turned on; or after the current cell broadcast service function of the user device is turned off according to the first cell broadcast service support status, the cell broadcast service function initial setting of the user device is updated to be off. The method of claim 1, further comprising: registering the user device with the second network service provider of the plurality of network service providers in a previous boot process that is earlier than one of the current boot processes a network; storing the identity code of the second specific network service provider as a preset identity code; and determining, in the current power-on process, whether the identity code of the first network service provider meets the preset identity code, The user device reads the database after determining that the identity code of the first network service provider does not meet the preset identity code to obtain the first cell broadcast service support status. The method of claim 4, further comprising: storing the identity of the first specific network service provider after the cell broadcast service function of the user device is turned on or off according to the first cell broadcast service support status Code to update the preset identity code. The method of claim 1, further comprising: In a previous boot process that is earlier than one of the current boot processes, the user device registers with the second network service provider of the plurality of network service providers to the network; and registers with the second network service provider During the period of the network, if the current cell broadcast service function of the user device is turned on, the cell broadcast service function initial setting of one of the user devices is set to be on, or if the current device broadcasts the user device When the service function is off, the initial setting of the cell broadcast service function of the user device is set to off; the identity code of the second specific network service provider is stored as a preset identity code; and in the current boot process, Determining whether the initial setting of the cell broadcast service function of the user device is on and determining whether the identity code of the first network service provider meets the preset identity code, wherein the user device is determining the initial function of the cell broadcast service function Set to enable and determine that the first network service provider's identity code does not meet the preset identity code, and then read the database to obtain the first cell broadcast. Service support situation. The method of claim 1, further comprising: after the current cell broadcast service function is turned on, the user device reads a cell broadcast message identifier selection basic file in a smart card, A related information of a cell broadcast message identifier selection for data download, or a content of a cell broadcast message identifier range selection basic file. The method of claim 1, wherein the cell broadcast service support status of a specific network service provider in the database includes an identity code of the specific network service provider and whether the specific network service provider can provide a cell broadcast service. Information. The method of claim 8, wherein the identity code of the specific network service provider includes a mobile country code (MCC) and a mobile network code (mobile network code) of the specific network service provider. MNC).