TWI403143B - Mobile communication device and its automatic transmission method - Google Patents

Description

Mobile communication device and automatic transmission increasing method thereof

The invention relates to a mobile communication device, in particular to a card type mobile communication device, which improves the data transmission efficiency of the main module and the sub-module.

The card type mobile phone sets the communication module on the communication card, and the mobile phone body itself does not have the communication function, and only has the processing module for processing the data. When the communication card is combined on the mobile phone body, the communication module is coupled with the processing module. The data is transmitted to each other, and the card type mobile phone has a communication function through the communication card.

When the data transmission between the communication module and the processing module belongs to a high-speed transmission interface, when the communication card is inserted into the mobile phone body, the data transmission between the communication module and the processing module is performed in a high-speed transmission manner. If the communication module is a high-speed transmission interface, and the processing module is a low-speed transmission interface, or the processing module is a high-speed transmission interface, and the communication module is a low-speed transmission interface, in order to make the communication module and the processing module The data can be transmitted smoothly, and the user needs to manually select the low-speed transmission interface. After that, the communication module and the processing module will transmit data through the low-speed transmission interface.

However, the transmission interface of each communication card is different, so that when the user inserts the communication card, the user needs to first check the transmission interface of the communication card, and also know the transmission interface of the mobile phone body to be correctly selected. The transmission interface, and then manually select the transmission interface, is quite troublesome.

Even if the communication card has a high-speed transmission interface, the mobile phone body is a low-speed transmission interface, and the data transmission is required at a low-speed transmission interface, and the overall performance of the card-type mobile phone is thus reduced, especially the communication speed is more obvious.

Therefore, the main object of the present invention is to provide a mobile communication device and an automatic transmission increasing method thereof, which can automatically switch the mobile communication device corresponding to different transmission interfaces to improve the above problem.

It is an object of the present invention to provide a mobile communication device and an automatic fast transmission method thereof.

The invention relates to a mobile communication device corresponding to at least one specific communication mode, which comprises a communication sub-module and a main module. The communication sub-module further includes a second connector, the second connector includes at least a second command transmission pin and a second data transmission pin. The second connector has a transmission interface of a particular speed.

The main module includes a first connector, a processing unit, and a switching unit. The first connector is connected to the processing unit, and the switching unit is respectively connected to the first connector and the processing unit, the first connector includes at least a first command transmission pin and a first data transmission pin. The first command transmission pin is connected to the second command transmission pin, and the first data transmission pin is connected to the second data transmission pin.

After the communication sub-module communicates with the main module, the processing unit sends an inquiry command to the communication sub-module, and the communication sub-module returns an inquiry command, and then sends a reply command to the processing unit. The reply command includes a message of a transmission interface of the second connector.

The switching unit includes a plurality of transmission units having different transmission speeds, and the switching unit switches to the transmission unit of the transmission interface of the communication sub-module according to the transmission interface of the communication sub-module, so that a subsequent data is transmitted through the first data. The transmission pin and the second data transmission pin are transmitted between the processing unit and the communication sub-module.

Therefore, the mobile communication device of the present invention and the automatic transmission transmission method thereof provide the mobile communication device to automatically switch to the matching transmission unit after sensing the transmission interface between the main module and the communication sub-module, and thus, When the speed of the communication sub-module changes, the main module can be adjusted at any time to find the best transmission interface to improve the performance of data transmission between the main module and the communication sub-module in the mobile communication device.

The advantages and spirit of the present invention will be further understood from the following detailed description of the invention.

Please refer to the first figure. The first figure is a schematic diagram of the mobile communication device of the present invention. As shown in the figure, the mobile communication device 1 includes a main module 11 for accommodating a communication sub-module 12. The main module 11 further includes a first connector 111, a processing unit 112, and a switching unit 113. The communication sub-module 12 further includes a second connector 121. The processing unit 112 is connected to the switching unit 113 and the first connector 111, and the first connector 111 is further connected to the second connector 121. Therefore, the main module 11 and the communication sub-module 12 are transmitted through the first connector 111 and The second connector 121 is connected.

Please refer to the second figure, which is a schematic diagram of the mobile communication device of the present invention and its automatic fast transmission method. The mobile communication device 1 may further include a SIM card slot 114 for plugging in a SIM card. The communication sub-module 12 refers to a card-type communication sub-module, which has a communication function and has a high-speed transmission interface or a low-speed transmission interface. The mobile communication device 1 is a card type mobile phone. When the card type communication sub module is inserted into the card type mobile phone, the main module 11 is connected to the communication submodule 12.

After the communication sub-module 12 is connected to the main module 11, the processing unit 112 sends an inquiry command Q to the communication sub-module 12, and the inquiry command Q is used to inquire about the transmission interface in the communication sub-module 12, and the communication is After receiving the inquiry command Q, the sub-module 12 sends a reply command R to the processing unit 112 in response to the inquiry command Q, and tells the processing unit 112 that the communication sub-module 12 has a transmission interface. When the processing unit 112 receives the reply command R, the switching unit 113 switches to the transmission interface corresponding to the communication sub-module 12. For example, if the communication sub-module 12 has a high-speed transmission interface, the reply command R will tell the processing unit 112 that the communication sub-module 12 is a high-speed transmission interface, and then the switching unit 113 will switch to the high-speed transmission unit 1131a, so that The communication sub-module 12 is connected to the main module 11 with a high-speed transmission interface. If the communication sub-module 12 supports both the high-speed transmission interface and the low-speed transmission interface, the high-speed transmission interface is selected, that is, the reply command R tells the processing unit 112 that the communication sub-module 12 is a high-speed transmission interface, so that Can achieve the best results. The inquiry command Q and the reply command R all use the instruction of the AT instruction set.

Please refer to the third figure, which is a schematic diagram of the detailed connection of the mobile communication device of the present invention. As shown, the first connector 111 includes at least a first command transmission pin 1111 and a first data transmission pin 1112. The second connector 121 includes at least a second command transmission pin 1211 and a second data transmission pin 1212. The first command transmission pin 1111 is connected to the second command transmission pin 1211; and the first data transmission pin 1112 is connected to the second data transmission pin 1212.

The first command transmission pin 1111 further includes a first TXD pin 11111 and a first RXD pin 11112. The second command transmission pin 1211 further includes a second TXD pin 12111 and a second RXD pin. 12112, the first TXD pin 11111 is connected to the second TXD pin 12111, and the first RXD pin 11112 is connected to the second RXD pin 12112. The inquiry command Q mentioned in the preceding paragraph is sent from the processing unit 112 to the second command transmission pin 1211 through the first TXD pin 11111 and a second TXD pin 12111, and the reply command R is transmitted through the first RXD pin 11112. The second RXD pin 12112 is sent to the processing unit 112.

In the present embodiment, two transmission units 1131 having different transmission speeds are taken as an explanation. The switching unit 113 internally includes a high speed transmission unit 1131a and a low speed transmission unit 1131b, both of which are respectively connected to the processing unit 112. The so-called high-speed transmission unit 1131a refers to a D+ transmission unit and a D-transmission unit in the USB protocol; and the so-called low-speed transmission unit 1131b refers to an RTS transmission unit and a CTS transmission unit in the UART protocol. When the communication sub-module 12 and the main module 11 are connected by a high-speed transmission interface, data and data are transmitted through the D+ transmission unit and the D-transmission unit; when the communication sub-module 12 and the main module 11 are When a low-speed transmission interface is connected, data and data are transmitted through the RTS transmission unit and the CTS transmission unit in the UART protocol. The D+ transmission unit, the D-transmission unit, the RTS transmission unit and the CTS transmission unit are respectively two sets of pin sets, and the first data transmission pin 1112 is connected to the second data transmission pin 1212 through two sets of pin sets.

In order to make the automatic transmission transmission method of the mobile communication device of the present invention sufficiently, please refer to the fourth figure. The fourth figure is a flowchart of the automatic fast transmission method of the present invention. The transmission method is to provide the mobile communication device 1 to switch the transmission interface, and the steps and descriptions are as follows: First, the main module 11 and the communication sub-module 12 are connected (S101). Then, the communication sub-module 12 handshaking with the main module 11 through the first RXD pin 11112 and the second RXD pin 12112.

The main module 11 transmits an inquiry command Q to the communication sub-module 112 (S102). The processing unit 112 sends an inquiry command Q, which is transmitted to the second TXD pin 12111 through the first TXD pin 11111 of the main module 11 to the communication sub-module 12, and the inquiry command Q is used to query the communication sub-module 12 to have Transmission interface.

The communication sub-module 112 responds to the reply command R to the processing unit 112, and the reply command R includes a message of the transmission interface of the communication sub-module 112 (S103). In response to the query command Q, the communication sub-module 12 sends a reply command R to the processing unit 112 through the first data transmission pin 1112 and the second data transmission pin 1212. The reply command R includes the communication sub-module 12 The message of the transmission interface is replied to the transmission interface of the transmission speed of the current communication sub-module 12 of the processing unit 112.

The switching unit 113 in the main module 11 connects the processing unit 112 to the communication sub-module 12 via the transmission unit 1131 corresponding to the transmission interface of the communication sub-module 12 according to the reply command R for data transmission (S104). . The switching unit 113 switches to the corresponding high speed transmission unit 1131a or low speed transmission unit 1131b according to the message of the reply command R.

Please refer to the fifth figure, which is a timing diagram of the mobile communication device of the present invention and its automatic fast transmission method. The time shown in the figure is below the axial direction, the upper side is expressed as the past time, and the lower side is the current time. At time T ₀ , the main module 11 and the communication sub-module 12 are initialized first, and the main module 11 transmits an inquiry command Q, which is a part of the AT command set in the figure, and the main module 11 transmits the AT+. The IPR queries the transmission interface of the sub-module 12, and the communication sub-module 12 replies with +IPR: 9600, 38400...<LF><CR>OK, indicating that the communication sub-module 12 supports the transmission speed of 9600 or 38400. Then, the main module 11 transmits AT+IPR=38400, and informs the communication sub-module 12 to use the transmission speed of 38400. The communication sub-module 12 replies OK to confirm, after the initialization is completed, the Handshake is performed, and then waits for a short time T ₁ . At time T ₂ , the main module 11 transmits an AT command again to inquire whether the communication sub-module 12Handshake is successful, the communication sub-module 12 replies OK to indicate that the handshake is successful, and the main module 11 continues to transmit AT+GCAP. In response to the card type of the communication sub-module 12, the communication sub-module 12 replies with AT+GCAP=Card type. If the Card type input is +GSM, it means that the communication sub-module 12 is a card of the GSM system, and the above-mentioned automatic is started. Increase the steps of the transmission method. The above described AT commands are merely preferred embodiments and are not intended to limit the automatic fast transmission method of the present invention.

Therefore, with the mobile communication device of the present invention and the automatic transmission increasing method thereof, the mobile communication device can automatically switch the transmission unit between the main module and the communication sub-module. The main module can read the data in the communication sub-module with a high-speed transmission interface, thereby improving the transmission interface of the main sub-module in the mobile communication device, thereby improving the communication speed of the mobile communication device and providing users with a high efficiency. Mobile communication device.

The features and spirit of the present invention will be more apparent from the detailed description of the preferred embodiments. On the contrary, the intention is to cover various modifications and equivalents within the scope of the invention as claimed.

1. . . Mobile communication device

11. . . Main module

12. . . Communication submodule

111. . . First connector

1111. . . First instruction transfer pin

1112. . . First data transmission pin

11111. . . First TXD pin

11112. . . First RXD pin

112. . . Processing unit

121. . . Second connector

1211. . . Second instruction transfer pin

1212. . . Second data transmission pin

12111. . . Second TXD pin

12112. . . Second RXD pin

113. . . Switching unit

1131. . . Transmission unit

1131a. . . High speed transmission unit

1131b. . . Low speed transmission unit

114. . . SIM card slot

Q. . . Inquiry command

R. . . Reply instruction

T ₀ , T ₁ , T ₂ . . . time

The first figure is a schematic diagram of a mobile communication device of the present invention;

The second figure is a schematic diagram of the mobile communication device of the present invention and its automatic fast transmission method;

The third figure is a schematic diagram of the detailed connection of the mobile communication device of the present invention;

The fourth figure is a flow chart of the automatic fast transmission method of the present invention;

The fifth figure is a timing diagram of the mobile communication device of the present invention and its automatic fast transmission method.

11. . . Main module

111. . . First connector

112. . . Processing unit

113. . . Switching unit

114. . . SIM card slot

12. . . Communication submodule

121. . . Second connector

Q. . . Inquiry command

R. . . Reply instruction

Claims (17)

A mobile communication device is a communication sub-module having a second connector, the second connector having a transmission interface of a specific speed, the mobile communication device comprising: a main module, comprising a first a connector, a processing unit and a switching unit, the first connector includes at least a first command transmission pin and a first data transmission pin, the first command transmission pin corresponding to the second connector a second command transmission pin, the first data transmission pin corresponding to one of the second data transmission pins in the second connector; the processing unit is respectively connected to the first instruction transmission pin and the switching unit; The switching unit is connected to the first data transmission pin, and has a plurality of transmission units of different transmission speeds; wherein, when the main module is connected to the communication sub-module, the processing unit sends an inquiry command to the communication a sub-module for inquiring about a specific speed of the communication sub-module; the communication sub-module sends a reply command to respond to a specific speed of the transmission interface, the cut According to this reply command-based unit, the transmission unit switches to the transmission interface matching the transmission speed of the communication sub-module. The mobile communication device according to claim 1, wherein the transmission unit is an UART-assigned RTS transmission unit and a CTS transmission unit. The mobile communication device according to claim 1, wherein the transmission unit is a USB-compliant D+ transmission unit and a D-transport unit. The mobile communication device according to claim 1, wherein the communication sub-module is a card-type communication sub-module, and the mobile communication device is a card-type mobile phone. The mobile communication device of claim 1, wherein the first command transmission pin comprises a first TXD pin and a first RXD pin, and the second command transmission pin comprises a second a TXD pin and a second RXD pin, the query command is sent from the processing unit to the communication sub-module through the first TXD pin, and the reply command is transmitted through the first RXD The pin and the second RXD pin are sent from the communication sub-module to the processing unit. The mobile communication device of claim 3, wherein after the processing unit is powered on, and before the query command is sent, the communication sub-module first performs initialization, and the communication sub-module is transmitted through the first RXD. The pin, the second RXD pin performs a handshake with the processing unit. The mobile communication device of claim 1, wherein the main module can be connected to a SIM card, and the SIM card is connected to the communication sub-module through the first connector and the second connector. The mobile communication device of claim 1, wherein the query command and the reply command are both an AT command. An automatic fast transmission method for use in a mobile communication device, applied to a main module, comprising the steps of: establishing a connection with a communication sub-module; transmitting an inquiry command to the communication sub-module; receiving the communication The sub-module responds to a reply command, wherein the reply command includes information of a transmission interface of the communication sub-module; and according to the reply command, a transmission unit corresponding to the transmission interface of the communication sub-module communicates with the communication unit The sub-module is connected for data transmission. The method for automatically increasing transmission according to claim 9, wherein the communication sub-module corresponds to at least one specific communication mode, and is a card-type communication sub-module, and the mobile communication device is a card-type action phone. The automatic transmission transmission method of claim 9, wherein the processing unit transmits a first TXD pin and a first RXD pin and a second TXD pin of the communication sub-module and a second RXD The automatic connection transmission method further includes the following steps: the inquiry command is transmitted from the processing unit to the communication sub-module through the first TXD pin and the second TXD pin, and the reply command is transmitted through The first RXD pin and the second RXD pin are sent from the communication submodule to the processing unit. The automatic fast transmission method according to claim 11, wherein the automatic fast transmission method further comprises the following steps: starting the mobile communication device; and initializing the communication submodule; And the communication sub-module handshakes with the processing unit. The automatic fast transmission method according to claim 9, wherein the transmission unit is an UART protocol RTS transmission unit and a CTS transmission unit. The automatic fast transmission method according to claim 9, wherein the transmission unit is a USB protocol D+ transmission unit and a D-transport unit. The automatic transmission transmission method according to claim 9, wherein the main module can be connected to a SIM card, and the SIM card is connected to the communication submodule. The automatic fast transmission method according to claim 9, wherein the transmission unit is switched to a transmission interface matching a specific speed of communication with the submodule. The automatic fast transmission method according to claim 9, wherein the inquiry instruction and the reply instruction are both an AT instruction.