TW475322B - Apparatus and method for connecting low power and high power wireless phones - Google Patents

Abstract

The invention provides a device and method for connecting low power and high power wireless phones. High power wireless phone system provides a first and second mobile terminals and the first mobile terminal provides a first connection terminal and an interface for communication transmission and control, while low power wireless phone system provides a third mobile terminal. The apparatus includes a base station for performing the communication transmission and control with respect to the third mobile terminal and providing the second connection terminal that is compatible with the communication transmission and control of the first connection terminal to link the first mobile terminal and perform the communication transmission and control among the first mobile terminals so that the third mobile terminal of the low power wireless phone system can communicate with the second mobile terminal of the high power wireless phone system under the communication transmission and control of the base station via the first mobile terminal.

Description

475322 V. Description of the invention (1) The present invention relates to a communication device and method, and more particularly to a device and method for connecting low-power and high-power wireless telephone systems. There are currently high-power wireless telephone systems such as GSM, AMPS, CDMA, or satellite telephone systems. FIG. 1 is a schematic view of a part of a GSM wireless telephone system 10. The GSM system 10 has a base station 12 and mobile terminals within its coverage, such as a 6SM mobile phone 14. The GSM mobile phone 14 uses the communication transmission and control performed by the base station 12 to achieve the purpose of talking with another mobile terminal. In addition, low-power wireless telephone systems suitable for small-scale or private use are also well known, such as PABX, KTS, HomeBase, DECT, PHS, and f PACS are mostly used in wireless systems and for low-speed mobile communication systems . The DECT radiotelephone system 20 shown in FIG. 2 is very similar to the GSM radiotelephone system 10 in FIG. 1, and also has a base station 22 and mobile terminals within its coverage, such as a DECT mobile phone 24. The operation method is the same as that of the GSM system. Generally, the base station 12 of the GSM system 10 is a fixed-point setting and is not designed for mobile purposes. The base station 22 of the DECT system 20 can be designed to be portable for use as a temporary communication network in a small area.

Although the above-mentioned low-power wireless telephone system DECT can easily and immediately establish a communication network in a small area, when users in this network need to communicate with users in another high-power wireless telephone system, or It is another high-power wireless telephone system that requires users in this low-power network to communicate with users. The traditional method must be achieved by the base stations of the two systems via a wired telephone network intermediary connection. So that low-power wireless telephone systems can only be limited to a small range covered by their systems when they leave the wired telephone network.

Page 4 475322 5. Description of the invention (2) Limited communication. In order to improve the above problem, the present invention provides a device for directly connecting a low-power and high-power wireless telephone system. The high-power wireless telephone system has a first and a second mobile terminal, and the first mobile terminal has a first connection terminal. Communication and control are performed with an external device, and the low-power wireless telephone system has a third mobile terminal. The device includes a base station that performs communication transmission and control related to the third mobile terminal and has a second connection terminal compatible with the first connection terminal to connect to the first mobile terminal and execute communication with the first mobile terminal. The communication transmission and control enables the third mobile terminal of the low-power wireless telephone system to communicate with and control the second mobile terminal of the high-power wireless telephone system under the communication transmission and control of this base station. The invention also provides a method for connecting a low-power and high-power wireless telephone system. The high-power wireless telephone system has a first and a second mobile terminal, and the first mobile terminal has a first connection end to communicate with an external device. Transmission and control, and the low-power radiotelephone system has a third mobile terminal. The method includes the following steps: providing a base station, performing communication transmission and control related to a third mobile terminal, and having a second connection terminal compatible with the first connection terminal of the first mobile terminal, to perform communication with the first mobile terminal; Communication transmission and control between mobile terminals. Connect the first and second terminals to make low power; The third mobile terminal of the wireless telephone system communicates with the second mobile terminal of the high-power wireless telephone system via the first mobile terminal under the communication transmission and control of the itb base station. . Therefore, the present invention combines a high-power wireless telephone system with a large coverage area.

475322 V. Description of the invention (3) and the advantages of low-power wireless telephone system communication network and easy to establish, providing a device and method for connecting low-power and high-power wireless telephone system, which can enable low-power wireless telephone system The user is connected to the terminal of a high-power wireless telephone system via his base station, and talks with the user in the high-power wireless telephone system. In order to make the above-mentioned objects, features, and advantages of the ice invention more obvious and easy to understand, the preferred embodiments are described in detail below with the accompanying drawings, as follows. Brief description of the drawings Figure 1 is a schematic diagram of a part of a GSM wireless telephone system 10. FIG. 2 is a schematic diagram of a portion of a DECT wireless telephone system 20. Figure 3 is a connection diagram between a GSM mobile phone and a DECT base station. Figure 4 is a block diagram of the integration of a GSM mobile phone and a DECT base station. Explanation of symbols 12, 32 to GSM base station 14, 33, 34 to GSM mobile phone 22, 36 to DECT base station 24, 38 to DECT mobile phone 42 to GSM mobile phone unit 44 to DECT base station unit 42, GSM RF module,

44 1 ~ DECT RF module 422, 442 ~ RF interface 423 ~ DSP

475322 V. Description of the invention (4) 44 3 ~ DECT burst mode controller 42 4, 44 4 ~ microcontroller 42 6, 44 5 ~ sound interface 425 ~ SIM card An example is shown in FIG. 3, a GS M and DECT The communication network after the system connection includes a GSM base station 32, a GSM mobile phone 33, 34, a DECT base station 36, and a -DECT mobile phone 38. The GSM mobile phone 33 has a sound output terminal 331, a sound input terminal 333, and a control signal terminal 335, which are respectively connected to one of the sound input terminal 361, the sound output terminal 363, and the control signal terminal 365 of the DECT base station 36 via the connections 351, 352, and 353. . Connection 353 can be implemented using the data transmission line available in GSM mobile phones, or directly connect the keypad scan pin and ring signal output terminals of GSM mobile phones with a hardware signal control line. The control signal pin (Control Pin) of the DECT base station and the vibration signal input terminal of the ring detection circuit are implemented. The DECT mobile phone 38 can dial the GSM mobile phone 33 to the GSM mobile phone 34 through the DECT base station 36, and then transfer the sound and control signals through the DECT base station to enable the DECT mobile phone 38 to talk to the GSM mobile phone 34. When a GSM mobile phone 33 receives an incoming call, such as an incoming call from the GSM mobile phone 34, the DECT base station 36 makes a group call to call all mobile terminals in the DECT system, including the DECT mobile phone 38. Therefore, the mobile terminal in the DECT radiotelephone system can communicate with the mobile terminal in the GSM radiotelephone system through the connection between the DECT base station 36 and the GSM mobile phone 33. In addition, GSM mobile phone functions and DECT base station functions can be integrated in

475322 V. Description of the invention (5) In a device. As shown in FIG. 4, the integrated system 40 has a GSM mobile phone unit 42 and a DECT base station unit 44. The GSM mobile phone unit 42 includes a GSM RF unit 421, an RF interface 422, a DSP unit 423, a microcontroller 424, a SIM card 425, a sound interface 426, and an antenna 427. The DECT base station 44 includes a DECT RF module 441, an RF interface 442, a DECT Burst Mode (Burst Mode) controller 443, a microcontroller 4 44, a sound interface 445, and an antenna 447. In particular, the microcontrollers 4 2 4 and 4 4 4 in the mobile phone unit 4 2 and the base station unit 4 4 have asynchronous serial ports 4241 and 4441, respectively, and the sound interfaces 426 and 445 include Mic Audio interface 426 1 respectively , 4 45 1 and Speaker Audio interface 4262, 4452. The above-mentioned asynchronous serial port 4 241, Mi c Audio interface 4261 and Speaker Audio interface 4262 are connected to asynchronous serial bee 444 1, Mic Audio interface 44 5 1 and Speaker Audio interface 44 52 respectively. An embodiment according to another object of the present invention is a method for connecting a GSM and a DECT wireless telephone system. First, a DECT base station is provided. This base station serves as a relay station between any two mobile phones, and performs all communication and control of DECT mobile phones. Then, in this DECT base station, a connection terminal compatible with a Gsm mobile phone external sound and data connection terminal is provided, so that the DECT base station can connect with the GSM mobile phone through this connection terminal, and execute the GSM system and the DECT system. Control signal conversion and audio signal transmission. v Two Finally, the DECT base station is connected to the GSM mobile phone via this connection terminal, so that the DECT mobile phone in the DECT system can communicate with another GSM mobile phone through the GSM mobile phone under the communication transmission and control of the DECT base station. ,two,

475322 V. Description of the invention (6) In addition, those skilled in the art will clearly know that the above-mentioned GSM system can be applied to the present invention as well as the above-mentioned DECT system instead of AMPS, CDMA, or satellite phone system. Low-power wireless telephone systems such as PHS, PACS, and small PABX, KTS systems, and low-speed mobile communication systems can also be applied to the present invention. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the art can make some changes and retouching without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the scope of the attached patent application.

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Claims (1)

475322 6. Scope of patent application1. A device for connecting a low-power and high-power wireless telephone system, the high-power wireless telephone system has a first and a second mobile terminal, and the first mobile terminal has a first connection terminal and An external device performs communication transmission and control, and the low-power wireless telephone system has a third mobile terminal. The device includes: a base station that performs communication transmission and control related to the third mobile terminal and has a compatibility with The second connection terminal of the first connection terminal is connected to the first mobile terminal to perform communication transmission and control with the first mobile terminal, so that the third mobile terminal of the low-power wireless telephone system is at the base station. Under the communication transmission and control, the first mobile terminal communicates with the second mobile terminal of the high-power wireless telephone system. 2. The device according to item 1 of the scope of patent application, wherein the first connection end and the second connection end transmit a sound signal and a control signal. 3. The device according to item 2 of the scope of patent application, wherein the first connection terminal and the second connection terminal include a sound signal terminal and a control signal terminal. 4. The device according to item 3 of the scope of patent application, wherein the sound signal terminal includes a sound signal input terminal and a sound signal output terminal. 5. The device according to item 3 of the scope of patent application, wherein the control signal terminal of the first connection terminal and the control signal terminal of the second connection terminal are connected by a data transmission line. 6. The device as described in item 3 of the scope of patent application, wherein the control signal terminal of the first connection terminal and the control signal terminal of the second connection terminal are connected by a hardware control signal line. 7 · The device according to item 6 of the scope of patent application, wherein the first company Page 10 475322 6. The control signal terminal of the patent application terminal includes a keypad pressure signal pin (Keypad Scan P i η) and a vibration signal output terminal. The control signal terminal of the second connection terminal is a control A signal pin (Control Pin) and a ringing signal input terminal, and the key press signal pin and ringing signal output terminal of the first connection terminal are respectively connected to the control signal of the second connection terminal through the hardware control signal line Pin and vibration signal input terminal. 8. The device as described in item 1 of the scope of patent application, wherein the first and second mobile terminals are GSM mobile phones. 9. The device according to item 1 of the scope of patent application, wherein the third mobile terminal is a DECT mobile phone. 10. The device according to item 1 of the scope of patent application, wherein the base station is connected to the first mobile terminal as a whole. 11. The device as described in item 10 of the scope of patent application, wherein the first and second connection ends include a Mic Audio interface, a Speaker Audio interface and an asynchronous serial port, and the Mi c of the first connection end The Audio interface, the Speaker Audio interface and the asynchronous serial port are respectively connected to the Speaker Audio interface, the Mic Audio interface and the asynchronous serial port of the second connection terminal. 1 2. A method for connecting a low-power and high-power wireless telephone system, the high-power wireless telephone system has a first and a second mobile terminal, and the first mobile terminal has a first connection end and an external device Communication transmission and control, and the low-power wireless telephone system has a third mobile terminal, the method includes: providing a base station to perform communication transmission related to the third mobile terminal Page 11 475322 6. The scope of patent application for transmission and control, and a second connection terminal compatible with the first connection terminal of the first mobile terminal to perform communication transmission and control with the first mobile terminal; Connected to the first and second connection terminals, so that the third mobile terminal of the low-power wireless telephone system passes the first mobile, terminal and the second of the high-power wireless telephone system under the communication transmission and control of the base station. Mobile terminals communicate. Page 12