KR20100028318A - Communication terminal of dual mode and communication method for the same - Google Patents

Communication terminal of dual mode and communication method for the same Download PDF

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Publication number
KR20100028318A
KR20100028318A KR1020080087297A KR20080087297A KR20100028318A KR 20100028318 A KR20100028318 A KR 20100028318A KR 1020080087297 A KR1020080087297 A KR 1020080087297A KR 20080087297 A KR20080087297 A KR 20080087297A KR 20100028318 A KR20100028318 A KR 20100028318A
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South Korea
Prior art keywords
communication
module
signal
communication module
mode
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KR1020080087297A
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Korean (ko)
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박찬현
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주식회사 케이티테크
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Priority to KR1020080087297A priority Critical patent/KR20100028318A/en
Publication of KR20100028318A publication Critical patent/KR20100028318A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE: A communication terminal of dual mode and a communication method for the same are provided to realize selectively dual mode communications of a local area network mode and a mobile communications mode by changing a communications mode in a dual communications mode conversion part to a mobile communications mode. CONSTITUTION: A communications terminal comprises a mobile communications module(140), a short distance communications module(150), and a communications mode conversion part(130). The mobile communications module transmits and receive signal through the mobile radio communications network. The local area communications module transmits and receives the local area communications module and the adjacent signal. In the communications mode conversion part is one communications mode among the mobile communications mode using the mobile communications module and the local area network mode using the local area communications module, the communications mode is switched.

Description

COMMUNICATION TERMINAL OF DUAL MODE AND COMMUNICATION METHOD FOR THE SAME

The present invention relates to a dual mode communication terminal and method.

WiFi (Wireless Fidelity) is a nickname for wireless LAN, which means that a wireless network can be conveniently used like hi-fi audio.

WiFi initially had a radio range of only 10m, but in the 2000s, the range of radio waves has expanded significantly from 50m to hundreds of meters.

In addition, the transmission speed of WiFi is 11 ~ 54Mbps, enabling the transmission and reception of large-capacity multimedia using WiFi. As a result, the WiFi is used to provide high-speed data services to subscribers located in specific buildings such as schools, airports, and hotels.

As the radio wave reaching distance of the WiFi is extended, services such as high-speed data service and Internet telephony service are provided, and a WiFi-only terminal such as a WiFi phone is used in the home.

Conventional WiFi telephones include a handset, a WiFi module, a display, a keypad, and the like, like a normal home telephone. Here, the WiFi telephone is mainly a reception telephone, and since the display unit and the keypad are mounted, there is a problem that causes the price of the terminal to increase.

In addition, the conventional portable terminal has a problem that is difficult to compatible with the WiFi terminal.

An object of the present invention is to propose a communication terminal capable of selectively dual mode communication.

Another object of the present invention is to provide a low-cost communication terminal having a wireless LAN module and a display unit and an input unit removed.

Another object of the present invention is to propose a communication method for communicating through a communication terminal equipped with a wireless LAN module using an input unit and a display unit of a dual mode communication terminal.

Another object of the present invention is to propose a communication method for receiving a signal received in a wireless LAN module in a mobile communication terminal.

According to an aspect of the present invention, a communication terminal supporting a dual communication mode, the mobile communication module for transmitting and receiving a signal through a mobile communication network; A near field communication module configured to transmit and receive signals with an adjacent near field communication module; And a communication mode switching unit for switching the communication mode to any one of the mobile communication mode using the mobile communication module and the short range communication mode using the short range communication module.

According to another aspect of the present invention, a communication terminal supporting WLAN communication, comprising: a WLAN module for transmitting and receiving WLAN signals; A near field communication module configured to transmit and receive signals with an adjacent near field communication module; And a signal processing unit converting a signal received from the WLAN module into a voice signal and converting the voice signal received from the short range communication module according to the WLAN signal standard.

According to another aspect of the present invention, in the dual mode communication method of a communication terminal having a mobile communication module and a short-range communication module, (a) setting the communication mode to a short-range communication mode for transmitting and receiving a signal through the short-range communication module ; (b) converting and transmitting a call request signal including a telephone number into a short range communication signal; And (c) transmitting and receiving a voice signal using a handset of the communication terminal.

According to another aspect of the present invention, a communication method of a communication terminal having a WLAN module and a near field communication module, the method comprising: (a) receiving a communication request signal from the near field communication module; (b) converting the received communication request signal into a WLAN protocol; And (c) transmitting the communication request signal converted into the WLAN protocol to a WLAN repeater.

The present invention may optionally provide a communication terminal capable of dual mode communication in a mobile communication mode and a near field communication mode.

In addition, the present invention can provide a low-cost communication terminal having a wireless LAN module, the display unit and the input unit is removed.

The present invention can provide a communication method for communicating through a communication terminal equipped with a wireless LAN module using an input unit and a display unit of a dual mode communication terminal.

Another object of the present invention can provide a communication method for receiving a signal received in a wireless LAN module in a mobile communication terminal.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all transformations, equivalents, and substitutes included in the spirit and scope of the present invention. In the following description of the present invention, if it is determined that the detailed description of the related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, the same reference numerals will be used for the same means regardless of the reference numerals in order to facilitate the overall understanding.

1 is a block diagram showing an embodiment of a communication system between a dual-mode communication terminal for short-range communication and a communication terminal equipped with a wireless LAN according to the present invention.

Referring to FIG. 1, a communication system for short-range communication according to the present invention includes a first communication terminal 100, a second communication terminal 200, and a repeater 300.

Specifically, the first communication terminal 100 can receive a mobile communication service through a mobile communication network such as wide code division multiple access (WCDMA), code division multiple access (CDMA), global system for mobile communication (GSM), or the like. Mobile phones, PDAs, and the like.

The second communication terminal 200 may be equipped with a wireless LAN module to use wireless LAN communication. Here, the second communication terminal 200 may transmit and receive voice signals and data signals with the repeater 300 through a wireless LAN protocol or Voice over Internet Protocol (VoIP).

Each of the first communication terminal 100 and the second communication terminal 200 includes a short range communication module, and the first and second communication terminals 200 perform short range communication using the short range communication module.

For example, when making a call through the first communication terminal 100, input phone number information of a communication terminal to be received using an input unit included in the first communication terminal 100, and input the input phone number information. The signal is converted into a call request signal and transmitted to the second communication terminal 200. Here, the first communication terminal 100 uses a short range communication mode through the short range communication module with the second communication terminal 200.

The second communication terminal 200 receives a call request signal received from the first communication terminal 100 and transmits a call request signal to the repeater 300 through the WLAN module.

When the communication terminal receiving the call request signal allows the call, the call is started.

Here, the voice and data signals are modulated between the first communication terminal 100 and the second communication terminal 200 in a short range communication mode (for example, an RF signal) to transmit and receive signals.

Meanwhile, the call request signal received from the repeater 300 is transmitted to the first communication terminal 100 via the second communication terminal 200.

Here, the repeater 300 may be connected to the Internet network to transmit and receive a call request signal and a voice signal. It will be apparent to those skilled in the art that the repeater 300 may be connected to the Internet network by wire or wirelessly.

The call request signal received by the first communication terminal 100 may be displayed on the display unit of the first communication terminal 100, and when the user responds to the call request signal, the call may be established and the voice signal may be transmitted and received.

The first communication terminal 100 has a communication mode set to a short range communication mode for transmitting and receiving a signal through a short range communication module.

Meanwhile, when the first communication terminal 100 is set to a short range communication mode, the mobile communication mode for transmitting and receiving a signal through the mobile communication module may be in an inactive state.

When the first communication terminal 100 is set to a short range communication mode, when a signal is received from the mobile communication network by the mobile communication module, the user may change the communication mode.

That is, when the call request signal or message is received through the mobile communication module when the first communication terminal 100 is set to the short range communication mode, the communication setting may be changed on the display unit of the first communication terminal 100. Can provide a message.

Hereinafter, a dual mode communication terminal and a method according to an embodiment of the present invention will be described in more detail with reference to FIGS. 2 to 5.

FIG. 2 is a detailed configuration diagram illustrating an embodiment of the first communication terminal illustrated in FIG. 1.

2, the first communication terminal 100 according to the embodiment of the present invention includes a display unit 120, a handset unit 160, a storage unit 170, an input unit 180, a mobile communication module 140, and a first communication terminal 140. 1 includes a short range communication module 150, a controller 110, and a dual communication mode switcher 130.

In the present invention, the first communication terminal 100 includes a personal communication terminal such as a mobile phone and a PDA as a mobile communication terminal.

In detail, the display unit 120 is provided in a typical mobile communication terminal and displays information to a user. In addition, the display unit 120 may display image information. The display unit 120 may be implemented as a liquid crystal display (LCD), an organic light emitting diode (OLED), or the like.

The handset 160 may include a speaker and a microphone. The handset 160 outputs a voice signal received from the controller 110 through a speaker, and transmits the voice input through the microphone to the controller 110.

The storage unit 170 stores various programs for controlling the overall operation of the communication terminal, various data generated by program execution, telephone number information data, and the like. In this case, the storage unit 170 may be implemented as an integrated memory or divided into a plurality of memories (for example, a program memory, a data memory, a phonebook memory, etc.).

The input unit 180 is a user interface for receiving various data from a user, and there is no particular limitation on the implementation manner. In general, a combination method of a combination of two or more of the keypad method, the wheel key method, the touch pad method, the touch screen method, and the like may be used. Recently, the touch screen method is mostly adopted due to an increase in space utilization, an enlargement of the display screen, and design considerations. In this case, the input unit 180 may be integrated with the display unit 120.

The mobile communication module 140 may include a communication module applied to a communication protocol such as Code Division Multiple Access (CDMA), Wide-CDMA (WCDMA), and Global System for Mobile Communication (GSM). The mobile communication module 140 transmits and receives a voice, a data signal, and the like through a mobile communication network.

The first short range communication module 150 may include a Bluetooth module, a Zigbee module, a Radio Frequency Identification (RFID) module, and the like.

For example, the first short range communication module 150 may be a Bluetooth module.

The Bluetooth module is a technical standard for wirelessly connecting a communication terminal or a peripheral device to a local area. The Bluetooth module uses the IEEE 802.15.1 standard and uses a frequency band of 2.45 GHz, which is an Industrial Scientific Medical (ISM) band.

The Bluetooth module incorporates a standard Bluetooth module chip to implement RF (Radio Friquemcy) / Baseband / Link Manager in the form of firmware. The Bluetooth module may include a ROM in which a program for connection with a short range Bluetooth module is embedded and a signal command unit which can be executed by an embedded program.

The first short range communication module 150 transmits and receives a signal with a short range communication module at an adjacent distance. In this case, when transmitting a signal, the first short-range communication module 150 modulates a baseband voice signal into a signal of a high frequency band when the signal is transmitted.

In addition, the first short-range communication module 150 modulates the received signal into a baseband signal and converts the received signal into a voice or data signal.

The dual communication mode switching unit 130 selects one of the mobile communication module 140 and the first local area communication module 150 to communicate with each other. Switch to

The dual communication mode switching unit 130 sets the priority of activation of the mobile communication module 140 at all times. That is, the dual communication mode switching unit 130 mainly blocks the communication channel with the first local area communication module 150 to use the mobile communication module 140 as the communication channel.

The dual communication mode switching unit 130 switches to a short range communication mode for short range communication when a user selection or a predetermined short range communication module is found. Accordingly, when the communication mode is set to the short range communication mode in the dual communication mode switching unit 130, the communication channel with the mobile communication module 140 may be blocked.

Meanwhile, the dual communication mode switching unit 130 does not block the channel of the mobile communication module 140, and the signal received by the first local area communication module 150 takes precedence over the signal received by the mobile communication module 140. You can set the rank higher.

Accordingly, the first communication terminal 100 may use the first short-range communication module 150 at all times, and selectively use a signal when a signal is input to the mobile communication module 140.

For example, when the first communication terminal 100 is set to the short range communication mode and a call request signal or a message data signal is input to the mobile communication module 140 during a call, the dual communication mode switching unit 130 calls the call request signal. Alternatively, the data signal may be transmitted to the controller 110 to allow the user to check the call request information or the message.

In addition, the dual communication mode switching unit 130 may switch the communication mode to the mobile communication mode so that the mobile communication module 140 is automatically used when the dual communication mode switching unit 130 moves out of the communication restriction area of the first short range communication module 150.

That is, the dual communication mode switching unit 130 changes to the mobile communication mode at the moment when the user moves out of the short range communication area without changing the communication mode setting of the first communication terminal 100.

The controller 110 controls the overall operation of the first communication terminal 100. For example, the controller 110 may load various types of data stored in the storage 170 and transmit the data to the display 120.

The controller 110 may transmit the phone number information received from the dual communication mode switching unit 130 to the display unit 120. In addition, the controller 110 may transmit the voice signal received from the dual communication mode switch 130 to the handset 160.

In addition, the controller 110 may provide the phone 120 with the phone number information stored in the storage unit 170 when the call is made.

The controller 110 transmits the voice signal received from the first local area communication module 150 to the handset 160, and transmits the voice signal received from the handset 160 to the first local area communication module 150. .

3 is a detailed block diagram showing an embodiment of the communication terminal shown in FIG.

Referring to FIG. 3, a communication terminal according to an embodiment of the present invention includes a wireless LAN module 210, a signal processor 220, a mode selector 230, a second short range communication module 240, and a handset 250. ).

Specifically, the WLAN module 210 receives the wireless data communication from the WLAN repeater 300 and transmits the signal to the signal processor 220, and transmits the signal received from the signal processor 220 to the WLAN repeater 300. Can be.

The WLAN module 210 may use a wireless data communication module such as a WiFi Fidelity (WiFi) module and a Wireless Broadband (WiBro) module.

For example, the WiFi module is a module that supports wireless data communication based on the IEEE802.1a / IEEE802.1b / IEEE802.1g protocol. Here, the WiFi module may be any one of a communication module supporting a speed of 11Mbps or 54Mbps.

The signal processor 220 demodulates the signal received from the WLAN repeater 300.

The signal received from the WLAN repeater 300 is demodulated by the signal processor 220 as a signal modulated by the WLAN protocol. In this case, the demodulated signal may be a call request signal or a voice signal.

The signal processor 220 transmits the demodulated signal to the mode selector 230.

In addition, the signal processor 220 modulates the signal received from the second local area communication module 240 to the WLAN protocol 210 and transmits the signal to the WLAN module 210.

Although the WLAN module 210 and the signal processor 220 illustrated in FIG. 3 have been described separately by function, the signal processor 220 may be embedded in the WLAN module 210.

The mode selector 230 selectively transmits the signal received from the signal processor 220 to either one of the second short-range communication module 240 or the handset 250.

When the second short-range communication module 240 is in use, the mode selector 230 sets the communication mode to the second short-range communication module 240 first, and selects the communication mode to the handset 250 by the user. Can be changed.

In addition, when the mode selection unit 230 does not use the second short-range communication module 240, the communication mode may be preferentially set to the handset 250.

The handset 250 may include a speaker and a microphone. The handset 250 outputs the voice signal received from the mode selector 230 through the speaker, and transmits the voice input through the microphone to the mode selector 230.

The second short range communication module 240 may include a Bluetooth module, a Zigbee module, a Radio Frequency Identification (RFID) module, and the like.

For example, the second short range communication module 240 may be a Bluetooth module.

The Bluetooth module is a technical standard for wirelessly connecting a communication terminal or a peripheral device to a local area. The Bluetooth module uses the IEEE 802.15.1 standard and uses a frequency band of 2.45 GHz, which is an Industrial Scientific Medical (ISM) band.

The Bluetooth module incorporates a standard Bluetooth module chip to implement RF (Radio Friquemcy) / Baseband / Link Manager in the form of firmware. The Bluetooth module may include a ROM in which a program for connection with a short range Bluetooth module is embedded and a signal command unit which can be executed by the embedded program.

The second short range communication module 240 transmits and receives a signal with a short range communication module at an adjacent distance. Here, the adjacent short range communication module is a short range communication module provided in the mobile communication terminal.

In this case, the adjacent short-range communication module is a predetermined short-range communication module, and does not transmit or receive a signal when the short-range communication modules are not set to each other.

When transmitting a signal, the second short-range communication module 240 modulates a baseband voice signal into a signal of a high frequency band when the signal is transmitted, for example. In addition, the second short range communication module 240 modulates the received signal into a baseband signal and converts the received signal into a voice or data signal.

For example, the second short range communication module 240 modulates the signal received from the mode selector 230 into an RF signal and transmits the signal to the short range communication module of the mobile communication terminal. In addition, the second short range communication module 240 demodulates the RF signal received from the mobile communication terminal into a baseband signal and transmits the demodulated signal to the mode selector 230.

4 is a flowchart illustrating an embodiment of an outgoing process in a dual mode communication method of a dual mode communication terminal according to the present invention.

Referring to FIG. 4, in the transmission process of the dual mode communication terminal according to an embodiment of the present invention, a short-range communication mode setting step (S100), a step of converting a call request signal into a short-range communication signal and transmitting (S110) and a first And transmitting and receiving a voice signal using the handset of the communication terminal (S120).

In detail, in the setting of the short range communication mode (S100), the communication mode of the first communication terminal (mobile communication terminal) is set to communicate through the first short range communication module. In this case, the short range communication mode may be automatically converted when a signal is input from a predetermined short range communication module, for example, the second short range communication module.

In addition, the short-range communication mode may be set by the user.

Next, in the step S110 of converting the call request signal into a short range communication signal, the user inputs an outgoing telephone number through an input unit of the first communication terminal and makes a call request. The outgoing telephone number here is a call signal. The call request signal is transmitted to the first local area communication module through the control unit.

The call request signal transmitted to the first local area communication module is RF modulated and transmitted to the second local area communication module of the second communication terminal.

Here, the outgoing telephone number may be a number stored in the phone book storage of the first communication terminal.

Next, the step (S120) of transmitting and receiving a voice signal is a step of transmitting and receiving a voice signal by setting up a call when the terminal receiving the call request signal responds to the call request.

In this case, the voice signal is RF-modulated through the first short range communication module through the microphone of the handset and transmitted to the second short distance communication module of the second communication terminal.

The voice signal transmitted to the second short-range communication module is converted into a baseband signal, and is modulated by the signal processor into a WLAN communication protocol and transmitted to a communication terminal requesting a call through a WLAN repeater through the WLAN module.

Meanwhile, when a call request signal or a message signal is received by the mobile communication module while the first communication terminal is in the short-range communication mode, the signal received by the mobile communication module is displayed on the display unit through the control unit.

5 is a flowchart illustrating an embodiment of a receiving process in a dual mode communication method of a dual mode communication terminal.

Referring to FIG. 5, in the receiving process of the dual mode communication terminal according to an exemplary embodiment of the present disclosure, a short range communication mode setting step (S200), a call request signal receiving step (S210), and a voice signal transmitting and receiving step (S220) ).

In detail, in the setting of the short range communication mode (S200), the communication mode of the first communication terminal (mobile communication terminal) is set to communicate through the first local area communication module in the same manner as the calling process of the first communication terminal. . In this case, the short range communication mode may be automatically converted when a signal is input from a predetermined short range communication module, for example, the second short range communication module.

In addition, the short-range communication mode may be set by the user.

Next, in step S210 of receiving a call request signal, a call request signal is received from the set second short-range communication module. The received call request signal is converted into a baseband signal and transmitted to the control unit of the first communication terminal.

The control unit transmits the received telephone number information corresponding to the call request signal to the display unit. At this time, the received telephone number information transmitted to the display unit determines whether the information stored in the phonebook memory to display information (for example, the stored telephone number and name) associated with the received telephone number information together with the received telephone number.

Next, the step (S220) of transmitting and receiving a voice signal is a step of transmitting and receiving a voice signal when a call is established when the terminal receiving the call request signal responds to the call request.

In this case, the voice signal is RF-modulated through the first short range communication module through the microphone of the handset and transmitted to the second short distance communication module of the second communication terminal.

The voice signal transmitted to the second short-range communication module is converted into a baseband signal, and is modulated by the signal processor into a WLAN communication protocol and transmitted to a communication terminal requesting a call through a WLAN repeater through the WLAN module.

Meanwhile, when a call request signal or a message signal is received by the mobile communication module while the first communication terminal is in the short-range communication mode, the signal received by the mobile communication module is displayed on the display unit through the control unit.

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art to which the present invention pertains without departing from the spirit and scope of the present invention as set forth in the claims below It will be appreciated that modifications and variations can be made.

1 is a block diagram showing an embodiment of a dual mode communication system for short-range communication in accordance with the present invention.

FIG. 2 is a detailed configuration diagram illustrating an embodiment of the first communication terminal illustrated in FIG. 1.

3 is a detailed configuration diagram showing an embodiment of the second communication terminal shown in FIG. 1;

4 is a flowchart illustrating an embodiment of a transmission process of dual mode communication according to the present invention.

5 is a flowchart illustrating an embodiment of a receiving process of dual mode communication according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: first communication terminal 110: control unit

120: display unit 130: dual communication mode switching unit

140: mobile communication module 150: first short-range communication module

160: handset 170: storage unit

180: input unit 200: second communication terminal

210: wireless LAN module 220: signal processing unit

230: mode selection unit 240: second short-range communication module

250: handset 300: repeater

Claims (17)

In a communication terminal supporting a dual communication mode, A mobile communication module for transmitting and receiving a signal through a mobile communication network; A near field communication module configured to transmit and receive signals with an adjacent near field communication module; And And a communication mode switching unit configured to switch the communication mode to any one of a mobile communication mode using the mobile communication module and a short range communication mode using the short range communication module. The method of claim 1, The short range communication module A communication terminal comprising any one of a Bluetooth module, a Zigbee module, and a Radio Frequency Identification (RFID) module. The method of claim 1, The communication mode switching unit And when the adjacent short range communication module is found, setting the communication setting priority of the short range communication module higher than that of the mobile communication module. The method of claim 3, wherein The communication mode switching unit When one of a call request signal and a data signal is received through the mobile communication module, the input signal is transmitted to a control unit connected to the communication mode switching unit, And the control unit provides the display unit with information corresponding to the input signal. The method of claim 1, The communication mode switching unit And a communication mode is automatically converted to the near field communication mode when a predetermined near field communication module is found. The method of claim 1, The communication mode switching unit And when the short range communication module leaves the communication enabled section, switches the communication mode to the mobile communication mode. In the communication terminal supporting the wireless LAN communication, A wireless LAN module for transmitting and receiving wireless LAN signals; A near field communication module configured to transmit and receive signals with an adjacent near field communication module; And And a signal processor for converting a signal received from the WLAN module into a voice signal and converting the voice signal received from the short range communication module according to the WLAN signal standard. The method of claim 7, wherein The WLAN module is A communication terminal characterized in that the communication module of any one of a WiFi (Wireless Fidelity) module and a WiBro (Wireless Broadband) module. The method of claim 7, wherein The short range communication module A communication terminal characterized in that the communication module of any one of a Bluetooth module, a Zigbee module and a Radio Frequency Identification (RFID) module. The method of claim 7, wherein Handset for transmitting and receiving a voice signal; And And a mode selector configured to set a communication mode to any one of the short range communication module and the handset. The method of claim 10, The mode selector Set the priority of the short-range communication module higher than the handset, And when the adjacent short-range communication module is not searched by the short-range communication module or when the user selects it, the priority of the handset is higher than that of the short-range communication module. In the dual mode communication method of a communication terminal having a mobile communication module and a short-range communication module, (a) setting a communication mode to a short range communication mode for transmitting and receiving a signal through a short range communication module; (b) converting and transmitting a call request signal including a telephone number into a short range communication signal; And (c) transmitting and receiving a voice signal using a handset of the communication terminal. The method of claim 12, In step (b), And wherein the telephone number is one of a telephone number stored in a memory of the communication terminal or a telephone number input through an input unit of the communication terminal. The method of claim 12, In step (c), When a call request signal or a data signal is received by the mobile communication module while transmitting and receiving the voice signal, And displaying the signal received by the mobile communication module on a display unit of the communication terminal. The method of claim 12, In step (c), When transmitting and receiving the voice signal When transmitting the voice signal, the modulated signal is transmitted in a set manner of the short range communication module, And demodulating the received voice signal into a baseband signal. In the communication method of a communication terminal having a wireless LAN module and a short-range communication module, (a) receiving a communication request signal from the short range communication module; (b) converting the received communication request signal into a WLAN protocol; And (c) transmitting a communication request signal converted into the WLAN protocol to a WLAN repeater. The method of claim 16, After step (c), Converting a voice signal received through a wireless LAN protocol into a wireless signal in a reversible frequency band through the wireless LAN repeater; And And modulating and transmitting the converted voice signal in a manner set in the short range communication module.
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US9020419B2 (en) 2011-01-14 2015-04-28 Covidien, LP Wireless relay module for remote monitoring systems having power and medical device proximity monitoring functionality
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