KR20130127117A - Integrated gps/bt/wi-fi module - Google Patents

Integrated gps/bt/wi-fi module Download PDF

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Publication number
KR20130127117A
KR20130127117A KR1020120050787A KR20120050787A KR20130127117A KR 20130127117 A KR20130127117 A KR 20130127117A KR 1020120050787 A KR1020120050787 A KR 1020120050787A KR 20120050787 A KR20120050787 A KR 20120050787A KR 20130127117 A KR20130127117 A KR 20130127117A
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KR
South Korea
Prior art keywords
signal
gps
integrated
module
transmission unit
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KR1020120050787A
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Korean (ko)
Inventor
이욱재
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(주)와이솔
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Priority to KR1020120050787A priority Critical patent/KR20130127117A/en
Publication of KR20130127117A publication Critical patent/KR20130127117A/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Transceivers (AREA)

Abstract

The present invention relates to an integrated GPS / BT / Wi-Fi module, the integrated antenna for transmitting and receiving RF (Radio Frequency) signal; Receives and processes a GPS (Global Positioning System) signal, a BT (BlueTooth) signal, or a Wi-Fi (Wireless Fidelity) signal among the RF signals received through the integrated antenna, and generates and transmits a transmitted signal to the integrated antenna. A transceiver; And an integrated signal transmission unit configured to transfer the GPS signal, the BT signal, or the Wi-Fi signal after processing between the integrated antenna and the RF transceiver.

Description

Integrated GPS / Bluetooth / Wi-Fi Module {INTEGRATED GPS / BT / Wi-Fi MODULE}

The present invention relates to an integrated GPS / BT / Wi-Fi module, and more specifically, to integrate the GPS module, BT module and Wi-Fi module into a compact / ultra-lightweight structure, GPS / BT / Wi-Fi The structure of an integrated antenna for transmitting and receiving a signal also relates to an integrated GPS / BT / Wi-Fi module that can be formed into a compact / ultra lightweight structure.

A GPS module is a device that calculates a user's current position by receiving a signal from a GPS (Global Positioning System) satellite (about 1.57 ㎓ band), and refers to a device that is mounted on an electronic product and implements a satellite navigation system. It is widely used in fields such as smartphones, tablets, and PCs.

In addition, BT module is a device that enables Bluetooth (BT, BlueTooth) communication, and consists of a series of chips and antennas, and communicates with a Bluetooth wireless interface standard at a distance of about 10 to 100 meters (approximately 2.4 to 2.5 ㎓ Band).

A Wi-Fi module is a device that enables Wi-Fi (Wireless Fidelity) short-range communication (approximately 2.4-2.5 GHz band or 5 GHz band) and propagates where a wireless access device (AP) is installed. It also means a device that enables wireless internet using infrared transmission method or communicates with other Wi-Fi modules directly through P2P concept.

Such GPS, BT, and Wi-Fi modules are conventionally configured as independent (individual) modules and mounted on electronic products. Accordingly, when it is necessary to mount all GPS, BT, Wi-Fi modules on a specific electronic product. Various problems may occur in terms of product miniaturization and system stability.

Specifically, the GPS, BT, and Wi-Fi modules are all devices that communicate through RF signals, and there are devices that can be included in common with each other. Could be used. Therefore, miniaturization of the product can be prevented, social waste of electronic component devices can be caused, and system instability can be caused by redundant configurations of the devices.

In addition, when the GPS, BT, and Wi-Fi modules are configured as independent modules, the antennas of the respective modules are individually configured. Such a plurality of antenna configurations may hinder the miniaturization of the product and the stability of the system.

Therefore, the development of a new GPS / BT / Wi-Fi module that can solve the above problems is required.

The present invention has been made in order to satisfy the above-mentioned technical requirements, and it is an object of the present invention to solve the above problems and to provide a technique which can not be easily developed by those skilled in the art.

The integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention is to integrate the BT module, the Wi-Fi module, the GPS module in the form of a miniaturized and lightweight device.

In addition, an embodiment of the present invention to simplify the configuration of the GPS module, BT module and Wi-Fi module, and to improve the productivity as a problem.

In addition, the integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention, to simplify / miniaturize the configuration of the integrated antenna for transmitting and receiving a multi-frequency RF signal.

Integrated GPS / BT / Wi-Fi module according to the present invention for solving the above problems, Integrated antenna for transmitting and receiving RF (Radio Frequency) signal; Among the RF signals received through the integrated antenna, a GPS (Global Positioning System) signal, a BT (BlueTooth) signal or a Wi-Fi (Wireless Fidelity) signal is received and processed, and generates a transmission signal to the integrated antenna RF transmitting and receiving unit; And an integrated signal transmission unit configured to transfer the GPS signal, the BT signal, or the Wi-Fi signal after processing between the integrated antenna and the RF transceiver.

In addition, the integrated GPS / BT / Wi-Fi module according to the present invention, the integrated signal transmission unit, GPS signal transmission unit for processing and transmitting the GPS signal; And a BT / Wi-Fi signal transmitter for selectively processing and transmitting the BT signal or the Wi-Fi signal.

The integrated GPS / BT / Wi-Fi module according to the present invention may further include a GPS signal extractor configured to extract a GPS signal from an RF signal received from the integrated antenna.

In addition, the integrated GPS / BT / Wi-Fi module according to the present invention, the GPS signal extracting unit, and transmits the extracted GPS signal to the GPS signal transmission unit, the RF signal received from the integrated antenna to the BT / Wi -Fi signal transmission unit is characterized in that.

In addition, the integrated GPS / BT / Wi-Fi module according to the present invention, the GPS signal transmission unit, a low noise amplifier (LNA, Low Noise Amplifier) for processing the GPS signal (BNA) and the BPF (Band Pass Filter) It features.

In addition, the integrated GPS / BT / Wi-Fi module according to the present invention, the BT / Wi-Fi signal transmission unit, the first switch unit for selectively extracting the 5 GHz or 2.4-2.5 GHz signal; And a second switch unit for selectively transmitting the BT signal or the Wi-Fi signal in the frequency band selected by the first switch unit.

In addition, the integrated GPS / BT / Wi-Fi module according to the invention, between the integrated antenna and the RF transceiver, to selectively implement the connection by the GPS signal transmission unit or BT / Wi-Fi signal transmission unit Integrated switch unit for further comprising the integrated signal transmission unit.

In addition, the integrated GPS / BT / Wi-Fi module according to the present invention, the integrated switch unit is a single pole triple throw (SP3T) switch, two output terminals of the integrated switch unit is connected to the BT / Wi-Fi signal transmission unit One output terminal is connected to the GPS signal transmitting unit.

In addition, the integrated GPS / BT / Wi-Fi module according to the present invention, the GPS signal transmission unit, Pre-BPF, Post-BPF and a low noise amplifier (LNA, Low Noise Amplifier) for processing the GPS signal It is characterized by.

In addition, the integrated GPS / BT / Wi-Fi module according to the present invention, the BPF of the 5 kHz band and the BPF of 2.4-2.5 ㎓ band are connected to two output terminals connected to the BT / Wi-Fi signal transmission unit, respectively It is characterized by.

In addition, the integrated GPS / BT / Wi-Fi module according to the present invention, the BT / Wi-Fi signal transmission unit, selectively in the frequency band selected by the integrated switch unit, the BT signal or the Wi-Fi signal It characterized in that it comprises a second switch unit for transmission.

The integrated GPS / BT / Wi-Fi module according to the present invention is further characterized in that the integrated antenna is formed by a plurality of microstrip elements formed on a single dielectric substrate.

In addition, the integrated GPS / BT / Wi-Fi module according to the present invention, the integrated antenna, the first microstrip element is disposed on a dielectric substrate; A second microstrip element disposed in a shape surrounding the first microstrip element; And a third microstrip element disposed in a shape surrounding the second microstrip element.

In the integrated GPS / BT / Wi-Fi module according to the present invention, a first slot is formed between the first microstrip element and the second microstrip element, and the second microstrip element and the third microstrip are formed. A second slot is also formed between the strip elements.

The integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention may integrate the BT module, the Wi-Fi module and the GPS module in the form of a miniaturized and lightweight device.

In addition, the integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention, can significantly reduce the number of devices for GPS / BT / Wi-Fi implementation, thereby significantly reducing the productivity of the product Can be improved. In detail, the GPS / BT / Wi-Fi module according to an embodiment of the present invention may integrate elements commonly required in implementing a GPS module, a BT module, and a Wi-Fi module on one circuit. This can significantly improve the productivity of the product.

In addition, the integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention, while integrating the three modules of the GPS module, BT module and Wi-Fi module, the Wi-Fi module and BT in the integrated module again Modules can be integrated Therefore, through this dual integration structure, the configuration of the integration module can be implemented in a more simplified form.

In addition, the integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention, it is possible to simplify / miniaturize the configuration of the integrated antenna for transmitting and receiving RF signals of multiple frequencies. Specifically, the configuration of the integrated antenna may include a plurality of microstrip elements and slots formed on a single substrate, thereby simplifying / miniaturizing the configuration of the integrated antenna.

1 is a view showing the configuration of an integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention.
2 to 3 are views showing the configuration of the integrated GPS / BT / Wi-Fi module according to other embodiments of the present invention.
4 is a diagram illustrating a configuration of an integrated antenna that may be included in an integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention.

Hereinafter, an integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The embodiments are provided so that those skilled in the art can easily understand the technical spirit of the present invention, and thus the present invention is not limited thereto. In addition, matters represented in the accompanying drawings may be different from the form actually embodied in the schematic drawings in order to easily explain the embodiments of the present invention.

Hereinafter, referring to FIG. 1, an integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention will be described in detail.

1, the integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention, the integrated antenna 100 for transmitting and receiving RF (Radio Frequency) signal, among the RF signal received through the integrated antenna Receives and processes a GPS (Global Positioning System) signal, a BT (BlueTooth) signal or a Wi-Fi (Wireless Fidelity) signal, and generates and transmits a transmission signal to the integrated antenna, the integrated antenna and Between the RF transceiver, the integrated signal transmission unit 200 for processing after the GPS signal, the BT signal or the Wi-Fi signal and transfers the operation, the integrated antenna, the integrated signal transmitter and the RF transceiver It may include a control unit for controlling.

The integrated antenna 100 is a configuration for transmitting and receiving RF (Radio Frequency) signal, and receives an RF signal from the outside of the module, or transmits a signal transmitted from the RF transceiver 300 in the form of an RF signal to the outside of the module. It means the configuration.

The integrated antenna 100 preferably transmits and receives a multi-band frequency signal to implement an integrated GPS / BT / Wi-Fi module. Specifically, the integrated antenna 100 may transmit / receive all GPS signals, BT signals, and Wi-Fi signals. It is preferred to consist of a multi-band antenna.

In addition, the integrated antenna 100 is preferably configured as an antenna of an integrated structure capable of transmitting and receiving a GPS / BT / Wi-Fi signal as a body, by this configuration integrated GPS / BT / Wi-Fi The structure of the module can be further miniaturized and simplified.

On the other hand, the integrated antenna 100 is preferably configured through a structure such as a microstrip antenna or a patch antenna, the structure of the integrated GPS / BT / Wi-Fi module can be further miniaturized and simplified. .

The RF transceiver 300 is configured to receive and process a GPS signal, a BT signal, or a Wi-Fi signal from the RF signals received through the antenna, and generate and transmit a transmission signal to the integrated antenna 100. it means. In detail, the GPS signal, the BT signal, and the Wi-Fi signal transmitted from the outside are selectively received through the integrated antenna 100 and the integrated signal transmitter 200 to process and calculate a received signal, and to transmit a transmitted signal. It means to generate and deliver to the integrated signal transmission unit 200 and the integrated antenna (100).

The RF transceiver 300 may be configured to include a GPS receiver, a BT transceiver, and a Wi-Fi transceiver, and may process and calculate GPS signals, BT signals, and Wi-Fi signals by such configurations. Can be.

In addition, the RF transceiver 300 may simultaneously transmit and receive the GPS signal, the BT signal, and the Wi-Fi signals, and in this case, the BT signal and the Wi-Fi signal prevent collision or interference of frequencies. It is preferable to selectively transmit and receive for processing. That is, it is preferable to simultaneously process the GPS signal and the BT signal, or simultaneously process only the GPS signal and the Wi-Fi signal.

The integrated signal transmission unit 200 means a configuration that is transmitted between the integrated antenna 100 and the RF transceiver 300 after processing the GPS signal, the BT signal, or the Wi-Fi signal. . In detail, the GPS / BT / Wi-Fi signals are all received from the integrated antenna 100 and transmitted to the RF transceiver 300 after signal processing, and the GPS / BT / received from the RF transceiver 300. Means a configuration for transmitting all the Wi-Fi transmission signals to the integrated antenna (100).

The integrated signal transmission unit 200 passes RF signals received by the integrated antenna 100 through band pass filters (BPFs), extracts GPS signals, BT signals, and Wi-Fi signals, and extracts the extracted signals. After processing the transfer to the RF transceiver 300. Specifically, only GPS / BT / Wi-Fi signals are passed through BPFs that pass 5 GHz, 2.4-2.5 ㎓ and 1.57 ㎓ bands, and signal processing processes such as LNA (Low Noise Amplifier) and PA (Power Amplifier) are performed. After roughness, the RF transceiver 300 transmits a signal. In addition, the integrated signal transmitter 200 may also transmit a transmission signal received from the RF transceiver 300 to the integrated antenna 100. Accordingly, the integrated antenna 100 may transmit / receive RF signals. It processes the signal in both directions between the unit 300 and delivers it.

On the other hand, the integrated signal transmission unit 200 may be configured to selectively transfer the GPS signal, BT signal or Wi-Fi signal between the integrated antenna 100 and the RF transceiver 300. There may be further configured switch configuration for the implementation of such selective delivery.

In addition, the integrated signal transmission unit 200, the GPS signal transmission unit 220 for processing and transmitting the GPS signal, BT / Wi-Fi signal transmission for selectively processing and transmitting the BT signal or Wi-Fi signal. The unit 240 may be included, and even within the structure of the integrated GPS / BT / Wi-Fi module, the BT signal transfer unit and the Wi-Fi signal transfer unit may have an integrated structure. For example, BT / Wi-Fi signals with similar frequency bands may be configured to share a BPF filter. This structure further reduces the size of the integrated module and prevents redundant use of electronic components. You can.

The controller refers to a configuration for controlling the components of the integrated GPS / BT / Wi-Fi module including the integrated antenna 100, the RF transceiver 300, and the integrated signal transmitter 200.

The control unit controls the transmission and reception of the RF signal of the integrated antenna 100, controls the filtering, signal processing operation, switching operation, etc. of the integrated signal transmission unit 200, the signal of the RF transceiver 300 Control operations such as processing and operations.

In addition, the controller may be formed in various forms through various computing devices.

Hereinafter, an integrated GPS / BT / Wi-Fi module according to another embodiment of the present invention will be described in detail with reference to FIG. 2.

2, in the integrated GPS / BT / Wi-Fi module according to another embodiment of the present invention, the integrated signal transmission unit 200, the GPS signal transmission unit 220 for processing and transmitting the GPS signal and the It may include a BT / Wi-Fi signal transmission unit 240 for selectively processing and transmitting a BT signal or Wi-Fi signal, the GPS signal transmission unit 220 and BT / Wi-Fi signal transmission unit 240 ) May be connected to the integrated antenna 100 through the GPS signal extractor 260.

The GPS signal extractor 260 is configured to extract a GPS signal from the RF signal received by the integrated antenna 100. The GPS signal extractor 260 transfers the extracted GPS signal to the GPS signal transmitter 220, and the GPS signal is not extracted. Means that the configuration to transfer the RF signal of all bands (All Band) to the BT / Wi-Fi signal transmission unit 240.

The GPS signal extractor 260 may be configured in various forms. Preferably, the GPS signal extractor 260 may be configured to include a BPF for passing around 1.57 GHz band and an APF (All Pass Filter) for passing all bands. That is, while branching the signal transmitted from the integrated antenna 100 to pass through the BPF or APF, and transmits the signal passing through the BPF to the GPS signal transmission unit 220, the signal passing through the APF filter The BT / Wi-Fi signal transmitting unit 240 may be configured to be transmitted.

The GPS signal transmitter 220 may be configured to receive a GPS signal transmitted from the GPS signal extractor 260 and transmit the received GPS signal to the RF transceiver 300 after signal processing.

The GPS signal transmitter 220 may include a BPF 224 and a low noise amplifier 222 (LNA, Low Noise Amplifier) for passing a signal of about 1.57 kHz, which is a frequency band of the GPS signal. Processes the GPS signal transmitted by the, and transmits the processed signal to the RF transceiver 300. Specifically, the GPS signal is selected / extracted through the BPF 224, and the signal is amplified in the state of reducing noise through the LNA 222. After such signal processing, the RF transceiver 300 is transmitted to the RF transceiver 300. Will carry a signal.

The BT / Wi-Fi signal transmitter 240 selectively extracts a BT signal or a Wi-Fi signal from the RF signal received from the GPS signal extractor 260, processes the extracted signal, and processes the extracted signal. This means a configuration for transmitting to the RF transceiver 300.

The BT / Wi-Fi signal transmission unit 240 may include a first switch unit 242, a BPF of 5 GHz band, a BPF of 2.4-2.5 GHz band, a second switch unit 244, LNA, PA, and the like. The BT / Wi-Fi signal transmission unit 240 may be formed in a simplified form through the connection of the components.

Here, the first switch unit 242 selectively transfers the RF signal transmitted from the GPS signal extraction unit 260 to a BPF of 5 GHz band or a BPF of 2.4-2.5 GHz band (or the BPF of 5 GHz band). Or a signal transmitted from the BPF in the 2.4-2.5 GHz band to the integrated antenna 100). The first switch unit 242 selectively connects the BPFs under the control of the integrated module controller. Specifically, the integrated GPS / BT / Wi-Fi module is a Wi-Fi module or a BT module of the 2.4-2.5 ㎓ band. In case of operating as BPF in 2.4-2.5 ㎓ band, the connection is configured in BPF in 5 ㎓ band when the integrated GPS / BT / Wi-Fi module operates as a Wi-Fi module in 5 ㎓ band. do.

In addition, the second switch unit 244 is a configuration for selectively transmitting the BT signal or the Wi-Fi signal in the frequency band selected by the first switch unit 242. In detail, the second switch unit 244 selectively transmits a signal passing through the BPF of the 2.4-2.5 GHz band or the BPF of the 5 GHz band to the RF transceiver 300 under the control of an integrated module controller. (Or selectively transmits the signal transmitted from the RF transceiver 300 to the BPF of the 2.4-2.5 GHz band or the BPF of the 5 GHz band), in which case the second switch unit 244 According to the switching operation, the selective connection with the BT transceiver or the Wi-Fi transceiver included in the RF transceiver 300 is configured.

Referring to the operation of selectively transmitting the BT signal or the Wi-fi signal by the operation of the first switch unit 242 and the second switch unit 244, the integrated GPS / BT / Wi-Fi module is first When operating as a BT module, the first switch unit 242 configures an optional connection with a BPF of 2.4-2.5 ㎓ band, and the second switch unit 244 transmits and receives BT of the RF transceiver 300. Make an optional connection with wealth. In addition, when an integrated GPS / BT / Wi-Fi module operates as a Wi-Fi module of a 5 GHz band, the first switch configures an optional connection with a BPF of 5 GHz band, and the second switch is the RF. Configure an optional connection with the Wi-Fi transceiver of the transceiver 300. When the integrated GPS / BT / Wi-Fi module operates as a Wi-Fi module in the 2.4-2.5 ㎓ band, the first switch configures an optional connection with a BPF in the 2.4-2.5 ㎓ band, and the second switch Configures an optional connection with the Wi-Fi transceiver of the RF transceiver 300.

On the other hand, the LNA and PA is a configuration for signal processing of the transmitted signals, it means a configuration that serves to reduce the noise or amplify the signal.

Hereinafter, an integrated GPS / BT / Wi-Fi module according to another embodiment of the present invention will be described in detail with reference to FIG. 3.

Referring to FIG. 3, in the integrated GPS / BT / Wi-Fi module according to another embodiment of the present invention, the integrated signal transmitter 200 may include a GPS signal transmitter 220 that processes and transmits a GPS signal. It may include a BT / Wi-Fi signal transmission unit 240 for selectively processing and transmitting a BT signal or Wi-Fi signal, the GPS signal transmission unit 220 and BT / Wi-Fi signal transmission unit 240 ) May be connected to the integrated antenna 100 through an integrated switch unit 280.

The integrated switch unit 280 selectively connects between the integrated antenna 100 and the RF transceiver 300 by the GPS signal transmitter 220 or the BT / Wi-Fi signal transmitter 240. It means the configuration to implement.

The integrated switch unit 280 may be preferably configured as a single pole triple throw (SP3T) switch, where two output terminals are included in the 5 ㎓ band included in the BT / Wi-Fi signal transmission unit 240. Is connected to the BPF and the BPF for the 2.4-2.5 ㎓ band, one output terminal is connected to the GPS signal transmitting unit 220, and one input terminal is preferably connected to the integrated antenna 100. Do. Therefore, the BT / Wi-Fi signal transmission unit 240 (BPF for 5 GHz band or BPF for 2.4-2.5 GHz band) or the GPS signal transmission unit 220 through the structure through the integrated antenna 100 ) To be connected.

On the other hand, the integrated switch unit 280 transmits the RF signal transmitted from the integrated antenna 100 to the BT / Wi-Fi signal transmission unit 240 or the GPS signal transmission unit 220 as it is, the BT / The signal transmitted from the Wi-Fi signal transmitter 240 or the GPS signal transmitter 220 is transmitted to the integrated antenna 100 as it is.

The GPS signal transmitting unit 220 refers to a configuration of extracting the GPS signal from the RF signal received from the integrated switch unit 280 and processing the signal, and transmitting the signal to the RF transceiver 300 after signal processing. .

The GPS signal transmitting unit 220 may include a BPF and a low noise amplifier (LNA) for passing a signal of about 1.57 kHz, which is a frequency band of the GPS signal. The signal is processed, and the processed signal is transmitted to the RF transceiver 300. Specifically, the GPS signal is selected and passed through the BPF, the signal is amplified in the state of reducing noise through the LNA 222, and the signal is transmitted to the RF transceiver 300 after such signal processing. .

Meanwhile, the GPS signal transmitter 220 may be configured in a form in which a pre-BPF 226, an LNA 222, and a post-BPF 228 are connected to each other. The frequency selection of the GPS signal through the dual BPF structure is performed. The characteristic can be further improved.

The BT / Wi-Fi signal transmitter 240 selectively extracts a BT signal or a Wi-Fi signal from the RF signal received from the integrated switch unit 280, processes the extracted signal, and then processes the extracted signal. It means a configuration to transmit to the RF transceiver 300.

The BT / Wi-Fi signal transmission unit 240 may include a BPF of 5 GHz band, a BPF of 2.4-2.5 GHz band, a second switch unit 244, LNA, PA, and the like. The BPF of the 5 GHz band and the BPF of the 2.4-2.5 GHz band may be independently connected to the output terminal of the integrated switch unit 280, respectively, and filter the RF signal received from the integrated switch unit 280 and The second switch unit 244 selectively performs the role of transmitting (in addition, the role of transmitting the signal transmitted from the second switch unit 244 to the integrated antenna 100 is also selectively performed).

The second switch unit 244 is a component for selectively transmitting the BT signal or the Wi-Fi signal in the frequency band selected by the integrated switch unit 280. Specifically, the second switch unit 244 selectively transmits a signal passing through the BPF of the 2.4-2.5 GHz band or the BPF of the 5 GHz band to the RF transceiver 300 (or the RF transceiver ( And selectively transfer the signal transmitted from the 300 to the BPF of the 2.4-2.5 ㎓ band or the BPF of the 5 ㎓ band). In this case, the second switch unit 244 transmits and receives the RF according to a switching operation. Selective connection with the BT transceiver or Wi-Fi transceiver included in the unit 300 is configured.

The operation of selectively transferring the BT signal or the Wi-fi signal by the operation of the integrated switch unit 280 and the second switch unit 244, first, the integrated GPS / BT / Wi-Fi module is BT module In the case of operating as the integrated switch unit 280 forms a selective connection with the BPF of the 2.4-2.5 ㎓ band, the second switch unit 244 is selected with the BT transceiver of the RF transceiver 300 Configure a connection. In addition, when the integrated GPS / BT / Wi-Fi module operates as a 5 ㎓ Wi-Fi module, the integrated switch unit 280 configures a selective connection with a 5 ㎓ BPF and the second switch. Configures an optional connection with the Wi-Fi transceiver of the RF transceiver 300. When the integrated GPS / BT / Wi-Fi module operates as a Wi-Fi module of the 2.4-2.5 mW band, the integrated switch unit 280 configures an optional connection with the BPF of the 2.4-2.5 mW band. The second switch configures a selective connection with the Wi-Fi transceiver of the RF transceiver 300.

On the other hand, the LNA and PA is a configuration for signal processing of the transmitted signals, it means a configuration that serves to reduce the noise or amplify the signal.

Hereinafter, the configuration of an integrated antenna 100 that may be included in an integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention will be described in detail with reference to FIG. 4.

Referring to FIG. 4, an integrated antenna 100 that may be included in an integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention may be formed by a plurality of microstrip elements formed on a single dielectric substrate. have. Therefore, the structure of the integrated antenna 100 can be significantly simplified by this form, and the structure of the integrated GPS / BT / Wi-Fi module including the integrated antenna 100 can be miniaturized.

In detail, the integrated antenna 100 may include a first microstrip element 110 disposed on a dielectric substrate, a second microstrip element 130 surrounding the first microstrip element 110, and the second microstrip element. And a third microstrip element 150 surrounding the strip element 130. The first microstrip element 110, the second microstrip element 130, and the third microstrip element 150 may be formed. Through this, antenna elements capable of resonating in about 5 kHz band, 2.4-2.5 kHz band and 1.57 57 band can be integrated. Therefore, an integrated antenna 100 for transmitting and receiving GPS / BT / Wi-Fi signals may be implemented through the first microstrip element 110, the second microstrip element 130, and the third microstrip element 150. have.

In addition, the integrated antenna 100 may include a first slot 170, the second microstrip element 130, and a third microstrip between the first microstrip element 110 and the second microstrip element 130. It is preferable to further include a second slot 190 between the device 150, the first slot 170 and the second slot 190 serves as a capacitor (capacitor), this role Accordingly, the first microstrip, the second microstrip, and the third microstrip element 150 are coupled to each other.

In addition, the integrated antenna 100 may be fed in various forms. Preferably, the integrated antenna 100 may be configured to be fed into the first microstrip element 110.

Referring to the operation of the integrated antenna 100, first, when a 5 kHz signal is fed to the first microstrip element 110, the first microstrip element 110 is resonated at a corresponding frequency. In addition, when a signal of the 2.4 ~ 2.5 kHz band is fed to the first microstrip element 110, the coupling signal of the signal transmitted to the first microstrip element 110 is the first microstrip element 110. The first microstrip element 110 and the second microstrip element 130 are resonated in the 2.4-2.5 GHz band. When the signal of about 1.57 kHz band is supplied to the first microstrip element 110, the coupling signals of the signal transmitted to the first microstrip element 110 are transmitted to the second microstrip element 130 and the first microstrip element 110. The first microstrip element 110, the second microstrip element 130, and the third microstrip element 150 are resonated in a band of about 1.57 GHz. Therefore, according to the operation of the integrated antenna 100, while taking a simplified / miniaturized structure, it is possible to integrally transmit and receive signals in the GPS / BT / Wi-Fi frequency band.

As described above, the integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention may integrate a BT module, a Wi-Fi module, and a GPS module in the form of a compact and lightweight device. .

In addition, the integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention, can significantly reduce the number of devices for GPS / BT / Wi-Fi implementation, thereby significantly reducing the productivity of the product Can be improved. In detail, the GPS / BT / Wi-Fi module according to an embodiment of the present invention may integrate elements commonly required in implementing a GPS module, a BT module, and a Wi-Fi module on one circuit. This can significantly improve the productivity of the product.

In addition, the integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention, while integrating the three modules of the GPS module, BT module and Wi-Fi module, the Wi-Fi module and BT in the integrated module again Modules can be integrated Therefore, through this dual integration structure, the configuration of the integration module can be implemented in a more simplified form.

In addition, the integrated GPS / BT / Wi-Fi module according to an embodiment of the present invention, it is possible to simplify / miniaturize the configuration of the integrated antenna 100 for transmitting and receiving a multi-frequency RF signal. Specifically, the configuration of the integrated antenna 100 may be configured by a plurality of microstrip elements and slots formed on a single substrate, thereby simplifying / miniaturizing the configuration of the integrated antenna 100.

The embodiments of the present invention described above are disclosed for the purpose of illustration, and those skilled in the art may make various modifications, changes, and additions within the spirit and scope of the present invention. Changes, changes, and additions should be considered to be within the scope of the claims.

100: integrated antenna 110: first microstrip element
130: second microstrip element 150: third microstrip element
170: first slot 190: second slot
200: integrated signal transmitter 220: GPS signal transmitter
222: LNA 224: BPF
226: pre-BPF 228: post-BPF
240: BT / Wi-Fi signal transmission unit 242: first switch unit
244: second switch unit 260: GPS signal extraction unit
280: integrated switch unit 300: RF transceiver

Claims (14)

An integrated antenna for transmitting and receiving an RF signal;
Among the RF signals received through the integrated antenna, a GPS (Global Positioning System) signal, a BT (BlueTooth) signal or a Wi-Fi (Wireless Fidelity) signal is received and processed, and generates a transmission signal to the integrated antenna RF transmitting and receiving unit; And
An integrated signal transmitter configured to transfer the GPS signal, the BT signal, or the Wi-Fi signal after the integrated antenna and the RF transceiver;
Integrated GPS / BT / Wi-Fi module, including.
The method of claim 1,
The integrated signal transmission unit,
A GPS signal transmitter for processing and transmitting the GPS signal; And
A BT / Wi-Fi signal transmitter for selectively processing and transmitting the BT signal or the Wi-Fi signal;
Integrated GPS / BT / Wi-Fi module comprising a.
3. The method of claim 2,
The integrated signal transmission unit,
A GPS signal extracting unit extracting a GPS signal from the RF signal received by the integrated antenna;
Integrated GPS / BT / Wi-Fi module characterized in that it further comprises.
The method of claim 3, wherein
The GPS signal extraction unit,
Delivering the extracted GPS signal to the GPS signal transmission unit;
Integrated GPS / BT / Wi-Fi module, characterized in that for transmitting the RF signal received from the integrated antenna to the BT / Wi-Fi signal transmission unit.
5. The method of claim 4,
The GPS signal transmission unit,
Integrated GPS / BT / Wi-Fi module comprising a low noise amplifier (LNA) and Band Pass Filter (BPF) for processing the GPS signal.
5. The method of claim 4,
The BT / Wi-Fi signal transmission unit,
A first switch unit for selectively extracting a 5 kHz or 2.4-2.5 GHz signal; And
A second switch unit for selectively transmitting the BT signal or the Wi-Fi signal in a frequency band selected by the first switch unit;
Integrated GPS / BT / Wi-Fi module comprising a.
3. The method of claim 2,
The integrated signal transmission unit,
An integrated switch unit for selectively implementing a connection between the integrated antenna and the RF transceiver, by the GPS signal transmitter or the BT / Wi-Fi signal transmitter;
Integrated GPS / BT / Wi-Fi module characterized in that it further comprises.
The method of claim 7, wherein
The integrated switch unit is a single pole triple throw (SP3T) switch,
And two output terminals are connected to the BT / Wi-Fi signal transmitter, and one output terminal is connected to the GPS signal transmitter.
The method of claim 8,
The GPS signal transmission unit,
Integrated GPS / BT / Wi-Fi module comprising Pre-BPF, Post-BPF and Low Noise Amplifier (LNA) for processing the GPS signal
The method of claim 8,
The integrated GPS / BT / Wi-Fi module, characterized in that the BPF of 5 GHz band and the BPF of 2.4-2.5 GHz band are connected to two output terminals connected to the BT / Wi-Fi signal transmitter.
11. The method of claim 10,
The BT / Wi-Fi signal transmission unit,
A second switch unit for selectively transferring the BT signal or the Wi-Fi signal in the frequency band selected by the integrated switch unit;
Integrated GPS / BT / Wi-Fi module comprising a.
The method of claim 1,
The integrated antenna,
Integrated GPS / BT / Wi-Fi module, characterized in that formed by a plurality of microstrip elements formed on a single dielectric substrate.
13. The method of claim 12,
The integrated antenna,
A first microstrip element disposed on the dielectric substrate;
A second microstrip element disposed in a shape surrounding the first microstrip element; And
3. The integrated GPS / BT / Wi-Fi module comprising a third microstrip element disposed in a shape surrounding the second microstrip element.
The method of claim 13,
A first slot is formed between the first microstrip element and the second microstrip element.
An integrated GPS / BT / Wi-Fi module, characterized in that the second slot is formed between the second microstrip element and the third microstrip element.
KR1020120050787A 2012-05-14 2012-05-14 Integrated gps/bt/wi-fi module KR20130127117A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10187091B2 (en) 2014-12-03 2019-01-22 Samsung Electronics Co., Ltd. Device for performing communication and method thereof
WO2024177261A1 (en) * 2023-02-23 2024-08-29 삼성전자주식회사 Wireless communication module and controlling method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10187091B2 (en) 2014-12-03 2019-01-22 Samsung Electronics Co., Ltd. Device for performing communication and method thereof
WO2024177261A1 (en) * 2023-02-23 2024-08-29 삼성전자주식회사 Wireless communication module and controlling method thereof

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