KR20160092745A - Method for reducing interference and electronic device thereof - Google Patents

Abstract

The present invention relates to an apparatus and method for avoiding interference in an electronic device. Here, the electronic device includes: at least one antenna for transmitting or receiving at least one signal of a first signal corresponding to a first communication network and a second signal corresponding to a second communication network; a first signal processing module for processing the first signal; and a second signal processing module for processing the second signal, wherein the first signal processing module includes a notch filter for filtering a predetermined frequency band, and the first signal processing module may remove a spurious component of the first signal transmitted through the first communication network using the notch filter, when the frequency bands of the first communication network and the second communication network are adjacent to each other or at least partially overlap each other. Various other embodiments may be applied.

Description

[0001] METHOD FOR REDUCING INTERFERENCE AND ELECTRONIC DEVICE THEREOF [0002]

Embodiments of the invention relate to an apparatus and method for avoiding interference by other networks in an electronic device.

The wireless communication system can provide a high-speed and high-quality packet data service from the voice service.

An electronic device supporting wireless communication can provide a plurality of communication services using a plurality of communication networks. For example, an electronic device can provide a voice call service and a data service through a circuit switching network and a packet switching network. For example, an electronic device can provide a simultaneous GSM and LTE (SGLTE) service for providing a voice call service and a data service through a global system for mobile communication (GSM) network and an LTE (Long Term Evolution) network.

Communication networks for providing a plurality of communication services in an electronic device may use overlapping or adjacent frequency bands. For example, electronic devices can provide SGLTE services using a GSM 1800 network using the frequency band 1710-1880 MHz and an LTE B39 network using the frequency band 1880 MHz ~ 1920 MHz. In this case, a problem may occur that a signal transmitted using the first communication network flows into the noise of the second communication network.

Embodiments of the present invention seek to provide an apparatus and method for avoiding interference from other networks in an electronic device.

An embodiment of the present invention seeks to provide an apparatus and method for increasing the degree of freedom of a configuration for avoiding interference in an electronic apparatus from another communication network.

According to an embodiment of the present invention, an electronic device includes at least one antenna for transmitting or receiving at least one of a first signal corresponding to a first communication network or a second signal corresponding to a second communication network, A first signal processing module for processing a signal and a second signal processing module for processing the second signal, wherein the first signal processing module includes a notch filter for filtering a predetermined frequency band, The first signal processing module may be configured such that when the frequency bands of the first communication network and the second communication network are adjacent to each other or at least partially overlapped with each other, The components can be removed.

According to an embodiment of the present invention, an operation method of an electronic device that provides a plurality of communication services using a first communication network and a second communication network includes an operation of confirming a frequency band of the first communication network and the second communication network And an operation of removing a spurious component of a signal of the first communication network by using a notch filter for filtering a predetermined frequency band when the frequency band of the first communication network and the second communication network are adjacent or at least partially overlapped, And transmitting the signal from which the spurious component is removed to the outside through the antenna.

The notch filter can be selectively used according to whether or not the frequency bands of the communication networks are adjacent in the electronic device according to various embodiments, thereby reducing the interference of the adjacent bands.

Further, by configuring the components (for example, the power amplification module, the switch, and the antenna switching module) for selectively using the notch filter according to whether the frequency bands of the communication networks are adjacent to each other in the electronic device, , The ease of implementation of the components for reducing the interference of the adjacent bands is improved, and the degree of integration of the terminals can be increased.

Figure 1 shows a block diagram of an electronic device according to one embodiment of the present invention.
2 shows a configuration of a signal processing module according to an embodiment of the present invention.
3 shows a configuration of a signal processing module according to an embodiment of the present invention.
4 shows a flow chart for avoiding interference of adjacent bands in an electronic device according to an embodiment of the present invention.
5 shows a flow chart for filtering a transmit signal using a notch filter in an electronic device according to an embodiment of the present invention.

Various embodiments of the invention will now be described with reference to the accompanying drawings. It should be understood, however, that the various embodiments of the present invention are not intended to be limited to the specific embodiments, but include various modifications, equivalents, and / or alternatives of the embodiments of the present invention . In connection with the description of the drawings, like reference numerals have been used for like elements.

In the present invention, the expression " having, " " having, " " comprising, "Quot;, and does not exclude the presence of additional features.

In the present invention, expressions such as "A or B", "at least one of A and / or B" or "one or more of A and / or B" may include all possible combinations of the items listed together. For example, "at least one of A or B," "at least one of A and B," or "at least one of A or B" includes (1) at least one A, (2) at least one B, (3) at least one A and at least one B all together.

Expressions such as " first, " " second, " " first, " or " second, " etc. used in various embodiments may denote various components irrespective of order and / or importance, I never do that. The above expressions can be used to distinguish one component from another. For example, the first user equipment and the second user equipment may represent different user equipment, regardless of order or importance. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be named as the first component.

(Or functionally or communicatively) coupled with / to "another component (eg, a second component), or a component (eg, a second component) Quot; connected to ", it should be understood that an element may be directly connected to another element, or may be connected through another element (e.g., a third element). On the other hand, when it is mentioned that a component (e.g. a first component) is "directly connected" or "directly connected" to another component (e.g. a second component) It can be understood that there is no other component (e.g., a third component) between the elements.

The phrase " configured to " as used herein is intended to encompass all types of conditions, such as, for example, having " suitable for, " "" Designed to, "" adapted to, "" made to, "or" capable of "can be used. The term " configured (or set) to " may not necessarily mean " specifically designed to " Instead, in some circumstances, the expression " an electronic device configured to " may mean that the electronic device can " do " with other electronic devices or components. For example, a processor configured (or configured) to perform the phrases " A, B, and C " may be a processor dedicated to performing the operation (e.g., an embedded processor), or one or more software programs (E.g., a CPU or an application processor) that is capable of performing the operations by executing the instructions.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the other embodiments. The singular expressions may include plural expressions unless the context clearly dictates otherwise. All terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by one of ordinary skill in the art. Commonly used predefined terms may be interpreted to have the same or similar meanings as the contextual meanings of the related art and are not to be construed as ideal or overly formal meanings unless explicitly defined in the present invention . In some cases, the terms defined in the present invention can not be construed as excluding the embodiments of the present invention.

An electronic device in accordance with various embodiments of the present invention can be used in various applications such as, for example, a smartphone, a tablet personal computer, a mobile phone, a videophone, an e-book reader reader, a desktop personal computer, a laptop personal computer, a netbook computer, a workstation, a server, a personal digital assistant (PDA), a portable multimedia player (PMP) Mobile medical devices, cameras, or wearable devices, such as smart glasses, head-mounted-devices (HMD), electronic apparel, electronic bracelets, An app apparel, an app apparel, an electronic app, an electronic app, an electronic tattoo, a smart mirror, or a smart watch.

In some embodiments, the electronic device may be a smart home appliance. The smart household appliances include, for example, televisions, digital video disk players, audio, refrigerators, air conditioners, vacuum cleaners, ovens, microwaves, washing machines, air cleaners, set- such as home automation control panel, security control panel, TV box such as Samsung HomeSync ™, Apple TV ™ or Google TV ™, game consoles such as Xbox ™ and PlayStation ™, An electronic key, a camcorder, or an electronic photo frame.

According to some embodiments, the electronic device may be a piece of furniture or a part of a building / structure, an electronic board, an electronic signature receiving device, a projector, : Water, electricity, gas, or radio wave measuring instruments, etc.). In various embodiments, the electronic device may be a combination of one or more of the various electronic devices described above. An electronic device according to some embodiments may be a flexible electronic device. In addition, the electronic device according to the embodiment of the present invention is not limited to the above-described devices, and may include a new electronic device according to technological advancement.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An electronic apparatus according to various embodiments will now be described with reference to the accompanying drawings. In the present invention, the term user may refer to a person using an electronic device or an electronic device using an electronic device (e.g., an artificial intelligence electronic device).

Embodiments of the present invention will now be described with reference to a technique for avoiding interference by other communication networks in an electronic device.

In various embodiments of the present invention, an electronic device can simultaneously provide a plurality of communication services using a plurality of communication networks. For example, an electronic device can simultaneously provide a voice call service using a CS network (e.g., GSM network) and a data service using a PS network (e.g., LTE network), such as simultaneous voice and LTE (SGLTE / SVLTE) have. In the following description, the communication networks supported by the electronic device may be referred to as a first communication network and a second communication network.

According to one embodiment, the first communication network may be a CDMA (Code Division Multiple Access) 1x, a WCDMA (Wideband Code Division Multiple Access), a TD-SCDMA (Time Division-Synchronous CDMA) And a CS (Circuit Switching) network to which a transmission technology such as Global System for Mobile communications (GSM) is applied. The second communication network may include a Packet Switching network using transmission technology such as Long Term Evolution (LTE) or Mobile WiMAX. Hereinafter, embodiments of the present invention will be described in terms of a first communication network as a CS network and a second communication network as a PS network for convenience of explanation. However, according to various embodiments of the present invention, The communication network can be a CS network.

1 shows a block diagram of an electronic device according to an embodiment of the present invention.

1, an electronic device 100 may include antennas 110 and 112, signal processing modules 120 and 140, transmit and receive modules 130 and 150, and a communication control module 160. For example, the electronic device 100 can transmit and receive signals of the first communication network using the first antenna 110, the first signal processing module 120, and the first transmission / reception module 130. The electronic device 100 can transmit and receive signals of the second communication network using the second antenna 112, the second signal processing module 140, and the second transmission / reception module 150.

According to one embodiment, the first antenna 110 may be operatively coupled to the electronic device 100 to transmit and receive signals for communication services (e.g., voice call services) that the electronic device 100 may provide have. For example, the antenna 110 may include an antenna included in the electronic device 100 itself or an antenna included in an external device communicating with the electronic device 100. [

According to one embodiment, the first signal processing module 120 may selectively perform interference cancellation on the transmission signal of the first communication network based on the frequency band of the first communication network. For example, when the frequency band of the first communication network and the frequency band of the second communication network are adjacent or at least partially overlapped, the first signal processing module 120 can perform interference cancellation on the transmission signal of the first communication network have.

According to one embodiment, the first signal processing module 120 may transmit the received signal of the first communication network received through the first antenna 110 to the first transmission / reception module 130. For example, the first signal processing module 120 may use a band pass filter (not shown) included in a receive path to select a frequency of a first communication network among signals received through the first antenna 110, The signal corresponding to the band can be extracted. The first signal processing module 120 may transmit a signal (extracted signal) corresponding to the frequency band of the first communication network that has passed through the band pass filter to the first transmission / reception module 130.

According to one embodiment, the first signal processing module 120 may include an antenna switching module 122, a notch filter 124, a switch 126, and a power amplification module 128.

According to one embodiment, the power amplification module 128 can amplify power to transmit the transmission signal of the first communication network provided from the first transmission / reception module 130 to the counterpart electronic device through the first antenna 110 have. For example, the power amplifying module 128 may include a first power amplifier for supporting a communication network such as a digital cellular service (DCS), a personal communication service (PCS), and a TD-SCDMA for a high frequency band, And a second power amplifier for supporting the second power amplifier. In addition, when the notch filter 124 is used to avoid interference due to the transmission signal of the first communication network in the high frequency band, the power amplifying module 128 may not use the notch filter 124 for the rest of the communication networks except for the DCS due to the limitation of the available frequency band. 3 power amplifier.

According to one embodiment, the switch 126 selects the first transmission path 121-1 or the second transmission path 121-2 based on whether the frequency band of the first communication network and the second communication network is adjacent or overlapping . For example, when the first communication network and the second communication network are adjacent to each other or at least partially overlap the frequency band, the switch 126 may transmit the first transmission path 121- 1) can be selected. That is, the switch 126 may connect the notch filter 124 and the power amplification module 128. For example, the switch 126 may select the second transmission path 121-1 when the first communication network and the second communication network do not use adjacent or at least partially overlapped frequency bands. That is, the switch 126 may connect the antenna switching module 122 and the power amplification module 128. For example, the switch 126 may include a single point diamond turning (SPDT) switch.

According to one embodiment, the notch filter 124 filters the spurious of the transmitted signal provided from the power amplification module 128 via the switch 126 to avoid interference effects on the second network . For example, when the electronic device 100 uses the GSM 1800 network as the first communication network and the LTE B39 network as the second communication network, the transmission signal of the GSM 1800 network transmitting through the frequency band of 1710 to 1785 MHz Can act as an interference of the LTE B39 network using the frequency band from 1880MHz to 1920MHz by the spurious component. Accordingly, the electronic device 100 can filter a signal (spurious component) in a frequency band other than 1710 to 1785 MHz using the notch filter 124 to avoid interference with the LTE B39 network.

According to one embodiment, the antenna switching module 122 can select a path for connecting the first antenna 110 and the first transmission / reception module 130. [ For example, when the electronic device 100 is operating in a transmission mode for the first communication network, the antenna switching module 122 may transmit a first transmission path (e.g., a first transmission path) based on the proximity of the frequency bands of the first communication network and the second communication network 121-1) or the second transmission path 121-2. For example, when the first communication network and the second communication network are adjacent to each other or at least partially overlap the frequency band, the antenna switching module 122 transmits the first transmission path 121- 1) can be selected. That is, the antenna switching module 122 may connect the first antenna 110 to the notch filter 124. For example, when the first communication network and the second communication network are not adjacent to each other or at least partially overlap the frequency band, the antenna switching module 122 may select the second transmission path 121-1. That is, the antenna switching module 122 may connect the switch 126 with the first antenna 110. For example, when the electronic device 100 operates in a reception mode for the first communication network, the antenna switching module 122 transmits a signal received through the first antenna 110 to the first transmission / reception module 130 The receiving path 121-3 can be selected. That is, the antenna switch module 122 may connect the first antenna 110 and the first transmission / reception module 130.

According to one embodiment, the first transceiver module 130 may control the operation of transmitting a signal through the first antenna 110 and the operation of receiving a signal from the first antenna 110. For example, the first transmission / reception module 130 may convert a radio frequency (RF) signal provided through the first signal processing module 120 into a baseband signal and transmit the baseband signal to the communication control module 160 have. For example, the first transmission / reception module 130 may convert an analog signal corresponding to the baseband received from the communication control module 160 into an RF signal and transmit the RF signal to the first signal processing module 120.

According to one embodiment, the second signal processing module 140 may include an antenna switching module 142 and a power amplification module 144.

According to one embodiment, the power amplification module 144 may amplify power to transmit a transmission signal of the second communication network provided from the second transmission / reception module 150 to the counterpart electronic device through the second antenna 112 have.

According to one embodiment, the antenna switching module 142 may select a path for connecting the second antenna 112 and the second transmission / reception module 150. For example, the antenna switching module 142 may select the transmit path 141-1 if the electronic device 100 is operating in a transmit mode for the second network. That is, the antenna switching module 142 may connect the second antenna 112 and the power amplification module 144. For example, the antenna switching module 142 may select the receive path 141-2 if the electronic device 100 is operating in the receive mode for the second network. That is, the antenna switching module 142 may connect the second antenna 112 and the second transmission / reception module 150.

According to one embodiment, the second transceiver module 150 may control the operation of transmitting a signal via the second antenna 112 and the operation of receiving a signal from the second antenna 112.

According to one embodiment, a communication control module (e.g., modem) 160 receives signals of at least one communication network included in a signal received from at least one of the first transmission / reception module 130 and the second transmission / reception module 150 (E.g., demodulated). For example, the communication control module 160 may include a first communication control module and a second communication control module that are logically or physically separated to process (e.g., demodulate) signals of a plurality of communication networks. For example, the first communication control module may process signals of the first communication network, and the second communication control module may process signals of the second communication network. Additionally or alternatively, the communication control module 160 may provide a voice call service using signals of the first communication network processed (e.g., demodulated) by the communication control module 160. Also, the communication control module 160 can provide the data service using the signal of the second communication network processed (e.g. demodulated) by the communication control module 160. [ In this case, the communication control module 160 can simultaneously provide the voice service using the first communication network and the data service using the second communication network, such as the SVLTE / SGLTE service.

According to one embodiment, a communication control module (e.g., modem) 160 may generate (e.g., modulate) a signal for transmission via the first transceiver module 130 or the second transceiver module 150. For example, the communication control module 160 may include a first communication control module and a second communication control module that are logically or physically divided to process (e.g., modulate) signals of a plurality of communication networks. For example, the first communication control module may modulate the signal of the first communication network, and the second communication control module may modulate the signal of the second communication network.

1, the electronic device 100 may include a first antenna 110 for a first communication network and a second antenna 112 for a second communication network.

According to various embodiments of the present invention, the electronic device 100 can transmit and receive signals of the first communication network and the second communication network using one antenna. For example, the antenna of the electronic device 100 may simultaneously or sequentially transmit or receive at least one of a signal of the first communication network or a signal of the second communication network.

2 shows a configuration of a signal processing module according to an embodiment of the present invention.

Referring to FIG. 2, the first signal processing module 120 of FIG. 1 may be configured by integrating at least some components into one module 200. For example, the first signal processing module 120 may include the antenna switching module 122, the switch 126, and the power amplification module 128 except for the notch filter 124 as one module 200 . For example, the notch filter 124 may be fixed in a frequency band that blocks a signal with a band-stop filter that blocks a signal of a specific frequency band. Accordingly, the first signal processing module 120 can integrate the remaining components except for the notch filter 124 into one module 200 so as to be applicable to various frequency bands.

2, the electronic device 100 connects the notch filter 124 corresponding to the frequency band of the first communication network to one module 200 so that the first signal processing module 120 can be used to transmit various frequency bands Lt; RTI ID = 0.0 > networks. ≪ / RTI > That is, the electronic device 100 can process signals of various frequency bands by using the first signal processing module 120 by changing the first transmission / reception module 130 and the notch filter 124.

3 shows a configuration of a signal processing module according to an embodiment of the present invention.

Referring to FIG. 3, the first signal processing module 120 may include a plurality of notch filters 310-1, 310-2, ..., 310-N to process signals of various frequency bands . For example, the first signal processing module 120 may include a plurality of notch filters 310-1, 310-2, ..., 310-3, ..., 310-3, ..., 310-N. In this case, the first signal processing module 120 may include a first switch 126 included in one integrated module 200 and a notch filter 310-1 corresponding to a frequency band of the first transmission / 310-2, or 310-N).

According to one embodiment, the second switch 300 includes at least one notch filter 310-1 or 310-2 or 310-N corresponding to the frequency band of the first switch 126 and the first transmission / reception module 130, Can be connected.

3, the electronic device 100 includes a notch filter 310-1 or 310-N corresponding to the frequency band of the first communication network among the plurality of notch filters 310-1, 310-2, ..., 310- 2 or 310-N), the first signal processing module 120 can process signals of communication networks of various frequency bands. For example, the electronic device 100 may support DSDA (dual SIM dual active) by selectively using a notch filter to correspond to a first communication network of 1805 to 1830 MHz and a second communication network of 1830 to 1850 MHz.

According to various embodiments of the present invention, an electronic device includes at least one antenna for transmitting or receiving at least one of a first signal corresponding to a first communication network or a second signal corresponding to a second communication network, 1 signal and a second signal processing module for processing the second signal, wherein the first signal processing module includes a notch filter for filtering a predetermined frequency band, The first signal processing module may be configured such that when the frequency bands of the first communication network and the second communication network are adjacent or at least partially overlapped with each other, Wave component can be removed.

In various embodiments, the first signal processing module may include a notch filter for removing spurious components of the first signal when the frequency bands of the first communication network and the second communication network are adjacent to each other, Can be deactivated.

The first signal processing module may include a power amplifying module for amplifying the power of the first signal and a power amplifying module for amplifying the power of the power amplifying module and the notch filter or the notch filter or the notch filter based on the frequency band of the first communication network and the second communication network. A switch for connecting the power amplifier module and the antenna switching module; an antenna switching module for connecting the antenna and the notch filter or the antenna and the switch based on the frequency bands of the first communication network and the second communication network; And a notch filter disposed between the module and the switch for removing a spurious component of the first signal received through the switch, wherein the power amplification module, the switch, and the antenna switching module are integrated into one module .

In various embodiments, the switch connects the power amplification module and the notch filter when the first communication network and the second communication network are adjacent to each other or at least partially overlaps the frequency band, The power amplifying module and the antenna switching module can be connected when the frequency bands of the second communication network are adjacent to each other or at least a part of the frequency bands do not overlap each other.

In various embodiments, the antenna switching module connects the antenna and the notch filter when the first communication network and the second communication network are adjacent to each other or at least partially overlaps the frequency band, If the frequency band of the second communication network is adjacent or at least partially non-overlapping, the antenna and the switch may be connected.

In various embodiments, when the spurious component of the first signal is removed, the first signal processing module may include a plurality of notch filters for filtering different frequency bands and corresponding to a frequency band of the first communication network And at least one notch filter may be used to remove the spurious component of the first signal.

In various embodiments, the first communication network may include a circuit switching network (CS) network, and the second communication network may include a packet switching network (PS) network.

In various embodiments, a communication control module providing at least one of a voice call service and a data service using a first signal processed in the first signal processing module and a second signal processed in the second signal processing module .

In various embodiments, the communication control module may provide an SVLTE or SGLTE service using a first signal processed in the first signal processing module and a second signal processed in the second signal processing module.

4 shows a flow chart for avoiding interference of adjacent bands in an electronic device according to an embodiment of the present invention.

Referring to FIG. 4, at operation 401, an electronic device (e.g., electronic device 100 of FIG. 1) may identify frequency bands of communication networks for providing a plurality of communication services. For example, if the electronic device provides the SGLTE service, the electronic device can confirm the frequency band of the GSM network for providing the voice call service and the frequency band of the LTE network for providing the data service.

At operation 403, the electronic device can verify that the frequency bands of the communication networks for providing a plurality of communication services are adjacent or at least partially overlapped.

In operation 407, the electronic device may transmit a transmission signal through at least one communication network if the frequency bands of communication networks for providing a plurality of communication services are adjacent or at least partially non-overlapping. For example, if the frequency band of the communication networks for providing a plurality of communication services is adjacent or at least partially non-overlapping, the electronic device 100 does not affect the interference of the signal of the first communication network to the second communication network . In this case, the antenna switching module 122 and the switch 126 of the first signal processing module 120 select the second transmission path 121-2 and transmit the power amplified transmission signal in the power amplification module 128 And can be transmitted to the outside through the first antenna 110.

At operation 405, the electronic device can remove the spurious components of the transmission signal of at least one communication network using a notch filter if the frequency bands of the communication networks for providing a plurality of communication services are adjacent or at least partially overlapped have. For example, when the electronic device uses the GSM 1800 network as the first communication network and the LTE B39 network as the second communication network, the transmission signal of the GSM 1800 network (the signal of the frequency band of 1710 to 1785 MHz) Can act as an interference of the LTE B39 network using the frequency band from 1880MHz to 1920MHz. In this case, the antenna switching module 122 and the switch 126 of the first signal processing module 120 select the first transmission path 121-2 and transmit the power amplified transmission signal in the power amplification module 128 To the notch filter 124. The electronic device 100 may filter the spurious components for the transmission signal of the GSM 1800 network using the notch filter 124 corresponding to the frequency band of the GSM 1800 network.

At operation 407, the electronic device may transmit a transmission signal from which spurious components have been removed. For example, the electronic device 100 can transmit a signal of the first communication network, from which a spurious component is removed, to the outside through the first antenna 110 by the notch filter 124.

5 shows a flow chart for filtering a transmit signal using a notch filter in an electronic device according to an embodiment of the present invention. The following description relates to an operation for filtering a transmission signal using a notch filter in Fig.

Referring to FIG. 5, in operation 501, an electronic device (e.g., electronic device 100 of FIG. 1) includes a plurality of notch filters in a signal processing module (e.g., first signal processing module 120 of FIG. 1) . For example, the electronic device 100 can confirm whether it includes a plurality of notch filters 310-1, 310-2, ..., 310-N corresponding to different frequency bands as shown in FIG.

In operation 505, if there is one notch filter corresponding to the transmit / receive module in the signal processing module, the electronic device can filter the transmit signal of at least one communication network using the notch filter.

In operation 503, if there are a plurality of notch filters in the signal processing module, the electronic device may select at least one notch filter corresponding to the frequency band of the communication network transmitting the signal among the plurality of notch filters.

At operation 505, the electronic device may filter the transmit signal of at least one communication network using at least one notch filter selected in operation 503. [

According to various embodiments of the present invention, an operating method of an electronic device providing a plurality of communication services using a first communication network and a second communication network includes the steps of: determining a frequency band of the first communication network and the second communication network An operation of removing a spurious component of a signal of the first communication network using a notch filter for filtering a predetermined frequency band when the operation and the frequency band of the first communication network and the second communication network are adjacent or at least partially overlapped; And transmitting the signal from which the spurious component is removed to the outside through the antenna.

In various embodiments, the method may further include transmitting the signal of the first communication network to the outside via the antenna if the frequency bands of the first communication network and the second communication network are adjacent to each other or at least partially not overlapped with each other have.

In various embodiments, the operation of removing the spurious component may include removing the spurious component of the signal of the first communication network using the notch filter and the power amplification module, the switch and the antenna switching module integrated into one module Operation.

In various embodiments, the operation of removing the spurious component includes, when the notch filters include a plurality of notch filters for filtering different frequency bands, at least one of the notch filters corresponding to the frequency band of the first communication network Selecting a notch filter, and removing the spurious component of the signal of the first communication network using the selected at least one notch filter.

In various embodiments, the first communication network may include a circuit switching network (CS) network, and the second communication network may include a packet switching network (PS) network.

In various embodiments, the electronic device may provide at least one of a voice call service and a data service using a first signal of the first communication network and a signal of the second communication network.

In various embodiments, the electronic device may provide an SVLTE or SGLTE service using the first signal of the first communication network and the signal of the second communication network.

The term " module " as used in various embodiments of the present invention may mean a unit that includes, for example, one or a combination of two or more of hardware, software or firmware. A " module " may be interchangeably used with terms such as, for example, unit, logic, logical block, component or circuit. A " module " may be a minimum unit or a portion of an integrally constructed component. A " module " may be a minimum unit or a portion thereof that performs one or more functions. &Quot; Modules " may be implemented either mechanically or electronically. For example, a " module " in accordance with various embodiments of the present invention may be implemented as an application-specific integrated circuit (ASIC) chip, field-programmable gate arrays (FPGAs) And a programmable-logic device.

Modules or programming modules according to various embodiments of the present invention may include at least one or more of the elements described above, some of which may be omitted, or may further include other additional elements. Operations performed by modules, programming modules, or other components in accordance with various embodiments of the invention may be performed in a sequential, parallel, iterative, or heuristic manner. Also, some operations may be performed in a different order, omitted, or other operations may be added.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. And the like. Accordingly, the scope of various embodiments of the present invention should be construed as being included in the scope of various embodiments of the present invention without departing from the scope of the present invention, all changes or modifications derived from the technical idea of various embodiments of the present invention .

Claims (16)

In an electronic device,
At least one antenna for transmitting or receiving at least one of a first signal corresponding to the first communication network or a second signal corresponding to the second communication network;
A first signal processing module for processing the first signal; And
And a second signal processing module for processing the second signal,
Wherein the first signal processing module includes a notch filter for filtering a predetermined frequency band,
The first signal processing module may be configured such that when the frequency bands of the first communication network and the second communication network are adjacent or at least partially overlapped with each other, Apparatus for removing wave components.
The method according to claim 1,
Wherein the first signal processing module deactivates the notch filter for removing the spurious component of the first signal when the frequency bands of the first communication network and the second communication network are adjacent or at least partially not overlapped.
The method according to claim 1,
Wherein the first signal processing module comprises:
A power amplifying module for amplifying the power of the first signal;
A switch for connecting the power amplifying module with the notch filter or the power amplifying module and the antenna switching module based on the frequency band of the first communication network and the second communication network;
The antenna switching module connecting the antenna and the notch filter or the antenna and the switch based on a frequency band of the first communication network and the second communication network; And
And a notch filter disposed between the antenna switching module and the switch for removing a spurious component of the first signal received through the switch,
Wherein the power amplification module, the switch, and the antenna switching module are integrated into one module.
The method of claim 3,
Wherein the switch connects the power amplifier module and the notch filter when the first communication network and the second communication network are adjacent to each other or at least partially overlap the frequency band,
And connects the power amplification module and the antenna switching module when the frequency bands of the first communication network and the second communication network are adjacent to each other or at least partially not overlapped.
The method of claim 3,
Wherein the antenna switching module connects the antenna and the notch filter when frequency bands of the first communication network and the second communication network are adjacent or at least partially overlapped,
And connects the antenna and the switch when the frequency bands of the first communication network and the second communication network are not adjacent to each other or at least partially overlap each other.
The method according to claim 1,
Wherein the first signal processing module includes at least one notch filter corresponding to a frequency band of the first communication network among a plurality of notch filters for filtering different frequency bands when the spurious component of the first signal is removed, To remove the spurious component of the first signal.
The method according to claim 1,
The first communication network includes a CS (Circuit Switching network) network,
Wherein the second communication network comprises a packet switching network (PS) network.
The method according to claim 1,
And a communication control module for providing at least one of a voice call service and a data service using the first signal processed by the first signal processing module and the second signal processed by the second signal processing module.
9. The method of claim 8,
The communication control module may be configured to perform simultaneous voice and LTE (SVLTE) or simultaneous GSM and LTE (SGLTE) services using a first signal processed in the first signal processing module and a second signal processed in the second signal processing module .
A method of operating an electronic device providing a plurality of communication services using a first communication network and a second communication network,
Confirming a frequency band of the first communication network and the second communication network;
Removing a spurious component of a signal of the first communication network using a notch filter that filters a predetermined frequency band when the first communication network and the second communication network are adjacent or at least partially overlapping the frequency band;
And transmitting the signal from which the spurious component is removed to the outside through an antenna.
11. The method of claim 10,
Further comprising transmitting the signal of the first communication network to the outside via the antenna when the frequency bands of the first communication network and the second communication network are adjacent or at least partially not overlapped.
11. The method of claim 10,
Wherein the operation of removing the spurious component includes:
And removing the spurious component of the signal of the first communication network using the notch filter and the power amplification module, the switch and the antenna switching module integrated into one module.
11. The method of claim 10,
Wherein the operation of removing the spurious component includes:
Selecting at least one notch filter corresponding to a frequency band of the first communication network among the notch filters when the notch filters include a plurality of notch filters for filtering different frequency bands;
And removing the spurious component of the signal of the first communication network using the selected at least one notch filter.
11. The method of claim 10,
The first communication network includes a CS (Circuit Switching network) network,
Wherein the second communication network comprises a Packet Switching network (PS) network.
11. The method of claim 10,
Wherein the electronic device provides at least one of a voice call service and a data service using a first signal of the first communication network and a signal of the second communication network.
16. The method of claim 15,
Wherein the electronic device provides a simultaneous voice and LTE (SVLTE) or simultaneous GSM and LTE (SGLTE) service using a first signal of the first communication network and a signal of the second communication network.

Images