CN105827252A - Method for reducing interference and electronic device thereof - Google Patents
Method for reducing interference and electronic device thereof Download PDFInfo
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- CN105827252A CN105827252A CN201610055829.0A CN201610055829A CN105827252A CN 105827252 A CN105827252 A CN 105827252A CN 201610055829 A CN201610055829 A CN 201610055829A CN 105827252 A CN105827252 A CN 105827252A
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- 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
- H04B1/0064—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 separate antennas for the more than one band
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- 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
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- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
Abstract
Embodiments of the present disclosure relate to a device and method for avoiding interference in an electronic device. The electronic device comprises: at least one antenna that transmits or receives at least one 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 comprises a notch filter for filtering a predetermined frequency band, and when the band of the first communication network and the band of the second communication network are adjacent to each other or at least a portion of the band of the first communication network overlaps with at least a portion of the band of the second communication network, the first signal processing module removes the clutter portion of the first signal transmitted through the first communication network.
Description
Technical field
The equipment of the interference that the embodiment of present disclosure relates to avoid another communication network to cause in an electronic and method.
Background technology
Wireless communication system can not only provide voice service, moreover it is possible to provides the Packet data service of high-speed high-quality.
The electronic installation supporting radio communication can provide multiple communication services by using multiple communication networks.Such as, electronic installation can pass through circuit switching (CS) network and packet switch (PS) network provides voice conversation business and data service.Such as, electronic installation can provide, by the global system for mobile communication (GSM) network and Long Term Evolution (LTE) network, the business synchronizing to support GSM and LTE (SGLTE), in order to provides voice conversation business and data service.
Summary of the invention
Electronic installation is used for providing the communication network of multiple communication services may use overlapping or adjacent frequency band.Such as, electronic installation can utilize the GSM1800 network of frequency band of 1710-1880MHz by use and utilize the LTEB39 network of frequency band of 1880-1920MHz, it is provided that SGLTE business.In this case, in an electronic, there is the problem that the signal using the first communication network to launch is incorporated by the noise of the second communication network.
The embodiment of present disclosure provides a kind of equipment and method, for avoiding the interference caused by another communication network in an electronic.
The embodiment of present disclosure provides a kind of equipment and method, for improving for avoiding the degree of freedom of the configuration of interference caused by another communication network in an electronic.
According to the embodiment of present disclosure, a kind of electronic installation includes: launch or receive at least one antenna of at least one signal in the middle of first signal corresponding with the first communication network and the secondary signal corresponding with the second communication network；Process the first signal processing module of the first signal；With the secondary signal processing module processing secondary signal, wherein the first signal processing module includes the notch filter filtering predetermined frequency band, and when the frequency band of the first communication network and the frequency band of the second communication network is adjacent one another are or when the overlapping each other at least partially of frequency band of at least some of and second communication network of the frequency band of the first communication network, the first signal processing module removes the noise component of the first signal launched by the first communication network.
According to the embodiment of present disclosure, a kind of to for the method by using the first communication network and the second communication network to provide the electronic installation of multiple communication services to operate, including: identify the first communication network and the frequency band of the second communication network；At the frequency band of the first communication network and the frequency band of the second communication network is adjacent one another are or when the overlapping each other at least partially of frequency band of at least some of and second communication network of the frequency band of the first communication network, use the noise component of the signal removing the first communication network for the notch filter filtering predetermined frequency band；By antenna, the most removed for noise component therein signal is transmitted into outside.
Electronic installation according to each embodiment is according to whether the frequency band of communication network is adjacent one another are and optionally use notch filter, thus reduces the interference between nearby frequency bands.
Further, in an electronic, for according to whether the frequency band of communication network is adjacent one another are and optionally use the parts of notch filter (such as, power amplifier module, switch and the handover module that communicates) it is configured to a module (such as, chip), make it possible to improve for reducing the convenience that the parts of the interference between nearby frequency bands are installed, thus, it is possible to improve the degree of integration of terminal.
Accompanying drawing is translated
Described in detail below by being considered in conjunction with the accompanying, the above and other aspects, features and advantages of present disclosure will become apparent from, in the accompanying drawings:
Fig. 1 is the block diagram of the electronic installation illustrating the embodiment according to present disclosure；
Fig. 2 is the block diagram of the electronic installation illustrating the embodiment according to present disclosure；
Fig. 3 is the block diagram of the signal processing module illustrating the embodiment according to present disclosure；
Fig. 4 is the flow chart of the method avoiding interference between nearby frequency bands in an electronic illustrating the embodiment according to present disclosure；And
Fig. 5 be illustrate the embodiment according to present disclosure in an electronic by the flow chart of method using notch filter that transmission signal is filtered.
Detailed description of the invention
Hereinafter, the various embodiments of present disclosure will be described with reference to the drawings.In the following description, the such special details of such as concrete configuration and parts is provided to these embodiments being only used to help comprehensively to understand present disclosure.Therefore, should be it will be apparent that without departing from the spirit and scope in the present disclosure to those skilled in the art, embodiment described here can be made various changes and modifications.Additionally, for clarity and brevity, the description to well-known function and structure is eliminated.
Present disclosure can have various embodiment, and can make modifications and changes in this article.Therefore, the specific embodiment with reference to shown in accompanying drawing is specifically described present disclosure.However, it should be understood that present disclosure is not limited to this specific embodiment, but include falling all modifications/change, equivalent and/or alternative in the spirit and scope of present disclosure.In the description to accompanying drawing, similar reference may be used for specifying similar element.
The term used in each embodiment of present disclosure " has ", " can have ", " including " or " can include " represent disclosed in corresponding function, operation, the existence of element etc., and be not limiting as extra one or more functions, operation, element etc..In addition, the existence of the term used in each embodiment of present disclosure " includes " and " having " expression describes in the description feature, number, step, operation, element, part or a combination thereof, and it is not excluded for other features one or more, number, step, operation, element, part or the existence of a combination thereof or interpolation.
Term " A or B ", " at least one in A and/or B " or " one or more in A and/or B " used in each embodiment of present disclosure include with all combinations of its word enumerated.Such as, " A or B ", " at least one in A and B " or " at least one in A or B " represents that (1) includes at least one A, and (2) include at least one B, or (3) include at least one A and at least one B.
Although the different elements of different embodiment can be modified in such as " first " used in each embodiment of present disclosure, " second " such term, these terms are not limiting upon respective element.Such as, these terms are not limiting as order and/or the importance of corresponding composed component.These terms may be used for an element and the separate purpose of another element region.Such as, the first user device and the second user device all represent user device, it is possible to represent different user devices.Such as, the first element can be referred to as the second element, and without departing from the scope of right of each embodiment of present disclosure, and similarly, the second element can also be referred to as the first element.
It should be understood that, when element (such as, first element) " being connected to " or " (operatively or communicably) couples/be coupled to " another element is (such as, second element) time, this element can be connected or coupled to another element, and medium element (such as, third element) can be there is between this element and this another element.Rather, it should be appreciated that work as element (such as, first element) be " directly connected " or " direct-coupling " to another element (such as, second element) time, between element and another element, there is not medium element (such as, third element).
Wording used in each embodiment of present disclosure " be configured to (or being arranged to) " can according to situation with " being suitable for ", " have ... ability ", " being designed to ", " being suitable to ", " being manufactured into " or " can " replace.Term " is configured to (or being arranged to) " and not necessarily represents " be designed specifically to " on level of hardware.But, wording " be configured to ... equipment " can represent this equipment in some cases with other devices or part together with " can ... ".Such as, " be configured to (being arranged to) perform A, B and C processor " can be one for performing the application specific processor of corresponding operating (such as, flush bonding processor), or the general processor (such as, CPU (CPU) or application processor (AP)) of corresponding operating can be performed by one or more software programs that execution is stored in memory device.
When term is used herein, it is used only for describing some embodiment, and is not intended to limit present disclosure.Time used herein, singulative can also include plural form, unless context has separately been made to be explicitly indicated.Further, all terms used herein, including technical term and scientific terminology, the identical meaning being generally understood that with the those skilled in the art belonging to present disclosure should be interpreted as having, and should not be interpreted as having the Utopian or the most formal meaning, clearly limiting unless made in each embodiment of present disclosure.
The module of each embodiment according to present disclosure or program module may further include at least one or more composed component in the middle of above-mentioned composed component, or some composed components can be omitted, or may further include other additional composed components.Can be performed in serial, parallel, that repeat or didactic mode by the module of each embodiment according to present disclosure, programming module or other operations constituting module execution.Additionally, the certain operations in Cao Zuo can be executed in different order, or can be omitted, or other operations can be added.
The electronic installation of each embodiment according to present disclosure can be a device.Such as, the electronic installation of each embodiment according to present disclosure can include at least one in following item: smart mobile phone, tablet PC (PC), mobile phone, visual telephone, E-book reader, desktop computer, kneetop computer, net book, work station, server, personal digital assistant (PDA), portable media player (PMP), MP3 player, ambulatory medical device, camera or Wearable device (such as head-mounted device (HMD), electronic glasses, Electronic Clothes, electronics bracelet, electronic chaplet, electronic intelligent accessory, Intelligent mirror, intelligent watch etc.).
In other embodiments, electronic installation can be intelligent appliance.Such as, such household electrical appliances can include following at least one: TV (TV)；Biometrics generic diskette (DVD) player；Acoustic component；Refrigerator；Air-conditioning；Vacuum cleaner；Baking box；Microwave oven；Washing machine；Air purifier；Set Top Box；House automatic control panel；Safety control panel；TV box (such as, SamsungHomeSyncTM、AppleTVTMOr GoogleTV)；Game machine is (such as, )；Electronic dictionary；Electron key；Field camera (camcorder) or electron album.
In other embodiments, electronic installation can include following at least one: armarium is (such as, portable medical device (such as, blood sugar monitor, heart rate monitor, blood pressure monitoring device or clinical thermometer), magnetic resonance angiography (MRA) machine, nuclear magnetic resonance (MRI) machine, computerized tomography (CT) scanner or ultrasonic instrument)；Guider；Global positioning system (GPS) receptor, event data recorder (EDR)；Flight data recorder (FDR)；Automotive infotainment device；Electronic equipment (such as, marine navigation equipment and/or gyro compass, etc.) for steamer；Avionic device；Protective device；The main computer unit of automobile；Industry or domestic robot；The auto-teller (ATM) of financial institution, vending machine (POS) device of retail shop, or Internet of things device (such as, bulb, various sensor, electronic measurement instrument, gas meter, water sprinkler, fire alarm, thermostat, street lamp, toaster, sports equipment, boiler, heater or boiler etc.).
In certain embodiments, electronic installation can include following at least one: a piece of furniture Huo Yidong building/building；Electron plate；Electronic signature receives device；Projector；With various measuring instruments (such as, water meter, ammeter, gas meter or wavelength table).
The electronic installation of each embodiment according to present disclosure can also include the combination of one or more said apparatus.
Further, it will be readily apparent to those skilled in the art that be not limited to said apparatus according to the electronic installation of each embodiment of present disclosure.
Herein, term " user " can represent such a people, and it uses electronic installation or the device (such as, artificial intelligence's electronic installation) of a use electronic installation.
Hereinafter, described in the embodiment of present disclosure, will be used for avoiding the technology of interference caused by another communication network in an electronic.
Hereinafter, multiple communication services can be simultaneously provided by using communication network according to the electronic installation of each embodiment of present disclosure.Such as, electronic installation can provide voice conversation business and by using PS network (e.g.LTE network) to provide data service, as synchronized in speech LTE (SVLTE) at SGLTE/ by using CS network (e.g.GSM network).In the examples below, the communication network of electronic installation support can be referred to as the first communication network and the second communication network.
According to an embodiment, first communication network can include CS network, and such as CDMA (CDMA) 1x, WCDMA (WCDMA), time division synchronous CDMA (TD-SCDMA), Evolution-Data Optimized (EV-DO), global system (GSM) etc. for mobile communication are applicable to this CS network.Second communication network can include the PS network by using the such as such transmission network of LTE, mobile WiMAX etc..Hereinafter, in the embodiment of present disclosure, for the ease of describing, the first communication network is described as CS network, and the second communication network is described as PS network.But, according to each embodiment of present disclosure, the first communication network can be PS network, and the second communication network can be CS network.
Fig. 1 is the block diagram of the electronic installation illustrating the embodiment according to present disclosure.
With reference to Fig. 1, electronic installation 100 can include antenna 110 and 112, signal processing module 120 and 140, transmit/receive module 130 and 150, and communication control module 160.Such as, the signal of the first communication network can be launched/be received to electronic installation 100 by using first antenna the 110, first signal processing module 120 and the first transmit/receive module 130.The signal of the second communication network can be launched/be received to electronic installation 100 by using the second antenna 112, secondary signal processing module 140 and the second transmit/receive module 150.
According to an embodiment, first antenna 110 operationally (functionally) is connected to electronic installation 100, in order to launch/receive the signal for communication service (such as, voice conversation business) that electronic installation 100 can provide.Such as, antenna 110 can include the antenna that electronic installation 100 includes self, or the antenna that the external equipment communicated with electronic installation 100 includes.
According to an embodiment, the first signal processing module 120 can perform interference elimination according to the transmission signal-selectivity that the frequency band of the first communication network is the first communication network.Such as, when the frequency band of the first communication network and the frequency band of the second communication network is adjacent one another are or when the overlapping each other at least partially of frequency band of at least some of and second communication network of the frequency band of the first communication network, the first signal processing module 120 can be that the transmission signal of the first communication network performs interference and eliminates.
According to an embodiment, the reception signal of the first communication network received by first antenna 110 can be transmitted into the first transmit/receive module 130 by the first signal processing module 120.Such as, by the band filter (not shown) using RX path to include, the first signal processing module 120 can extract the signal corresponding with the frequency band of the first communication network in the middle of the signal received by first antenna 110.First signal processing module 120 can be transmitted to the first transmit/receive module 130 by having passed through the band filter signal corresponding with the frequency band of the first communication network (signal extracted).
According to an embodiment, the first signal processing module 120 can include antenna switch module 122, notch filter 124, switch 126 and power amplifier module 128.
According to an embodiment, the power used when signal be transmitted into corresponding electronic installation that transmits of the first communication network provided by the first transmit/receive module 130 by first antenna 110 can be amplified by power amplifier module 128.Such as, power amplifier module 128 can include the first power amplifier for high frequency band and the second power amplifier for low-frequency band, this first power amplifier is used for supporting the such as such communication network of Digital Cellular Service (DCS), PCS (PCS), TD-SCDMA etc., and this second power amplifier is used for supporting GSM850 and GSM900.In addition, when using notch filter 124 when the interference in order to avoid being caused by the transmission signal of the first communication network of high frequency band, due to the restriction of available band, power amplifier module 128 can be with the 3rd power amplifier of the communication network farther included for being different from DCS.
According to an embodiment, switch 126 can be according to whether the frequency band of the frequency band of the first communication network and the second communication network be adjacent one another are or overlap each other and select the first transmission path 121-1 or the second transmission path 121-2.Such as, when the first communication network and the second communication network use frequency band adjacent one another are or at least partly overlap each other frequency band time, switch 126 can select the first transmission path 121-1 to eliminate the interference caused by the transmission signal of the first communication network.That is, notch filter 124 and power amplifier module 128 can be connected to each other by switch 126.Such as, when the first communication network and the second communication network do not use frequency band adjacent one another are or at least partly overlap each other frequency band time, switch 126 can select the second transmission path 121-2.That is, antenna switch module 122 and power amplifier module 128 can be connected to each other by switch 126.Such as, switch 126 can include that Single point diamond turning o (SPDT) switchs.
According to an embodiment, the noise component of the transmission signal received from power amplifier module 128 by switch 126 can be filtered by notch filter 124, in order to is that the second communication network avoids interference effect.Such as, when electronic installation 100 uses GSM1800 network as the first communication network and uses LTEB39 network as the second communication network, the transmission signal of the GSM1800 network being performed transmission by frequency band 1710-1785MHz may act as using the interference of the LTEB39 network of the frequency band of 1880-1920MHz, is taken as clutter composition.Correspondingly, electronic installation 100 can filter, by the signal (clutter composition) of the frequency band that use notch filter 124 will be disengaged from 1710-1785MHz, the interference avoided for LTEB39 network.
According to an embodiment, antenna switch module 122 can select one for connecting first antenna 110 and the path of the first transmit/receive module 130.Such as, when electronic installation 100 is for the transmission mode work of the first communication network, antenna switch module 122 can be according to whether the frequency band of the frequency band of the first communication network and the second communication network be adjacent one another are selects the first transmission path 121-1 or the second transmission path 121-2.Such as, when the first communication network and the second communication network use frequency band adjacent one another are or at least partly overlap each other frequency band time, antenna switch module 122 can select the first transmission path 121-1, in order to eliminates the interference caused by the transmission signal of the first communication network.That is, first antenna 110 and notch filter 124 can be connected to each other by antenna switch module 122.Such as, when the first communication network and the second communication network do not use frequency band adjacent one another are or at least partly overlap each other frequency band time, antenna switch module 122 can select the second transmission path 121-2.That is, first antenna 110 and switch 126 can be connected to each other by antenna switch module 122.Such as, when electronic installation 100 works with the reception pattern for the first communication network, antenna switch module 122 can select RX path 121-3, so that the signal received by first antenna 110 to be transmitted into the first transmit/receive module 130.That is, first antenna 110 and the first transmit/receive module 130 can be connected to each other by antenna switch module 122.
According to an embodiment, the first transmit/receive module 130 can control to launch the operation of signal by first antenna 110 and receive the operation of signal from first antenna 110.Such as, radio frequency (RF) signal received by the first signal processing module 120 can be converted into baseband signal by the first transmit/receive module 130, is transmitted into communication control module 160 with the baseband signal that will convert into.Such as, the analogue signal corresponding with the base band received from communication control module 160 can be converted into RF signal by the first transmit/receive module 130, is transmitted into the first signal processing module 120 with the RF signal that will convert into.
According to an embodiment, secondary signal processing module 140 can include antenna switch module 142 and power amplifier module 144.
According to an embodiment, the power used when signal be transmitted into corresponding electronic installation that transmits of the second communication network provided by the second transmit/receive module 150 by the second antenna 112 can be amplified by power amplifier module 144.
According to an embodiment, antenna switch module 142 can select for first antenna 112 and the second transmit/receive module 150 are connected to path each other.Such as, when electronic installation 100 works with the emission mode for the second communication network, antenna switch module 142 can select transmission path 141-1.That is, the second antenna 112 and power amplifier module 144 can be connected to each other by antenna switch module 142.Such as, when electronic installation 100 works with the reception pattern for the second communication network, antenna switch module 142 can select RX path 141-2.That is, the second antenna 112 and the second transmit/receive module 150 can be connected to each other by antenna switch module 142.
According to an embodiment, the second transmit/receive module 150 can control the operation by the second launched signal of antenna 112 and receive the operation of signal from the second antenna 112.
According to an embodiment, communication control module is (such as, modem) 160 the signal of at least one communication network that the signal that at least one from the first transmit/receive module 130 and the second transmit/receive module 150 receives includes can be processed (such as, demodulation).Such as, communication control module 160 can be included in logic or the first communication control module opened the most distinct from each other and the second communication control module, in order to processes the signal of (such as, demodulation) multiple communication networks.Such as, the first communication control module can process the signal of the first communication network, and the second communication control module can process the signal of the second communication network.Additionally or alternatively, communication control module 160 can provide voice conversation business by using the signal of the first communication network being processed (such as, demodulation) by communication control module 160.Further, communication control module 160 can provide data service by using the signal of the second communication network being processed (such as, demodulation) by communication control module 160.In this case, communication control module 160 can be synchronously by using the first communication network to provide voice conversation business and by using the second communication network to provide data service, as in SVLTE/SGLTE business.
According to an embodiment, communication control module (such as, modem) 160 can generate (such as, modulation) signal, in order to performs transmitting by the first transmit/receive module 130 or the second transmit/receive module 150.Such as, communication control module 160 can be included in logic or the first communication control module opened the most distinct from each other and the second communication control module, in order to processes the signal of (such as, modulation) multiple communication networks.Such as, the first communication control module can modulate the signal of the first communication network, and the second communication control module can modulate the signal of the second communication network.
In the case of figure 1, electronic installation 100 can include the first antenna 110 for the first communication network and the second antenna 112 for the second communication network.
According to each embodiment of present disclosure, the first communication network and the signal of the second communication network can be launched/be received to electronic installation 100 by using an antenna.Such as, at least one in the signal of the first communication network and the signal of the second communication network can synchronously or according to priority be launched or receive by electronic installation 100.
Fig. 2 is the block diagram of the signal processing module illustrating the embodiment according to present disclosure.
With reference to Fig. 2, in first signal processing module 120 of Fig. 1, being desirably integrated at least partially in a module 200 of multiple parts.Such as, in the first signal processing module 120, in addition to notch filter 124, handover module 122, switch 126 and power amplifier module 128 can be configured to a module 200.Such as, in notch filter 124, the frequency band residing for signal being blocked can be fixed by band elimination filter, and this band elimination filter is used for stopping band-specific signal.Correspondingly, in the first signal processing module 120, the miscellaneous part in addition to notch filter 124 is desirably integrated in a module 200 so that the first signal processing module 120 can be applied to each frequency band.
In the case of figure 2, in electronic installation 100, the notch filter 124 corresponding to the frequency band of the first communication network is connected to a module 200, enabling by using the first signal processing module 120 to process the signal of communication network of each frequency band.That is, in electronic installation 100, the first transmit/receive module 130 and notch filter 124 are varied so that and can process the signal of each frequency band by using first signal processing module 120.
Fig. 3 is the block diagram of the signal processing module illustrating the embodiment according to present disclosure.
With reference to Fig. 3, the first signal processing module 120 can include multiple notch filter 310-1,310-2 ..., 310-N, in order to processes the signal of each frequency band.Such as, in the first signal processing module 120, it is used for filtering multiple notch filter 310-1 of the signal of (stop) different frequency bands, 310-2 ..., 310-N may be coupled to an integrated module 200.In this case, first signal processing module 120 can include the first switch 126 and second switch 300, this first switch 126 is included in an integrated module 200, and this second switch 300 is for connecting multiple notch filter 310-1 or 310-2 corresponding with the frequency band of the first transmit/receive module 130 ... or 310-N.
According to an embodiment, second switch 300 can be by notch filter 310-1 or 310-2 of the first switch 126 with the frequency band corresponding to the first transmit/receive module 130 ... or at least one in 310-N couples together.
In the context of fig. 3, electronic installation 100 can be by selecting notch filter 310-1 or 310-2 corresponding with the frequency band of the first communication network in the middle of multiple notch filter 310-1,310-2 ..., 310-N ... or 310-N, uses the first signal processing module 120 to process the signal of communication network of each frequency band.Such as, electronic installation 100 can optionally use the second communication network of the notch filter the first communication network with use 1830-1850MHz to correspond to use 1805-1830MHz, thus supports double-card dual-standby (DSDA).
Each embodiment according to present disclosure, electronic installation includes: at least one antenna, it launches or receives at least one signal in the middle of the first signal and secondary signal, and wherein the first signal corresponds to the first communication network, and secondary signal corresponds to the second communication network；Process the first signal processing module of the first signal；With the secondary signal processing module processing secondary signal, wherein the first signal processing module includes the notch filter filtering predetermined frequency band, and when the frequency band of the first communication network and the frequency band of the second communication network is adjacent one another are or when the overlapping each other at least partially of frequency band of at least some of and second communication network of the frequency band of the first communication network, the first signal processing module uses notch filter to remove the noise component of the first signal launched by the first communication network.
According to each embodiment, when the frequency band of the first communication network and the frequency band of the second communication network do not have at least some of frequency band with the second communication network of the frequency band of adjacent one another are or the first communication network at least some of not overlap each other, the first signal processing module can deexcitation for removing the notch filter of the noise component of the first signal.
According to each embodiment, the first signal processing module includes: amplify the power amplifier module of the power of the first signal；Switch, power amplifier module and notch filter are connected to each other according to the frequency band of the first communication network and the frequency band of the second communication network or power amplifier module and antenna switch module are connected to each other by it；Antenna switch module, antenna and notch filter are connected to each other according to the frequency band of the first communication network and the frequency band of the second communication network or antenna and switch are connected to each other by it；And the notch filter between antenna switch module and switch, it is for removing the noise component of the first signal received by switch, during wherein power amplifier module, switch and antenna switch module are integrated in a module.
According to each embodiment, switch can: at the frequency band of the first communication network and the frequency band of the second communication network is adjacent one another are or when the overlapping each other at least partially of frequency band of at least some of and second communication network of the frequency band of the first communication network, power amplifier module and notch filter are connected to each other；And can: when at least some of frequency band with the second communication network at least some of of frequency band that the frequency band of the first communication network and the frequency band of the second communication network do not have adjacent one another are or the first communication network does not overlap each other, power amplifier module and antenna switch module are connected to each other.
According to each embodiment, antenna switch module can: at the frequency band of the first communication network and the frequency band of the second communication network is adjacent one another are or when the overlapping each other at least partially of frequency band of at least some of and second communication network of the frequency band of the first communication network, antenna and notch filter are linked each other；And can: when at least some of frequency band with the second communication network at least some of of frequency band that the frequency band of the first communication network and the frequency band of the second communication network do not have adjacent one another are or the first communication network does not overlap each other, antenna and switch are connected to each other.
According to each embodiment, when removing the noise component of the first signal, the first signal processing module can use the noise component removing the first signal for filtering at least one notch filter corresponding with the frequency band of the first communication network in the middle of multiple notch filters of different frequency bands.
According to each embodiment, the first communication network can include CS network, and the second communication network can include PS network.
According to each embodiment, electronic installation may further include communication control module, and it uses the first signal processed by the first signal processing module and the secondary signal processed by secondary signal processing module to provide at least one in voice conversation business and data service.
According to each embodiment, communication control module can use the first signal processed by the first signal processing module and the secondary signal processed by secondary signal processing module to provide SVLTE or SGLTE business.
Fig. 4 is the flow chart of the method avoiding interference between nearby frequency bands in an electronic illustrating the embodiment according to present disclosure.
With reference to Fig. 4, in operation 401, electronic installation (such as, the electronic installation 100 in Fig. 1) is capable of identify that the frequency band of the communication network for providing multiple communication service.Such as, when providing SGLTE business, electronic installation is capable of identify that for providing the frequency band of the GSM network of voice conversation business and for providing the frequency band of the LTE network of data service.
In operation 403, electronic installation is able to recognise whether for providing the frequency band of the communication network of multiple communication services adjacent one another are or at least partly the overlapping each other of the frequency band of communication network.
In operation 407, electronic installation can: for providing the frequency band of communication network of multiple communication services there is no adjacent one another are or when at least partly not overlapping each other of the frequency band of communication network, launch transmission signal by least one communication network.Such as, when for providing the frequency band of the communication network of multiple communication services not have adjacent one another are or when at least partly not overlapping each other of the frequency band of communication network, electronic installation 100 is able to recognize that: the signal of the first communication network will not interfere in the second communication network.In this case, antenna switch module 122 and the switch 126 of the first signal processing module 120 can select the second transmission path 121-2, and transmission signal is transmitted into outside by first antenna 110, the power of this transmission signal is amplified by power amplifier module 128.
In operation 405, when the frequency band of the communication network for providing multiple communication services is adjacent one another are or when at least partly overlapping each other of the frequency band of communication network, and electronic installation can use notch filter to remove the noise component transmitting signal of at least one communication network.Such as, when electronic installation uses GSM1800 network as the first communication network and uses LTEB39 network as the second communication network, the transmission signal (having the band signal of 1710-1785MHz) of GSM1800 network may act as using the interference of the LTEB39 network of the frequency band of 1880-1920MHz, becomes noise component.In this case, antenna switch module 122 and the switch 126 of the first signal processing module 120 can select the first transmission path 121-1 that transmission signal is transmitted into notch filter 124, and wherein the power of this transmission signal is amplified by power amplifier module 128.Electronic installation 100 can use the notch filter 124 corresponding with the frequency band of GSM1800 network to filter the noise component of the transmission signal of GSM1800 network.
In operation 407, electronic installation can launch noise component therein the most removed transmission signal.Such as, the first communication network signal that noise component therein has been removed by notch filter 124 can be transmitted into outside by first antenna 110 by electronic installation 100.
Fig. 5 is the notch filter of use in an electronic illustrating the embodiment according to the present disclosure flow chart to the method that transmission signal filters.It is described below for using notch filter that transmission signal is carried out what the operation of filter plate was made in the operation 405 of Fig. 4.
With reference to Fig. 5, in operation 501, electronic installation (such as, the electronic installation 100 in Fig. 1) is able to recognise whether that multiple notch filter is present in signal processing module (such as, in the first signal processing module 120 in FIG).Such as, electronic installation 100 is able to recognise whether to include as shown in Figure 3 multiple notch filter 310-1s corresponding with different frequency bands, 310-2 ..., 310-N.
In operation 505, when there is a notch filter corresponding with transmit/receive module in signal processing module, electronic installation can use corresponding notch filter to be transmitted the transmission signal of at least one communication network.
In operation 503, when there is multiple notch filter in signal processing module, electronic installation can select at least one notch filter corresponding with the frequency band of the communication network passed through when launching signal in the middle of multiple notch filters.
In operation 505, electronic installation can use at least one notch filter selected in operation 503 to filter the transmission signal of at least one communication network.
According to each embodiment of present disclosure, a kind of to for the method by using the first communication network and the second communication network to provide the electronic installation of multiple communication services to operate, including: identify the first communication network and the frequency band of the second communication network；At the frequency band of the first communication network and the frequency band of the second communication network is adjacent one another are or when the overlapping each other at least partially of frequency band of at least some of and second communication network of the frequency band of the first communication network, use the noise component of the signal removing the first communication network for the notch filter filtering predetermined frequency band；By antenna, the most removed for noise component therein signal is transmitted into outside.
According to each embodiment, the method may further include: when at least some of frequency band with the second communication network at least some of of frequency band that the frequency band of the first communication network and the frequency band of the second communication network do not have adjacent one another are or the first communication network does not overlap each other, by antenna, the signal of the first communication network is transmitted into outside.
According to each embodiment, the step that noise component removes be may include that use notch filter and power amplifier module, switch and handover module remove the noise component of the signal of the first communication network, during wherein this power amplifier module, switch and handover module are integrated into a module.
According to each embodiment, the step removing noise component may include that when including the multiple notch filter for filtering different frequency bands, selects at least one notch filter corresponding with the frequency band of the first communication network in the middle of the plurality of notch filter；And use at least one selected notch filter to remove the noise component of signal of the first communication network.
According to each embodiment, the first communication network can include CS network, and the second communication network can include PS network.
According to each embodiment, electronic installation can use the first signal of the first communication network and the secondary signal of the second communication network to provide at least one in voice conversation business and data service.
According to each embodiment, electronic installation can use the first signal of the first communication network and the secondary signal of the second communication network to provide SVLTE business or SGLTE business.
" module " that use in each embodiment of present disclosure is properly termed as, it may for example comprise the unit of two or more the combination in hardware, software and firmware or hardware, software and firmware." module " can be with such as, and term " unit ", " logic ", " logic function block ", " parts " or " circuit " exchanges and uses." module " can be minimum unit or the one part of integrated component." module " can be carried out minimum unit or the one part of one or more function." module " can mechanically or electrically realize by submode.Such as, according to " module " of each embodiment of present disclosure can include special IC (ASIC) chip, can field programming gate array (FPGA) and known or hereafter develop for perform operation programmable logic device at least one.
Module or programming module according to present disclosure can include that at least one in described subelement, several subelements can be omitted, or can include the subelement added.The operation performed by the module of each embodiment according to present disclosure, programming module or other parts element can perform according to priority, is performed in parallel, is repeatedly carried out or performs in didactic mode.Further, certain operations can perform according to another kind order, or can be omitted, or can add other operation.
The embodiment of the present disclosure provided in the present description and drawings is only some examples, the technology being associated for the embodiment being easily described with present disclosure and the embodiment helping to understand present disclosure, but without limitation on the embodiment of present disclosure.Therefore, in addition to embodiment described herein, the scope of each embodiment of present disclosure should be interpreted as including all deformation or the modification that the technological thought of each embodiment according to present disclosure draws.
Claims (16)
1. an electronic installation, including:
At least one antenna, its transmitting or reception at least one signal in the middle of the first signal and secondary signal, this first signal corresponds to the first communication network, and this secondary signal corresponds to the second communication network；
First signal processing module, it processes described first signal；With
Secondary signal processing module, it processes described secondary signal,
Wherein, described first signal processing module includes the notch filter filtering the signal of predetermined frequency band, and
When frequency band and at least some of of the frequency band of frequency band first communication network adjacent one another are or described of described second communication network and when the overlapping each other at least partially of frequency band of described second communication network of described first communication network, described first signal processing module removes the noise component of the first signal launched by described first communication network.
2. electronic installation as claimed in claim 1, wherein, when the frequency band of described first communication network and the frequency band of described second communication network do not have when not the overlapping each other at least partially of at least some of frequency band with described second communication network of the frequency band of the first communication network adjacent one another are or described, and described first signal processing module will be used for removing the notch filter deexcitation of the noise component of described first signal.
3. electronic installation as claimed in claim 1, wherein said first signal processing module includes:
Power amplifier module, it amplifies the power of described first signal；
Switch, described power amplifier module and described notch filter, according to the frequency band of described first communication network and the frequency band of described second communication network, are connected to each other or described power amplifier module and antenna switch module are connected to each other by it；
Described antenna switch module, described antenna and described notch filter are connected to each other according to the frequency band of described first communication network and the frequency band of described second communication network or described antenna and described switch are connected to each other by it；And
Described notch filter, it is between described antenna switch module and described switch, to remove the noise component of the first signal received by described switch,
Wherein said power amplifier module, described switch and described antenna switch module are integrated in a module.
4. electronic installation as claimed in claim 3, wherein, frequency band and at least some of of the frequency band of frequency band first communication network adjacent one another are or described of described second communication network and when the overlapping each other at least partially of frequency band of described second communication network when described first communication network, described power amplifier module and described notch filter are connected to each other by described switch, and
When the frequency band of described first communication network and the frequency band of described second communication network do not have when not the overlapping each other at least partially of at least some of frequency band with described second communication network of the frequency band of the first communication network adjacent one another are or described, and described power amplifier module and described antenna switch module are connected to each other by described switch.
5. electronic installation as claimed in claim 3, wherein, frequency band and at least some of of the frequency band of frequency band first communication network adjacent one another are or described of described second communication network and when the overlapping each other at least partially of frequency band of described second communication network when described first communication network, described antenna and described notch filter are connected to each other by described antenna switch module, and
When the frequency band of described first communication network and the frequency band of described second communication network do not have when not the overlapping each other at least partially of at least some of frequency band with described second communication network of the frequency band of the first communication network adjacent one another are or described, and described antenna and described switch are connected to each other by described antenna switch module.
6. electronic installation as claimed in claim 1, wherein, when removing the noise component of described first signal, described first signal processing module uses and filters at least one notch filter described noise component of removal corresponding with the frequency band of described first communication network in the middle of multiple notch filters of different frequency bands.
7. electronic installation as claimed in claim 1, wherein said first communication network includes circuit switching (CS) network, and described second communication network includes packet switch (PS) network.
8. electronic installation as claimed in claim 1, farther including communication control module, it uses the first signal processed by described first signal processing module and the secondary signal processed by described secondary signal processing module to provide at least one in voice conversation business and data service.
9. electronic installation as claimed in claim 8, wherein said communication control module uses the first signal processed by described first signal processing module and the secondary signal processed by described secondary signal processing module to provide the speech and GSM and LTE (SGLTE) business of LTE (SVLTE) business or synchronization synchronized.
10., to the method for using the first communication network and the second communication network to provide the electronic installation of multiple communication services to operate, the method includes:
Identify frequency band and the frequency band of described second communication network of described first communication network；
Frequency band and at least some of when overlapping each other at least partially of frequency band with described second communication network of the frequency band of frequency band first communication network adjacent one another are or described of described second communication network of described first communication network, the notch filter of the signal filtering predetermined frequency band is used to remove the noise component of described first communication network；And
By antenna, the most removed for noise component therein signal is transmitted into outside.
11. methods as claimed in claim 10, farther include: when at least some of frequency band with described second communication network at least some of of frequency band that the frequency band of described first communication network and the frequency band of described second communication network do not have the first communication network adjacent one another are or described does not overlap each other, by described antenna, the signal of described first communication network is transmitted into outside.
12. methods as claimed in claim 10, the described step wherein removing described noise component includes using the noise component of the signal of described notch filter and the power amplifier module being integrated in a module, switch and antenna switch module described first communication network of removing.
13. methods as claimed in claim 10, wherein, the described step removing described noise component includes:
When including the multiple notch filter filtering different frequency bands, in the middle of the plurality of notch filter, select at least one notch filter corresponding with the frequency band of described first communication network；With
Use the noise component of the signal of at least one selected notch filter described first communication network of removing.
14. methods as claimed in claim 10, wherein said first communication network includes CS network, and described second communication network includes PS network.
15. methods as claimed in claim 10, wherein said electronic installation uses the first signal of described first communication network and the secondary signal of described second communication network to provide at least one in voice conversation business and data service.
16. methods as claimed in claim 15, wherein said electronic installation uses the first signal of described first communication network and the secondary signal of described second communication network to provide SVLTE business or SGLTE business.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0013515 | 2015-01-28 | ||
| KR1020150013515A KR20160092745A (en) | 2015-01-28 | 2015-01-28 | Method for reducing interference and electronic device thereof |
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| CN105827252A true CN105827252A (en) | 2016-08-03 |
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| CN201610055829.0A Pending CN105827252A (en) | 2015-01-28 | 2016-01-27 | Method for reducing interference and electronic device thereof |
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| KR (1) | KR20160092745A (en) |
| CN (1) | CN105827252A (en) |
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| KR20160092745A (en) | 2016-08-05 |
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