CN105375936A - Mobile communication terminal common antenna circuit - Google Patents
Mobile communication terminal common antenna circuit Download PDFInfo
- Publication number
- CN105375936A CN105375936A CN201510689729.9A CN201510689729A CN105375936A CN 105375936 A CN105375936 A CN 105375936A CN 201510689729 A CN201510689729 A CN 201510689729A CN 105375936 A CN105375936 A CN 105375936A
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- CN
- China
- Prior art keywords
- radio system
- gps
- communication terminal
- mobile communication
- receiving filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3805—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving with built-in auxiliary receivers
-
- 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
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The invention provides a mobile communication terminal common antenna circuit. The mobile communication terminal common antenna circuit comprises a common antenna, a combiner connected with the common antenna through an antenna impedance matching circuit, at least two radiofrequency systems connected with the combiner and comprising a mobile signal radiofrequency system and a GPS radiofrequency system, and a radiofrequency transmitting-receiving unit connected with the mobile signal radiofrequency system and the GPS radiofrequency system. In the mobile communication terminal common antenna circuit, the at least two radiofrequency systems are combined and then are connected with the common antenna so as to share the common antenna. Shared, the common antenna occupies little space so that convenience is given to the structural and shape design of the mobile communication terminal.
Description
Technical field
The invention belongs to moving communicating field, more relate to a kind of mobile communication terminal community antenna circuit especially.
Background technology
Have a lot of radio system in current mobile communication terminal, as mobile communications network (such as: GSM, WCDMA, CDMA, TD-SCDMA, LTE etc.), bluetooth, WI-FI, GPS, FM etc., these radio systems all need to use antenna.Therefore, in existing mobile communication terminal, antenna amount is a lot, and GPS, WI-FI, bluetooth all make each personal independently antenna.Because antenna amount is many, antenna needs to occupy very large space, all brings difficulty, be unfavorable for structure and the configuration design of mobile communication terminal, do not meet the trend that present mobile communication terminal is lightening the structure of mobile communication terminal and configuration design.
Summary of the invention
The object of the present invention is to provide a kind of mobile communication terminal community antenna circuit, of the prior artly adopt separate antenna because of each radio system in mobile communication terminal to solve, cause antenna amount numerous and the problem such as to take up space.
For achieving the above object and other objects, mobile communication terminal community antenna circuit provided by the present invention, comprising:
Common antenna;
By the mixer that antenna impedance matching is connected with described common antenna;
At least two-way radio system, and each road radio system is all connected with described mixer; At least radio system described in two-way comprises movable signal radio system and GPS radio system;
Transmit Receive Unit, is connected with described movable signal radio system and GPS radio system;
Wherein, described common antenna receives wireless signal, successively after described antenna impedance matching and described mixer, corresponding band signal is sent to the movable signal radio system of mating with this frequency band signals or GPS radio system, is resent to described Transmit Receive Unit; The wireless signal that described movable signal radio system sends or the wireless signal that described GPS radio system sends are sent by described mixer, described antenna impedance matching and described common antenna all successively.
Preferably, described mobile communication terminal community antenna circuit also comprises the CPU be connected with described Transmit Receive Unit.
Preferably, the operating frequency of described movable signal radio system is GSM900/GSM1800.
Preferably, described movable signal radio system comprises the movable signal receiving filter of Signal reception and the movable signal amplifirer of signal transmission, described movable signal receiving filter is connected to described mixer and described Transmit Receive Unit, and described movable signal amplifirer is connected to described mixer and described Transmit Receive Unit;
Described mixer has three road signaling interfaces, and wherein a road signaling interface is connected with described movable signal receiving filter, and another road signaling interface is connected with described movable signal amplifirer, then a road signaling interface is connected with described GPS radio system.
Preferably, described GPS radio system comprises the GPS receiving filter, GPS low noise amplifier and the 2nd GPS receiving filter that connect successively, a described GPS receiving filter is connected with a road signaling interface of described mixer, and described 2nd GPS receiving filter is connected with described Transmit Receive Unit.
Preferably, a described GPS receiving filter, described GPS low noise amplifier and described 2nd GPS receiving filter are integrated on an integrated chip.
Preferably, a described GPS receiving filter and described 2nd GPS receiving filter are Surface Acoustic Wave Filter.
Preferably, described mixer also comprises the diverter switch for switching three road signaling interfaces.
Preferably, described Transmit Receive Unit is WTR1625L chip or WTR1605L chip.
Mobile communication terminal community antenna circuit provided by the present invention, to at least be connected with common antenna by two-way radio system mixer conjunction Lu Houzai, at least two-way radio system can be realized and share this common antenna, owing to being shared common antenna, the space that antenna is occupied is little, brings facility to the structure of mobile communication terminal and configuration design.
Accompanying drawing explanation
Fig. 1 is mobile communication terminal community antenna circuit of the present invention structured flowchart in one embodiment.
Element numbers illustrates:
1 mobile communication terminal community antenna circuit
11 common antenna
12 antenna impedance matchings
13 mixers
14 movable signal radio systems
141 movable signal receiving filters
142 movable signal amplifirers
15GPS radio system
151 the one GPS receiving filters
152GPS low noise amplifier
153 the 2nd GPS receiving filters
16 Transmit Receive Unit
17 CPU
Embodiment
Below by way of particular specific embodiment, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
It should be noted that, structure, ratio, size etc. that this specification institute accompanying drawings illustrates, content all only in order to coordinate specification to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Refer to Fig. 1, show mobile communication terminal community antenna circuit of the present invention structured flowchart in one embodiment.As shown in Figure 1, mobile communication terminal community antenna circuit 1, comprising: common antenna 11, antenna impedance matching 12, mixer 13, movable signal radio system 14, GPS radio system 15, Transmit Receive Unit 16 and CPU 17.
Below each component above-mentioned is described in detail.
Common antenna 11, as signal transmitting and receiving device, for receiving wireless signal and wireless signal emission.
Mixer 13, is connected with common antenna 11 by antenna impedance matching 12.
Movable signal radio system 14 is all connected with mixer 13 with GPS radio system 15.In the present embodiment, movable signal radio system 14 comprises the movable signal receiving filter 141 of Signal reception and the movable signal amplifirer 142 of signal transmission further, GPS radio system 15 comprises the GPS receiving filter 151, the GPS low noise amplifier (LowNoiseAmplifier that connect successively, LNA) 152 and the 2nd GPS receiving filter 153, therefore, mixer 13 has three road signaling interfaces, two-way wherein distributes to movable signal radio system 14, and GPS radio system 15 is then distributed on a remaining road.Particularly, for mixer 13, one road signaling interface is connected with the movable signal receiving filter 141 in movable signal radio system 14, another road signaling interface is connected with the movable signal amplifirer 142 in movable signal radio system 14, then a road signaling interface is connected with the GPS receiving filter in GPS radio system 15.
Further, in the present embodiment: mixer 13 also can comprise the diverter switch for switching three road signaling interfaces.For movable signal radio system 14, its operating frequency is GSM900/GSM1800.Surface Acoustic Wave Filter (SurfaceAcousticWave, SAW) is for the GPS receiving filter 151 in GPS radio system 15, GPS radio system 15 and the 2nd GPS receiving filter 153.In addition, a GPS receiving filter 151, GPS low noise amplifier 152 and the 2nd GPS receiving filter 153 accessible site, on an integrated chip, realize higher device integration.
In mobile communication terminal, there is a lot of interference, so a GPS receiving filter 151 will be used first wireless signal to be cleaned by carrying out filtering to the wireless signal received, 2nd GPS receiving filter 153 is the out of band signals for suppressing after GPS low noise amplifier 152 amplification, so that follow-up GPS chip process.One GPS receiving filter 151 needs low noise filter with low insertion loss, and the 2nd GPS receiving filter 153 needs high the suppression.Many GPS receiving filters 151, when disturbing stronger, although improve the NF of whole GPS filtration module, but improve the value of the C/No of system, reason is GPS low noise amplifier 152 is not that narrowband linear amplifies, at extraneous high power interference (such as GSM (800MHz), radar (400MHz) etc.) time, the signal of multi-frequency can be produced by frequency division or frequency multiplication (in GPS low noise amplifier 152), have in band and also have outside band, although the 2nd GPS receiving filter 153 can filter the outer interference of band, but cannot filter in band, if so lack a GPS to receive SAW filter, then the value of C/No can reduce at least 4dB with the enhancing of interference signal.
Transmit Receive Unit 16 is connected with movable signal radio system 14 and GPS radio system 15.Particularly, the movable signal receiving filter 141 in movable signal radio system 14 is all connected with Transmit Receive Unit 16 with the 2nd GPS receiving filter 153 in movable signal amplifirer 142 and GPS radio system 15.In the present embodiment, Transmit Receive Unit 16 is WTR1625L chip or WTR1605L chip.
CPU 17 is connected with Transmit Receive Unit 16.
Below mobile communication terminal community antenna circuit of the present invention application is in one example described in detail.
When utilizing this mobile communication terminal community antenna circuit to carry out reception of wireless signals, wireless signal is received by common antenna 11, successively after antenna impedance matching 12 and mixer 13, the wireless signal of corresponding band is sent to the movable signal receiving filter 141 of the movable signal radio system 14 of mating with this frequency band signals or a GPS receiving filter 151 of GPS radio system 15 by mixer 13 according to the frequency of described wireless signal, GPS low noise amplifier 152, and the 2nd GPS receiving filter 153, after the corresponding signal process of movable signal radio system 14 or GPS radio system 15, be resent to Transmit Receive Unit 16 and CPU 17.When utilizing this mobile communication terminal community antenna circuit to carry out wireless signal transmission, the wireless signal sent by the movable signal amplifirer 142 of movable signal radio system 14 or the wireless signal sent by GPS radio system 15 are sent by mixer 13, antenna impedance matching 12 and common antenna 11 all successively.
In sum, mobile communication terminal community antenna circuit provided by the present invention, to at least be connected with common antenna by two-way radio system mixer conjunction Lu Houzai, at least two-way radio system can be realized and share this common antenna, owing to being shared common antenna, the space that antenna is occupied is little, brings facility to the structure of mobile communication terminal and configuration design.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (9)
1. a mobile communication terminal community antenna circuit, is characterized in that, comprising:
Common antenna;
By the mixer that antenna impedance matching is connected with described common antenna;
At least two-way radio system, and each road radio system is all connected with described mixer; At least radio system described in two-way comprises movable signal radio system and GPS radio system;
Transmit Receive Unit, is connected with described movable signal radio system and GPS radio system;
Wherein, described common antenna receives wireless signal, successively after described antenna impedance matching and described mixer, corresponding band signal is sent to the movable signal radio system of mating with this frequency band signals or GPS radio system, is resent to described Transmit Receive Unit; The wireless signal that described movable signal radio system sends or the wireless signal that described GPS radio system sends are sent by described mixer, described antenna impedance matching and described common antenna all successively.
2. mobile communication terminal community antenna circuit according to claim 1, is characterized in that, also comprises the CPU be connected with described Transmit Receive Unit.
3. mobile communication terminal community antenna circuit according to claim 1, is characterized in that, the operating frequency of described movable signal radio system is GSM900/GSM1800.
4. mobile communication terminal community antenna circuit according to claim 1, is characterized in that,
Described movable signal radio system comprises the movable signal receiving filter of Signal reception and the movable signal amplifirer of signal transmission, described movable signal receiving filter is connected to described mixer and described Transmit Receive Unit, and described movable signal amplifirer is connected to described mixer and described Transmit Receive Unit;
Described mixer has three road signaling interfaces, and wherein a road signaling interface is connected with described movable signal receiving filter, and another road signaling interface is connected with described movable signal amplifirer, then a road signaling interface is connected with described GPS radio system.
5. mobile communication terminal community antenna circuit according to claim 4, it is characterized in that, described GPS radio system comprises the GPS receiving filter, GPS low noise amplifier and the 2nd GPS receiving filter that connect successively, a described GPS receiving filter is connected with a road signaling interface of described mixer, and described 2nd GPS receiving filter is connected with described Transmit Receive Unit.
6. mobile communication terminal community antenna circuit according to claim 5, is characterized in that, a described GPS receiving filter, described GPS low noise amplifier and described 2nd GPS receiving filter are integrated on an integrated chip.
7. mobile communication terminal community antenna circuit according to claim 5, is characterized in that, a described GPS receiving filter and described 2nd GPS receiving filter are Surface Acoustic Wave Filter.
8. mobile communication terminal community antenna circuit according to claim 4, is characterized in that, described mixer also comprises the diverter switch for switching three road signaling interfaces.
9. circuit according to claim 1, is characterized in that, described Transmit Receive Unit is WTR1625L chip or WTR1605L chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510689729.9A CN105375936A (en) | 2015-10-22 | 2015-10-22 | Mobile communication terminal common antenna circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510689729.9A CN105375936A (en) | 2015-10-22 | 2015-10-22 | Mobile communication terminal common antenna circuit |
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| Publication Number | Publication Date |
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| CN105375936A true CN105375936A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510689729.9A Pending CN105375936A (en) | 2015-10-22 | 2015-10-22 | Mobile communication terminal common antenna circuit |
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| CN (1) | CN105375936A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025503A (en) * | 2016-06-08 | 2016-10-12 | 广东欧珀移动通信有限公司 | Global navigation satellite system (GNSS) antenna system of mobile terminal, mobile terminal and electronic equipment |
| CN106130569A (en) * | 2016-06-06 | 2016-11-16 | 广东欧珀移动通信有限公司 | A kind of antenna assembly and terminal |
| CN106129636A (en) * | 2016-06-08 | 2016-11-16 | 广东欧珀移动通信有限公司 | GNSS antenna system, mobile terminal and the electronic equipment of mobile terminal |
| CN106685438A (en) * | 2017-01-10 | 2017-05-17 | 广东欧珀移动通信有限公司 | Radio frequency circuit and terminal |
| CN106911356A (en) * | 2017-03-28 | 2017-06-30 | 维沃移动通信有限公司 | A kind of signal switching method and mobile terminal |
| CN107911141A (en) * | 2017-11-15 | 2018-04-13 | 宁波麦度智联科技股份有限公司 | A kind of system for reducing communication terminal frequency and phase error |
| CN110086552A (en) * | 2019-04-28 | 2019-08-02 | 深圳市万普拉斯科技有限公司 | Antenna combination equipment and mobile terminal |
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| CN204290959U (en) * | 2014-12-25 | 2015-04-22 | 上海斐讯数据通信技术有限公司 | A kind of community antenna circuit |
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| CN1716811A (en) * | 1999-12-15 | 2006-01-04 | 日本电信电话株式会社 | Adaptive array antenna transmitter-receiver |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130569A (en) * | 2016-06-06 | 2016-11-16 | 广东欧珀移动通信有限公司 | A kind of antenna assembly and terminal |
| CN106025503A (en) * | 2016-06-08 | 2016-10-12 | 广东欧珀移动通信有限公司 | Global navigation satellite system (GNSS) antenna system of mobile terminal, mobile terminal and electronic equipment |
| CN106129636A (en) * | 2016-06-08 | 2016-11-16 | 广东欧珀移动通信有限公司 | GNSS antenna system, mobile terminal and the electronic equipment of mobile terminal |
| CN106685438A (en) * | 2017-01-10 | 2017-05-17 | 广东欧珀移动通信有限公司 | Radio frequency circuit and terminal |
| CN106911356A (en) * | 2017-03-28 | 2017-06-30 | 维沃移动通信有限公司 | A kind of signal switching method and mobile terminal |
| CN107911141A (en) * | 2017-11-15 | 2018-04-13 | 宁波麦度智联科技股份有限公司 | A kind of system for reducing communication terminal frequency and phase error |
| CN110086552A (en) * | 2019-04-28 | 2019-08-02 | 深圳市万普拉斯科技有限公司 | Antenna combination equipment and mobile terminal |
| WO2020221101A1 (en) * | 2019-04-28 | 2020-11-05 | 深圳市万普拉斯科技有限公司 | Antenna combination device and mobile terminal |
| CN110086552B (en) * | 2019-04-28 | 2021-11-05 | 深圳市万普拉斯科技有限公司 | Antenna combination equipment and mobile terminal |
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Application publication date: 20160302 |