CN104362439A - Antenna device and electronic device - Google Patents
Antenna device and electronic device Download PDFInfo
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- CN104362439A CN104362439A CN201410706983.0A CN201410706983A CN104362439A CN 104362439 A CN104362439 A CN 104362439A CN 201410706983 A CN201410706983 A CN 201410706983A CN 104362439 A CN104362439 A CN 104362439A
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Abstract
The invention provides an antenna device and an electronic device. The antenna device comprises an LTEMIMO antenna, a GPS antenna and a WIFI antenna. The antennas are switched and selected through a radio frequency selector switch, and the switching function of the radio frequency selector switch is controlled by a baseband chip. According to the antenna device and the electronic device comprising the same, the multiple independent antennas are combined, the corresponding antennas are switched and selected through the radio frequency selector switch, the pressure that an antenna accommodating space of the electronic device is not large enough is reduced, working performance of the antennas is enhanced, and production line assembling cost, antenna cost, and structure cost of the electronic device accommodating the antenna device are lowered.
Description
Technical field
The present invention relates to a kind of accessory device of electronic equipment, particularly relate to a kind of antenna assembly of electronic equipment.
Background technology
The function of handset manufacturers to mobile phone proposes increasing requirement, and the not enough problem of the pressure of device cost and design space is in continuous increase.Along with the rise of 4G cell phone, mobile phone will use multiple antenna to complete existing capability, generally applying in 4G communication of MIMO technology, MIMO (Multiple-Input Multiple-Out-put, multiple-input and multiple-output) system is a core technology applying to 802.11n.This technology is proposed in 1908 by Marconi the earliest, it utilizes multiple antennas to suppress channel fading, MIMO technology refers to the technology utilizing multi-emitting and multiple receive antenna to carry out space diversity, what it adopted is discrete multiple antennas, effectively communication link can be decomposed into many parallel subchannels, thus greatly improve power system capacity.MIMO technology makes space become one to may be used for putting forward high performance resource, and can increase the coverage of wireless system.Utilize MIMO technology can improve the capacity of channel, also can improve the reliability of channel simultaneously, reduce the error rate.As a part for mobile phone, the final performance of antenna for mobile phone is how, outside the Pass the performance quality of the receiver with mobile phone has, and the more crucially radio frequency environment of mobile phone itself, the position of antenna in mobile phone is unfavorable and the useful space is not enough, can cause antenna efficiency, bandwidth is not enough.Prior art 4G cell phone antenna amount demand is many, but mobile phone limited space, make effective usage space of antenna not enough, the performance of antenna can decline.How better more reasonably to utilize antenna space very important.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of antenna assembly and electronic equipment, for solving the insufficient space for effective containing antenna of electronic equipment in prior art and causing the problem of the hydraulic performance decline of antenna.
For achieving the above object and other relevant objects, the invention provides a kind of antenna assembly, have multiple antenna, described multiple antenna carries out switching by radio frequency converting switch and selects.
Preferably, controlled by the handoff functionality of baseband chip to described radio frequency converting switch.
Preferably, described multiple antenna comprises LTE mimo antenna, gps antenna and WIFI antenna.
Preferably, described LTE mimo antenna comprises LTE main antenna and the auxiliary antenna of LTE.
Preferably, described gps antenna and WIFI antenna are connected two transmitting terminals of a duplexer respectively.
Preferably, the receiving terminal of described duplexer is connected with an output of described radio frequency converting switch.
For achieving the above object and other relevant objects, the invention provides a kind of electronic equipment, in described electronic equipment, apply the antenna assembly as above described in any one.
As mentioned above, a kind of antenna assembly of the present invention and apply the electronic equipment of this antenna assembly, multiple discrete antenna is combined, corresponding antenna is selected by radio frequency converting switch and then switching, reduce the pressure of electronic equipment containing antenna insufficient space, strengthen Antenna Operation performance, reduce the infrastructure cost of the electronic equipment producing line assembly cost, antenna cost and containing antenna device.
Accompanying drawing explanation
Fig. 1 is shown as the antenna design schematic diagram that in prior art, electric terminal adopts.
Fig. 2 is shown as the antenna design schematic diagram that in prior art, electric terminal adopts.
Fig. 3 is shown as a kind of antenna assembly of the present invention structural representation in one embodiment.
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this specification can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 3.Notice, 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.
The antenna scheme that the electric terminal of current support 4G mainly adopts has following two kinds:
The first scheme: refer to Fig. 1, is shown as the antenna design that electric terminal in prior art adopts, has 4 separate antennas, i.e. the main antenna LTE RX of LTE mimo antenna and auxiliary antenna LTE TX RX, wifi antenna and gps antenna.
First scheme: refer to Fig. 2, is shown as the antenna design that electric terminal in prior art adopts, has 3 separate antennas, i.e. the main antenna LTE RX of LTE mimo antenna and auxiliary antenna LTE TX RX, wifi antenna+gps antenna.Described wifi antenna is connected by a duplexer with gps antenna, duplexer is also known as antenna multicoupler, more special two-way three end filters, faint acknowledge(ment) signal lotus root can be closed, larger transmitting power can be fed to antenna again to get on, and both complete its function separately and do not influence each other.
As a part for mobile phone, the final performance of antenna for mobile phone is how, outside the Pass the performance quality of the receiver with mobile phone has, and the more crucially radio frequency environment of mobile phone itself, the position of antenna in mobile phone is unfavorable and the useful space is not enough, can cause antenna efficiency, bandwidth is not enough.In order to better improve the performance of antenna, invention proposes wifi and/or GPS to be merged in LTE mimo antenna, reduces the space that antenna for mobile phone takies, improves the radio frequency bad border of antenna.
Refer to Fig. 3, be shown as a kind of antenna assembly of the present invention structural representation in one embodiment.Described antenna assembly has the main antenna LTE RX of LTE mimo antenna and auxiliary antenna LTE TX RX, wifi antenna and gps antenna, and described multiple antenna carries out switching by radio frequency converting switch 11 and selects.Described radio frequency converting switch 11 is the switch in figure, described radio frequency converting switch 11 is such as the SP4T of Skyworks, the Pin description that SP4T has pin J1, J2, J3, J4 tetra-Pin pin and V1, V2, V3, V4 tetra-DC control voltage, a selected SP4T is as described in for following table:
| Pin# | Name | Description | Pin# | Name | Description |
| 1 | J2 | RF output(Note 1) | 6 | J3 | RF output(Note 1) |
| 2 | V2 | DC control voltage | 7 | V3 | DC control voltage |
| 3 | N/C | No connection | 8 | RFC | RF common input(Note 1) |
| 4 | V1 | DC control voltage | 9 | V4 | DC control voltage |
| 5 | J1 | RF output(Note 1) | 10 | J4 | RF output(Note 1) |
The logic control relation truth table that described SP4T is corresponding is:
| V1(Pin 4) | V2(Pin 2) | V3(Pin 7) | V4(Pin 9) | RFC to J1 | RFC to J2 | RFC to J3 | RFC to J4 |
| 1 | 0 | 0 | 0 | Insertion Ioss | Isolation | Isolation | Isolation |
| 0 | 1 | 0 | 0 | Isolation | Inseition Ioss | Isolation | Isolation |
| 0 | 0 | 1 | 0 | Isolation | Isolation | Insertion Ioss | Isolation |
| 0 | 0 | 0 | 1 | Isolation | Isolation | Isolation | Insertion Ioss |
Preferably, controlled by the handoff functionality of baseband chip to described radio frequency converting switch.Controlled by the handoff functionality of baseband chip BPI control pin to described radio frequency converting switch SP4T, and then select different RF output.
In the present embodiment, described LTE antenna can connect 3 LTE frequency ranges, i.e. LTE Band 40, LTE Band 41 and LTE Band 38, the frequency range of LTE Band 40 is 2300MHz-2400MHz, the frequency range of LTE Band 41 is the frequency range of 2496MHz-2690MHz, LTE Band 38 is 2570MHz-2620MHz.LTE Band 40, LTE Band 41, LTE Band 38, duplexer receiving terminal connect J1, J2, J3, J4 tetra-Pin pin of SP4T respectively, SP4T upper V1, V2, V3, V4 tetra-DC control voltage connect baseband chip respectively and control pin, when the logical combination that described baseband chip controls V1, V2, V3, V4 on described SP4T is " 0001 ", the situation that the signal of duplexer can be selected to input, at this moment can use the function of wifi or GPS.Correspondence can be switched in LTE Band 40, LTE Band 41, LTE Band 38 and go when using LTE data or speech business.Be switched to wifi, during the function of GPS, other antennas of LTE also can use.Wifi and/or gps antenna are merged in LTE mimo antenna by a diverter switch device by the present invention, do separate antennas no longer separately, reduce the pressure of electronic device antenna insufficient space.
The invention allows for a kind of electronic equipment, described electronic equipment is such as smart mobile phone, panel computer, notebook etc. have the equipment of antenna assembly, the antenna assembly in the embodiment had as described in Figure 3 is applied in described electronic equipment, multiple antenna assembly is merged, and undertaken selecting the required antenna run by a radio frequency converting switch, the pressure of electronic device antenna insufficient space can be reduced.
In sum, a kind of antenna assembly of the present invention and apply the electronic equipment of this antenna assembly, multiple discrete antenna is combined, corresponding antenna is selected by radio frequency converting switch and then switching, reduce the pressure of electronic equipment containing antenna insufficient space, strengthen Antenna Operation performance, reduce the infrastructure cost of the electronic equipment producing line assembly cost, antenna cost and containing antenna device.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
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 (7)
1. an antenna assembly, has multiple antenna, it is characterized in that: described multiple antenna carries out switching by radio frequency converting switch and selects.
2. antenna assembly according to claim 1, is characterized in that: controlled by the handoff functionality of baseband chip to described radio frequency converting switch.
3. antenna assembly according to claim 1, is characterized in that: described multiple antenna comprises LTE mimo antenna, gps antenna and WIFI antenna.
4. antenna assembly according to claim 3, is characterized in that: described LTE mimo antenna comprises LTE main antenna and the auxiliary antenna of LTE.
5. antenna assembly according to claim 3, is characterized in that: described gps antenna and WIFI antenna are connected two transmitting terminals of a duplexer respectively.
6. antenna assembly according to claim 5, is characterized in that: the receiving terminal of described duplexer is connected with an output of described radio frequency converting switch.
7. an electronic equipment, is characterized in that, comprises the antenna assembly as described in claim 1 to 6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410706983.0A CN104362439A (en) | 2014-11-27 | 2014-11-27 | Antenna device and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410706983.0A CN104362439A (en) | 2014-11-27 | 2014-11-27 | Antenna device and electronic device |
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| CN104362439A true CN104362439A (en) | 2015-02-18 |
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| CN201410706983.0A Pending CN104362439A (en) | 2014-11-27 | 2014-11-27 | Antenna device and electronic device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954040A (en) * | 2015-06-10 | 2015-09-30 | 联想(北京)有限公司 | Method for determining antenna use and electronic equipment |
| CN105515603A (en) * | 2015-11-26 | 2016-04-20 | 小米科技有限责任公司 | Wireless communication device, terminal device and wireless communication control method |
| CN106253938A (en) * | 2015-06-05 | 2016-12-21 | 苹果公司 | For sky line locking and the equipment of selection and method |
| CN106898865A (en) * | 2017-01-19 | 2017-06-27 | 瑞声科技(新加坡)有限公司 | Antenna and mobile terminal |
| CN106911350A (en) * | 2015-12-22 | 2017-06-30 | 华硕电脑股份有限公司 | Radio communication device |
| WO2017166353A1 (en) * | 2016-03-31 | 2017-10-05 | 宇龙计算机通信科技(深圳)有限公司 | Carrier aggregation circuit implementation method and implementation system, and mobile terminal |
| CN112152644A (en) * | 2020-09-15 | 2020-12-29 | 深圳市广和通无线股份有限公司 | SRS transmission switching circuit, communication module and communication terminal |
| US10992064B2 (en) | 2019-03-29 | 2021-04-27 | Wistron Corp. | Mobile device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253938A (en) * | 2015-06-05 | 2016-12-21 | 苹果公司 | For sky line locking and the equipment of selection and method |
| CN106253938B (en) * | 2015-06-05 | 2019-09-17 | 苹果公司 | Device and method for day line locking and selection |
| US10206236B2 (en) | 2015-06-05 | 2019-02-12 | Apple Inc. | Device and method for antenna synchronization and selection |
| CN104954040A (en) * | 2015-06-10 | 2015-09-30 | 联想(北京)有限公司 | Method for determining antenna use and electronic equipment |
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| CN105515603B (en) * | 2015-11-26 | 2018-04-24 | 小米科技有限责任公司 | Radio communication device, terminal device and wireless communication control method |
| CN105515603A (en) * | 2015-11-26 | 2016-04-20 | 小米科技有限责任公司 | Wireless communication device, terminal device and wireless communication control method |
| CN106911350B (en) * | 2015-12-22 | 2019-06-25 | 华硕电脑股份有限公司 | Wireless communication device |
| CN106911350A (en) * | 2015-12-22 | 2017-06-30 | 华硕电脑股份有限公司 | Radio communication device |
| WO2017166353A1 (en) * | 2016-03-31 | 2017-10-05 | 宇龙计算机通信科技(深圳)有限公司 | Carrier aggregation circuit implementation method and implementation system, and mobile terminal |
| CN106898865A (en) * | 2017-01-19 | 2017-06-27 | 瑞声科技(新加坡)有限公司 | Antenna and mobile terminal |
| US10992064B2 (en) | 2019-03-29 | 2021-04-27 | Wistron Corp. | Mobile device |
| TWI761669B (en) * | 2019-03-29 | 2022-04-21 | 緯創資通股份有限公司 | Mobile device and antenna structure |
| CN112152644A (en) * | 2020-09-15 | 2020-12-29 | 深圳市广和通无线股份有限公司 | SRS transmission switching circuit, communication module and communication terminal |
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Application publication date: 20150218 |
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