WO2015123813A1 - 一种天线接口电路、数据卡、天线连接控制方法及装置 - Google Patents
一种天线接口电路、数据卡、天线连接控制方法及装置 Download PDFInfo
- Publication number
- WO2015123813A1 WO2015123813A1 PCT/CN2014/072225 CN2014072225W WO2015123813A1 WO 2015123813 A1 WO2015123813 A1 WO 2015123813A1 CN 2014072225 W CN2014072225 W CN 2014072225W WO 2015123813 A1 WO2015123813 A1 WO 2015123813A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- throw switch
- main
- antenna
- pole double
- contact
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 17
- 238000010295 mobile communication Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
Definitions
- Antenna interface circuit data card, antenna connection control method and device
- the present invention relates to the field of communications technologies, and in particular, to an antenna interface circuit, a data card of a universal mobile communication system, and an antenna connection control method and apparatus. Background technique
- the communication system usually sets two receivers, a main set receiver and a diversity receiver.
- the interface circuit of the receiver antenna is as shown in FIG. 1 , and the common contact cO of the main set connector is connected to the main set receiver.
- the normally closed contact cl is connected to the main set antenna, and the normally open contact c2 is connected to the external antenna. That is, according to the specific requirements of the actual application scenario, the main set receiver can be connected to the main set antenna or the external antenna, and the diversity receiver can only connect the diversity. antenna.
- the performance of the external antenna is better than that of the main antenna
- the performance of the main antenna is better than that of the diversity antenna.
- the performance difference between the primary receiver and the diversity receiver is not excessive.
- the performance difference between the external antenna and the diversity antenna will also cause a large difference in performance between the main receiver and the diversity receiver.
- Embodiments of the present invention provide an antenna interface circuit for improving MIMO performance of a system.
- an antenna interface circuit including a main set connector and a single pole double throw switch, wherein:
- the common contact of the main set connector serves as a main set receiver terminal
- the normally closed contact of the main set connector serves as a main set antenna terminal
- the normally open contact of the main set connector acts as an external antenna terminal
- the common contact of the single pole double throw switch is used as a diversity receiver terminal;
- the normally closed contact of the single pole double throw switch is used as a diversity antenna terminal;
- a normally open contact of the single pole double throw switch is coupled to a normally closed contact of the main set connector; when a common contact of the main set connector is coupled to a normally open contact of the main set connector The common contact of the single pole double throw switch is connected to the normally open contact of the single pole double throw switch.
- the method further includes:
- a common contact of the main set connector When a common contact of the main set connector is not connected to a normally open contact of the main set connector, a common contact of the single pole double throw switch is connected to a normally closed contact of the single pole double throw switch .
- the single-pole single-throw switch is further included, and the normally-open contact of the single-pole double-throw switch passes the single-pole a single throw switch is coupled to the normally closed contact of the main set connector;
- the single pole single throw switch is closed when the common contact of the main set connector is connected to the normally open contact of the main set connector.
- an antenna interface circuit including a main set connector, a first single pole double throw switch, and a second single pole double throw switch, wherein:
- the common contact of the main set connector serves as a main set receiver terminal
- a normally closed contact of the main set connector is connected to a normally closed contact of the first single pole double throw switch, and a common contact of the first single pole double throw switch is used as a main set antenna terminal;
- the normally open contact of the main set connector acts as an external antenna terminal
- a normally open contact of the second single pole double throw switch is connected to a normally open contact of the first single pole double throw switch
- the method further includes: a common contact of the first single pole double throw switch is coupled to the first single pole double throw switch when a common contact of the main set connector is not connected to a normally open contact of the main set connector a normally closed contact, the common contact of the second single pole double throw switch being coupled to the normally closed contact of the second single pole double throw switch.
- a universal mobile communication system data card including any of the antenna interface circuits described above.
- the fourth aspect provides an antenna connection control method, including:
- the control diversity receiver is connected to the main set antenna.
- the method further includes:
- the diversity receiver is controlled to be connected to the diversity antenna.
- a fifth aspect provides an antenna connection control apparatus, including:
- a detecting unit configured to detect whether the main set receiver is connected to the external antenna
- control unit configured to control the diversity receiver to connect to the main set antenna when the main set receiver is connected to the external antenna.
- control unit is further configured to: when the main set receiver is not connected to the external antenna, control the diversity receiver to connect to the diversity antenna.
- the antenna interface circuit provided by the first aspect, the antenna interface circuit provided by the second aspect, the universal mobile communication system data card provided by the third aspect, the antenna connection control method provided by the fourth aspect, or the antenna connection control provided by the fifth aspect The device, when the main set receiver is connected to the external antenna, the diversity receiver is connected to the main set antenna, compared to the prior art, the main set receiver is connected to the external antenna, and the diversity receiver is connected to the diversity antenna, and the embodiment of the present invention is used.
- the proposed scheme reduces the performance difference between the antennas connected to the main receiver and the diversity receiver, thereby reducing the performance difference between the main receiver and the diversity receiver, thereby improving the MIMO performance of the system.
- FIG. 1 is a schematic diagram of an antenna interface circuit in the prior art
- FIG. 2 is a schematic diagram of an antenna interface circuit according to Embodiment 1 of the present invention.
- FIG. 3 is a second schematic diagram of an antenna interface circuit according to Embodiment 1 of the present invention.
- FIG. 4 is a schematic diagram of an antenna interface circuit according to Embodiment 2 of the present invention.
- FIG. 5 is a second schematic diagram of an antenna interface circuit according to Embodiment 2 of the present invention.
- FIG. 6 is a schematic diagram of an antenna interface circuit according to Embodiment 3 of the present invention.
- FIG. 7 is a second schematic diagram of an antenna interface circuit according to Embodiment 3 of the present invention.
- FIG. 8 is a schematic flowchart of an antenna connection control method according to Embodiment 5 of the present invention.
- FIG. 9 is a schematic structural diagram of an antenna connection control apparatus according to Embodiment 6 of the present invention.
- an embodiment of the present invention provides an antenna interface circuit, a data card for a universal mobile communication system, and an antenna connection control method and apparatus.
- the preferred embodiment of the present invention is described below with reference to the accompanying drawings. It is to be understood that the preferred embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. And in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
- Embodiment 1 of the present invention provides an antenna interface circuit, as shown in FIG. 2, including a main set connector Connector and a single pole double throw switch SPDT, wherein:
- the main contact connector of the main connector Connector c0 serves as the main receiver terminal
- the main set connector Connector's normally closed contact cl acts as the main set antenna terminal
- the mains connector Connector's normally open contact c2 acts as an external antenna terminal
- the common contact s0 of the single-pole double-throw switch SPDT is used as the diversity receiver terminal;
- the normally closed contact si of the single-pole double-throw switch SPDT is used as the diversity antenna terminal;
- Single-pole double-throw switch SPDT's normally open contact s2 is connected to the normally closed contact cl of the main connector connector;
- the circuit state is the state shown in Figure 2.
- the scheme of the first embodiment of the present invention is used, and the diversity receiver is connected when the main receiver is connected to the external antenna.
- the main set antenna with small difference in performance between the machine connection and the external antenna can reduce the performance difference between the main set receiver and the diversity receiver, and improve the MIMO performance of the system.
- the diversity receiver is connected to the diversity antenna.
- the antenna interface circuit of the following Embodiment 2 can also be used.
- the antenna interface circuit provided in Embodiment 2 of the present invention is as shown in FIG. 4.
- the antenna interface circuit provided in Embodiment 1 further includes a single-pole single-throw switch SPST, and the normally-open contact s2 of the single-pole double-throw switch SPDT.
- the single-pole single-throw switch SPST is connected to the normally closed contact cl of the main connector connector; when the common contact c0 of the main connector connector is connected to the normally open contact c2 of the main connector connector, the single-pole single-throw switch SPST closure.
- the circuit state is the state shown in FIG.
- the circuit state is the state shown in Figure 5.
- the diversity receiver is connected to the diversity antenna.
- the MIMO performance of the system can be improved as compared with Embodiment 1 described above, and the connecting line can be divided by the added single-pole single-throw switch SPST, thereby avoiding the connection line being too long. It affects the performance of the main set antenna.
- Embodiment 3 of the present invention further provides an antenna interface circuit, as shown in FIG. 6, including a main set connector Connector, a first single pole double throw switch SPDT1 and a second single pole double throw switch SPDT2, wherein:
- the main contact connector of the main connector Connector c0 serves as the main receiver terminal
- the normally closed contact cl of the main connector connector is connected to the normally closed contact s11 of the first single pole double throw switch SPDT1, and the common contact slO of the first single pole double throw switch SPDT1 is used as the main set antenna terminal;
- the mains connector Connector's normally open contact c2 acts as an external antenna terminal
- the common contact s20 of the second single pole double throw switch SPDT2 serves as the diversity receiver terminal;
- the normally closed contact s21 of the second single pole double throw switch SPDT2 serves as the diversity antenna terminal;
- the normally open contact of the second single pole double throw switch SPDT2 S22 is connected to the normally open contact sl2 of the first single pole double throw switch SPDT1;
- the common contact sl10 of the first single pole double throw switch SPDT1 is connected to the normally open touch of the first single pole double throw switch SPDT1
- the common contact s20 of the second single pole double throw switch SPDT2 is connected to the normally open contact s22 of the second single pole double throw switch SPDT2. That is, when the main set receiver is connected to the external antenna, the diversity receiver is connected to the main set antenna.
- the circuit state is the state shown in FIG. 6.
- the diversity receiver is connected to the diversity antenna.
- the antenna interface circuit provided in Embodiment 3 of the present invention has the same principle as that of Embodiment 2 described above, and the technical effects that can be achieved are also the same.
- the antenna interface circuit according to any one of embodiments 1-3 of the present invention can be applied to various communication products to improve product performance.
- Embodiment 4 of the present invention provides a universal mobile communication system data card, including the antenna interface circuit of any of the above embodiments 1-3.
- Embodiment 5 of the present invention provides an antenna connection control method, as shown in FIG. 8, including: Step 801: detecting whether a main set receiver is connected to an external antenna;
- Step 802 When the main set receiver is connected to the external antenna, the control diversity receiver is connected to the main set antenna. Further, the antenna connection control method further includes:
- the control diversity receiver is connected to the diversity antenna.
- the antenna connection control method provided in Embodiment 5 of the present invention detects whether the main set receiver is connected to the external antenna, determines the antenna connected to the diversity receiver according to the antenna connected to the main set receiver, and reduces the main set receiver and The performance difference between the antennas connected by the diversity receiver reduces the performance difference between the main receiver and the diversity receiver, and improves the MIMO performance of the system.
- Embodiment 6 of the present invention further provides an antenna connection control device, and a schematic structural diagram thereof is shown in FIG.
- the detecting unit 901 is configured to detect whether the main set receiver is connected to the external antenna;
- the control unit 902 is configured to control the diversity receiver to connect to the main set antenna when the main set receiver is connected to the external antenna.
- control unit 902 is further configured to control the diversity receiver to connect the diversity antenna when the main set receiver is not connected to the external antenna.
- the solution provided by the embodiment of the present invention can improve the MIMO performance of the system. It will be apparent to those skilled in the art that ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and the modifications and The spirit and scope of the embodiments of the present invention are departed. Thus, it is intended that the present invention cover the modifications and modifications of the embodiments of the invention.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Keying Circuit Devices (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/116,777 US10128884B2 (en) | 2014-02-19 | 2014-02-19 | Antenna interface circuit, data card, and antenna connection control method and apparatus |
CN201480004828.2A CN104956597B (zh) | 2014-02-19 | 2014-02-19 | 一种天线接口电路、数据卡、天线连接控制方法及装置 |
JP2016553014A JP6315523B2 (ja) | 2014-02-19 | 2014-02-19 | アンテナインターフェース回路、データカード、及びアンテナ接続制御方法及び装置 |
EP14883313.0A EP3091820B1 (en) | 2014-02-19 | 2014-02-19 | Antenna interface circuit, data card, antenna connection control method, and apparatus |
PCT/CN2014/072225 WO2015123813A1 (zh) | 2014-02-19 | 2014-02-19 | 一种天线接口电路、数据卡、天线连接控制方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2014/072225 WO2015123813A1 (zh) | 2014-02-19 | 2014-02-19 | 一种天线接口电路、数据卡、天线连接控制方法及装置 |
Publications (1)
Publication Number | Publication Date |
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WO2015123813A1 true WO2015123813A1 (zh) | 2015-08-27 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2014/072225 WO2015123813A1 (zh) | 2014-02-19 | 2014-02-19 | 一种天线接口电路、数据卡、天线连接控制方法及装置 |
Country Status (5)
Country | Link |
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US (1) | US10128884B2 (zh) |
EP (1) | EP3091820B1 (zh) |
JP (1) | JP6315523B2 (zh) |
CN (1) | CN104956597B (zh) |
WO (1) | WO2015123813A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110445517A (zh) * | 2019-06-17 | 2019-11-12 | 深圳市万普拉斯科技有限公司 | 多输入多输出天线系统、天线控制方法和电子设备 |
CN110931943A (zh) * | 2019-12-20 | 2020-03-27 | 惠州Tcl移动通信有限公司 | 外置天线及终端设备 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105871444A (zh) * | 2016-03-18 | 2016-08-17 | 乐视移动智能信息技术(北京)有限公司 | 一种手机天线复用方法及系统 |
CN106910983A (zh) * | 2017-03-16 | 2017-06-30 | 宇龙计算机通信科技(深圳)有限公司 | 天线系统及具有该天线系统的通信终端 |
CN110971259A (zh) * | 2019-11-22 | 2020-04-07 | 上海麦腾物联网技术有限公司 | 一种新型物联网天线及其控制方法 |
CN114257264B (zh) * | 2021-12-15 | 2023-08-11 | 惠州Tcl移动通信有限公司 | 射频天线线路、pcb板及移动终端 |
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US20120171977A1 (en) * | 2011-01-05 | 2012-07-05 | GM Global Technology Operations LLC | Antenna diversity scheme employing band pass sampling and fast semiconductor switching |
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FI90703C (fi) | 1992-02-14 | 1994-03-10 | Nokia Mobile Phones Ltd | Diversiteettiboosteri |
JPH11251981A (ja) | 1998-03-06 | 1999-09-17 | Sony Corp | 移動通信機 |
DE60305637T2 (de) * | 2003-03-19 | 2007-05-03 | Sony Ericsson Mobile Communications Ab | Schaltbare Antennenanordnung |
JP3915763B2 (ja) * | 2003-09-19 | 2007-05-16 | 株式会社日立製作所 | 携帯端末 |
US8150454B2 (en) * | 2005-12-19 | 2012-04-03 | Sony Ericsson Mobile Communications Ab | System and method for implementing antenna diversity |
JP2011101112A (ja) * | 2009-11-04 | 2011-05-19 | Nec Casio Mobile Communications Ltd | 無線通信装置、無線通信方法及びプログラム |
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2014
- 2014-02-19 EP EP14883313.0A patent/EP3091820B1/en active Active
- 2014-02-19 CN CN201480004828.2A patent/CN104956597B/zh active Active
- 2014-02-19 US US15/116,777 patent/US10128884B2/en active Active
- 2014-02-19 JP JP2016553014A patent/JP6315523B2/ja active Active
- 2014-02-19 WO PCT/CN2014/072225 patent/WO2015123813A1/zh active Application Filing
Patent Citations (3)
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CN1691537A (zh) * | 2004-04-20 | 2005-11-02 | 华为技术有限公司 | 一种射频信号接收单元和方法 |
CN201928508U (zh) * | 2010-09-21 | 2011-08-10 | 华为终端有限公司 | 一种印刷电路板 |
US20120171977A1 (en) * | 2011-01-05 | 2012-07-05 | GM Global Technology Operations LLC | Antenna diversity scheme employing band pass sampling and fast semiconductor switching |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110445517A (zh) * | 2019-06-17 | 2019-11-12 | 深圳市万普拉斯科技有限公司 | 多输入多输出天线系统、天线控制方法和电子设备 |
WO2020253521A1 (zh) * | 2019-06-17 | 2020-12-24 | 深圳市万普拉斯科技有限公司 | 多输入多输出天线系统、天线控制方法和电子设备 |
CN110931943A (zh) * | 2019-12-20 | 2020-03-27 | 惠州Tcl移动通信有限公司 | 外置天线及终端设备 |
Also Published As
Publication number | Publication date |
---|---|
US10128884B2 (en) | 2018-11-13 |
EP3091820A4 (en) | 2017-01-04 |
EP3091820A1 (en) | 2016-11-09 |
JP2017513282A (ja) | 2017-05-25 |
US20160352375A1 (en) | 2016-12-01 |
EP3091820B1 (en) | 2019-08-28 |
CN104956597B (zh) | 2017-04-12 |
JP6315523B2 (ja) | 2018-04-25 |
CN104956597A (zh) | 2015-09-30 |
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