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 PDF

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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
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WIPO (PCT)
Prior art keywords
throw switch
main
antenna
pole double
contact
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Application number
PCT/CN2014/072225
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English (en)
French (fr)
Inventor
赵坤
秦虎根
王亚军
翟昱云
兰航
Original Assignee
华为终端有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to US15/116,777 priority Critical patent/US10128884B2/en
Priority to CN201480004828.2A priority patent/CN104956597B/zh
Priority to JP2016553014A priority patent/JP6315523B2/ja
Priority to EP14883313.0A priority patent/EP3091820B1/en
Priority to PCT/CN2014/072225 priority patent/WO2015123813A1/zh
Publication of WO2015123813A1 publication Critical patent/WO2015123813A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/18Input circuits, e.g. for coupling to an antenna or a transmission line
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/28Combinations of substantially independent non-interacting antenna units or systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO 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

一种能够提高系统的 MIMO性能的天线接口电路,该天线接口电路包括主集连接器和单刀双掷开关,其中:该主集连接器的公共触点作为主集接收机接线端;该主集连接器的常闭触点作为主集天线接线端;该主集连接器的常开触点作为外接天线接线端;该单刀双掷开关的公共触点作为分集接收机接线端;该单刀双掷开关的常闭触点作为分集天线接线端;该单刀双掷开关的常开触点和该主集连接器的常闭触点相连;当该主集连接器的公共触点连接至该主集连接器的常开触点时,该单刀双掷开关的公共触点连接至该单刀双掷开关的常开触点。

Description

一种天线接口电路、 数据卡、 天线连接控制方法及装置 技术领域
本发明涉及通信技术领域, 特别涉及一种天线接口电路、 通用移动通信 系统数据卡、 天线连接控制方法及装置。 背景技术
现有技术中, 通信系统通常会设置主集接收机和分集接收机两个接收机, 接收机天线的接口电路如图 1所示, 主集连接器 Connector的公共触点 cO连 接主集接收机, 常闭触点 cl连接主集天线, 常开触点 c2连接外接天线, 即根 据实际应用场景的具体需求, 主集接收机可以连接主集天线或外接天线, 而 分集接收机仅能连接分集天线。 其中, 外接天线的性能优于主集天线, 主集 天线的性能优于分集天线。
为了保证系统的 MIMO ( Multiple-Input Multiple-Output,多入多出)性能, 通常希望主集接收机和分集接收机的性能差异不要过大。 然而, 当主集接收 机连接外接天线, 分集接收机连接分集天线时, 由于外接天线和分集天线的 性能差异较大, 也将会导致主集接收机和分集接收机的性能差异较大, 进而 影响系统的 MIMO性能。 发明内容
本发明实施例提供一种天线接口电路, 用以提高系统的 MIMO性能。 第一方面, 提供一种天线接口电路, 包括主集连接器和单刀双掷开关, 其中:
所述主集连接器的公共触点作为主集接收机接线端;
所述主集连接器的常闭触点作为主集天线接线端;
所述主集连接器的常开触点作为外接天线接线端;
所述单刀双掷开关的公共触点作为分集接收机接线端; 所述单刀双掷开关的常闭触点作为分集天线接线端;
所述单刀双掷开关的常开触点和所述主集连接器的常闭触点相连; 当所述主集连接器的公共触点连接至所述主集连接器的常开触点时, 所 述单刀双掷开关的公共触点连接至所述单刀双掷开关的常开触点。
结合第一方面, 在第一种可能的实现方式中, 还包括:
当所述主集连接器的公共触点未连接至所述主集连接器的常开触点时, 所述单刀双掷开关的公共触点连接至所述单刀双掷开关的常闭触点。
结合第一方面, 或者第一方面的第一种可能的实现方式, 在第二种可能 的实现方式中, 还包括单刀单掷开关, 所述单刀双掷开关的常开触点通过所 述单刀单掷开关和所述主集连接器的常闭触点相连;
当所述主集连接器的公共触点连接至所述主集连接器的常开触点时, 所 述单刀单掷开关闭合。
第二方面, 提供一种天线接口电路, 包括主集连接器、 第一单刀双掷开 关和第二单刀双掷开关, 其中:
所述主集连接器的公共触点作为主集接收机接线端;
所述主集连接器的常闭触点和所述第一单刀双掷开关的常闭触点相连, 所述第一单刀双掷开关的公共触点作为主集天线接线端;
所述主集连接器的常开触点作为外接天线接线端;
所述第二单刀双掷开关的公共触点作为分集接收机接线端;
所述第二单刀双掷开关的常闭触点作为分集天线接线端;
所述第二单刀双掷开关的常开触点和所述第一单刀双掷开关的常开触点 相连;
当所述主集连接器的公共触点连接至所述主集连接器的常开触点时, 所 述第一单刀双掷开关的公共触点连接至所述第一单刀双掷开关的常开触点, 所述第二单刀双掷开关的公共触点连接至所述第二单刀双掷开关的常开触 点。
结合第二方面, 在第一种可能的实现方式中, 还包括: 当所述主集连接器的公共触点未连接至所述主集连接器的常开触点时, 所述第一单刀双掷开关的公共触点连接至所述第一单刀双掷开关的常闭触 点, 所述第二单刀双掷开关的公共触点连接至所述第二单刀双掷开关的常闭 触点。
第三方面, 提供一种通用移动通信系统数据卡, 包括上述任一天线接口 电路。
第四方面, 提供一种天线连接控制方法, 包括:
检测主集接收机是否连接外接天线;
当所述主集接收机连接所述外接天线时, 控制分集接收机连接主集天线。 结合第四方面, 在第一种可能的实现方式中, 还包括:
当所述主集接收机未连接所述外接天线时, 控制所述分集接收机连接分 集天线。
第五方面, 提供一种天线连接控制装置, 包括:
检测单元, 用于检测主集接收机是否连接外接天线;
控制单元, 用于当所述主集接收机连接所述外接天线时, 控制分集接收 机连接主集天线。
结合第五方面, 在第一种可能的实现方式中, 所述控制单元, 还用于当 所述主集接收机未连接所述外接天线时, 控制所述分集接收机连接分集天线。
根据第一方面提供的天线接口电路, 第二方面提供的天线接口电路, 第 三方面提供的通用移动通信系统数据卡, 第四方面提供的天线连接控制方法, 或第五方面提供的天线连接控制装置, 当主集接收机连接外接天线时, 使分 集接收机连接主集天线, 相比于现有技术中主集接收机连接外接天线时分集 接收机连接分集天线的方案, 釆用本发明实施例提供的方案减小了主集接收 机和分集接收机连接的天线间的性能差异, 因此能够减小主集接收机和分集 接收机间的性能差异, 进而提高了系统的 MIMO性能。 附图说明
附图用来提供对本发明的进一步理解, 并且构成说明书的一部分, 与本 发明实施例一起用于解释本发明, 并不构成对本发明的限制。 在附图中: 图 1为现有技术中的天线接口电路的示意图;
图 2为本发明实施例 1提供的天线接口电路的示意图之一;
图 3为本发明实施例 1提供的天线接口电路的示意图之二;
图 4为本发明实施例 2提供的天线接口电路的示意图之一;
图 5为本发明实施例 2提供的天线接口电路的示意图之二;
图 6为本发明实施例 3提供的天线接口电路的示意图之一;
图 7为本发明实施例 3提供的天线接口电路的示意图之二;
图 8为本发明实施例 5提供的天线连接控制方法的流程示意图; 图 9为本发明实施例 6提供的天线连接控制装置的结构示意图。 具体实施方式
为了给出提高系统的 MIMO性能的实现方案, 本发明实施例提供了一种 天线接口电路、 通用移动通信系统数据卡、 天线连接控制方法及装置, 以下 结合说明书附图对本发明的优选实施例进行说明, 应当理解, 此处所描述的 优选实施例仅用于说明和解释本发明, 并不用于限定本发明。 并且在不冲突 的情况下 , 本申请中的实施例及实施例中的特征可以相互组合。
实施例 1 :
本发明实施例 1提供了一种天线接口电路, 如图 2所示, 包括主集连接 器 Connector和单刀双掷开关 SPDT , 其中:
主集连接器 Connector的公共触点 c0作为主集接收机接线端;
主集连接器 Connector的常闭触点 cl作为主集天线接线端;
主集连接器 Connector的常开触点 c2作为外接天线接线端;
单刀双掷开关 SPDT的公共触点 s0作为分集接收机接线端; 单刀双掷开关 SPDT的常闭触点 si作为分集天线接线端;
单刀双掷开关 SPDT的常开触点 s2和主集连接器 Connector的常闭触点 cl相连;
当主集连接器 Connector的公共触点 c0连接至主集连接器 Connector的常 开触点 c2时, 单刀双掷开关 SPDT的公共触点 sO连接至单刀双掷开关 SPDT 的常开触点 s2。
即当主集接收机连接外接天线时, 分集接收机连接主集天线。 此时电路 状态即为图 2所示状态。
可见, 相比于现有技术中在主集接收机连接外接天线时分集接收机仍连 接分集天线的方案, 釆用本发明实施例 1 的方案, 在主集接收机连接外接天 线时, 分集接收机连接和外接天线性能差异较小的主集天线, 从而能够减小 主集接收机和分集接收机间的性能差异, 提高系统的 MIMO性能。
进一步的, 如图 3所示, 当主集连接器 Connector的公共触点 c0未连接 至主集连接器 Connector的常开触点 c2时, 单刀双掷开关 SPDT的公共触点 sO连接至单刀双掷开关 SPDT的常闭触点 sl。
即当主集接收机未连接外接天线, 连接主集天线时, 分集接收机连接分 集天线。
具体实现时, 为避免连接线过长而影响主集天线性能, 还可以釆用下述 实施例 2的天线接口电路。
实施例 2:
本发明实施例 2提供的天线接口电路如图 4所示, 在上述实施例 1提供 的天线接口电路的基础上还包括了一个单刀单掷开关 SPST, 单刀双掷开关 SPDT的常开触点 s2通过单刀单掷开关 SPST和主集连接器 Connector的常闭 触点 cl 相连; 当主集连接器 Connector 的公共触点 c0 连接至主集连接器 Connector的常开触点 c2时, 单刀单掷开关 SPST闭合。
即当主集接收机连接外接天线时, 单刀双掷开关 SPDT的公共触点 sO连 接至单刀双掷开关 SPDT的常开触点 s2,单刀单掷开关 SPST闭合, 实现了分 集接收机连接主集天线。 此时电路状态即为图 4所示状态。
进一步的, 当主集连接器 Connector的公共触点 c0未连接至主集连接器
Connector的常开触点 c2时, 单刀双掷开关 SPDT的公共触点 s0连接至单刀 双掷开关 SPDT的常闭触点 si , 单刀单掷开关 SPST可以闭合, 较佳的, 单刀 单掷开关 SPST断开, 此时电路状态即为图 5所示状态。
即当主集接收机未连接外接天线, 连接主集天线时, 分集接收机连接分 集天线。
釆用本发明实施例 2提供的天线接口电路,相比于上述实施例 1 , 同样能 够提高系统的 MIMO性能, 并且通过增加的单刀单掷开关 SPST能够对连接 线进行分割, 避免连接线过长而影响主集天线性能。
实施例 3:
本发明实施例 3还提供了一种天线接口电路, 如图 6所示, 包括主集连 接器 Connector, 第一单刀双掷开关 SPDT1和第二单刀双掷开关 SPDT2, 其 中:
主集连接器 Connector的公共触点 c0作为主集接收机接线端;
主集连接器 Connector的常闭触点 cl和第一单刀双掷开关 SPDT1的常闭 触点 sll相连, 第一单刀双掷开关 SPDT1的公共触点 slO作为主集天线接线 端;
主集连接器 Connector的常开触点 c2作为外接天线接线端;
第二单刀双掷开关 SPDT2的公共触点 s20作为分集接收机接线端; 第二单刀双掷开关 SPDT2的常闭触点 s21作为分集天线接线端; 第二单刀双掷开关 SPDT2的常开触点 s22和第一单刀双掷开关 SPDT1的 常开触点 sl2相连;
当主集连接器 Connector的公共触点 c0连接至主集连接器 Connector的常 开触点 c2时,第一单刀双掷开关 SPDT1的公共触点 slO连接至第一单刀双掷 开关 SPDT1的常开触点 sl2, 第二单刀双掷开关 SPDT2的公共触点 s20连接 至第二单刀双掷开关 SPDT2的常开触点 s22。 即当主集接收机连接外接天线时, 分集接收机连接主集天线。 此时电路 状态即为图 6所示状态。
进一步的, 如图 7所示, 当主集连接器 Connector的公共触点 c0未连接 至主集连接器 Connector的常开触点 c2时, 第一单刀双掷开关 SPDT1的公共 触点 slO连接至第一单刀双掷开关 SPDT1的常闭触点 sll , 第二单刀双掷开 关 SPDT2的公共触点 s20连接至第二单刀双掷开关 SPDT2的常闭触点 s21。
即当主集接收机未连接外接天线, 连接主集天线时, 分集接收机连接分 集天线。
可见, 本发明实施例 3提供的天线接口电路和上述实施例 2原理相同, 能够达到的技术效果也相同。
本发明实施例 1-3任一所述的天线接口电路, 可应用于多种通信产品中 , 以提高产品性能。
实施例 4:
本发明实施例 4提供了一种通用移动通信系统数据卡, 包括上述实施例 1-3任一所述的天线接口电路。
实施例 5:
本发明实施例 5提供了一种天线连接控制方法, 如图 8所示, 包括: 步骤 801、 检测主集接收机是否连接外接天线;
步骤 802、当主集接收机连接外接天线时,控制分集接收机连接主集天线。 进一步的, 上述天线连接控制方法还包括:
当主集接收机未连接外接天线时, 控制分集接收机连接分集天线。
即本发明实施例 5提供的天线连接控制方法对主集接收机是否连接了外 接天线进行检测判断, 根据主集接收机连接的天线来确定分集接收机连接的 天线, 通过缩小主集接收机和分集接收机连接的天线间的性能差异, 减小主 集接收机和分集接收机间的性能差异, 提高系统的 MIMO性能。
实施例 6:
基于同一发明构思, 根据本发明上述实施例 5提供的天线连接控制方法, 相应地, 本发明实施例 6还提供一种天线连接控制装置, 其结构示意图如图 9 所示, 具体包括:
检测单元 901 , 用于检测主集接收机是否连接外接天线;
控制单元 902, 用于当主集接收机连接外接天线时,控制分集接收机连接 主集天线。
进一步的, 控制单元 902, 还用于当主集接收机未连接外接天线时, 控制 分集接收机连接分集天线。
综上所述, 釆用本发明实施例提供的方案能够提高系统的 MIMO性能。 本领域内的技术人员应明白, 尽管已描述了本发明的优选实施例, 但本 领域内的技术人员一旦得知了基本创造性概念, 则可对这些实施例作出另外 的变更和修改。 所以, 所附权利要求意欲解释为包括优选实施例以及落入本 发明范围的所有变更和修改。 脱离本发明实施例的精神和范围。 这样, 倘若本发明实施例的这些修改和变 型属于本发明权利要求及其等同技术的范围之内, 则本发明也意图包含这些 改动和变型在内。

Claims

权 利 要 求
1、 一种天线接口电路, 其特征在于, 包括主集连接器和单刀双掷开关, 其中:
所述主集连接器的公共触点作为主集接收机接线端;
所述主集连接器的常闭触点作为主集天线接线端;
所述主集连接器的常开触点作为外接天线接线端;
所述单刀双掷开关的公共触点作为分集接收机接线端;
所述单刀双掷开关的常闭触点作为分集天线接线端;
所述单刀双掷开关的常开触点和所述主集连接器的常闭触点相连; 当所述主集连接器的公共触点连接至所述主集连接器的常开触点时, 所 述单刀双掷开关的公共触点连接至所述单刀双掷开关的常开触点。
2、 如权利要求 1所述的电路, 其特征在于, 还包括:
当所述主集连接器的公共触点未连接至所述主集连接器的常开触点时, 所述单刀双掷开关的公共触点连接至所述单刀双掷开关的常闭触点。
3、 如权利要求 1或 2所述的电路, 其特征在于, 还包括单刀单掷开关, 所述单刀双掷开关的常开触点通过所述单刀单掷开关和所述主集连接器的常 闭触点相连;
当所述主集连接器的公共触点连接至所述主集连接器的常开触点时, 所 述单刀单掷开关闭合。
4、 一种天线接口电路, 其特征在于, 包括主集连接器、 第一单刀双掷开 关和第二单刀双掷开关, 其中:
所述主集连接器的公共触点作为主集接收机接线端;
所述主集连接器的常闭触点和所述第一单刀双掷开关的常闭触点相连, 所述第一单刀双掷开关的公共触点作为主集天线接线端;
所述主集连接器的常开触点作为外接天线接线端;
所述第二单刀双掷开关的公共触点作为分集接收机接线端; 所述第二单刀双掷开关的常闭触点作为分集天线接线端;
所述第二单刀双掷开关的常开触点和所述第一单刀双掷开关的常开触点 相连;
当所述主集连接器的公共触点连接至所述主集连接器的常开触点时, 所 述第一单刀双掷开关的公共触点连接至所述第一单刀双掷开关的常开触点, 所述第二单刀双掷开关的公共触点连接至所述第二单刀双掷开关的常开触 点。
5、 如权利要求 4所述的电路, 其特征在于, 还包括:
当所述主集连接器的公共触点未连接至所述主集连接器的常开触点时, 所述第一单刀双掷开关的公共触点连接至所述第一单刀双掷开关的常闭触 点, 所述第二单刀双掷开关的公共触点连接至所述第二单刀双掷开关的常闭 触点。
6、 一种通用移动通信系统数据卡, 其特征在于, 包括权利要求 1-5任一 所述的天线接口电路。
7、 一种天线连接控制方法, 其特征在于, 包括:
检测主集接收机是否连接外接天线;
当所述主集接收机连接所述外接天线时, 控制分集接收机连接主集天线。
8、 如权利要求 7所述的方法, 其特征在于, 还包括:
当所述主集接收机未连接所述外接天线时, 控制所述分集接收机连接分 集天线。
9、 一种天线连接控制装置, 其特征在于, 包括:
检测单元, 用于检测主集接收机是否连接外接天线;
控制单元, 用于当所述主集接收机连接所述外接天线时, 控制分集接收 机连接主集天线。
10、 如权利要求 9 所述的装置, 其特征在于, 所述控制单元, 还用于当 所述主集接收机未连接所述外接天线时, 控制所述分集接收机连接分集天线。
PCT/CN2014/072225 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 WO2015123813A1 (zh)

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