WO2016119384A1 - 天线和三载波天线 - Google Patents

天线和三载波天线 Download PDF

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Publication number
WO2016119384A1
WO2016119384A1 PCT/CN2015/082219 CN2015082219W WO2016119384A1 WO 2016119384 A1 WO2016119384 A1 WO 2016119384A1 CN 2015082219 W CN2015082219 W CN 2015082219W WO 2016119384 A1 WO2016119384 A1 WO 2016119384A1
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WIPO (PCT)
Prior art keywords
frequency band
antenna
antenna switch
communication
band
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PCT/CN2015/082219
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English (en)
French (fr)
Inventor
刘建富
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中兴通讯股份有限公司
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Publication of WO2016119384A1 publication Critical patent/WO2016119384A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • This document relates to wireless communication technologies, especially antennas and three-carrier antennas.
  • a wireless communication terminal that is, a terminal supporting wireless communication such as Long Term Evolution (LTE) mobile communication
  • LTE Long Term Evolution
  • different antennas are usually set for each frequency band, that is, a communication frequency band.
  • a mobile phone in order to support a mobile communication band and a WiFi communication band, an antenna for a mobile communication band and an antenna for a WiFi communication band are provided. It can be seen that as the number of supported frequency bands increases, the number of antennas needs to be increased correspondingly in the relevant wireless communication terminal, which increases the space size for setting the antenna, thereby increasing the size of the wireless communication terminal, thereby affecting the wireless communication.
  • the portability of the terminal, especially the mobile terminal reduces the user experience.
  • the embodiment of the present invention provides an antenna and two types of three-carrier antennas, which can reduce the number of antennas in the wireless communication terminal and reduce the space size for setting the antenna.
  • An embodiment of the present invention provides an antenna, including a multiplexing antenna for a first frequency band and a second frequency band, and a multiplexing split combiner for the first frequency band and the second frequency band, where
  • the multiplexing antenna is configured to transmit a communication signal of a first frequency band and a communication signal of a second frequency band in an uplink direction via the multiplexing branch combiner;
  • the multiplexing antenna is configured to receive a communication signal of a first frequency band and a communication signal of a second frequency band in a downlink direction via the multiplexing branch combiner.
  • the antenna further includes a first frequency band antenna switch and a second frequency band antenna switch, where the first frequency band antenna switch is provided with one or more uplink output and/or downlink input ends, and the second frequency band antenna switch One or more upstream outputs and/or downlink inputs are provided, wherein
  • the multiplex antenna is configured to be connected to an uplink output and/or a downlink input of the first band antenna switch via the multiplexer combiner, and to connect to the multiplexer via the multiplexer combiner Description Upstream output and/or downlink input of the second band antenna switch;
  • the uplink output end of the antenna switch of the first frequency band is configured to send a communication signal of the first frequency band, and the downlink input end of the antenna switch of the first frequency band is configured to receive a communication signal of the first frequency band;
  • the uplink output end of the second frequency band antenna switch is configured to transmit the communication signal of the second frequency band
  • the downlink input end of the second frequency band antenna switch is configured to receive the communication signal of the second frequency band
  • the first frequency band is a mobile communication high frequency band
  • the second frequency band is a WiFi communication frequency band.
  • the embodiment of the present invention further provides a three-carrier antenna, including a first antenna (34) and a first branch combiner (21) for a mobile communication medium frequency band and a mobile communication low frequency band, and for mobile communication a second antenna (35) and a second branch combiner (22) of a high frequency band and a WiFi communication band, wherein
  • the first antenna (34) is configured to transmit a communication signal of a mobile communication low frequency band and a communication signal of a mobile communication medium frequency band in an uplink direction via the first branch combiner (21), and receive the mobile communication in a downlink direction.
  • the second antenna (35) is configured to transmit a communication signal of a mobile communication high frequency band and a communication signal of a WiFi communication frequency band in an uplink direction via the second branch combiner (22), and receive mobile communication in a downlink direction.
  • the communication signal of the frequency band and the communication signal of the WiFi communication frequency band are configured to transmit a communication signal of a mobile communication high frequency band and a communication signal of a WiFi communication frequency band in an uplink direction via the second branch combiner (22), and receive mobile communication in a downlink direction.
  • the three-carrier antenna further includes a low frequency antenna switch (11), an intermediate frequency antenna switch (12), a high frequency antenna switch (13), and a WiFi antenna switch (14), wherein
  • the first antenna (34) is disposed to be connected to a downlink input terminal and an uplink output terminal of the low frequency antenna switch (11) via the first branch combiner (21), and via the first branch a combiner (21) is connected to the downlink input terminal and the uplink output terminal of the intermediate frequency antenna switch (12);
  • the second antenna (35) is disposed to be connected to a downlink input terminal and an uplink output terminal of the high frequency antenna switch (13) via the second branch combiner (22), and via the second point
  • the road combiner (22) is connected to the downlink input end and the uplink output end of the WiFi antenna switch (14).
  • the low frequency antenna switch (11), the intermediate frequency antenna switch (12), and the high frequency The antenna switch (13) respectively includes two or more uplink outputs, and two or more downlink inputs;
  • the uplink output end of the low frequency antenna switch (11) is configured to transmit a communication signal of the low frequency band of the mobile communication, and the downlink input end of the low frequency antenna switch (11) is configured to receive a communication signal of the low frequency band of the mobile communication;
  • the uplink output end of the intermediate frequency antenna switch (12) is configured to transmit a communication signal of the mobile communication medium frequency band, and the downlink input end of the intermediate frequency antenna switch (12) is configured to receive the communication signal of the mobile communication medium frequency band;
  • the uplink output end of the high frequency antenna switch (13) is configured to transmit a communication signal of the mobile communication high frequency band, and the downlink input end of the high frequency antenna switch (13) is configured to receive the communication of the mobile communication high frequency band signal.
  • the uplink output end of the WiFi antenna switch (14) is configured to receive a communication signal of a WiFi communication frequency band, and a downlink input end of the WiFi antenna switch (14) is configured to send a communication signal of a WiFi communication frequency band, where The upstream output and the downstream input are time-multiplexed with the same port.
  • the low frequency antenna switch (11), the intermediate frequency antenna switch (12), the high frequency antenna switch (13) and the WiFi antenna switch (14) are all controlled by the mobile industry processor interface MIPI.
  • the low frequency antenna switch (11) and the intermediate frequency antenna switch (12) are disposed in the same antenna switch.
  • the high frequency wire switch and the WiFi antenna switch (14) are disposed in the same antenna switch.
  • the uplink output end of the high frequency antenna switch (13) is configured as a band pass filter connected to a frequency band of a communication signal of a mobile communication frequency band transmitted thereon, and the high frequency antenna switch (13)
  • the downlink input terminal is configured as a band pass filter corresponding to a frequency band of the communication signal of the mobile communication band received thereon;
  • the uplink output end of the WiFi antenna switch (14) is configured as a band pass filter corresponding to a frequency band of a communication signal of a WiFi communication band transmitted thereon, and a downlink input end of the WiFi antenna switch (14) is set to be connected.
  • the embodiment of the present invention further provides a three-carrier antenna, including a low frequency antenna for a low frequency band of a mobile terminal communication, an intermediate frequency antenna for a medium frequency band of a mobile terminal communication, and an antenna as described above, wherein
  • the low frequency antenna is configured to transmit a communication signal of a low frequency band of the mobile communication in an uplink direction, and receive a communication signal of a low frequency band of the mobile communication in a downlink direction;
  • the intermediate frequency antenna is configured to transmit a communication signal of a frequency band in the mobile communication in an uplink direction, and receive a communication signal of a frequency band in the mobile communication in a downlink direction.
  • the technical solution of the embodiment of the present invention includes a multiplexing antenna and a multiplexing split combiner for the first frequency band and the second frequency band, wherein the multiplexing antenna is connected via the multiplexing branch combiner
  • the communication signal of the first frequency band and the communication signal of the second frequency band are respectively received in the uplink direction, and the communication signal of the first frequency band and the communication signal of the second frequency band are respectively transmitted in the downlink direction.
  • FIG. 1 is a schematic structural view showing the structure of an antenna according to a first embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a three-carrier antenna according to a second embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a three-carrier antenna in a third embodiment of the present invention.
  • FIG. 4(a) is a schematic structural diagram of a structure of an LTE three-carrier antenna according to a fourth embodiment of the present invention.
  • FIG. 4(b) is a first application scenario of an LTE three-carrier antenna according to a fourth embodiment of the present invention.
  • 4(c) is a second application scenario of an LTE three-carrier antenna in the fourth embodiment of the present invention.
  • FIG. 4(d) shows a second application scenario of the LTE three-carrier antenna in the fourth embodiment of the present invention.
  • 11 is a low frequency antenna switch
  • 12 is an intermediate frequency antenna switch
  • 13 is a high frequency antenna switch
  • 14 is a WiFi antenna switch
  • 21 is a first branch combiner
  • 22 is a second split combiner
  • 34 For the first antenna, 35 is the second antenna, 41 is the first antenna switch, and 42 is the second antenna switch.
  • FIG. 1 is a schematic structural diagram of an antenna of a first embodiment of the present invention, as shown in FIG. 1, including a multiplexing antenna for a first frequency band and a second frequency band, and multiplexing for the first frequency band and the second frequency band.
  • Branch combiner wherein
  • the multiplexing antenna is configured to transmit the communication signal of the first frequency band and the communication signal of the second frequency band in an uplink direction via the multiplexing branch combiner;
  • the multiplexing antenna is configured to receive the communication signal of the first frequency band and the communication signal of the second frequency band in the downlink direction via the multiplexing branch combiner.
  • the implementation of the multiplex antenna may be an antenna supporting the first frequency band and the second frequency band.
  • the implementation of the multiplexing shunt combiner may be a split combiner.
  • the first frequency band and the second frequency band are frequency bands that are close in frequency.
  • the first frequency band is the low frequency band of the LTE mobile communication
  • the second frequency band is the middle frequency band of the LTE mobile communication.
  • the antenna of the embodiment of the present invention further includes a first frequency band antenna switch and a second frequency band antenna switch, wherein the first frequency band antenna switch and the second frequency band antenna switch are respectively provided with one or more uplink outputs and/or Or the downstream input, where
  • the multiplexing antenna is configured to be respectively connected to the downlink input/uplink output of the first frequency band antenna switch and the second frequency band antenna switch via the multiplexing branch combiner, that is, the multiplexing antenna is configured to be connected via the multiplexing a combiner connected to an uplink output and/or a downlink input of the first frequency band antenna switch, and an uplink output and/or a downlink input connected to the second frequency band antenna switch via the multiplexed split combiner end;
  • the uplink output end of the first frequency band antenna switch is configured to send the communication signal of the first frequency band
  • the downlink input end of the first frequency band antenna switch is configured to receive the communication signal of the first frequency band
  • the uplink output end of the second frequency band antenna switch is configured to transmit the communication signal of the second frequency band
  • the downlink input end of the second frequency band antenna switch is configured to receive a communication signal of the second frequency band.
  • the first frequency band antenna switch is an SP7T (Single-Pole Seven-Throw) antenna switch
  • the second frequency band antenna switch is an SP1T (Single-Pole One-Throw) antenna switch.
  • the first frequency band antenna switch and the second frequency band antenna switch are both set to be controlled by a Mobile Industry Processor Interface (MIPI).
  • MIPI Mobile Industry Processor Interface
  • the first frequency band is a mobile communication high frequency band such as LTE
  • the second frequency band is a WiFi communication frequency band.
  • the three-carrier antenna can support simultaneous communication in three different frequency bands, the communication bandwidth can be effectively improved.
  • the three-carrier antenna has an increased number of antennas compared to the conventional single-carrier antenna, and each antenna requires an additional antenna headroom, so the size of the three-carrier antenna is increased. In this way, the size of the wireless communication terminal, especially the mobile terminal, using the three-carrier antenna is increased, thereby reducing the portability of the wireless communication terminal and affecting the user experience of the wireless communication terminal.
  • the embodiment of the present invention further provides a three-carrier antenna, which realizes sharing one antenna by the high frequency band of the mobile communication and the WiFi communication frequency band, thereby reducing the number of antennas required for the three-carrier antenna, thereby saving the antenna and the required clearance area thereof.
  • the occupied space thus reduces the size of the three-carrier antenna as a whole, thereby reducing the size of the wireless communication terminal using the three-carrier antenna, improving the portability of the wireless communication terminal, and reducing the cost of the wireless communication terminal, thereby improving the cost.
  • User experience of wireless communication terminals is provided.
  • FIG. 2 is a schematic structural diagram of a three-carrier antenna according to a second embodiment of the present invention, as shown in FIG. 2, including a first antenna 34 and a first branch combiner for a mobile communication medium frequency band and a mobile communication low frequency band. 21. A second antenna 35 and a second split combiner 22 for a mobile communication high frequency band and a WiFi communication frequency band, wherein
  • the first antenna 34 is configured to respectively transmit/receive a communication signal of a mobile communication low frequency band and a communication signal of a mobile communication high frequency band in an uplink/downlink direction via the first branch combiner 21, including: the first antenna 34 is disposed via The first branch combiner 21 respectively transmits the communication signal of the mobile communication low frequency band and the communication signal of the mobile communication medium frequency band in the uplink direction; the first antenna 34 is disposed to be respectively received in the downlink direction via the first branch combiner 21 The communication signal of the low frequency band of the mobile communication and the communication signal of the frequency band of the mobile communication.
  • the second antenna 35 is disposed to be separately transmitted in the uplink/downlink direction via the second branch combiner 22 Receiving a communication signal of a mobile communication high frequency band and a communication signal of a WiFi communication frequency band, that is, the second antenna 35 is configured to transmit a communication signal of a high frequency band of the mobile communication and a WiFi communication frequency band in the uplink direction via the second branch combiner 22
  • the communication signal receives the communication signal of the high frequency band of the mobile communication and the communication signal of the WiFi communication frequency band in the downlink direction.
  • the first antenna 34 is a medium-low frequency antenna 31, and the second antenna 35 is a WiFi antenna.
  • FIG. 3 is a schematic structural diagram of a three-carrier antenna according to a third embodiment of the present invention.
  • a low-frequency antenna switch 11 is provided on the basis of the three-carrier antenna shown in FIG. , an intermediate frequency antenna switch 12, a high frequency antenna switch 13, and a WiFi antenna switch 14, wherein
  • the first antennas 34 are respectively connected to the downlink input/uplink output terminals of the low frequency antenna switch 11 and the intermediate frequency antenna switch 12 via the first branch combiner 21, that is, connected to the low frequency antenna via the first branch combiner 21. a downlink input terminal and an uplink output terminal of the switch 11, and a downlink input terminal and an uplink output terminal connected to the intermediate frequency antenna switch 12 via the first branch combiner 21;
  • the second antenna 35 is disposed to be connected to the downstream input/uplink output end of the high frequency antenna switch 13 and the WiFi antenna switch 14 via the second branch combiner 22, that is, connected to the second branch combiner 22 via the second branch combiner 22
  • the downlink input terminal and the uplink output terminal of the high frequency antenna switch (13) are connected to the downlink input terminal and the uplink output terminal of the WiFi antenna switch (14) via the second branch combiner 22.
  • the low frequency in the terminal product includes 698-960MHz
  • the intermediate frequency includes 1710-2170MHz
  • the high frequency includes 2300-2690MHz.
  • the low frequency antenna switch 11, the intermediate frequency antenna switch 12, and the high frequency antenna switch 13 each include two or more uplink outputs, and two or more downlink inputs.
  • the uplink output end of the low frequency antenna switch 11 is configured to transmit a communication signal of a low frequency band of the mobile communication
  • the downlink input end is configured to receive a communication signal of a low frequency band of the mobile communication.
  • the low frequency band of the mobile communication is LTE band 5 or LTE band 17 and the like.
  • the uplink output end of the intermediate frequency antenna switch 12 is configured to transmit a communication signal of a frequency band in the mobile communication, and the downlink input end is configured to receive a communication signal of a frequency band in the mobile communication.
  • the frequency band in the mobile communication is LTE band 1 or LTE band 2, and the like.
  • the uplink output end of the high frequency antenna switch 13 is set to transmit the communication in the high frequency band of the mobile communication
  • the signal, the downlink input is set to receive the communication signal of the high frequency band of the mobile communication.
  • the high frequency band of the mobile communication is LTE band 7 or LTE band 40 or the like.
  • the uplink output end of the WiFi antenna switch 14 is configured to receive a communication signal of a WiFi communication frequency band
  • the downlink input end of the WiFi antenna switch 14 is configured to transmit a communication signal of a WiFi communication frequency band, the uplink output terminal and the downlink input. End-time multiplexing the same port.
  • the frequency ranges of the low frequency antenna switch 11, the intermediate frequency antenna switch 12, the high frequency antenna switch 13 and the WiFi antenna switch 14 respectively include the frequency range of the communication signals that they receive and transmit.
  • the frequency range includes the frequency range of the communication signals of all the mobile communication low frequency bands that it receives and transmits.
  • the low frequency antenna switch 11, the intermediate frequency antenna switch 12 and the high frequency antenna switch 13 are both SP7T (Single-Pole Seven-Throw) antenna switches, and the WiFi antenna switch 14 is SP1T (Single-Pole One-Throw). ) Antenna switch.
  • the low frequency antenna switch 11, the intermediate frequency antenna switch 12, the high frequency antenna switch 13 and the WiFi antenna switch 14 are all set to be implemented by a Mobile Industry Processor Interface (MIPI) (not shown in FIG. 3). control.
  • MIPI Mobile Industry Processor Interface
  • the frequency range of the first shunt combiner 21 includes the frequency range of the low frequency antenna switch 11 and the intermediate frequency antenna switch 12 connected thereto; the frequency range of the second shunt combiner 22 includes the high frequency antenna switch 13 and WiFi connected thereto The frequency range of the antenna switch 14.
  • the three-carrier antenna shown in FIG. 3 realizes sharing one antenna through the high frequency band of the mobile communication and the WiFi communication frequency band, thereby reducing the number of antennas required for the three-carrier antenna, thus saving the antenna and its required headroom.
  • the area occupied by the area, and the total volume of the added WiFi antenna switch and the second shunt combiner is much smaller than the saved volume, thus reducing the size of the three-carrier antenna as a whole, thereby reducing the wireless using the three-carrier antenna
  • the size of the communication terminal increases the portability of the wireless communication terminal and reduces the cost of the wireless communication terminal, thereby improving the user experience of the wireless communication terminal.
  • FIG. 4(a) is a schematic structural diagram of a structure of an LTE three-carrier antenna according to a fourth embodiment of the present invention.
  • the low frequency antenna switch 11 and the intermediate frequency antenna switch 12 are disposed in the same antenna switch, as shown in FIG.
  • the first antenna switch chip 41, the high frequency wire switch and the WiFi antenna switch 14 are disposed in the same antenna switch, such as the second antenna switch chip 42 in the figure.
  • the first antenna switch chip 41 And the second antenna switch chip 42 are both switch chips provided with a MIPI interface.
  • FIG. 4(b) is a first application scenario of an LTE three-carrier antenna according to the fourth embodiment of the present invention.
  • the LTE three-carrier antenna is shown in FIG. 4(b), and is used for uplink and downlink communication in LTE frequency band 1, and LTE.
  • LTE frequency band 1 and LTE are used for downlink communication
  • three-carrier mixing is realized.
  • the uplink and downlink communication signals of the LTE band 1 and the downlink communication signal of the LTE band 5 are connected to the first antenna 34 via the first branch combiner 21, and the downlink communication signal and WiFi of the LTE band 7 are transmitted.
  • the communication signals in the uplink and downlink directions of the communication band are connected to the second antenna 35 via the second branch combiner 22.
  • the LTE frequency band 7 is 2.5 GHz to 2.69 GHz
  • the WiFi frequency band is 2.4 GHz to 2.4835 GHz.
  • the communication signal of the LTE frequency band 7 is set to be connected to a band pass filter corresponding to the frequency band of the communication signal (not shown in FIG. 4(b)), and the communication signal of the WiFi band is set to be connected to a band pass filter corresponding to the frequency band of the communication signal (FIG. 4(b) Not shown).
  • FIG. 4(c) is a second application scenario of the LTE three-carrier antenna in the fourth embodiment of the present invention, as shown in FIG. 4(c), the LTE three-carrier antenna is used in the LTE frequency band 5 for uplink and downlink communication, and LTE.
  • the frequency band 1 and the LTE frequency band 7 are used for downlink communication, three carrier mixing is realized.
  • the LTE three-carrier antenna is used in the LTE frequency band 7 for uplink and downlink communication, and LTE is used.
  • the frequency band 1 and the LTE frequency band 5 are used for downlink communication, three carrier mixing is realized.
  • the uplink output/downlink input terminals of all the LTE frequency bands of the high frequency antenna switch 13 are respectively connected to a plurality of band pass filters corresponding to the frequency band of the communication signal of the mobile communication band transmitted/received thereon, that is, the uplink output terminal is connected.
  • the uplink output end of the switch 14 is set to be connected to a band pass filter corresponding to the frequency band of the communication signal of the WiFi communication band transmitted thereon, and the downlink input end of the WiFi antenna switch (14) is set to be connected to the WiFi communication band received thereon
  • the band of the communication signal corresponds to the bandpass filter.
  • the two frequency bands may share one second antenna 35.
  • the two frequency bands may share one second antenna 35.
  • the interference between the communication signals of the frequency band is in accordance with the order of the proximity of the high frequency band of the LTE mobile communication and the WiFi communication frequency band, and the communication signals of the plurality of LTE mobile communication high frequency bands are separated from the communication signals of the WiFi communication frequency band.
  • the far-to-near mode is connected to the high-frequency antenna switch 13, that is, the closer the communication signal of the mobile communication high-frequency band to the WiFi communication band is, the larger the physical distance of the communication signal from the WiFi communication band.
  • the three-carrier antenna includes: a low-frequency antenna for a mobile terminal communication low frequency band (such as an LTE mobile communication low frequency band), and an intermediate frequency antenna for a mobile terminal communication medium frequency band (such as an LTE mobile communication medium frequency band). And a multiplexing antenna and a multiplexing split combiner for a high frequency band of a mobile terminal (such as a high frequency band of an LTE mobile communication) and a WiFi frequency band, wherein
  • the multiplexed antenna respectively transmits the communication signal of the high frequency band of the mobile communication and the communication signal of the low frequency band of the mobile communication in the uplink direction via the multiplexed split combiner, and respectively receives the communication signal of the high frequency band of the mobile communication and the low frequency band of the mobile communication in the downlink direction Communication signal.
  • the low frequency antenna transmits the communication signal of the low frequency band of the mobile communication in the uplink direction, and receives the communication signal of the low frequency band of the mobile communication in the downlink direction;
  • the intermediate frequency antenna transmits a communication signal of the frequency band in the mobile communication in the uplink direction, and receives the communication signal of the frequency band in the mobile communication in the downlink direction.
  • the technical solution provided by the embodiment of the present invention reduces the number of antennas required in the wireless communication terminal, reduces the space size for setting the antenna, and reduces the size of the wireless communication terminal, thereby ensuring wireless communication.
  • the terminal is particularly portable and user-friendly.

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Abstract

本实用新型实施例提供了天线和三载波天线，天线包括用于第一频段和第二频段的复用天线和复用分路合路器，其中，复用天线经由复用分路合路器在上行方向上分别发送第一频段的通信信号和第二频段的通信信号，在下行方向上分别接收第一频段的通信信号和第二频段的通信信号。

Description

天线和三载波天线 技术领域
本文涉及无线通信技术，尤指天线和三载波天线。
背景技术
众所周知，无线通信终端即支持无线通信如长期演进(LTE，Long Term Evolution)移动通信的终端，需要使用天线以支持无线通信。相关现无线通信终端中，通常针对每个频段即通信频段设置不同的天线。以手机为例，为了支持移动通信频段和WiFi通信频段，其中设置有用于移动通信频段的天线和用于WiFi通信频段的天线。可见，随着支持的频段的数量的增加，相关无线通信终端中需要相应增加天线的数量，这样增加了用于设置天线的空间尺寸，随之增加了无线通信终端的尺寸，从而影响了无线通信终端尤其移动终端的便携性，降低了用户体验。
实用新型内容
本实用新型实施例提供了一种天线和两种三载波天线，能够减小无线通信终端中天线的数量，减小用于设置天线的空间尺寸。
本实用新型实施例提供了一种天线，包括用于第一频段和第二频段的复用天线，和用于第一频段和第二频段的复用分路合路器，其中，
所述复用天线设置为经由所述复用分路合路器在上行方向上发送第一频段的通信信号和第二频段的通信信号；以及
所述复用天线设置为经由所述复用分路合路器在下行方向上接收第一频段的通信信号和第二频段的通信信号。
可选地，所述天线还包括第一频段天线开关和第二频段天线开关，所述第一频段天线开关设置有一个或一个以上上行输出和/或下行输入端，所述第二频段天线开关设置有一个或一个以上上行输出和/或下行输入端，其中，
所述复用天线设置为经由所述复用分路合路器连接到所述第一频段天线开关的上行输出和/或下行输入端，以及经由所述复用分路合路器连接到所述 第二频段天线开关的上行输出和/或下行输入端；
所述第一频段天线开关的上行输出端设置为发送所述第一频段的通信信号，所述第一频段天线开关的下行输入端设置为接收所述第一频段的通信信号；
所述第二频段天线开关的上行输出端设置为发送所述第二频段的通信信号，所述第二频段天线开关的下行输入端设置为接收所述第二频段的通信信号。
可选地，所述第一频段为移动通信高频段，第二频段为WiFi通信频段。
本实用新型实施例还提供了一种三载波天线，包括用于移动通信中频段和移动通信低频段的第一天线(34)和第一分路合路器(21)、以及用于移动通信高频段和WiFi通信频段的第二天线(35)和第二分路合路器(22)，其中，
所述第一天线(34)设置为经由所述第一分路合路器(21)在上行方向上发送移动通信低频段的通信信号和移动通信中频段的通信信号，在下行方向上接收移动通信低频段的通信信号和移动通信中频段的通信信号；
所述第二天线(35)设置为经由所述第二分路合路器(22)在上行方向上发送移动通信高频段的通信信号和WiFi通信频段的通信信号，在下行方向上接收移动通信高频段的通信信号和WiFi通信频段的通信信号。
可选地，所述三载波天线还包括低频天线开关(11)、中频天线开关(12)、高频天线开关(13)、WiFi天线开关(14)，其中，
所述第一天线(34)设置为经由所述第一分路合路器(21)连接到所述低频天线开关(11)的下行输入端和上行输出端，以及经由所述第一分路合路器(21)连接到所述中频天线开关(12)的下行输入端和上行输出端；
所述第二天线(35)设置为经由所述第二分路合路器(22)连接到所述高频天线开关(13)的下行输入端和上行输出端，以及经由所述第二分路合路器(22)连接到所述WiFi天线开关(14)下行输入端和上行输出端。
可选地，其中，所述低频天线开关(11)、中频天线开关(12)和高频 天线开关(13)分别包括两个或两个以上上行输出端，以及两个或两个以上下行输入端；其中，
所述低频天线开关(11)的上行输出端设置为发送所述移动通信低频段的通信信号，所述低频天线开关(11)的下行输入端设置为接收所述移动通信低频段的通信信号；
所述中频天线开关(12)的上行输出端设置为发送所述移动通信中频段的通信信号，所述中频天线开关(12)的下行输入端设置为接收所述移动通信中频段的通信信号；
所述高频天线开关(13)的上行输出端设置为发送所述移动通信高频段的通信信号，所述高频天线开关(13)的下行输入端设置为接收所述移动通信高频段的通信信号。
可选地，所述WiFi天线开关(14)的上行输出端设置为接收WiFi通信频段的通信信号，所述WiFi天线开关(14)的下行输入端设置为发送WiFi通信频段的通信信号，所述上行输出端和下行输入端时分复用相同的端口。
可选地，所述低频天线开关(11)、中频天线开关(12)、高频天线开关(13)和WiFi天线开关(14)均由移动产业处理器接口MIPI控制。
可选地，所述低频天线开关(11)和中频天线开关(12)设置在同一天线开关中。
可选地，所述高频电线开关和WiFi天线开关(14)设置在同一天线开关中。
可选地，所述高频天线开关(13)的上行输出端设置为连接到与其上发送的移动通信频段的通信信号的频带对应的带通滤波器，所述高频天线开关(13)的下行输入端设置为连接到与其上接收的移动通信频段的通信信号的频带对应的带通滤波器；
所述WiFi天线开关(14)的上行输出端设置为连接到与其上发送的WiFi通信频段的通信信号的频带对应的带通滤波器，所述WiFi天线开关(14)的下行输入端设置为连接到与其上接收的WiFi通信频段的通信信号的频带对应的带通滤波器。
本实用新型实施例还提供了一种三载波天线，包括用于移动终端通信低频段的低频天线、用于移动终端通信中频段的中频天线和如前所述的天线，其中，
所述低频天线设置为在上行方向上发送移动通信低频段的通信信号，在下行方向上接收移动通信低频段的通信信号；
所述中频天线设置为在上行方向上发送移动通信中频段的通信信号，在下行方向上接收移动通信中频段的通信信号。
与相关技术相比，本实用新型实施例技术方案包括用于第一频段和第二频段的复用天线和复用分路合路器，其中，复用天线经由复用分路合路器在上行方向上分别接收第一频段的通信信号和第二频段的通信信号，在下行方向上分别发送第一频段的通信信号和第二频段的通信信号。通过本实用新型实施例技术方案，减少了无线通信终端中所需天线数量，相应减小了用于设置天线的空间尺寸，也随之降低了无线通信终端的尺寸，从而保证了无线通信终端尤其移动终端的便携性和用户体验。
附图概述
图1为本实用新型第一实施例天线的组成结构示意图；
图2为本实用新型第二实施例中三载波天线的组成结构示意图；
图3为本实用新型第三实施例中三载波天线的组成结构示意图；
图4(a)为本实用新型第四实施例中LTE三载波天线的组成结构示意图；
图4(b)为本实用新型第四实施例中LTE三载波天线的第一应用场景；
图4(c)为本实用新型第四实施例中LTE三载波天线的第二应用场景；
图4(d)为本实用新型第四实施例中LTE三载波天线的第二应用场景。
在附图中，11为低频天线开关，12为中频天线开关，13为高频天线开关，14为WiFi天线开关，21为第一分路合路器，22为第二分路合路器，34 为第一天线，35为第二天线，41为第一天线开关，42为第二天线开关。
本实用新型的实施方式
需要说明的是，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任意组合。
图1为本实用新型第一实施例天线的组成结构示意图，如图1所示，包括用于第一频段和第二频段的复用天线，以及用于第一频段和第二频段的复用分路合路器，其中，
复用天线设置为经由复用分路合路器在上行方向上发送第一频段的通信信号和第二频段的通信信号；
复用天线设置为经由复用分路合路器在下行方向上接收第一频段的通信信号和第二频段的通信信号。
其中，复用天线的实现可以为支持第一频段和第二频段的天线。
其中，复用分路合路器的实现可以为分路合路器(Diplexer)。
可选地，为了保证复用天线的通信性能，第一频段和第二频段为频率接近的频段。例如，第一频段为LTE移动通信的低频段，第二频段为LTE移动通信的中频段。
为了提高可控性，本实用新型实施例天线还包括第一频段天线开关和第二频段天线开关，所述第一频段天线开关和第二频段天线开关分别设置有一个或一个以上上行输出和/或下行输入端，其中，
复用天线设置为经由复用分路合路器分别连接到第一频段天线开关和第二频段天线开关的下行输入/上行输出端，即所述复用天线设置为经由所述复用分路合路器连接到所述第一频段天线开关的上行输出和/或下行输入端，以及经由所述复用分路合路器连接到所述第二频段天线开关的上行输出和/或下行输入端；
第一频段天线开关的上行输出端设置为发送所述第一频段的通信信号，所述第一频段天线开关的下行输入端设置为接收第一频段的通信信号；
第二频段天线开关的上行输出端设置为发送所述第二频段的通信信号， 所述第二频段天线开关的下行输入端设置为接收第二频段的通信信号。
在本实用新型实施例中，第一频段天线开关为SP7T(Single-Pole Seven-Throw)天线开关，第二频段天线开关为SP1T(Single-Pole One-Throw)天线开关。第一频段天线开关和第二频段天线开关均设置为由移动产业处理器接口(MIPI，Mobile Industry Processor Interface)控制。
在本实用新型实施例中，第一频段为移动通信高频段如LTE，第二频段为WiFi通信频段。
由于三载波天线可以支持在三个不同的频段上同时进行通信，因此能够有效提高通信带宽。但是三载波天线相比于传统单载波天线，所需天线数量增加，且每个天线均需要额外的天线净空区，因此三载波天线的尺寸增大了。这样使得采用三载波天线的无线通信终端尤其移动终端的尺寸随之增加，从而降低了无线通信终端的便携性，影响了无线通信终端的用户体验。
本实用新型实施例还提供了一种三载波天线，实现了通过移动通信高频段与WiFi通信频段共用一根天线，减少了三载波天线所需天线数量，这样节省了天线及其所需净空区所占空间，这样总体上减小了三载波天线的尺寸，从而降低了采用三载波天线的无线通信终端的尺寸，提高了无线通信终端的便携性且降低了无线通信终端的成本，进而提高了无线通信终端的用户体验。
图2为本实用新型第二实施例中三载波天线的组成结构示意图，如图2所示，包括用于移动通信中频段和移动通信低频段的第一天线34和第一分路合路器21、以及用于移动通信高频段和WiFi通信频段的第二天线35和第二分路合路器22，其中，
第一天线34设置为经由第一分路合路器21在上行/下行方向上分别发送/接收移动通信低频段的通信信号和移动通信高频段的通信信号，包括：第一天线34设置为经由第一分路合路器21在上行方向上分别发送移动通信低频段的通信信号和移动通信中频段的通信信号；第一天线34设置为经由第一分路合路器21在下行方向上分别接收移动通信低频段的通信信号和移动通信中频段的通信信号。
第二天线35设置为经由第二分路合路器22在上行/下行方向上分别发送 /接收移动通信高频段的通信信号和WiFi通信频段的通信信号，即第二天线35设置为经由第二分路合路器22在上行方向上发送移动通信高频段的通信信号和WiFi通信频段的通信信号，在下行方向上接收移动通信高频段的通信信号和WiFi通信频段的通信信号。
在本实用新型实施例中，第一天线34为中低频天线31，第二天线35为WiFi天线。
图3为本实用新型第三实施例中三载波天线的组成结构示意图，如图3所示，在如图2所示的三载波天线的基础上为了提高可控性，还包括低频天线开关11、中频天线开关12、高频天线开关13、WiFi天线开关14，其中，
第一天线34，设置为经由第一分路合路器21分别连接到低频天线开关11和中频天线开关12的下行输入/上行输出端，即经由第一分路合路器21连接到低频天线开关11的下行输入端和上行输出端，以及经由第一分路合路器21连接到所述中频天线开关12的下行输入端和上行输出端；
第二天线35，设置为经由第二分路合路器22分别连接到高频天线开关13和WiFi天线开关14的下行输入/上行输出端，即经由第二分路合路器22连接到所述高频天线开关(13)的下行输入端和上行输出端，以及经由第二分路合路器22连接到所述WiFi天线开关(14)下行输入端和上行输出端。
通常终端产品中低频包括698-960MHz，中频包括1710-2170MHz，高频包括2300-2690MHz。如图3所示，低频天线开关11、中频天线开关12和高频天线开关13均分别包括两个或两个以上上行输出端，以及两个或两个以上下行输入端。
其中，低频天线开关11的上行输出端设置为发送移动通信低频段的通信信号，下行输入端设置为接收移动通信低频段的通信信号。例如，在LTE移动通信中，移动通信低频段为LTE频段5或LTE频段17等。
其中，中频天线开关12的上行输出端设置为发送移动通信中频段的通信信号，下行输入端设置为接收移动通信中频段的通信信号。例如，在LTE移动通信中，移动通信中频段为LTE频段1或LTE频段2等。
其中，高频天线开关13的上行输出端设置为发送移动通信高频段的通信 信号，下行输入端设置为接收移动通信高频段的通信信号。例如，在LTE移动通信中，移动通信高频段为LTE频段7或LTE频段40等。
如图3所示，WiFi天线开关14的上行输出端设置为接收WiFi通信频段的通信信号，WiFi天线开关14的下行输入端设置为发送WiFi通信频段的通信信号，所述上行输出端和下行输入端时分复用相同的端口。
需要说明的是，低频天线开关11、中频天线开关12、高频天线开关13和WiFi天线开关14的频率范围均分别包括其接收和发送的通信信号的频率范围。以低频天线开关11为例来看，其频率范围包括其接收和发送的所有移动通信低频段的通信信号的频率范围。
在本实用新型实施例中，低频天线开关11、中频天线开关12和高频天线开关13均为SP7T(Single-Pole Seven-Throw)天线开关，WiFi天线开关14为SP1T(Single-Pole One-Throw)天线开关。
可选地，低频天线开关11、中频天线开关12、高频天线开关13和WiFi天线开关14均设置为由移动产业处理器接口(MIPI，Mobile Industry Processor Interface)(图3中未示出)进行控制。
第一分路合路器21的频率范围包括与其连接的低频天线开关11和中频天线开关12的频率范围；第二分路合路器22的频率范围包括与其连接的高频天线开关13和WiFi天线开关14的频率范围。
需要说明的是，如图3所示的三载波天线，实现了通过移动通信高频段与WiFi通信频段共用一根天线，减少了三载波天线所需天线数量，这样节省了天线及其所需净空区所占空间，而增加的WiFi天线开关和第二分路合路器的总体积远小于节省出的体积，这样总体上减小了三载波天线的尺寸，从而降低了采用三载波天线的无线通信终端的尺寸，提高了无线通信终端的便携性且降低了无线通信终端的成本，进而提高了无线通信终端的用户体验。
图4(a)为本实用新型第四实施例中LTE三载波天线的组成结构示意图，如图4(a)所示，低频天线开关11和中频天线开关12设置在同一天线开关中，如图中第一天线开关芯片41，高频电线开关和WiFi天线开关14设置在同一天线开关中，如图中第二天线开关芯片42。其中，第一天线开关芯片41 和第二天线开关芯片42均为设置有MIPI接口的开关芯片。
图4(b)为本实用新型第四实施例中LTE三载波天线的第一应用场景，如图4(b)所示LTE三载波天线，在LTE频段1用于上、下行方向通信，LTE频段5和LTE频段7均用于下行方向通信的情况下，实现了三载波混合。图3中，LTE频段1的上、下行方向的通信信号和LTE频段5的下行方向通信信号经由第一分路合路器21连接到第一天线34，LTE频段7的下行方向通信信号和WiFi通信频段的上、下行方向的通信信号经由第二分路合路器22连接到第二天线35。在本实施例中，LTE频段7为2.5GHz～2.69GHz，WiFi频段为2.4GHz～2.4835GHz，为了避免这两个频段的相互干扰降低通信性能，LTE频段7的通信信号设置为连接到与该通信信号的频带对应的带通滤波器(图4(b)中未示出)，WiFi频段的通信信号设置为连接到与该通信信号的频带对应的带通滤波器(图4(b)中未示出)。
图4(c)为本实用新型第四实施例中LTE三载波天线的第二应用场景，如图4(c)所示LTE三载波天线，在LTE频段5用于上、下行方向通信，LTE频段1和LTE频段7均用于下行方向通信的情况下，实现了三载波混合。
图4(d)为本实用新型第四实施例中LTE三载波天线的第三应用场景，如图4(d)所示LTE三载波天线，在LTE频段7用于上、下行方向通信，LTE频段1和LTE频段5均用于下行方向通信的情况下，实现了三载波混合。
不难看出，高频天线开关13的LTE所有频段上行输出/下行输入端分别连接到与其上发送/接收的移动通信频段的通信信号的频带对应的多个带通滤波器，即上行输出端连接到与其上发送的移动通信频段的通信信号的频带对应的多个带通滤波器，下行输入端连接到与其上接收的移动通信频段的通信信号的频带对应的多个带通滤波器；WiFi天线开关14的上行输出端设置为连接到与其上发送的WiFi通信频段的通信信号的频带对应的带通滤波器，WiFi天线开关(14)的下行输入端设置为连接到与其上接收的WiFi通信频段的通信信号的频带对应的带通滤波器。
需要说明的是，在上述实施例中，一方面，由于LTE移动通信高频段与WiFi通信频段的频率范围比较接近，因此这两个频段可以共用一个第二天线35。另一方面，为了降低多个移动LTE通信高频段的通信信号与WiFi通信 频段的通信信号之间的干扰，按照不同LTE移动通信高频段与WiFi通信频段的接近程度由大到小的顺序，将多个LTE移动通信高频段的通信信号离WiFi通信频段的通信信号按照由远到近的方式连接到高频天线开关13，也就是说，与WiFi通信频段越接近的移动通信高频段的通信信号离WiFi通信频段的通信信号物理距离越大。
在实用新型的实施例中，三载波天线包括：用于移动终端通信低频段(如LTE移动通信低频段)的低频天线、用于移动终端通信中频段(如LTE移动通信中频段)的中频天线、以及用于移动终端高频段(如LTE移动通信高频段)和WiFi频段的复用天线和复用分路合路器，其中，
复用天线经由复用分路合路器在上行方向上分别发送移动通信高频段的通信信号和移动通信低频段的通信信号，在下行方向上分别接收移动通信高频段的通信信号和移动通信低频段的通信信号。
低频天线在上行方向上发送移动通信低频段的通信信号，在下行方向上接收移动通信低频段的通信信号；
中频天线在上行方向上发送移动通信中频段的通信信号，在下行方向上接收移动通信中频段的通信信号。
虽然本实用新型所揭露的实施方式如上所述，但所述的内容仅为便于理解本实用新型而采用的实施方式，并非用以限定本实用新型。
工业实用性
通过本实用新型实施例提供的技术方案，减少了无线通信终端中所需天线数量，相应减小了用于设置天线的空间尺寸，也随之降低了无线通信终端的尺寸，从而保证了无线通信终端尤其移动终端的便携性和用户体验。

Claims (12)

  1. 一种天线，包括用于第一频段和第二频段的复用天线，以及用于第一频段和第二频段的复用分路合路器，其中，
    所述复用天线设置为经由所述复用分路合路器在上行方向上发送第一频段的通信信号和第二频段的通信信号；以及
    所述复用天线设置为经由所述复用分路合路器在下行方向上接收第一频段的通信信号和第二频段的通信信号。
  2. 根据权利要求1所述的天线，所述天线还包括第一频段天线开关和第二频段天线开关，所述第一频段天线开关设置有一个或一个以上上行输出和/或下行输入端，所述第二频段天线开关设置有一个或一个以上上行输出和/或下行输入端，其中，
    所述复用天线设置为经由所述复用分路合路器连接到所述第一频段天线开关的上行输出和/或下行输入端，以及经由所述复用分路合路器连接到所述第二频段天线开关的上行输出和/或下行输入端；
    所述第一频段天线开关的上行输出端设置为发送所述第一频段的通信信号，所述第一频段天线开关的下行输入端设置为接收所述第一频段的通信信号；
    所述第二频段天线开关的上行输出端设置为发送所述第二频段的通信信号，所述第二频段天线开关的下行输入端设置为接收所述第二频段的通信信号。
  3. 根据权利要求1所述的天线，其中，所述第一频段为移动通信高频段，第二频段为WiFi通信频段。
  4. 一种三载波天线，包括用于移动通信中频段和移动通信低频段的第一天线(34)和第一分路合路器(21)、以及用于移动通信高频段和WiFi通信频段的第二天线(35)和第二分路合路器(22)，其中，
    所述第一天线(34)设置为经由所述第一分路合路器(21)在上行方向上发送移动通信低频段的通信信号和移动通信中频段的通信信号，在下行方向上接收移动通信低频段的通信信号和移动通信中频段的通信信号；
    所述第二天线(35)设置为经由所述第二分路合路器(22)在上行方向上发送移动通信高频段的通信信号和WiFi通信频段的通信信号，在下行方向上接收移动通信高频段的通信信号和WiFi通信频段的通信信号。
  5. 根据权利要求4所述的三载波天线，所述三载波天线还包括低频天线开关(11)、中频天线开关(12)、高频天线开关(13)、WiFi天线开关(14)，其中，
    所述第一天线(34)设置为经由所述第一分路合路器(21)连接到所述低频天线开关(11)的下行输入端和上行输出端，以及经由所述第一分路合路器(21)连接到所述中频天线开关(12)的下行输入端和上行输出端；
    所述第二天线(35)设置为经由所述第二分路合路器(22)连接到所述高频天线开关(13)的下行输入端和上行输出端，以及经由所述第二分路合路器(22)连接到所述WiFi天线开关(14)下行输入端和上行输出端。
  6. 根据权利要求5所述的三载波天线，其中，所述低频天线开关(11)、中频天线开关(12)和高频天线开关(13)分别包括两个或两个以上上行输出端，以及两个或两个以上下行输入端；其中，
    所述低频天线开关(11)的上行输出端设置为发送所述移动通信低频段的通信信号，所述低频天线开关(11)的下行输入端设置为接收所述移动通信低频段的通信信号；
    所述中频天线开关(12)的上行输出端设置为发送所述移动通信中频段的通信信号，所述中频天线开关(12)的下行输入端设置为接收所述移动通信中频段的通信信号；
    所述高频天线开关(13)的上行输出端设置为发送所述移动通信高频段的通信信号，所述高频天线开关(13)的下行输入端设置为接收所述移动通信高频段的通信信号。
  7. 根据权利要求5所述的三载波天线，其中，所述WiFi天线开关(14)的上行输出端设置为接收WiFi通信频段的通信信号，所述WiFi天线开关(14)的下行输入端设置为发送WiFi通信频段的通信信号，所述上行输出端和下行输入端时分复用相同的端口。
  8. 根据权利要求5所述的三载波天线，其中，所述低频天线开关(11)、中频天线开关(12)、高频天线开关(13)和WiFi天线开关(14)均由移动产业处理器接口MIPI控制。
  9. 根据权利要求5～8任一项所述的三载波天线，其中，所述低频天线开关(11)和中频天线开关(12)设置在同一天线开关中。
  10. 根据权利要求5～8任一项所述的三载波天线，其中，所述高频电线开关和WiFi天线开关(14)设置在同一天线开关中。
  11. 根据权利要求5～8任一项所述的三载波天线，其中，所述高频天线开关(13)的上行输出端设置为连接到与其上发送的移动通信频段的通信信号的频带对应的带通滤波器，所述高频天线开关(13)的下行输入端设置为连接到与其上接收的移动通信频段的通信信号的频带对应的带通滤波器；
    所述WiFi天线开关(14)的上行输出端设置为连接到与其上发送的WiFi通信频段的通信信号的频带对应的带通滤波器，所述WiFi天线开关(14)的下行输入端设置为连接到与其上接收的WiFi通信频段的通信信号的频带对应的带通滤波器。
  12. 一种三载波天线，包括用于移动终端通信低频段的低频天线、用于移动终端通信中频段的中频天线和如权利要求1-3中任一项所述的天线，其中，
    所述低频天线设置为在上行方向上发送移动通信低频段的通信信号，在下行方向上接收移动通信低频段的通信信号；
    所述中频天线设置为在上行方向上发送移动通信中频段的通信信号，在下行方向上接收移动通信中频段的通信信号。
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