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WO2016187747A1 - Dispositif et circuit de communication à antenne multiplex - Google Patents

Dispositif et circuit de communication à antenne multiplex Download PDF

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Publication number
WO2016187747A1
WO2016187747A1 PCT/CN2015/079560 CN2015079560W WO2016187747A1 WO 2016187747 A1 WO2016187747 A1 WO 2016187747A1 CN 2015079560 W CN2015079560 W CN 2015079560W WO 2016187747 A1 WO2016187747 A1 WO 2016187747A1
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WO
WIPO (PCT)
Prior art keywords
circuit
communication system
switching sub
sub
antenna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2015/079560
Other languages
English (en)
Chinese (zh)
Inventor
袁伶华
陈志君
屠东兴
林映辰
杨丽萍
宋超迪
孙尚帮
耿协全
郑章基
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201580027012.6A priority Critical patent/CN106465467B/zh
Priority to PCT/CN2015/079560 priority patent/WO2016187747A1/fr
Publication of WO2016187747A1 publication Critical patent/WO2016187747A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an apparatus and a communication circuit having a multiplexed antenna.
  • a mobile phone having a dual card dual standby communication mode usually requires four antennas: a secondary card global mobile communication system (English: Global System for Mobile Communication, abbreviation: GSM) Antenna, primary card code division multiple access communication system (English: Code Division Multiple Access, abbreviation: CDMA) antenna, main card B26 main set antenna, main card B26 diversity antenna.
  • GSM Global System for Mobile Communication
  • CDMA Code Division Multiple Access
  • main card B26 main set antenna main card B26 diversity antenna.
  • four antennas are placed in the phone, as shown in Figure 1.
  • adding one more antenna means that one antenna space needs to be occupied in the terminal device, which will increase the size of the terminal device, which is unacceptable for some terminal devices that require portable, thin and beautiful.
  • new terminal devices especially terminal devices with metal casings, it is extremely difficult to have more antenna space and to design one antenna.
  • one antenna is configured for use in two different communication mode systems by means of time division multiplexing, so that no additional antenna can be added, for example, the system shown in FIG.
  • the GSM priority of the bearer voice service is usually higher than that of the B26 carrying the data service, and the single-pole double-throw switch 1 is required (English: Single) Pole Double The control of Throw, abbreviated: SPDT) is given to the secondary card GSM.
  • SPDT Single-pole Double-throw switch 1
  • SPDT Single-pole Double-throw switch 1
  • SPDT Single-pole Double The control of Throw
  • the technical problem to be solved by the present invention is to provide a device and a communication circuit having a multiplexed antenna, which can flexibly allocate antenna resources, improve system performance, and avoid waste of antenna resources.
  • a first aspect of the present invention provides an apparatus having a multiplexed antenna, the apparatus comprising: a control circuit and a communication circuit, the communication circuit including a first communication system circuit, a second communication system circuit, and a third communication having different communication protocols a system circuit, configured to implement a first antenna and a second antenna for interactive transmission of data between the base station and the communication system, and a first switching sub-circuit, a second switching sub-circuit, and a third switching sub-circuit; the first antenna and the first a control terminal connection of the switching sub-circuit, the second antenna is connected to a control end of the third switching sub-circuit, and the two connecting ends of the first switching sub-circuit are respectively connected to the first communication system circuit and the second switching sub-circuit a control terminal connection, wherein the two connection ends of the third switching sub-circuit are respectively connected to the control end of the third communication system circuit and the second switching sub-circuit, and the connection end of the second switching sub-circuit and the second communication a system circuit connection; the
  • the second communications system circuit includes a first sub-communication system circuit and a second sub-communication system circuit, where the first and third switching sub-circuits are single-pole a double-throw switch circuit, the second switch sub-circuit is a double-pole double-throw switch circuit; a control end of the first switch sub-circuit is connected to the first antenna, and a first connection end of the first switch sub-circuit and the first a communication system circuit is connected, the second connection end of the first switching sub-circuit is connected to the first control end of the second switching sub-circuit; the second control end of the second switching sub-circuit and the third switching sub-circuit a first connection end of the second switching sub-circuit is connected to the first sub-communication system circuit, and a second connection end of the second switching sub-circuit is connected to the second sub-communication system circuit; The control end of the switching sub-circuit is connected to the second antenna, and the second connection end of the third switching sub
  • the second communication system circuit includes a first sub-communication system circuit and a second sub-communication system circuit, where the first and third switching sub-circuits are single-pole a double-throw switch circuit;
  • the second switch sub-circuit includes a first switch circuit and a second switch circuit, the first switch circuit and the second switch circuit are single-pole double-throw switch circuits; a control end of the first switch sub-circuit and the first antenna Connecting, the first connection end of the first switching sub-circuit is connected to the first communication system circuit, and the second connection end of the first switching sub-circuit is connected to the control end of the first switching circuit;
  • the third switching sub-circuit The control terminal is connected to the second antenna, and the first connection end of the third switching sub-circuit is connected to the third communication system circuit, and the second connection end of the third switching sub-circuit and the first connection of the second switching circuit a first connection end of the first switch circuit is connected to the first sub-communication system, and
  • the first communication system circuit is a global mobile GSM communication system, and the second communication system circuit is a long-term evolution LTE
  • the communication system, the third communication system circuit is a code division multiple access CDMA communication system; the first sub communication system circuit is a B26 main set subsystem, and the second sub communication system circuit is a B26 diversity subsystem.
  • the first, second, and third switching sub-circuits are single-pole double-throw switching circuits; the control end of the first switching sub-circuit and the first The first connection end of the first switching sub-circuit is connected to the first communication system circuit, and the second connection end of the first switching sub-circuit is connected to the first connection end of the second switching sub-circuit; The control end of the second switching sub-circuit is connected to the second communication system circuit, and the second connection end of the second switching sub-circuit is connected to the first connection end of the third switching sub-circuit; the control end of the third switching sub-circuit Connected to the second antenna, the second connection end of the third switching sub-circuit is connected to the third communication system circuit.
  • the first communication system circuit is a global mobile GSM communication system
  • the second communication system circuit is a long-term evolution LTE A communication system
  • the third communication system circuit being a code division multiple access CDMA communication system.
  • the control circuit presets a logic control signal, and sends the logic control signal according to a current communication mode of the device to
  • the first, second, and third switching sub-circuits control the control end of the first, second, and third switching sub-circuits to be connected to the corresponding connecting end through the corresponding universal input/output GPIO interface, so that the first antenna or the second antenna It is assigned to the communication system circuit corresponding to the current communication mode of the device.
  • control circuit presets the first according to a communication protocol of the first, second, and third communication system circuits
  • the second, third, and third communication system circuits use the priority level of the first antenna or the second antenna to set the logic control signal.
  • a second aspect of the present invention provides a communication circuit having a multiplexed antenna, the communication circuit including a first communication system circuit, a second communication system circuit, and a third communication system circuit having different communication protocols, and a first antenna and a second antenna of the communication system circuit data, and a first switching sub-circuit, a second switching sub-circuit, and a third switching sub-circuit;
  • the first antenna is connected to the control end of the first switching sub-circuit
  • the second antenna is connected to the control end of the third switching sub-circuit, and the two connecting ends of the first switching sub-circuit are respectively connected to the control ends of the first communication system circuit and the second switching sub-circuit, the third Two connection ends of the switching sub-circuit are respectively connected to the control ends of the third communication system circuit and the second switching sub-circuit, the connection end of the second switching sub-circuit is connected to the second communication system circuit; and the first The second or third switching sub-circuit is responsive to a controller that connects the control end to the corresponding connection
  • the second communications system circuit includes a first sub-communication system circuit and a second sub-communication system circuit, where the first and third switching sub-circuits are single-pole a double-throw switch circuit, the second switch sub-circuit is a double-pole double-throw switch circuit; a control end of the first switch sub-circuit is connected to the first antenna, and a first connection end of the first switch sub-circuit and the first a communication system circuit is connected, the second connection end of the first switching sub-circuit is connected to the first control end of the second switching sub-circuit; the second control end of the second switching sub-circuit and the third switching sub-circuit a first connection end of the second switching sub-circuit is connected to the first sub-communication system circuit, and a second connection end of the second switching sub-circuit is connected to the second sub-communication system circuit; The control end of the switching sub-circuit is connected to the second antenna, and the second connection end of the third switching sub
  • the second communication system circuit includes a first sub-communication system circuit and a second sub-communication system circuit, where the first and third switching sub-circuits are single-pole a double-throw switch circuit;
  • the second switch sub-circuit includes a first switch circuit and a second switch circuit, the first switch circuit and the second switch circuit are single-pole double-throw switch circuits; a control end of the first switch sub-circuit and the first antenna Connecting, the first connection end of the first switching sub-circuit is connected to the first communication system circuit, and the second connection end of the first switching sub-circuit is connected to the control end of the first switching circuit;
  • the third switching sub-circuit The control terminal is connected to the second antenna, and the first connection end of the third switching sub-circuit is connected to the third communication system circuit, and the second connection end of the third switching sub-circuit and the first connection of the second switching circuit a first connection end of the first switch circuit is connected to the first sub-communication system, and
  • the first communication system circuit is a global mobile GSM communication system, and the second communication system circuit is a long-term evolution LTE
  • the communication system, the third communication system circuit is a code division multiple access CDMA communication system; the first sub communication system circuit is a B26 main set subsystem, and the second sub communication system circuit is a B26 diversity subsystem.
  • the first, second, and third switching sub-circuits are single-pole double-throw switching circuits; the control end of the first switching sub-circuit and the first The first connection end of the first switching sub-circuit is connected to the first communication system circuit, and the second connection end of the first switching sub-circuit is connected to the first connection end of the second switching sub-circuit; The control end of the second switching sub-circuit is connected to the second communication system circuit, and the second connection end of the second switching sub-circuit is connected to the first connection end of the third switching sub-circuit; the control end of the third switching sub-circuit Connected to the second antenna, the second connection end of the third switching sub-circuit is connected to the third communication system circuit.
  • the first communication system circuit is a global mobile GSM communication system
  • the second communication system circuit is a long-term evolution LTE A communication system
  • the third communication system circuit being a code division multiple access CDMA communication system.
  • the first antenna is selectively connected to the first communication system circuit and the second switching sub-circuit through the first switching sub-circuit, and the second antenna passes the
  • the third switching sub-circuit is selectively connected to the third communication system circuit and the second switching sub-circuit, and the second switching sub-circuit is further connected to the second communication system circuit, and the control circuit controls the first, second, and third according to the current communication mode of the device.
  • the switching sub-circuit is such that the first antenna or the second antenna is allocated to the communication system circuit corresponding to the current communication mode of the device, thereby realizing flexible allocation of the multiplexed antenna resources to improve the circuit performance of the communication system.
  • FIG. 1 is a circuit diagram of a device having multiple antennas in the prior art
  • FIG. 2 is a circuit diagram of a device having a time division multiplexed antenna in the prior art
  • FIG. 3 is a circuit diagram of an apparatus having a multiplexed antenna in a first embodiment of the present invention
  • FIG. 4 is a timing diagram of an antenna signal obtained by the apparatus having the multiplexed antenna shown in FIG. 3;
  • Figure 5 is a circuit diagram of an apparatus having a multiplexed antenna in a second embodiment of the present invention.
  • Fig. 6 is a circuit diagram of an apparatus having a multiplexed antenna in a third embodiment of the present invention.
  • FIG. 3 is a circuit diagram of an apparatus having a multiplexed antenna according to a first embodiment of the present invention.
  • the device 300 includes a control circuit 301 and a communication circuit 302, wherein the communication circuit 302 includes a first communication system circuit 303, a second communication system circuit 304, and a third communication system circuit 305 having different communication protocols.
  • the first communication system circuit 303, the second communication system circuit 304, and the third communication system circuit 305 are connected to the control circuit 301 via a communication protocol interface.
  • the communication circuit 302 further includes a first antenna 306, a second antenna 307, a first switching sub-circuit 308, a second switching sub-circuit 309, and a third switching sub-circuit 310.
  • the first antenna 306 is connected to the control end of the first switching sub-circuit 308, and the second antenna 307 is connected to the control end of the third switching sub-circuit 310.
  • the two connecting ends of the first switching sub-circuit 308 Connected to the control ends of the first communication system circuit 303 and the second switching sub-circuit 309, respectively, the two connection ends of the third switching sub-circuit 310 and the third communication system circuit 305 and the second switching sub-circuit respectively
  • the control terminal of 309 is connected, and the connection end of the second switching sub-circuit 309 is connected to the second communication system circuit 304.
  • the first antenna 306 and the second antenna 307 are used for data interaction transmission with the communication base station, and when the first communication system circuit 303, the second communication system circuit 304 or the third communication system circuit 305 is coupled to the first antenna 306 and the second antenna
  • the device 300 is enabled to perform data communication transmission with the communication base station through the connected antenna based on a protocol corresponding to the communication system circuit, thereby implementing a communication function.
  • the first communication system circuit 303 is a GSM communication system circuit and is connected to the first antenna 106
  • the device 300 communicates with the base station based on the GSM protocol.
  • the second switching sub-circuit 309 is directly connected to the second communication system circuit 304 to be turned on.
  • the third switching sub-circuit 310 is electrically connected to the second switching sub-circuit 309, the second switching sub-circuit 309 is cross-connected with the second communication system circuit 304 to be turned on.
  • the control circuit 301 controls the first switching sub-circuit 308, the second switching sub-circuit 309, and the third switching sub-circuit 310 according to the current communication mode of the device 300, so that the first antenna 306 or the second antenna 307 is assigned to the device 300.
  • the current communication mode corresponds to the communication system circuit used.
  • the first communication system circuit 303 is a GSM communication system circuit
  • the second communication system circuit 304 is a long-term evolution communication communication system circuit (English: Long Term Evolution, abbreviation: LTE)
  • the third communication system circuit 305 is a CDMA communication system circuit.
  • the second communication system circuit 304 includes a B26 primary set sub-communication system circuit 304a and a B26 diversity sub-communication system circuit 304b.
  • first switching sub-circuit 308 and the third switching sub-circuit 310 are single-pole double-throw switching circuits
  • the second switching sub-circuit 309 is a double-pole double-throw switching circuit.
  • the first switching sub-circuit 308 includes a control end 308a, a first connection end 308b and a second connection end 308c.
  • the second switching sub-circuit 309 includes a first control end 309a, a second control end 309b, a first connection end 309c and a
  • the second connection terminal 309d includes a control terminal 310a, a first connection terminal 310b, and a second connection terminal 310c.
  • control end is a common end of the single-pole double-throw switch
  • connection end is a signal end of the single-pole double-throw switch or the double-pole double-throw switch.
  • control end 308a of the first switching sub-circuit 308 is connected to the first antenna 306, the first connection end 308b is connected to the first communication system circuit 303, and the first connection end 308c is connected to the first control sub-circuit. Terminal 309a is connected.
  • the second control terminal 309b of the second switching sub-circuit 309 is connected to the first connection terminal 310b of the third switching sub-circuit 310.
  • the first connection terminal 309c and the second connection terminal 309d are both connected to the second communication system circuit 304.
  • the first connection terminal 309c is connected to the B26 main set sub-communication system circuit 304a, and the second connection terminal 309d is connected to the B26 diversity sub-communication system circuit 304b.
  • the control terminal 301a of the third switching subcircuit 310 is connected to the second antenna 307, and the second connection terminal 310c is connected to the third communication system circuit 305.
  • the control circuit 301 is simultaneously connected to the control terminals of the first switching sub-circuit 308, the second switching sub-circuit 309, and the third switching sub-circuit 310.
  • the control circuit 301 can be a Modem or a CPU.
  • the control circuit 301 can also be a field editable gate array (English: Field-Programmable) Gate Array, abbreviation: FPGA) circuit.
  • the control circuit 301 presets a logic control signal, and sends a logic control signal to the first switching sub-circuit 308, the second switching sub-circuit 309, and the third switching sub-circuit 310 according to the current communication mode of the device 300 to pass the corresponding universal input.
  • the output GPIO interface controls the connection of the first switching sub-circuit 308, the second switching sub-circuit 309, and the third switching sub-circuit 310 with the first communication system circuit 303, the second communication system circuit 304, and the third communication system circuit 305, so that The first antenna 306 or the second antenna 307 is assigned for use by a communication system circuit corresponding to the current communication mode of the device 300.
  • control circuit 301 presets the first communication system circuit 303, the second communication system circuit 304, and the third according to the communication protocols of the first communication system circuit 303, the second communication system circuit 304, and the third communication system circuit 305.
  • the communication system circuit 305 uses the priority level of the first antenna or 306 second antenna 307 to set the corresponding logic control signal.
  • the communication communication system circuit in the device 300 is correspondingly configured such that the first communication system circuit 303 is a GSM system, the second communication system circuit 304 is an LTE system, and the third communication system circuit 305 is CDMA system.
  • the control circuit 301 presets the first communication system circuit 303, the second communication system circuit 304, and the third communication according to the communication protocols of the first communication system circuit 303, the second communication system circuit 304, and the third communication system circuit 305.
  • the priority level of the system circuit 305 using the first antenna 306 or the second antenna 307 is that the first communication system circuit 303 uses the first antenna 306 with a higher priority than the second communication system circuit 304, and the third communication system circuit 305 uses the second.
  • the priority of the antenna 307 is higher than that of the second communication system circuit 304.
  • the corresponding logical control signal is set: when the first communication system circuit 303 (GSM system) operates, the control terminal 308a of the first switching sub-circuit 308 and the first A connection end 308b is connected; when the first communication system circuit 303 is idle, the control end 308a of the first switching sub-circuit 308 is connected to the second connection end 308c, and the first control end 309a of the second switching sub-circuit 309 is connected to the first connection.
  • the terminal 309c is connected, and the second control terminal 309b of the second switching sub-circuit 309 is connected to the second connection terminal 309d, that is, a through connection.
  • the control terminal 310a of the third switching sub-circuit 310 is connected to the second connection terminal 310c; when the third communication system circuit 305 is idle, the control of the third switching sub-circuit 310
  • the terminal 310a is connected to the first connection terminal 310b
  • the second control terminal 309b of the second switching sub-circuit 309 is connected to the first connection terminal 309c
  • the first control terminal 309a of the second switching sub-circuit 309 is connected to the second connection terminal 309d. That is, cross-connect.
  • control circuit 301 outputs a logic control signal according to the communication system circuit currently operating by the device 300 to control the connection between the control terminal and the connection terminal of the three switching sub-circuits, so that the two antennas are allocated for use by the currently operating communication system circuit.
  • the antenna resources obtained by the second communication system circuit 304 are: when both the first communication system circuit 302 and the third communication system circuit 305 are idle, the first antenna 306 and the second antenna 307 are simultaneously obtained (at this time)
  • the requirement that the B26 primary set subsystem 304a and the B26 diversity subsystem 304b work simultaneously can be satisfied; when one of the first communication system circuit 303 or the third communication system circuit 305 is idle, the second antenna 307 or the first is obtained accordingly.
  • the antenna 306 (which can satisfy the requirement of one of the B26 main set sub-communication system circuit 304a and the B26 diversity sub-communication system circuit 304b); when the first communication system circuit 302 and the third communication system circuit 305 are both active, The antenna is not obtained (at this time, both the B26 main set subsystem 304a and the B26 diversity subsystem 304b do not work).
  • the second switching sub-circuit 309 performs antenna resource allocation as: when the first communication When the system circuit 303 operates to occupy the first antenna 306, the control circuit 301 controls the second control terminal 309b of the second switching sub-circuit 309 to be connected to the first connection terminal 309c, and the first control terminal 309a is connected to the second connection terminal 309d.
  • the control circuit 301 controls the first control terminal 309a of the second switching sub-circuit to be connected to the first connection terminal 309c, and the second communication control terminal 309b is connected to the second connection terminal 309d.
  • the B26 main set subsystem 304a of the second communication system circuit 304 obtains the antenna resources to the greatest extent: when the first communication system circuit 303 (GSM system) and the third communication system circuit 305 (CDMA system) are time-shifted, The B26 primary set subsystem 304a always has an allocatable antenna resource; when the first communication system circuit 303 (GSM system) and the third communication system circuit 305 (CDMA system) operate simultaneously, the B26 primary set sub-communication system circuit 304a has no
  • the allocated antenna resources inevitably appear to be "dropped", and the "pitch width" is the same as that of the first communication system circuit 303 (the GSM system occupies a shorter antenna time than the CDMA system) occupying the first antenna 306. This minimizes system losses.
  • the fifth is a circuit diagram of an apparatus having a multiplexed antenna according to a second embodiment of the present invention, which is different from the first embodiment in that the second switching sub-circuit 409 includes a first switching circuit 4091 and a first The second switch circuit 4092, and the first switch circuit 4091 and the second switch circuit 4092 are single-pole double-throw switch circuits.
  • the first switch circuit 4091 includes a common terminal 4091a, a first connection end 4091b, and a second connection end 4091c.
  • the second switch circuit 4092 includes a common terminal 4092a, a first connection end 4092b, and a second connection end 4092c.
  • the common end 408a of the first switching sub-circuit 408 is connected to the first antenna 406, the first connection end 408b is connected to the first communication system circuit 403, and the second connection end 408c is connected to the common end 4091a of the first switching circuit 4091. connection.
  • the common terminal 401a of the third switching sub-circuit 410 is connected to the second antenna 407, the first connection terminal 410b is connected to the second connection terminal 4092c of the second switch circuit 4092, and the second connection terminal 410c is connected to the third communication system circuit 405.
  • the first connection end 4091b of the first switch circuit 4091 is connected to the second communication system circuit 404, and the second connection end 4091c is connected to the first connection end 4092b of the second switch circuit 4092.
  • the common terminal 4092a of the second switch circuit 4092 is connected to the second communication system circuit 404.
  • the first connection end 4091b of the first switch circuit 4091 is connected to the B26 main set subsystem 404a, and the control end 4092a of the second switch circuit 4092 is connected to the B26 diversity subsystem 404b.
  • the control circuit 401 is connected to the control terminals 408a, 410a of the first switching sub-circuit 408 and the third switching sub-circuit 410, and is also connected to the control terminals 4091a, 4092a of the first switching circuit 4091 and the second switching circuit 4092.
  • the control circuit 401 transmits a preset logic control signal to the first switching sub-circuit 408, the second switching sub-circuit 409, and the third switching sub-circuit 410 according to the current communication mode of the device 400 to pass the corresponding general-purpose input/output GPIO.
  • the interface controls the connection of the first switching sub-circuit 408, the second switching sub-circuit 409, and the third switching sub-circuit 410 with the first communication system circuit 404, the second communication system circuit 404, and the third communication system circuit 405 to make the first antenna
  • the 406 or second antenna 407 is assigned for use by the communication system circuitry corresponding to the current mode of communication of the device 400.
  • the control circuit 401 controls the control terminal 408a of the first switching sub-circuit 408 to be connected to the first connection terminal 408b, so that the first antenna 406 is assigned to the first Communication system circuit 403 is used.
  • the control circuit 401 controls the control terminal 410a of the third switching sub-circuit 410 to be connected to the second connection terminal 410c, so that the second antenna 407 is allocated to the third communication system circuit. 405 use.
  • the control circuit 401 controls the control terminal 410a of the third switching sub-circuit 410 to be connected to the first connection terminal 410b.
  • the control terminal 4092a of the second switch circuit 4092 is controlled to be connected to the second connection terminal 4092c.
  • the control circuit 401 controls the control terminal 408a of the first switching sub-circuit 408 to be connected with the second connection terminal 408c, and controls the first
  • the control terminal 4091a of the switch circuit 4091 is connected to the second connection terminal 4091c, and controls the control terminal 4091a of the first switch circuit 4091 to be connected to the second connection terminal 4091cd, and controls the control terminal 4092a of the second switch circuit 4092 and the first connection terminal 4092b.
  • the first antenna 406 is assigned to the B26 diversity sub-communication system circuit 404b of the second communication system circuit 404.
  • the communication circuit 502 includes a first switching sub-circuit 508, a second switching sub-circuit 509, and a third switching sub-circuit 510.
  • the first switching sub-circuit 508, the second switching sub-circuit 509, and the third switching sub-circuit 510 are all single-pole double-throw switching circuits.
  • the first switching sub-circuit 508 includes a control terminal 508a, a first connection terminal 508b, and a second connection terminal 508c.
  • the second switching sub-circuit 509 includes a control terminal 509a, a first connection terminal 509b, and a second connection terminal 509c.
  • the sub-circuit 510 includes a control terminal 510a, a first connection terminal 510b, and a second connection terminal 510c.
  • control terminal 508a of the first switching sub-circuit 508 is connected to the first antenna 506, the first connection terminal 508b is connected to the first communication system circuit 503, and the first connection terminal 508c is connected to the first connection of the second switching sub-circuit 509. Terminal 509b is connected.
  • the control terminal 509a of the second switching sub-circuit 509 is connected to the second communication system circuit 504, and the second connection terminal 509b is connected to the first connection terminal 510b of the third switching sub-circuit 510.
  • the control terminal 510a of the third switching sub-circuit 510 is connected to the second antenna 507, and the second connection terminal 510c is connected to the third communication system circuit 505.
  • the control circuit 501 is connected to the control terminals 508a, 509a, and 510a of the first switching sub-circuit 508, the second switching sub-circuit 509, and the third switching sub-circuit 510.
  • the control circuit 501 transmits a preset logic control signal to the first switching sub-circuit 508, the second switching sub-circuit 509, and the third switching sub-circuit 510 according to the current communication mode of the device 500 to pass the corresponding general-purpose input/output GPIO.
  • the interface controls the connection of the first switching sub-circuit 508, the second switching sub-circuit 509, and the third switching sub-circuit 510 with the first communication system circuit 505, the second communication system circuit 505, and the third communication system circuit 505 to make the first antenna
  • the 506 or second antenna 507 is assigned for use by the communication system circuitry corresponding to the current mode of communication of the device 500.
  • the control circuit 501 controls the control terminal 508a of the first switching sub-circuit 508 to be connected to the first connection terminal 508b, so that the first antenna 506 is assigned to the first Communication system circuit 503 is used.
  • the control circuit 501 controls the control terminal 510a of the third switching sub-circuit 510 to be connected to the second connection terminal 510c, so that the second antenna 507 is allocated to the third communication system circuit. 505 is used.
  • the control circuit 501 controls the control terminal 510a of the third switching sub-circuit 510 to be connected to the first connection end 510b.
  • the control terminal 509a that controls the second switching sub-circuit 509 is connected to the second connection terminal 509c such that the second antenna 507 is assigned to the second communication system circuit 505.
  • the control circuit 501 controls the control terminal 508a of the first switching sub-circuit 508 to be connected with the second connection terminal 508c to control the second.
  • the control terminal 509a of the switching sub-circuit 509 is connected to the first connection terminal 509b such that the first antenna 506 is assigned to the second communication system circuit 504.
  • the first antenna is passed through the first switching sub-circuit and the first communication system by setting first, second, and third switching sub-circuits in the communication circuit
  • the circuit and the second switching sub-circuit are selectively connected, the second antenna is selectively connected to the third communication system circuit and the second switching sub-circuit through the third switching sub-circuit, and the second switching sub-circuit is further connected to the second communication system circuit.
  • the control circuit controls the conduction path of the first, second, and third switching sub-circuits according to the current communication mode of the device, so that the first antenna or the second antenna is allocated to the communication system circuit corresponding to the current communication mode of the device, thereby realizing Flexible allocation of multiplexed antenna resources to improve system performance.

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  • Radio Transmission System (AREA)

Abstract

La présente invention concerne un dispositif et un circuit de communication ayant une antenne multiplex. Le dispositif comprend un circuit de commande et un circuit de communication, et le circuit de communication comprend un premier circuit de système de communication, un deuxième circuit de système de communication et un troisième circuit de système de communication ayant tous différents protocoles de communication, une première antenne et une seconde antenne, et un premier sous-circuit de transfert, un deuxième sous-circuit de transfert et un troisième sous-circuit de transfert. La première antenne est connectée de manière sélective au premier circuit de système de communication ou au deuxième sous-circuit de transfert par l'intermédiaire du premier sous-circuit de transfert. La seconde antenne est connectée de manière sélective au troisième circuit de système de communication ou au deuxième sous-circuit de transfert par l'intermédiaire du troisième sous-circuit de transfert. Le second sous-circuit de transfert est également connecté au second circuit de système de communication. Le circuit de commande régule, selon le mode de communication actuel du dispositif, le premier sous-circuit de transfert, le deuxième sous-circuit de transfert et le troisième sous-circuit de transfert, de telle sorte que la première antenne et la seconde antenne sont attribuées pour être utilisées par un circuit de système de communication correspondant au mode de communication actuel du dispositif. Avec la présente invention, des ressources d'antenne peuvent être attribuées de façon flexible, et une performance du circuit de système de communication peut être fournie.
PCT/CN2015/079560 2015-05-22 2015-05-22 Dispositif et circuit de communication à antenne multiplex Ceased WO2016187747A1 (fr)

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PCT/CN2015/079560 WO2016187747A1 (fr) 2015-05-22 2015-05-22 Dispositif et circuit de communication à antenne multiplex

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