WO2021051674A1 - Connecteur d'expansion multimode et système de micro-station de base multimode - Google Patents

Connecteur d'expansion multimode et système de micro-station de base multimode Download PDF

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Publication number
WO2021051674A1
WO2021051674A1 PCT/CN2019/124690 CN2019124690W WO2021051674A1 WO 2021051674 A1 WO2021051674 A1 WO 2021051674A1 CN 2019124690 W CN2019124690 W CN 2019124690W WO 2021051674 A1 WO2021051674 A1 WO 2021051674A1
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WIPO (PCT)
Prior art keywords
interface
expansion
module
main control
control module
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PCT/CN2019/124690
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English (en)
Chinese (zh)
Inventor
张东闯
颜然
何先贵
梁汉钊
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京信通信系统（中国）有限公司
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Publication of WO2021051674A1 publication Critical patent/WO2021051674A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • 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
    • H04W88/08—Access point devices

Definitions

  • This application relates to the field of communication technology, and in particular to a multi-mode extension connector and a multi-mode micro base station system.
  • macro base stations are used for communication during communication, which has large capacity, wide coverage and relatively large volume, precisely because The size of the macro base station is relatively large, so there will be certain limitations in the location selection of the macro base station, which also causes some areas of the macro base station to be unable to cover, and coverage blind areas occur, which leads to the problem of poor communication quality.
  • the micro base station In order to solve the problem of the coverage blind area of the macro base station, most technologies now use the micro base station to cover the blind area of the macro base station.
  • the micro base station is small in size, does not require a computer room, and is more convenient to install. Therefore, it is more and more widely used.
  • the base station can be installed near the antenna, such as the top of the tower and the roof of the house, and the transmit signal is directly connected to the antenna end with a jumper, and the communication between the terminal and the base station can be realized.
  • micro base stations for communication which is usually a single-mode communication method, which is difficult to meet the communication requirements of users for services in multiple different modes.
  • a multi-mode expansion connector comprising: a first interface and at least one second interface; the first interface is connected to a main control module, and the second interface is connected to an expansion module; the main control module and the expansion module are different Modal
  • the signal sent by the main control module is sent to the expansion module via the first interface and the second interface.
  • the multi-mode expansion connector includes a first expansion connector and a second expansion connector that are connected to each other, the first interface is arranged on the first expansion connector, and the second interface is arranged on the On the second expansion connector.
  • the first expansion connector is provided on the main control module, and the second expansion connector is provided on the expansion module.
  • the first expansion connector and the second expansion connector are detachably connected.
  • the above-mentioned first interface and the above-mentioned second interface both include: an extended network port signal interface and a synchronous input/output interface;
  • the aforementioned expansion network port signal interface is used for data communication between the aforementioned main control module and the aforementioned expansion module;
  • the synchronization input/output interface is used for system synchronization between the main control module and the expansion module.
  • the above-mentioned first interface and the above-mentioned second interface further include at least one of the following: a power interface, a status indication interface, an in-position detection signal interface, a reset interface, and a factory reset interface;
  • the above-mentioned main control module supplies power to the above-mentioned expansion module through the above-mentioned power interface
  • the above-mentioned main control module indicates the operating status of the above-mentioned expansion module through the above-mentioned status indication interface
  • the main control module indicates the presence status of the expansion module through the presence detection signal interface
  • the main control module instructs the expansion module to perform a local or global reset through the reset interface
  • the main control module instructs the expansion module to restore the factory settings through the factory reset interface.
  • a multi-mode micro base station system including: a main control module, an expansion module, and the above-mentioned multi-mode expansion connector;
  • the signal sent by the main control module is sent to the expansion module via the multi-mode expansion connector.
  • the main control module includes a first physical interface transceiver, and the expansion module includes a second physical interface transceiver; the first physical interface transceiver is connected to the first interface, and the second physical interface transmits and receives The device is connected to the above-mentioned second interface;
  • the first physical interface transceiver and the second physical interface transceiver are used to send, receive, download, and forward communication signals; the signal sent by the main control module is processed by the first physical interface transceiver and then sent to the multi-mode The expansion connector is then sent to the above-mentioned second physical interface transceiver.
  • the above-mentioned main control module further includes: a central processing unit, a baseband processor, a main control radio frequency unit, and peripheral equipment;
  • the central processor is connected to the first physical interface transceiver, the baseband processor, and the peripheral device, respectively, and the baseband processor is connected to the master radio frequency unit.
  • the expansion module further includes: a hardware processing unit and an expansion radio frequency unit; the hardware processing unit is respectively connected to the second physical interface transceiver and the expansion radio frequency unit.
  • the multi-mode extension connector includes a first interface and at least one second interface, the first interface is connected with the main control module, the second interface is connected with the expansion module, and the main control The module and the expansion module are in different modes.
  • the main control module communicates with the expansion module, the signal sent by the main control module is sent to the expansion module via the first interface and the second interface.
  • the integration and expansion between modules of multiple modalities can be realized, that is, the communication between multiple different modalities (or different modes) can be flexibly realized, so as to ensure that users have different The communication requirements of the business under the mode; in addition, the use of the multi-mode expansion connector to connect modules of multiple modalities does not need to integrate the modules of multiple modalities on one board, so it can improve the number of modules of multiple modalities.
  • the openness and flexibility of the inter-connection can also reduce the cost of the whole machine and the difficulty of installation, and save the cost of operation and maintenance.
  • FIG. 1 is a schematic diagram of the structure of a multi-mode expansion connector in an embodiment
  • Figure 2 is a schematic structural diagram of a multi-mode extension connector in another embodiment
  • Figure 3 is a schematic structural diagram of a multi-mode extension connector in another embodiment
  • FIG. 4 is a schematic diagram of the structure of a multi-mode expansion connector in another embodiment
  • Figure 5 is a schematic structural diagram of a main control module in another embodiment
  • Figure 6 is a schematic structural diagram of a GSM module in another embodiment
  • FIG. 7 is a schematic structural diagram of a WLAN module in another embodiment
  • FIG. 8 is a schematic structural diagram of a connection between an LTE module and a WLAN module in another embodiment
  • Fig. 9 is a schematic diagram of the structure of the connection between the LTE module and the GSM module in another embodiment.
  • the second physical interface transceiver The second physical interface transceiver.
  • micro base stations when micro base stations are used for communication coverage, generally micro base stations can be installed near the antenna, such as the top of a tower or a house.
  • the transmit signal is directly connected to the antenna end with a jumper, and the communication between the terminal and the base station can be realized.
  • the traditional technology uses micro base stations for communication, usually a single-mode communication method, which is difficult to meet the communication needs of users for services in multiple different modes.
  • the multi-mode extension connector and the multi-mode micro base station system provided in the embodiments of the present application aim to solve the above technical problems in the traditional technology.
  • Fig. 1 is a schematic structural diagram of a multi-mode expansion connector provided by an embodiment.
  • the multi-mode expansion connector 10 includes: a first interface 101 and at least one second interface, the first interface 101 is connected to the main control module 11, the second interface 102 is connected to the expansion module 12, and the main control module 11 and the expansion module 12 are in different modes.
  • the signal sent by the main control module is sent to the expansion module 12 via the first interface 101 and the second interface 102.
  • the number of the second interface 102 can be 1, 2, 3, 4, 5, etc., of course, it can also be a larger number, and the number here can be the same as the number of the expansion module 12.
  • the multi-mode expansion connector 10 here can simultaneously expand a plurality of expansion modules 12 different from the main control module 11, and can also separately expand each expansion module 12 different from the main control module 11.
  • the main control module 11 and the expansion module 12 have 5 different modal modules, namely LTE module, GSM module, WLAN module, ONU module, and OTT TV module, then any one of them is used as the main control module 11.
  • Corresponding other modules can be used as expansion module 12. It can be seen that there are 4 expansion modules 12 here, so there can be 4 second interfaces 102.
  • LTE Long Term Evolution
  • the LTE module can not only expand the GSM module, the WLAN module, the ONU module, and the OTT TV module 4 modules at the same time, but also can separately expand any one of the GSM module, the WLAN module, and the ONU module and the OTT TV module.
  • connection between the first interface 101 and the main control module 11 and the connection between the second interface 102 and the expansion module 12 may be a fixed connection or a detachable connection.
  • the fixed connection may be welding.
  • the detachable connection can be a flange connection, a bayonet connection, a threaded connection, a clip, a ferrule, an articulation, etc., of course, it can also be connected by a wire.
  • the material of the multi-mode expansion connector 10 may be the same material as the main control module 11 or the expansion module 12, or a different material, such as PC plastic, resin, or the like.
  • the multi-mode extension connector 10 here can be an integral device, which can be set on the main control module 11 or the extension module 12; of course, the multi-mode extension connector 10 here can also be composed of two types.
  • a device such as a connector formed by a first expansion connector and a second expansion connector, where the number of the first expansion connector or the second expansion connector here can be one or more, and the specific number can be based on the expansion module 12 and the number of the main control module 11.
  • the first expansion connector may be arranged on the main control module 11.
  • the second expansion connector is arranged on the expansion module 12, or the first expansion connector is arranged on the expansion module 12, and the second expansion connector is arranged on the main control module 11.
  • the second expansion connector is set independently of the main control module 11 and the expansion module 12, that is, exists as a separate device, which is not specifically limited in this embodiment.
  • the signal sent by the main control module 11 may first pass through the first interface 101, and then the first interface 101 is sent to the second interface 102, and finally by the first interface 101.
  • the second interface 102 is sent to the expansion module 12 to realize the communication between the main control module 11 and the expansion module 12.
  • the multi-mode expansion connector provided in this embodiment includes a first interface and at least one second interface; the first interface is connected to the main control module, the second interface is connected to the expansion module, and the main control module and the expansion module are different modules.
  • the main control module communicates with the expansion module, the signal sent by the main control module is sent to the expansion module via the first interface and the second interface.
  • the integration and expansion between modules of multiple modalities can be realized, that is, the communication between multiple different modalities (or different modes) can be flexibly realized, so as to ensure that users have different The communication requirements of the business under the mode; in addition, the use of the multi-mode expansion connector to connect modules of multiple modalities does not need to integrate the modules of multiple modalities on one board, so it can improve the number of modules of multiple modalities.
  • the openness and flexibility of the inter-connection can also reduce the cost of the whole machine and the difficulty of installation, and save the cost of operation and maintenance.
  • Fig. 2 is a schematic structural diagram of a multi-mode expansion connector provided by another embodiment.
  • the multi-mode expansion connector 10 includes a first expansion connector 103 and a second expansion connector 104 that are connected to each other.
  • the first interface 101 is provided on the first expansion connector 103
  • the second interface 102 is provided On the second expansion connector 104.
  • the number of the first expansion connector 103 can be one, of course, it can also be more than one.
  • the number of the second expansion connector 104 can be determined according to the number of the expansion modules 12, and it can be one or more.
  • the number of second interfaces 102 and the number of second expansion connectors 104 may be the same.
  • the first interface 101 is provided on the first expansion connector 103, and the main control module 11 and the first expansion connector 103 can be connected through the first interface 101.
  • the connection can be a detachable connection, a snap connection, Screw connection, etc.
  • the second interface 102 is provided on the second expansion connector 104.
  • the expansion module 12 and the second expansion connector 104 can be connected through the second interface 102.
  • connection can also be a detachable connection, or it can be a detachable connection. Snap connection, screw connection, etc.
  • first expansion connector 103 only the first interface 101 may be provided thereon, of course, other interfaces or components may also be provided.
  • second expansion connector 104 and only the first interface 101 may be provided thereon.
  • second interface 102 There is a second interface 102, and other interfaces or components can also be provided, which is not specifically limited in this embodiment.
  • the connection between the first expansion connector 103 and the second expansion connector 104 is detachable.
  • the detachable connection can be a snap connection, a bayonet connection, a screw connection, etc.; the material of the first expansion connector 103 and the second expansion connector 104 can also be plastic, resin material, etc., of course. It is another material.
  • the first expansion connector 103 may be provided on the main control module 11, and the second expansion connector 104 may be provided on the expansion module 12.
  • the expansion connector provided in this embodiment includes a first expansion connector and a second expansion connector that are connected to each other.
  • the first interface is arranged on the first expansion connector
  • the second interface is arranged on the second expansion connector.
  • Fig. 3 is a schematic structural diagram of a multi-mode expansion connector provided by another embodiment.
  • both may include: an expansion network port signal interface, a synchronous input/output interface, and the expansion network port signal interface is used for the main control module 11 performs data communication with the expansion module 12, and the synchronization input/output interface is used for system synchronization between the main control module 11 and the expansion module 12.
  • the extended network port signal interface and the synchronous input/output interface you can configure the functions, communication protocols, communication methods and other related information of each interface in advance. For example, you can configure the expansion network port signal interface. When configuring, you can configure it to use TCP/IP Ethernet for communication. For the synchronization function of the synchronous input/output interface, it can be realized between the main control module 11 and the expansion module 12. Clock synchronization.
  • the first interface 101 and the second interface 102 of the multi-mode expansion connector 10 may also include at least one of the following: a power interface, a status indication interface, an in-position detection signal interface, and a reset interface , Restore factory settings interface; the main control module 11 supplies power to the expansion module 12 through the power interface; the main control module 11 indicates the operating status of the expansion module 12 through the status indication interface; the main control module 11 indicates the expansion module 12 through the presence detection signal interface In position; the main control module 11 instructs the expansion module 12 to perform a local or global reset through the reset interface; the main control module 11 instructs the expansion module 12 to restore the factory settings through the factory reset interface.
  • these interfaces included in the first interface 101 and the second interface 102 can be the same, that is, a pair Appears, of course, it can be different, but if the interfaces included in the first interface 101 and the second interface 102 are not the same, then the main control module 11 corresponding to the first interface 101 cannot control the expansion module 12 through the interface included in the first interface 101 .
  • the interfaces included in the first interface 101 and the interfaces included in the second interface 102 are mainly used to enable the main control module 11 to control the expansion module 12 through these interfaces, so that the main control module 11 and the expansion module 12 Corresponding functions can be realized.
  • both the first interface and the second interface may include: an expansion network port signal interface, a synchronous input/output interface, and the expansion network port signal interface is used for data communication between the main control module and the expansion module ,
  • the synchronization input/output interface is used for system synchronization between the main control module and the expansion module.
  • the main control module and the expansion module can realize different modes of communication through the expansion network port signal interface. Data communication can also achieve system synchronization between different modes.
  • a multi-mode micro base station system which includes: a main control module 11, an expansion module 12, and the aforementioned multi-mode expansion connector 10; When the module 11 and the expansion module 12 communicate, the signal sent by the main control module 11 is sent to the expansion module 12 via the multi-mode expansion connector 10.
  • the main control module 11 may be a module including only one device, or a module including multiple devices.
  • the expansion module 12 may be a module including only one device, or may include multiple devices.
  • the module of the device; in actual use, the main control module 11 may include a module that is a plurality of devices, and the expansion module 12 is a module that includes one device.
  • the main control module 11 may include a module that is a device, and the expansion module 12 It is a module that includes multiple devices.
  • the main control module 11 and the expansion module 12 are both modules that include multiple devices.
  • the devices included in the main control module 11 and the expansion module 12 may correspond to each other. It may not be corresponding, which is not specifically limited in this embodiment.
  • the signal sent by the main control module 11 is first sent to the multimode extension connector 10, and after being forwarded by the multimode extension connector 10, it is sent to the extension module 12.
  • the multi-mode expansion connector 10 is connected to a main control module 11 and a plurality of expansion modules 12.
  • the main control module 11 can connect The sending signals are respectively sent to the multi-mode extension connector 10 connected to each extension module 12, and then sent from the multi-mode extension connector 10 to the corresponding extension module 12, so as to realize the connection between the main control module 11 and the multiple extension modules 12 Communicating at the same time.
  • the multi-mode micro base station system provided in this embodiment includes a main control module, an expansion module, and the above-mentioned multi-mode expansion connector; when the main control module communicates with the expansion module, the signal sent by the main control module is sent through the multi-mode expansion connector To the expansion module.
  • the multi-mode micro base station system can be used to achieve integration and expansion between modules of multiple modes, that is, flexible Realize the communication between a variety of different modes (or different modes), so as to ensure the user's communication requirements for the business in different modes; in addition, use the multi-mode expansion connector to connect modules of multiple modes, no need Integrating multi-modal modules on one board can improve the openness and flexibility of connections between multi-modal modules, and at the same time can reduce the cost and installation difficulty of the whole machine (multi-mode micro base station), and save Operation and maintenance costs.
  • Fig. 4 is a schematic structural diagram of a multi-mode micro base station system provided by another embodiment.
  • the main control module 11 in the system may include a first physical interface transceiver 110
  • the expansion module 12 includes a second physical interface transceiver 120
  • the first physical interface transceiver 110 is connected to the first interface 101
  • the second physical interface transceiver 120 is connected to the second interface 102.
  • the first physical interface transceiver 110 and the second physical interface transceiver 120 are used to send, receive, download, and forward communication signals, and the signals sent by the main control module 11 After being processed by the first physical interface transceiver 110, it is sent to the multi-mode expansion connector 10, and then sent to the second physical interface transceiver 120.
  • the first physical interface transceiver 110 and the second physical interface transceiver 120 may be PHY (Physical, physical) chips. In actual use, both the first physical interface transceiver 110 and the second physical interface transceiver 120 may be Configure them through their respective central processors. For example, the internal software of the two corresponding central processors can configure routing and bridging between the two to achieve external single IP (Internet Protocol Address) and intercommunication ( Mutual communication), of course, the sending, receiving, downloading and forwarding of communication signals can also be realized. Since the data channel between the main control module 11 and the expansion module 12 may be different, the first physical interface transceiver 110 and the first physical interface The two physical interface transceivers 120 can plan different channel data to a certain channel for intercommunication.
  • IP Internet Protocol Address
  • intercommunication Mutual communication
  • the signal sent by the main control module 11 is processed by the first physical interface transceiver 110 to obtain an interoperable signal, and the interoperable signal is passed through the multimode expansion connector 10 is sent to the second physical interface transceiver 120 to implement signal intercommunication between the main control module 11 and the expansion module 12.
  • the above-mentioned main control module 11 may further include: a central processing unit, a baseband processor, a main control radio frequency unit, and peripheral equipment; the above-mentioned central processing unit is respectively connected to the above-mentioned first physical interface transceiver 110
  • the above-mentioned baseband processor and the above-mentioned peripheral equipment are connected, and the above-mentioned baseband processor and the above-mentioned main control radio frequency unit are connected.
  • connection between the central processing unit and the first physical interface transceiver 110, the baseband processor, and peripheral devices may generally be electrical connections, and the connection between the baseband processor and the master radio frequency unit may generally also be electrical connections.
  • the connection can be, for example, a wire or cable.
  • the central processing unit is used to establish a network connection between the mobile user terminal and the multi-mode micro base station system.
  • the main control module 11 in the multi-mode micro base station system sends The signal is first processed by the first physical interface transceiver, and then the processed physical signal is processed by the communication mode signal, that is, the physical signal is converted into a radio frequency signal, and the radio frequency signal is transmitted to the baseband processor, or the mobile user
  • the central processing unit here may be a BCM61735 chip, of course, it may also be other chips.
  • the baseband processor is used to complete the conversion of the radio frequency signal and the baseband signal, the analog-to-digital conversion (AD) of the communication signal, and the digital-to-analog conversion (DA) of the communication signal. Finally, the radio frequency local oscillator signal is superimposed and sent to the air interface to realize the signal transmission. It should be noted that this is both for uplink and downlink signals, and it is also possible for dual channels.
  • the baseband processor here can be the BCM61297 chip, of course, it can also be other chips.
  • the radio frequency module is used to assist the data transmission and reception of radio frequency signals and optimize the transmission quality of communication data.
  • the radio frequency module can be composed of radio frequency circuits, which include listening links, uplink and downlink links, and control channels.
  • Peripheral devices can include memory, clock circuits, power circuits, etc., among which, the memory includes DDR (Double Data Rate, double-rate synchronous dynamic random access memory) and NAND Flash (NAND flash). DDR is used to store data and NAND Flash is used. For buffering data; the clock circuit is used to provide clock signals for the multi-mode micro base station system, and the power circuit is used to power the entire multi-mode micro base station system.
  • DDR Double Data Rate, double-rate synchronous dynamic random access memory
  • NAND Flash NAND Flash
  • DDR Double Data Rate, double-rate synchronous dynamic random access memory
  • NAND Flash NAND Flash
  • DDR Double Data Rate, double-rate synchronous dynamic random access memory
  • NAND Flash NAND Flash
  • the clock circuit is used to provide clock signals for the multi-mode micro base station system
  • the power circuit is used to power the entire multi-mode micro base station system.
  • the aforementioned expansion module 12 may further include: a hardware processing unit and an expansion radio frequency unit; the aforementioned hardware processing unit is respectively connected to the aforementioned second physical interface transceiver and the aforementioned expansion radio frequency unit.
  • the hardware processing unit is used to implement data processing of communication signals
  • the extended radio frequency unit is used to complete signal reception and transmission from the baseband signal to the air interface.
  • the connection between the hardware processing unit and the second physical interface transceiver and the extended radio frequency unit may be an electrical connection, for example, a wire or cable.
  • the expansion GSM module includes: a multi-mode expansion connector, a second physical interface transceiver, a hardware unit part, and a radio frequency unit part;
  • the interfaces of the modular expansion connector are the same as those of the multi-mode expansion connector 10 described above.
  • the hardware unit mainly includes: processor and programmable logic device, processor, used to complete OAM (operation management and maintenance), upper-layer service processing, uplink channel estimation, channel equalization and demodulation demapping, downlink channel coding, physical channel mapping and modulation , Baseband data processing and listening synchronization control functions; programmable logic devices, used to achieve interface conversion with DA/AD and DDU/DUC processing, and can also be used in conjunction with the processor to achieve clock synchronization function, the processor and The programmable logic devices can be electrically connected for baseband data transmission, which can be FPGA, CPLD, etc.; the radio frequency unit includes a radio frequency module and a radio frequency transceiver to complete the signal reception and transmission from the baseband signal to the air interface.
  • OAM operation management and maintenance
  • upper-layer service processing uplink channel estimation, channel equalization and demodulation demapping, downlink channel coding, physical channel mapping and modulation , Baseband data processing and listening synchronization control functions
  • programmable logic devices used to achieve interface
  • the expansion WLAN module includes: a multi-mode expansion connector, a processor and other peripheral equipment, a radio frequency unit, and other peripheral equipment includes a memory and DDR, crystal oscillator Etc., the radio frequency unit may be WIFI, etc., and the functions of each unit are basically similar to those of the above-mentioned GSM module, which will not be repeated here.
  • the main control module in the system may include a first physical interface transceiver, the expansion module includes a second physical interface transceiver, and the first physical interface transceiver is connected to the first interface.
  • Two physical interface transceivers are connected to the second interface, the first physical interface transceiver and the second physical interface transceiver are used to send, receive, download, and forward communication signals, and the signals sent by the main control module pass through the first physical interface transceiver After processing, it is sent to the multi-mode expansion connector, and then sent to the second physical interface transceiver. Since the system includes a physical interface transceiver, the multi-mode micro base station can allow any data from modules of different modalities to communicate, that is, the flexibility and openness of communication are increased.
  • the multi-mode expansion connector itself can be integrated in the main control module, or can exist independently, the existence of the multi-mode expansion connector does not affect the internal work flow of the main control module.
  • the multi-mode expansion connector can be installed or left unoccupied.
  • the LTE module and the WLAN module are connected through the multi-mode extension connector.
  • the connection relationship can be shown in Figure 8.
  • the extension power interface of the multi-mode extension connector the total power supply from the LTE module to the power supply of the WLAN module is realized Connect, the power supply module of the WLAN partly converts to the power supply voltage required by other branches to supply power to the entire WLAN module;
  • the central processing unit can identify and detect the presence of the expansion WLAN module Status, trigger the next work process according to the recognition result; connect the operating status of the extension module to the LTE module through the status indicator interface of the multi-mode extension connector, and drive the operating status indicator of the corresponding WLAN module; because the WLAN module does not involve a clock And other forms of synchronization, so the synchronization input/output interface of the multi-mode expansion connector can be left empty;
  • the LTE module and the expansion WLAN module can communicate with each other, and then realize their respective communication functions;
  • connection relationship can be shown in Figure 9.
  • the power supply from the LTE module to the GSM module is realized through the extension power interface of the multi-mode extension connector.
  • the power module part of the GSM module converts the power supply voltage required by other branches to supply power to the entire GSM module; the presence detection interface of the multi-mode extension connector enables the central processing unit to identify and detect the presence of the extended GSM module.
  • the synchronous input/output interface of the LTE module can realize the synchronization of the LTE module and the GSM module. It can support clock synchronization, 1588V2 synchronization, 1588ACR synchronization, and GPS synchronization in equal synchronization methods, and you can freely choose the LTE module as the master clock or GSM according to your needs.
  • the module is used as the master clock to realize the synchronization of the entire system; through the expansion network port interface of the multi-mode expansion connector to realize the mutual communication between the LTE module and the expansion GSM module, and then realize their respective communication functions; through the reset interface of the multi-mode expansion connector Realize local or global reset of LTE module and extended GSM module.
  • multi-mode expansion interface connectors ONU modules, OTT TVs and other modules can also be expanded, and multi-mode expansion connectors can also be connected in series to achieve three-mode, four-mode, five-mode, etc.
  • the business unit module distinguishes the different hardware addresses of each business unit to distinguish different business types to meet the different business needs of different users.

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  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un connecteur d'expansion multimode (10) et un système de micro-station de base multimode. Le connecteur d'expansion multimode (10) comprend : une première interface (101) et au moins une deuxième interface (102) ; la première interface (101) est reliée à un module de commande principal (11), et la seconde interface (102) est reliée à un module d'expansion (12) ; le module de commande principal (11) et le module d'extension (12) sont dans des états de mode différents ; lorsque le module de commande principal (11) communique avec le module d'extension (12), un signal envoyé par le module de commande principal (11) est envoyé au module d'extension (12) au moyen de la première interface (101) et de la seconde interface (102). Par l'adoption du connecteur d'extension multimode (10), l'intégration et l'extension de modules d'états de mode multiples peuvent être réalisées, à savoir que la communication entre plusieurs états de mode différents (différents modes) peut être réalisée de manière flexible, assurant ainsi les besoins de communication d'un utilisateur sur des services dans différents modes.
PCT/CN2019/124690 2019-09-20 2019-12-11 Connecteur d'expansion multimode et système de micro-station de base multimode WO2021051674A1 (fr)

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