CN110661147A - Multimode expansion connector and multimode micro base station system - Google Patents

Multimode expansion connector and multimode micro base station system Download PDF

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Publication number
CN110661147A
CN110661147A CN201910892710.2A CN201910892710A CN110661147A CN 110661147 A CN110661147 A CN 110661147A CN 201910892710 A CN201910892710 A CN 201910892710A CN 110661147 A CN110661147 A CN 110661147A
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China
Prior art keywords
interface
module
expansion
main control
control module
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CN201910892710.2A
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Chinese (zh)
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CN110661147B (en
Inventor
张东闯
颜然
何先贵
梁汉钊
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Comba Network Systems Co Ltd
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Comba Telecom Technology Guangzhou Ltd
Comba Telecom Systems China Ltd
Comba Telecom Systems Guangzhou Co Ltd
Tianjin Comba Telecom Systems Co Ltd
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Application filed by Comba Telecom Technology Guangzhou Ltd, Comba Telecom Systems China Ltd, Comba Telecom Systems Guangzhou Co Ltd, Tianjin Comba Telecom Systems Co Ltd filed Critical Comba Telecom Technology Guangzhou Ltd
Priority to CN201910892710.2A priority Critical patent/CN110661147B/en
Priority to PCT/CN2019/124690 priority patent/WO2021051674A1/en
Publication of CN110661147A publication Critical patent/CN110661147A/en
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Publication of CN110661147B publication Critical patent/CN110661147B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00Coupling parts supported only by co-operation with counterpart
    • H01R31/06Intermediate parts for linking two coupling parts, e.g. adapter
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices

Abstract

The application relates to a multimode expansion connector and a multimode micro base station system. The multimode expansion connector comprises: a first interface and at least one second interface; the first interface is connected with the main control module, and the second interface is connected with the expansion module; the main control module and the extension module are in different modes; when the main control module communicates with the expansion module, the signal sent by the main control module is sent to the expansion module through the first interface and the second interface. The multimode expansion connector can realize integration and expansion among modules in various modes, namely, can flexibly realize communication among various different modes (or different modes), thereby ensuring the communication requirements of users on services in different modes.

Description

Multimode expansion connector and multimode micro base station system
Technical Field
The present application relates to the field of communications technologies, and in particular, to a multimode expansion connector and a multimode micro base station system.
Background
With the continuous development of communication technology, the requirement on communication quality is higher and higher, generally, when communication is performed, macro base stations are mostly adopted for communication, the macro base stations are large in capacity, wide in coverage and relatively large in size, and due to the fact that the macro base stations are large in size, the macro base stations have certain limitations in site selection, coverage of macro base stations in some areas cannot be achieved, coverage dead zones occur, and therefore the problem of poor communication quality is caused.
In order to solve the problem of the coverage blind area of the macro base station, the micro base station is adopted to carry out signal coverage on the blind area of the macro base station in most of the prior art, the micro base station is small in size, does not need a machine room, and is convenient to install, so that the micro base station is more and more widely used, the general micro base station can be installed nearby an antenna, such as a tower top and a roof, a transmitting signal is directly connected to an antenna end through a jumper wire, and communication between a terminal and the base station can be realized.
However, the above-mentioned technology uses the micro base station for communication, which is usually a single-mode communication mode, and it is difficult to meet the communication requirements of users for services in various different modes.
Disclosure of Invention
In view of the above, it is necessary to provide a multimode expansion connector and a multimode micro base station system that can meet the service requirements of users in multiple different modes.
A multimode expansion connector comprising: a first interface and at least one second interface; the first interface is connected with the main control module, and the second interface is connected with the expansion module; the main control module and the extension module are in different modes;
when the main control module communicates with the expansion module, the signal sent by the main control module is sent to the expansion module through the first interface and the second interface.
In one embodiment, the multi-mode expansion connector includes a first expansion connector and a second expansion connector connected to each other, the first interface is disposed on the first expansion connector, and the second interface is disposed on the second expansion connector.
In one embodiment, the first expansion connector is disposed on the main control module, and the second expansion connector is disposed on the expansion module.
In one embodiment, the first expansion connector and the second expansion connector are detachably connected.
In one embodiment, the first interface and the second interface each include: an expanded network port signal interface and a synchronous input/output interface;
the expansion network port signal interface is used for data communication between the main control module and the expansion module;
the synchronous input/output interface is used for system synchronization between the main control module and the expansion module.
In one embodiment, the first interface and the second interface further include at least one of: the system comprises a power supply interface, a state indication interface, an on-site detection signal interface, a reset interface and a factory setting restoration interface;
the main control module supplies power to the expansion module through the power interface;
the main control module indicates the running state of the expansion module through the state indication interface;
the main control module indicates the on-position state of the expansion module through the on-position detection signal interface;
the main control module indicates the expansion module to carry out local or global reset through the reset interface;
and the main control module indicates the expansion module to restore factory settings through the factory-restoration setting interface.
A multimode micro base station system comprising: the system comprises a main control module, an expansion module and the multimode expansion connector;
when the main control module communicates with the expansion module, the signal sent by the main control module is sent to the expansion module through the multimode expansion connector.
In one embodiment, 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 with the first interface, and the second physical interface transceiver is connected with the second interface;
the first physical interface transceiver and the second physical interface transceiver are used for sending, receiving, downloading and forwarding communication signals; the signal sent by the main control module is processed by the first physical interface transceiver and then sent to the multimode expansion connector, and then sent to the second physical interface transceiver.
In one embodiment, the main control module further includes: the system comprises a central processing unit, a baseband processor, a main control radio frequency unit and peripheral equipment;
the central processing unit is respectively connected with the first physical interface transceiver, the baseband processor and the peripheral equipment, and the baseband processor is connected with the main control radio frequency unit.
In one embodiment, the expansion module further includes: a hardware processing unit and an extended radio frequency unit; the hardware processing unit is respectively connected with the second physical interface transceiver and the extended radio frequency unit.
The multimode expansion connector comprises 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, the main control module and the expansion module are different in modality, and when the main control module communicates with the expansion module, signals sent by the main control module are sent to the expansion module through the first interface and the second interface. By utilizing the multimode expansion connector, integration and expansion among modules in various modes can be realized, namely, communication among various different modes (or different modes) can be flexibly realized, so that the communication requirements of users on services in different modes can be ensured; in addition, the multimode expansion connector is used for connecting modules in multiple modes, and the modules in multiple modes do not need to be integrated on one board, so that the openness and flexibility of connection among the modules in multiple modes can be improved, the cost and the installation difficulty of the whole machine can be reduced, and the operation and maintenance cost is saved.
Drawings
FIG. 1 is a schematic diagram of a multimode expansion connector in one embodiment;
fig. 2 is a schematic structural diagram of a multimode expansion connector in another embodiment;
fig. 3 is a schematic structural diagram of a multimode expansion connector in another embodiment;
fig. 4 is a schematic structural diagram of a multimode expansion connector in another embodiment;
FIG. 5 is a schematic structural diagram of a main control module in another embodiment;
FIG. 6 is a schematic structural diagram of a GSM module in another embodiment;
FIG. 7 is a block diagram of a WLAN module according to another embodiment;
fig. 8 is a schematic structural diagram of connection between an LTE module and a WLAN module in another embodiment;
fig. 9 is a schematic structural diagram of connection between an LTE module and a GSM module in another embodiment.
Description of reference numerals:
10: a multimode expansion connector;
11: a main control module;
12: an expansion module;
101: a first interface;
102: a second interface;
103: a first expansion connector;
104: a second expansion connector;
110: a first physical interface transceiver;
120: a second physical interface transceiver.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
At present, when a micro base station is used for communication coverage, the general micro base station can be installed nearby an antenna, such as a tower top and a roof, and a transmitting signal is directly connected to an antenna end by using a jumper wire, so that communication between a terminal and the base station can be realized. The multimode expansion connector and the multimode micro base station system provided by the embodiment of the application aim to solve the technical problems in the prior art.
Fig. 1 is a schematic structural diagram of a multimode expansion connector according to an embodiment. As shown in fig. 1, the multimode expansion connector 10 includes: the main control module 11 and the expansion module 12 are different in modality, and when the main control module 11 communicates with the expansion module 12, a signal sent by the main control module is sent to the expansion module 12 through the first interface 101 and the second interface 102.
The number of the second interfaces 102 may be 1, 2, 3, 4, 5, or the like, or may be a larger number, where the number may be the same as the number of the expansion modules 12, and in addition, the multimode expansion connector 10 may simultaneously expand a plurality of expansion modules 12 different from the main control module 11, or may separately expand each expansion module 12 different from the main control module 11. For example, it is assumed that the main control module 11 and the extension module 12 have 5 different modal modules, which are an LTE module, a GSM module, a WLAN module, an ONU module, and an OTT TV module, respectively, and then any one of the modules is taken as the main control module 11, and corresponding other modules can be taken as the extension module 12, so that there are 4 extension modules 12, and then there can be 4 second interfaces 102, and in addition, it is assumed that the LTE module is taken as the main control module 11, and then the LTE module can not only simultaneously extend the GSM module, the WLAN module, the ONU module, and each module of the OTT TV module 4, but also can respectively extend any one of the GSM module, the WLAN module, the ONU module, and the OTT TV module.
Next, the 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, where the fixed connection may be welding or the like, the detachable connection may be flange connection, bayonet connection, threaded connection, clip ring, clip sleeve, hinge or the like, and may also be a connection through a wire. The material of the multimode expansion connector 10 may be the same as that of the main control module 11 or the expansion module 12, or may be a different material, for example, PC plastic, resin, or the like.
In addition, the multimode expansion connector 10 may be an integral device, which may be disposed on the main control module 11 or on the expansion module 12; of course, the multimode expansion connector 10 herein may be a connector composed of two devices, for example, a first expansion connector and a second expansion connector, wherein the number of the first expansion connector or the second expansion connector herein may be one or more, and the specific number may be determined according to the number of the expansion module 12 and the main control module 11, for the multimode expansion connector 10 composed of the first expansion connector and the second expansion connector herein, it may be that the first expansion connector is disposed on the main control module 11, the second expansion connector is disposed on the expansion module 12, or the first expansion connector is disposed on the expansion module 12, and the second expansion connector is disposed on the main control module 11, or of course, the first expansion connector and the second expansion connector may be disposed independently from the main control module 11 and the expansion module 12, i.e. exist as a single device, this embodiment is not particularly limited thereto.
Specifically, in the process of the main control module 11 communicating with the expansion module 12, the signal sent by the main control module 11 may pass through the first interface 101, then the first interface 101 sends to the second interface 102, and finally the second interface 102 sends to the expansion module 12, so as to implement the communication between the main control module 11 and the expansion module 12.
The multimode expansion connector provided by the embodiment comprises 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 extension module, the main control module and the extension module are different in modality, and when the main control module communicates with the extension module, signals sent by the main control module are sent to the extension module through the first interface and the second interface. By utilizing the multimode expansion connector, integration and expansion among modules in various modes can be realized, namely, communication among various different modes (or different modes) can be flexibly realized, so that the communication requirements of users on services in different modes can be ensured; in addition, the multimode expansion connector is used for connecting modules in multiple modes, and the modules in multiple modes do not need to be integrated on one board, so that the openness and flexibility of connection among the modules in multiple modes can be improved, the cost and the installation difficulty of the whole machine can be reduced, and the operation and maintenance cost is saved.
Fig. 2 is a schematic structural diagram of a multimode expansion connector according to another embodiment. As shown in fig. 2, the multimode expansion connector 10 includes a first expansion connector 103 and a second expansion connector 104 connected to each other, a first interface 101 is disposed on the first expansion connector 103, and a second interface 102 is disposed on the second expansion connector 104.
In this embodiment, the number of the first expansion connectors 103 may be one, and certainly may also be multiple, the number of the second expansion connectors 104 may be determined according to the number of the expansion modules 12, and may be one or more, and the number of the second interfaces 102 and the number of the second expansion connectors 104 may be the same. In addition, the first interface 101 is disposed on the first expansion connector 103, 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, and can be a snap connection, a screw connection, or the like, the second interface 102 is disposed on the second expansion connector 104, and the expansion module 12 and the second expansion connector 104 can be connected through the second interface 102, the connection can also be a detachable connection, and can also be a snap connection, a screw connection, or the like. In addition, for the first expansion connector 103, only the first interface 101 may be provided thereon, and of course, other interfaces or components may be provided thereon, and for the second expansion connector 104, only the second interface 102 may be provided thereon, and other interfaces or components may also be provided thereon, which is not specifically limited in this embodiment.
Next, as for the connection between the first expansion connector 103 and the second expansion connector 104, it is optional that the first expansion connector 103 and the second expansion connector 104 are detachably connected. Wherein, the detachable connection can be a snap connection, a bayonet connection, a screw connection and the like; the material of the first extension connector 103 and the second extension connector 104 may be plastic, a resin material, or the like, but may be another material. Alternatively, the first expansion connector 103 may be disposed on the main control module 11, and the second expansion connector 104 may be disposed on the expansion module 12.
The expansion connector provided by the embodiment comprises a first expansion connector and a second expansion connector which are connected with each other, wherein a first interface is arranged on the first expansion connector, and a second interface is arranged on the second expansion connector. By utilizing the multi-mode expansion connector, the main control module and the expansion module can be flexibly connected, the communication between the main control module and the expansion module is realized, meanwhile, the connection between the main control module and the expansion module can be simplified, and the installation cost and the operation and maintenance cost between the main control module and the expansion module are reduced.
Fig. 3 is a schematic structural diagram of a multimode expansion connector according to another embodiment. As shown in fig. 3, the first interface 101 and the second interface 102 of the multimode expansion connector 10 may each include: the system comprises an expanded network port signal interface and a synchronous input/output interface, wherein the expanded network port signal interface is used for data communication between the main control module 11 and the expansion module 12, and the synchronous input/output interface is used for system synchronization between the main control module 11 and the expansion module 12.
Before the expansion network port signal interface and the synchronous input/output interface are used, the functions of each interface, communication protocols, communication modes and other related information can be configured in advance. For example, the signal interface of the extended network port can be configured to use TCP/IP ethernet for communication, etc. when configured; as for the synchronization function of the synchronous input/output interface, it may be that clock synchronization between the main control module 11 and the expansion module 12 is achieved.
Optionally, with continued reference to fig. 3, the first interface 101 and the second interface 102 of the multimode expansion connector 10 may further include at least one of: the system comprises a power supply interface, a state indication interface, an on-site detection signal interface, a reset interface and a factory setting restoration interface; the main control module 11 supplies power to the expansion module 12 through a power interface; the main control module 11 indicates the running state of the expansion module 12 through a state indication interface; the main control module 11 indicates the on-position state of the expansion module 12 through an on-position detection signal interface; the main control module 11 instructs the expansion module 12 to perform local or global reset through the reset interface; the main control module 11 instructs the expansion module 12 to perform factory reset through the factory reset interface.
It should be noted that, for the power interface, the status indication interface, the on-site detection signal interface, the reset interface, and the factory setting restoration interface, the interfaces included in the first interface 101 and the second interface 102 may be the same, that is, paired, or may be different, but if the interfaces included in the first interface 101 and the second interface 102 are different, 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. In addition, the first interface 101 and the second interface 102 include interfaces, which are mainly used for the main control module 11 to control the expansion module 12 through the interfaces, so that corresponding functions can be implemented between the main control module 11 and the expansion module 12.
In the multimode expansion connector provided in this embodiment, the first interface and the second interface may each include: the system comprises an expansion network port signal interface and a synchronous input/output interface, wherein the expansion network port signal interface is used for data communication between the main control module and the expansion module, and the synchronous input/output interface is used for system synchronization between the main control module and the expansion module. In this embodiment, since the first interface and the second interface both include the expansion network port signal interface and the synchronous input/output interface, data communication in different modalities can be realized between the main control module and the expansion module through the expansion network port signal interface, and system synchronization in different modalities can also be realized at the same time.
In another embodiment, continuing to refer to fig. 1, there is provided a multimode micro base station system comprising: a main control module 11, an expansion module 12 and the multimode expansion connector 10; when the main control module 11 and the expansion module 12 communicate, a signal transmitted by the main control module 11 is transmitted to the expansion module 12 via the multimode expansion connector 10.
In this embodiment, the main control module 11 may be a module including only one device, or may be a module including a plurality of devices, and similarly, the expansion module 12 may be a module including only one device, or may be a module including a plurality of devices; in actual use, the main control module 11 may include a module including multiple devices, the expansion module 12 may include a module including one device, certainly, the main control module 11 may include a module including one device, the expansion module 12 includes a module including multiple devices, certainly, both the main control module 11 and the expansion module 12 may include modules including multiple devices, and the devices included in the main control module 11 and the expansion module 12 may or may not have a corresponding relationship, which is not specifically limited in this embodiment.
Specifically, when the main control module 11 communicates with the expansion module 12, the signal sent by the main control module 11 is first sent to the multimode expansion connector 10, and is forwarded by the multimode expansion connector 10 and then sent to the expansion module 12. It should be noted that, it is assumed that the multimode expansion connector 10 is connected to a main control module 11 and a plurality of expansion modules 12, when the main control module 11 communicates with the plurality of expansion modules 12, the main control module 11 may send the transmission signals to the multimode expansion connectors 10 connected to the respective expansion modules 12, and then the multimode expansion connectors 10 send the transmission signals to the corresponding expansion modules 12, so as to implement simultaneous communication between the main control module 11 and the plurality of expansion modules 12.
The multimode micro base station system provided by the embodiment comprises a main control module, an expansion module and the multimode expansion connector; when the main control module is communicated with the expansion module, signals sent by the main control module are sent to the expansion module through the multimode expansion connector. The system comprises the multimode expansion connector, and by combining the description of the multimode expansion connector, the multimode micro base station system can realize the integration and expansion of modules in various modes, namely, the communication among various different modes (or different modes) can be flexibly realized, so that the communication requirements of users on services in different modes can be ensured; in addition, the multimode expansion connector is used for connecting modules in multiple modes, and the modules in multiple modes do not need to be integrated on one board, so that the openness and flexibility of connection among the modules in multiple modes can be improved, the cost and the installation difficulty of the whole machine (multimode micro base station) can be reduced, and the operation and maintenance cost is saved.
Fig. 4 is a schematic structural diagram of a multimode micro base station system according to another embodiment. As shown in fig. 4, 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 configured to transmit, receive, download, and forward communication signals, and signals transmitted by the main control module 11 are processed by the first physical interface transceiver 110, transmitted to the multimode expansion connector 10, and then transmitted to the second physical interface transceiver 120.
In an actual use process, the first Physical interface transceiver 110 and the second Physical interface transceiver 120 may be PHY (Physical) chips, and both the first Physical interface transceiver 110 and the second Physical interface transceiver 120 may configure the PHY chips through their corresponding central processing units, for example, internal software of the central processing units corresponding to the first Physical interface transceiver 110 and the second Physical interface transceiver 120 may configure the PHY chips and the second Physical interface transceiver 120 by routing and bridging, so as to implement external single IP (Internet Protocol Address) and intercommunication (intercommunication), and certainly also implement sending, receiving, downloading, and forwarding of communication signals, because a data channel between the main control module 11 and the extension module 12 may be different, different channel data may be planned on a certain channel for intercommunication through the first Physical interface transceiver 110 and the second Physical interface transceiver 120.
It should be noted that, in the conventional technology, when the modules of different modalities communicate with each other, the CPU (central processing unit) and the CPU of different modules communicate with each other, that is, the Mac Address (Media Access Control Address, also referred to as local area network Address or ethernet Address or physical Address) of different modules communicate with each other, and in the scheme of the present application, the physical interface transceiver is added to each of the different modules, so that any data from each of the different modules can communicate with each other, that is, the flexibility and openness of communication are increased.
Specifically, when the main control module 11 communicates with the expansion module 12, after a signal sent by the main control module 11 is processed by the first physical interface transceiver 110, an intercommunicable signal is obtained, and the intercommunicated signal is sent to the second physical interface transceiver 120 by the multimode expansion connector 10, so as to implement signal intercommunication between the main control module 11 and the expansion module 12.
Optionally, please refer to fig. 5, the main control module 11 may further include: the system comprises a central processing unit, a baseband processor, a main control radio frequency unit and peripheral equipment; the central processing unit is connected to the first physical interface transceiver 110, the baseband processor, and the peripheral device, and the baseband processor is connected to the main control rf unit.
The connection between the central processing unit and the first physical interface transceiver 110, the baseband processor, and the peripheral device may generally be an electrical connection, and for the connection between the baseband processor and the main control radio frequency unit, the connection may also generally be an electrical connection, for example, a wire or a cable may be used.
In addition, the central processing unit is configured to establish a network connection between the mobile user terminal and the multimode micro base station system, and when the mobile user terminal performs data signal interaction with the multimode micro base station system, a signal sent by the main control module 11 in the multimode micro base station system is processed by the first physical interface transceiver, and then a communication mode signal is processed on the processed physical 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 data signal sent by the mobile user terminal is analyzed by the radio frequency module and then the baseband processor converts the baseband signal on the analyzed data signal. Illustratively, the central processing unit here may be a BCM61735 chip, but may also be another chip. The baseband processor is used for completing conversion of radio frequency signals and baseband signals, analog-to-digital conversion (AD) of communication signals and digital-to-analog conversion (DA) of the communication signals, and finally overlapping and sending radio frequency local oscillation signals to an air interface to realize signal transmission. It should be noted that both uplink and downlink signals may be used here, and a dual channel is also possible, and the baseband processor may be a BCM61297 chip, or may be another chip. The radio frequency module is used for assisting data receiving and transmitting of radio frequency signals and optimizing transmission quality of communication data, wherein the radio frequency module can be composed of radio frequency circuits, and the radio frequency circuits comprise interception links, uplink and downlink links, control channels and other links. The peripheral device may include a memory, a clock circuit, a power supply circuit, and the like, wherein the memory includes a DDR (Double Data Rate) for storing Data and a Nand Flash (Nand Flash) for buffering Data; the clock circuit is used for providing clock signals for the multimode micro base station system, and the power supply circuit is used for supplying power for the whole multimode micro base station system.
Optionally, the expansion module 12 may further include: a hardware processing unit and an extended radio frequency unit; the hardware processing unit is respectively connected with the second physical interface transceiver and the extended radio frequency unit. The hardware processing unit is used for realizing data processing and the like of communication signals, and the extended radio frequency unit is used for completing signal receiving and sending from a baseband signal to an 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, such as a wire or a cable.
For example, taking the expansion module 12 as a GSM module as an example, please refer to fig. 6, where the expansion GSM module includes: a multimode expansion connector, a second physical interface transceiver, a hardware unit portion and a radio frequency unit portion; wherein the respective interfaces of the multimode expansion connector are the same as those of the multimode expansion connector 10 described above. The hardware unit mainly comprises: the device comprises a processor and a programmable logic device, wherein the processor is used for finishing functions such as OAM (operation administration 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, interception synchronization control and the like; the programmable logic device is used for realizing the interface conversion with the DA/AD, the DDU/DUC processing and the like, and can be matched with the processor to realize the clock synchronization function, and the processor can be electrically connected with the programmable logic device so as to transmit baseband data, such as FPGA, CPLD and the like; the radio frequency unit comprises a radio frequency module and a radio frequency transceiver and is used for receiving and transmitting signals from a baseband signal to an air interface.
For example, taking the expansion module 12 as a WLAN module, please refer to fig. 7, where the expansion WLAN module includes: the multimode expansion connector, the processor and other peripheral equipment, the radio frequency unit, other peripheral equipment include memory and DDR, crystal oscillator etc., the radio frequency unit can be WIFI etc., the function of each unit is similar basically with the function of above-mentioned GSM module, no longer describe here.
In the multimode micro base station system provided in this embodiment, the main control module in the system may include a first physical interface transceiver, the expansion module includes a second physical interface transceiver, the first physical interface transceiver is connected to the first interface, the second physical interface transceiver is 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 a signal sent by the main control module is processed by the first physical interface transceiver, then sent to the multimode expansion connector, and then sent to the second physical interface transceiver. Due to the fact that the system comprises the physical interface transceiver, the multimode micro base station can enable any data between modules from different modes to be communicated, namely flexibility and openness of communication are increased.
In order to better understand the technical solution of the present application, the following further illustrates the implementation of the single-mode and multi-mode micro base station by another embodiment:
implementation mode of single-mode micro base station
Because the multimode expansion connector can be integrated in the main control module and can also exist independently, the existence of the multimode expansion connector does not influence the internal work flow of the main control module, and therefore, when only the single-mode micro base station of the main control module is required, the multimode expansion connector can be installed on the main control module or be left vacant.
Implementation mode of dual-mode micro base station of LTE module and WLAN module
The LTE module and the WLAN module are connected through the multimode expansion connector, and the connection relationship can be as shown in fig. 8, specifically, the power connection from the LTE module to the WLAN module is realized through the expansion power interface of the multimode expansion connector, and then the power supply module part of the WLAN is converted into the power supply voltage required by other branches to supply power to the whole WLAN module; enabling the central processing unit to identify and detect the in-place state of the extended WLAN module through an in-place detection interface of the multi-mode extended connector, and triggering the next work flow according to the identification result; connecting the running state of the extension module to the LTE module through a state indication interface of the multimode extension connector, and driving a running state indicator lamp corresponding to the WLAN module; because the WLAN module does not relate to other forms of synchronization such as a clock, a synchronous input/output interface of the multimode expansion connector can be vacant; the intercommunication of the LTE module and the extended WLAN module is realized through the network port interface of the multi-mode extended connector, so that the respective communication functions are realized; local or global reset of the LTE module and the extended WLAN module is realized through a reset interface of the multimode extended connector.
Implementation mode of dual-mode micro base station of LTE module and GSM module
The LTE module and the GSM module are connected by the multimode expansion connector, and the connection relationship can be as shown in fig. 9, specifically, the power connection from the LTE module to the GSM module is realized by the expansion power interface of the multimode expansion connector, and then the power module of the GSM module is partially converted into the power voltage required by other branches to supply power to the entire GSM module; the in-place state of the extended GSM module is identified and detected by the central processing unit through an in-place detection interface of the multimode extended connector, and the next working process is triggered according to the identification result; the operating state of the extension module is connected to the LTE module through a state indicating interface of the multimode extension connector, and a corresponding GSM module operating state indicating lamp is driven; the synchronization of an LTE module and a GSM module can be realized through a synchronous input/output interface of the multimode expansion connector, clock synchronization, 1588V2 synchronization, 1588ACR synchronization and GPS synchronization can be supported in a synchronous mode, and the LTE module can be freely selected as a main clock or the GSM module can be used as the main clock to realize the synchronization of the whole system according to the requirement; the mutual communication between the LTE module and the extended GSM module is realized through an extended network port interface of the multi-mode extended connector, so that the respective communication functions are realized; local or global reset of the LTE module and the extended GSM module is realized through a reset interface of the multimode extended connector.
It should be noted that, through the multi-mode expansion interface connector, other modules such as the ONU module and the OTT TV may also be expanded, and through the serial connection form of the multi-mode expansion connector, service unit modules of three modes, four modes, five modes, and the like may be connected, and different service types may be distinguished by distinguishing different hardware addresses of each service unit, thereby meeting different service requirements of different users.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A multimode expansion connector, comprising: a first interface and at least one second interface; the first interface is connected with the main control module, and the second interface is connected with the expansion module; the main control module and the extension module are in different modes;
when the main control module communicates with the expansion module, the signal sent by the main control module is sent to the expansion module through the first interface and the second interface.
2. The multimode expansion connector of claim 1, comprising a first expansion connector and a second expansion connector connected to each other, the first interface disposed on the first expansion connector, the second interface disposed on the second expansion connector.
3. The multimode expansion connector of claim 2, wherein the first expansion connector is disposed on the master control module and the second expansion connector is disposed on the expansion module.
4. The multimode expansion connector of claim 2 or 3, wherein there is a detachable connection between the first expansion connector and the second expansion connector.
5. The multimode expansion connector of claim 2, wherein the first interface and the second interface each comprise: an expanded network port signal interface and a synchronous input/output interface;
the expansion network port signal interface is used for data communication between the main control module and the expansion module;
the synchronous input/output interface is used for system synchronization between the main control module and the expansion module.
6. The multimode expansion connector of claim 5, wherein the first interface and the second interface further comprise at least one of: the system comprises a power supply interface, a state indication interface, an on-site detection signal interface, a reset interface and a factory setting restoration interface;
the main control module supplies power to the expansion module through the power interface;
the main control module indicates the running state of the expansion module through the state indication interface;
the main control module indicates the in-place state of the expansion module through the in-place detection signal interface;
the main control module indicates the expansion module to carry out local or global reset through the reset interface;
and the main control module indicates the expansion module to restore factory settings through the factory-restoration setting interface.
7. A multimode micro base station system, comprising: a master control module, an expansion module, and the multimode expansion connector of any of claims 1-6;
when the main control module is communicated with the extension module, the signal sent by the main control module is sent to the extension module through the multimode extension connector.
8. The system of claim 7, wherein the master module comprises a first physical interface transceiver and the expansion module comprises a second physical interface transceiver; the first physical interface transceiver is connected with the first interface, and the second physical interface transceiver is connected with the second interface;
the first physical interface transceiver and the second physical interface transceiver are used for sending, receiving, downloading and forwarding communication signals; and the signal sent by the main control module is processed by the first physical interface transceiver, then sent to the multimode expansion connector and then sent to the second physical interface transceiver.
9. The system of claim 8, wherein the master module further comprises: the system comprises a central processing unit, a baseband processor, a main control radio frequency unit and peripheral equipment;
the central processing unit is respectively connected with the first physical interface transceiver, the baseband processor and the peripheral equipment, and the baseband processor is connected with the master control radio frequency unit.
10. The system of claim 8, wherein the expansion module further comprises: a hardware processing unit and an extended radio frequency unit;
the hardware processing unit is respectively connected with the second physical interface transceiver and the extended radio frequency unit.
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