Near-end unit and far-end unit indoor distribution hybrid expansion networking structure

Abstract

The utility model relates to the technical field of signal distribution systems, in particular to a room distribution hybrid expansion networking structure for near-end machines and far-end machines. By arranging a multi-network heterogeneous structure formed by the annularly connected main optical fiber near-end machine and the chrysanthemum-shaped connected optical fiber far-end machines, when the main optical fiber near-end machine breaks down, the backup optical fiber near-end machine can be automatically switched in to replace the main optical fiber near-end machine to work, and 3G, 4G and 5G digital signal coverage is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of signal distribution systems, in particular to a near-end machine and a far-end machine room-divided mixed expansion networking structure. Background Art

[0002] The commonly used networking structure of near-end machines and remote machines at present is that one near-end machine is connected to several remote machines. The networking structure of near-end machines and remote machines currently used has the problem that when only one near-end machine fails, the normal operation of all remote machines is affected. Utility Model Content

[0003] Aiming at the problem that the normal operation of all remote machines will be affected when the only one near-end machine fails in the existing near-end and remote machine networking structure, the utility model proposes a room-divided hybrid expansion networking structure of near-end and remote machines; the structure comprises a multi-network heterogeneity consisting of a main optical fiber near-end machine connected in a ring shape and an optical fiber remote machine connected in a daisy shape. When the main optical fiber near-end machine fails, the backup optical fiber near-end machine can be automatically switched in to replace the main optical fiber near-end machine to work, thereby realizing 3G, 4G, and 5G digital signal coverage.

[0004] The specific implementation contents of the utility model are as follows:

[0005] A near-end machine and a far-end machine room-divided hybrid expansion networking structure, comprising a near-end optical fiber module and a far-end optical fiber module;

[0006] The optical fiber proximal end module includes a main optical fiber proximal end unit and a backup optical fiber proximal end unit;

[0007] The optical fiber remote module includes a first optical fiber remote unit, a second optical fiber remote unit, a third optical fiber remote unit, and a fourth optical fiber remote unit;

[0008] The first end of the main optical fiber proximal unit is connected to the first optical fiber remote unit through an optical fiber, the second end of the main optical fiber proximal unit is connected to the second optical fiber remote unit through an optical fiber, the third end of the main optical fiber proximal unit is connected to the third optical fiber remote unit through an optical fiber, and the fourth end of the main optical fiber proximal unit is connected to the fourth optical fiber remote unit through an optical fiber;

[0009] The first end of the backup fiber optic proximal machine is connected to the third fiber optic remote unit via optical fiber, the second end of the backup fiber optic proximal machine is connected to the fourth fiber optic remote unit via optical fiber, the third end of the backup fiber optic proximal machine is connected to the first fiber optic remote unit via optical fiber, and the fourth end of the backup fiber optic proximal machine is connected to the second fiber optic remote unit via optical fiber.

[0010] In order to better implement the present invention, further, the first fiber optic remote unit, the second fiber optic remote unit, the third fiber optic remote unit, and the fourth fiber optic remote unit all include a plurality of fiber optic remote units connected in an optical fiber daisy chain manner.

[0011] In order to better realize the utility model, further, the optical fiber proximal module includes a proximal radio frequency transceiver unit, a proximal radio frequency signal amplification unit, a proximal digital signal processing unit, and a proximal optical communication unit;

[0012] The input end of the near-end RF transceiver unit is connected to the external antenna, and the output end is connected to the input end of the near-end RF signal amplification unit;

[0013] The input end of the near-end digital processing unit is connected to the output end of the near-end radio frequency signal amplifying unit, and the output end of the near-end digital processing unit is connected to the input end of the near-end optical communication unit;

[0014] The output end of the near-end optical communication unit is connected to the input end of the far-end optical fiber module.

[0015] In order to better implement the utility model, further, the optical fiber proximal module also includes a proximal power supply unit;

[0016] The proximal power supply unit includes a switching power supply and a power filter;

[0017] The switching power supply is connected to the power filter via an AC POWER interface, and is connected to the proximal RF transceiver unit, the proximal RF signal amplification unit, the proximal digital signal processing unit, and the proximal optical communication unit via a DC power cable;

[0018] In order to better implement the utility model, further, the optical fiber proximal module also includes a monitoring unit; the monitoring unit includes an NMS MCU unit and an RJ-45 interface unit;

[0019] The NMS MCU unit is connected to the ALM INPUT interface and the ALM OUTPUT interface of the proximal optical fiber module; the RJ-45 interface unit is connected to the LCLGUI interface and the MODEM interface of the proximal optical fiber module.

[0020] In order to better realize the utility model, further, the optical fiber remote module includes a remote optical communication unit, a remote digital signal processing unit, a remote radio frequency transceiver unit, a remote radio frequency signal amplification unit, and a multiplexer;

[0021] The input end of the remote optical communication unit is connected to the output end of the near-end optical communication module, and the output end of the remote optical communication unit is connected to the input end of the remote digital signal processing unit;

[0022] The input end of the remote RF transceiver unit is connected to the output end of the remote digital signal processing unit, and the output end of the remote RF transceiver unit is connected to the input end of the remote RF signal amplification unit;

[0023] The input end of the multiplexer is connected to the output end of the remote radio frequency amplification unit, and the output end of the multiplexer is connected to the external antenna.

[0024] In order to better implement the utility model, further, the optical fiber remote module also includes a remote power supply unit and a power switching module;

[0025] The input end of the remote power supply unit is connected to the AC POWER interface of the optical fiber remote module, and the output end of the remote power supply unit is connected to the input end of the remote digital signal processing unit and the power switching module;

[0026] The output end of the power switching module is connected to the input end of the remote digital signal processing unit, the input end of the remote radio frequency transceiver unit, and the input end of the remote radio frequency amplification unit.

[0027] In order to better realize the utility model, further, the proximal optical communication unit includes an ORU1 optical interface, an ORU2 optical interface, an ORU3 optical interface, an ORU4 optical interface, an ORU5 optical interface, an ORU6 optical interface, an ORU7 optical interface, and an ORU8 optical interface.

[0028] In order to better implement the utility model, further, the remote optical communication unit includes an OP PRI interface and an OPSLV interface;

[0029] The ORU1 optical interface and the ORU2 optical interface of the near-end optical communication module are connected to the OP SLV interface of the far-end optical communication unit.

[0030] In order to better implement the present utility model, further, the first optical fiber remote unit, the second optical fiber remote unit, the third optical fiber remote unit, and the fourth optical fiber remote unit are connected via an OP SLV interface.

[0031] The utility model has the following beneficial effects:

[0032] The utility model realizes multi-network heterogeneity by setting up a main optical fiber proximal machine connected in a ring shape and an optical fiber far-end machine connected in a daisy shape. When the main optical fiber proximal machine fails, the backup optical fiber proximal machine can automatically switch in and replace the main optical fiber proximal machine to work, thereby realizing 3G, 4G, and 5G digital signal coverage. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a diagram of the networking structure of the near-end machine and the far-end machine provided by the utility model.

[0034] Figure 2 This is a schematic diagram of the connection principle between the near-end machine and the far-end machine provided by the utility model. DETAILED DESCRIPTION

[0035] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. It should be understood that the described embodiments are only part of the embodiments of the utility model, not all of the embodiments, and therefore should not be regarded as limiting the scope of protection. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Embodiment 1:

[0038] This embodiment proposes a hybrid expansion networking structure of near-end and remote-end machines. Figure 1 As shown, it includes an optical fiber proximal module and an optical fiber distal module;

[0039] The optical fiber proximal end module includes a main optical fiber proximal end unit and a backup optical fiber proximal end unit;

[0040] The optical fiber remote module includes a first optical fiber remote unit, a second optical fiber remote unit, a third optical fiber remote unit, and a fourth optical fiber remote unit;

[0041] The first end of the main optical fiber proximal unit is connected to the first optical fiber remote unit through an optical fiber, the second end of the main optical fiber proximal unit is connected to the second optical fiber remote unit through an optical fiber, the third end of the main optical fiber proximal unit is connected to the third optical fiber remote unit through an optical fiber, and the fourth end of the main optical fiber proximal unit is connected to the fourth optical fiber remote unit through an optical fiber;

[0042] The first end of the backup fiber optic proximal machine is connected to the third fiber optic remote unit via optical fiber, the second end of the backup fiber optic proximal machine is connected to the fourth fiber optic remote unit via optical fiber, the third end of the backup fiber optic proximal machine is connected to the first fiber optic remote unit via optical fiber, and the fourth end of the backup fiber optic proximal machine is connected to the second fiber optic remote unit via optical fiber.

[0043] Working principle: This embodiment sets up a multi-network heterogeneity consisting of a ring-connected main optical fiber proximal machine and a daisy-shaped connected optical fiber remote machine. When the main optical fiber proximal machine fails, the backup optical fiber proximal machine can automatically switch in and replace the main optical fiber proximal machine to work, thereby achieving 3G, 4G, and 5G digital signal coverage.

[0044] Embodiment 2:

[0045] This embodiment is based on the above embodiment 1. Figure 2 As shown, the first fiber optic remote unit, the second fiber optic remote unit, the third fiber optic remote unit, and the fourth fiber optic remote unit all include a plurality of fiber optic remote units connected in an optical fiber daisy chain manner.

[0046] Further, the optical fiber proximal module includes a proximal radio frequency transceiver unit, a proximal radio frequency signal amplification unit, a proximal digital signal processing unit, and a proximal optical communication unit;

[0047] The input end of the near-end RF transceiver unit is connected to the external antenna, and the output end is connected to the input end of the near-end RF signal amplification unit;

[0048] The input end of the near-end digital processing unit is connected to the output end of the near-end radio frequency signal amplifying unit, and the output end of the near-end digital processing unit is connected to the input end of the near-end optical communication unit;

[0049] The output end of the near-end optical communication unit is connected to the input end of the far-end optical fiber module.

[0050] Furthermore, the optical fiber proximal module also includes a proximal power supply unit;

[0051] The proximal power supply unit includes a switching power supply and a power filter;

[0052] The switching power supply is connected to the power filter through the AC POWER interface, and is connected to the proximal RF transceiver unit, the proximal RF signal amplification unit, the proximal digital signal processing unit, and the proximal optical communication unit through the DC power cable and the terminals on the DC power cable;

[0053] Furthermore, the optical fiber proximal module further comprises a monitoring unit; the monitoring unit comprises an NMS MCU unit and an RJ-45 interface unit;

[0054] Among them, the full name of NMS MCU unit is Network Management System Micro Controller Unit, network management system microcontroller unit.

[0055] The NMS MCU unit is connected to the ALM INPUT interface and the ALM OUTPUT interface of the proximal optical fiber module; the RJ-45 interface unit is connected to the LCLGUI interface and the MODEM interface of the proximal optical fiber module.

[0056] The monitoring unit is physically connected to the proximal radio frequency transceiver unit and the proximal digital signal processing unit through cables and pins.

[0057] Further, the optical fiber remote module includes a remote optical communication unit, a remote digital signal processing unit, a remote radio frequency transceiver unit, a remote radio frequency signal amplification unit, and a multiplexer;

[0058] The input end of the remote optical communication unit is connected to the output end of the near-end optical communication module, and the output end of the remote optical communication unit is connected to the input end of the remote digital signal processing unit;

[0059] The input end of the remote RF transceiver unit is connected to the output end of the remote digital signal processing unit, and the output end of the remote RF transceiver unit is connected to the input end of the remote RF signal amplification unit;

[0060] The input end of the multiplexer is connected to the output end of the remote radio frequency amplification unit, and the output end of the multiplexer is connected to the external antenna.

[0061] Furthermore, the optical fiber remote module also includes a remote power supply unit and a power switching module;

[0062] The input end of the remote power supply unit is connected to the AC POWER interface of the optical fiber remote module, and the output end of the remote power supply unit is connected to the input end of the remote digital signal processing unit and the power switching module;

[0063] The output end of the power switching module is connected to the input end of the remote digital signal processing unit, the input end of the remote radio frequency transceiver unit, and the input end of the remote radio frequency amplification unit.

[0064] Furthermore, the proximal optical communication unit includes an ORU1 optical interface, an ORU2 optical interface, an ORU3 optical interface, an ORU4 optical interface, an ORU5 optical interface, an ORU6 optical interface, an ORU7 optical interface, and an ORU8 optical interface.

[0065] Further, the remote optical communication unit includes an OP PRI interface and an OP SLV interface;

[0066] The ORU1 optical interface and the ORU2 optical interface of the near-end optical communication module are connected to the OP SLV interface of the far-end optical communication unit.

[0067] Furthermore, the first optical fiber remote unit, the second optical fiber remote unit, the third optical fiber remote unit, and the fourth optical fiber remote unit are connected via an OP SLV interface.

[0068] Working principle: The proximal machine part proposed in this embodiment includes a proximal RF transceiver unit, a proximal optical communication unit, a proximal digital signal processing unit, a monitoring unit, and a proximal power supply unit.

[0069] Near-end RF transceiver unit: includes uplink PA and downlink LNA; connected via RF cables, used to receive and send RF signals.

[0070] Near-end optical communication unit: includes optical module and optical fiber; optical module is connected via optical fiber to transmit optical signal.

[0071] Near-end digital signal processing unit: includes a multi-frequency digital board, which is used to receive analog signals, convert them into digital signals and process them.

[0072] Monitoring unit: includes a monitoring board, which is used to monitor the alarm quantity of each module and the status of the whole machine.

[0073] Proximal power supply unit: includes two switching power supplies and a power filter, connected by wires, and used to power all modules.

[0074] The near-end radio frequency transceiver unit is connected to the near-end digital signal processing unit via a radio frequency interface.

[0075] The input end of the near-end transceiver unit is connected to the external antenna or base station via the input radio frequency signal.

[0076] The monitoring module is physically connected to each unit through cables and pins.

[0077] The remote machine part includes a remote optical communication unit, a remote digital signal processing unit, a remote radio frequency transceiver unit, a remote radio frequency signal amplification unit, and a remote power supply unit.

[0078] Remote optical communication unit: includes optical module and optical fiber; optical module is connected via optical fiber to transmit optical signal.

[0079] Remote digital signal processing unit: includes a multi-frequency digital board, which is used to receive analog signals, convert them into digital signals and process them.

[0080] Remote RF transceiver unit: includes uplink PA and downlink LNA; connected via RF cable, used to receive and send RF signals.

[0081] The remote radio frequency signal amplifying unit includes an amplifier for amplifying the radio frequency signal.

[0082] Remote power supply unit: includes a switching power supply, a power distribution board, and a lightning arrester; connected by wires, it is used to power all modules.

[0083] The connection relationship between the remote digital unit and the transceiver unit, power supply unit, and power switching module is as follows: the analog signal received by the remote power supply and remote RF transceiver unit is transmitted to the remote digital unit, and the remote digital unit converts it into a digital signal for transmission and processing through the remote optical communication unit, and then converts it back into an analog signal and sends it to the remote transceiver unit for transmission.

[0084] The multiplexer is physically connected to the remote amplifier and the remote transceiver unit through a radio frequency line.

[0085] There are RF interface, eight optical interfaces, external alarm input / output interface, Ethernet communication interface, RS485 interface, MODEM interface, and power interface; connected through MCP protocol.

[0086] The connection relationship between the near-end machine and the far-end machine is a long-distance connection through optical fiber for transmission communication.

[0087] The proximal machine is connected to a monitoring module externally, which is connected to the main / backup proximal machine. When the main proximal machine fails, it sends a message to the monitoring module, which parses the message. The monitoring module sends a message to the backup proximal machine, and then the backup proximal machine starts to take over the work of the main proximal machine.

[0088] like Figure 2 As shown, the OP PRI optical port of remote machine 1 is connected to the OP SLV optical port of remote machine 2.

[0089] The other parts of this embodiment are the same as those of the above-mentioned embodiment 1, and thus will not be described in detail.

[0090] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A hybrid extended networking structure of near-end and far-end indoor units, characterized in that: It includes a fiber proximal module and a fiber distal module; The optical fiber proximal end module includes a main optical fiber proximal end unit and a backup optical fiber proximal end unit; The optical fiber remote module includes a first optical fiber remote unit, a second optical fiber remote unit, a third optical fiber remote unit, and a fourth optical fiber remote unit; The first end of the main optical fiber proximal unit is connected to the first optical fiber remote unit through an optical fiber, the second end of the main optical fiber proximal unit is connected to the second optical fiber remote unit through an optical fiber, the third end of the main optical fiber proximal unit is connected to the third optical fiber remote unit through an optical fiber, and the fourth end of the main optical fiber proximal unit is connected to the fourth optical fiber remote unit through an optical fiber; The first end of the backup fiber optic proximal machine is connected to the third fiber optic remote unit via optical fiber, the second end of the backup fiber optic proximal machine is connected to the fourth fiber optic remote unit via optical fiber, the third end of the backup fiber optic proximal machine is connected to the first fiber optic remote unit via optical fiber, and the fourth end of the backup fiber optic proximal machine is connected to the second fiber optic remote unit via optical fiber.

2. According to claim 1, a near-end machine and a remote machine room-divided hybrid expansion networking structure is characterized in that: The first fiber optic remote unit, the second fiber optic remote unit, the third fiber optic remote unit, and the fourth fiber optic remote unit each include a plurality of fiber optic remote units connected in an optical fiber daisy chain manner.

3. According to claim 1, a near-end machine and a remote machine room-divided hybrid expansion networking structure is characterized in that: The optical fiber proximal module includes a proximal radio frequency transceiver unit, a proximal radio frequency signal amplification unit, a proximal digital signal processing unit, and a proximal optical communication unit; The input end of the near-end RF transceiver unit is connected to the external antenna, and the output end is connected to the input end of the near-end RF signal amplification unit; The input end of the near-end digital signal processing unit is connected to the output end of the near-end radio frequency signal amplifying unit, and the output end of the near-end digital signal processing unit is connected to the input end of the near-end optical communication unit; The output end of the near-end optical communication unit is connected to the input end of the optical fiber far-end module.

4. According to claim 3, a near-end machine and a remote machine room-divided hybrid expansion networking structure is characterized in that: The optical fiber proximal module also includes a proximal power supply unit; The proximal power supply unit includes a switching power supply and a power filter; The switching power supply is connected to the power filter via an AC POWER interface, and is connected to the proximal RF transceiver unit, the proximal RF signal amplification unit, the proximal digital signal processing unit, and the proximal optical communication unit via a DC power cable.

5. According to claim 3, a near-end machine and a remote machine room-divided hybrid expansion networking structure is characterized in that: The optical fiber proximal module also includes a monitoring unit; the monitoring unit includes an NMS MCU unit and an RJ-45 interface unit; The NMS MCU unit is connected to the ALM INPUT interface and the ALM OUTPUT interface of the optical fiber proximal module; the RJ-45 interface unit is connected to the LCL GUI interface and the MODEM interface of the optical fiber proximal module.

6. According to claim 3, a near-end machine and a remote machine room-divided hybrid expansion networking structure is characterized in that: The optical fiber remote module includes a remote optical communication unit, a remote digital signal processing unit, a remote radio frequency transceiver unit, a remote radio frequency signal amplification unit, and a multiplexer; The input end of the remote optical communication unit is connected to the output end of the near-end optical communication unit, and the output end of the remote optical communication unit is connected to the input end of the remote digital signal processing unit; The input end of the remote RF transceiver unit is connected to the output end of the remote digital signal processing unit, and the output end of the remote RF transceiver unit is connected to the input end of the remote RF signal amplification unit; The input end of the multiplexer is connected to the output end of the remote radio frequency signal amplifying unit, and the output end of the multiplexer is connected to an external antenna.

7. A near-end and far-end room-divided hybrid extended networking structure according to claim 6, characterized in that: The optical fiber remote module also includes a remote power supply unit and a power switching module; The input end of the remote power supply unit is connected to the AC POWER interface of the optical fiber remote module, and the output end of the remote power supply unit is connected to the input end of the remote digital signal processing unit and the power switching module; The output end of the power switching module is connected to the input end of the remote digital signal processing unit, the input end of the remote radio frequency transceiver unit, and the input end of the remote radio frequency signal amplifying unit.

8. The hybrid extended networking structure of near-end and far-end rooms according to claim 6 is characterized in that: The proximal optical communication unit includes an ORU1 optical interface, an ORU2 optical interface, an ORU3 optical interface, an ORU4 optical interface, an ORU5 optical interface, an ORU6 optical interface, an ORU7 optical interface, and an ORU8 optical interface.

9. A near-end and far-end room-divided hybrid extended networking structure according to claim 8, characterized in that: The remote optical communication unit includes an OP PRI interface and an OP SLV interface; The ORU1 optical interface and the ORU2 optical interface of the near-end optical communication unit are connected to the OP SLV interface of the far-end optical communication unit.

10. A near-end machine and a far-end machine room-divided hybrid extended networking structure according to claim 9, characterized in that: The first optical fiber remote unit, the second optical fiber remote unit, the third optical fiber remote unit, and the fourth optical fiber remote unit are connected via an OP SLV interface.

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