Satellite-borne universal optical route switching device

Abstract

The invention discloses a satellite-borne universal optical route switching device, which belongs to the technical field of satellite-ground communication and comprises an optical interface processing module, an electric switching processing module, a route management module, an optical switching processing module, a control reconstruction module and a control interface processing module. The invention relates to a design technology of a satellite-borne universal optical route switching device, an optical interface processing module mainly realizes receiving and sending of optical signals with various rates and conversion of optical signals, an electric switching processing module supports a 400Gbps Ethernet core switching function, a route management module supports deployment of a route protocol stack and mainly realizes a route service function, and the optical interface processing module and the electric switching processing module are integrated. The optical switching processing module mainly completes a 16 * 16 scale non-blocking all-optical switching function, the control reconstruction module mainly achieves the functions of CPU reconstruction, remote control and telemetering of the whole machine, CPU power-on and power-off time sequence control and the like, efficient conversion, routing and switching functions of optical signals and electric signals are achieved, and the requirements for large capacity, low time delay and flexible networking of space communication are met.

Description

Technical Field

[0001] The present invention relates to the technical field of space - to - ground communication, and particularly to an on - satellite general optical circuit routing and switching device. Background Technique

[0002] With the rapid development of communication technologies, information globalization has become an urgent need for human development, and the next - generation communication technologies will be faced with challenges. As the core payload of on - satellite payloads, traditional devices of optical circuit routing and switching payloads can no longer meet the requirements of high - bandwidth, low - latency, and flexible networking. Ethernet has become one of the preferred solutions for on - satellite networks due to its maturity, high throughput, and standardization advantages. The on - satellite general optical circuit routing and switching device is a new technological innovation that uses radiation - resistant chips to cope with space ionization radiation, and combines electrical switching and optical switching for collaborative processing to solve the requirements of large - capacity, low - latency, and flexible networking in space communication. Summary of the Invention

[0003] The purpose of the present invention is to provide an on - satellite general optical circuit routing and switching device. This device adopts the design concept of generalization and modularization to achieve the standardization, flexibility, and compactness of payload devices, making the device faster, smarter, and lower - cost. By using the collaborative processing of the optical domain and the electrical domain, high - speed, low - latency, flexible, and reconfigurable communication in space is achieved.

[0004] The purpose of the present invention is achieved as follows: An on - satellite general optical circuit routing and switching device includes an optical interface processing module, an electrical switching processing module, a routing management module, an optical switching processing module, a control and reconfiguration module, and a control interface processing module; Control data and reconfiguration data are input from the control interface processing module to the control and reconfiguration module. After parsing the control data and reconfiguration data, the control and reconfiguration module distributes them to the routing management module and the optical switching processing module. The routing management module and the optical switching processing module generate control information according to the control data and complete the reconfiguration of the CPU or FPGA according to the reconfiguration data. The routing management module and the optical switching processing module send the collected telemetry information to the control and reconfiguration module. The control and reconfiguration module frames the telemetry information and sends it to the platform device through the control interface processing module. Service data enters the electrical switching processing module through the optical interface processing module; Part of the service data performs fine - grained electrical switching in the electrical switching processing module according to the control information sent by the routing management module, and part of the service data enters the optical switching processing module for all - optical switching according to the control information. The switched data is then transmitted to other devices through the optical interface processing module.

[0005] Furthermore, the optical interface processing module includes an optical fiber connector a, a 4-way 10GE parallel optical transceiver integrated optical module, an optical fiber connector b, a 4-way 25GE parallel optical transceiver integrated optical module, a network port, a Gigabit PHY chip and a switching chip; The optical fiber connector a is used to send and receive 4 10GE optical signals; the 4-way 10GE parallel optical transceiver integrated optical module performs parallel conversion of 4 10GE optical signals; the optical fiber connector b is used to send and receive 4 25GE optical signals; the 4-way 25GE parallel optical transceiver integrated optical module performs parallel conversion of 4 25GE optical signals; the network port is used to send and receive Gigabit Ethernet signals; the Gigabit PHY chip is used for data encoding and decoding and signal conversion; the switching chip is used to complete the on-demand switching function of different Ethernet service data; The 4-way 10GE signal passing through the optical fiber connector a and the 4-way 10GE parallel optical transceiver module, the 4-way 25GE signal passing through the optical fiber connector b and the 4-way 25GE parallel optical transceiver module, and the Gigabit Ethernet signal passing through the network port and the Gigabit PHY chip enter the switching chip for on-demand switching of different service data. After the switching is completed, it is reframed and forwarded.

[0006] Further, the optical switching processing module includes a low-frequency connector, a microprocessor, a drive control array, an optical path switching module and an optical fiber connector c; The low-frequency connector is used to send and receive remote control and telemetry data; the microprocessor is used to complete the analysis and forwarding of control data, and the collection, framing and forwarding of telemetry data; the drive control array uses a DA chip as a drive chip to generate a drive voltage according to the control signal; the function of the optical path switching module is to reflect the optical signal at the input end to the designated output port under the action of the drive control array; the optical fiber connector c is used to send and receive optical signals; The control signal enters the microprocessor through the low-frequency connector. The microprocessor analyzes the control signal and sends it to the drive control array. The drive control array generates a control drive voltage according to the control signal. The optical signal enters the optical path switching module through the optical fiber connector c. The optical path switching module reflects the optical signal at the input end to the specified output port according to the control drive voltage generated by the drive control array, and then completes the optical signal output through the optical fiber connector c.

[0007] Compared with the background technology, the present invention has the following advantages: 1. The present invention adopts universal Ethernet switching technology, and combines the flexibility of electrical switching with the large capacity characteristics of optical switching. The optical signal and the electrical signal are processed in coordination to achieve large-capacity, low-latency, and flexible networking communication in space. 2. The present invention adopts universal and modular design to achieve standardization, flexibility and compactness of payload equipment, and improve the efficiency, speed and cost-effectiveness of payload products. Description of the Drawings

[0008] Figure 1 is the electrical principle block diagram of the embodiment of the present invention.

[0009] Figure 2 is the electrical principle block diagram of the optical interface processing module of the present invention.

[0010] Figure 3 is the electrical principle block diagram of the optical switching processing module of the present invention. Detailed Embodiment

[0011] The following further elaborates on this embodiment in conjunction with the drawings:

[0012] Refer to Figure 1 , a spaceborne general optical circuit routing and switching device, including an optical interface processing module 1, an electrical switching processing module 2, a routing management module 3, an optical switching processing module 4, a control and reconstruction module 5, a control interface processing module 6, and a power network 7; Figure 1 is the electrical schematic diagram of the embodiment of a spaceborne general optical circuit routing and switching device in this embodiment.

[0012] For a spaceborne general optical circuit routing and switching device, the optical interface processing module 1 mainly realizes the reception and transmission of optical signals at various rates, as well as the conversion between optical and electrical signals; the electrical switching processing module 2 supports the 400Gbps Ethernet core switching function; the routing management module 3 supports the deployment of a routing protocol stack and mainly realizes the routing service function; the optical switching processing module 4 mainly realizes the non-blocking all-optical switching function with a scale of 16×16; the control and reconstruction module 5 mainly realizes functions such as the reconstruction of the CPU, the remote control and telemetry of the whole machine, and the power-on and power-off timing control of the CPU; the control interface processing module 6 mainly realizes the interface conversion of control data and reconstruction data to the outside; the power network 7 mainly converts the input power into the power supply required by the chip.

[0013] The control data and reconstruction data are input from the control interface processing module 6 to the control and reconstruction module 5. After the control and reconstruction module 5 parses the control data and reconstruction data, it distributes them to the routing management module 3 and the optical switching processing module 4. The routing management module 3 and the optical switching processing module 4 generate control information according to the control data and complete the reconstruction of the CPU or FPHA according to the reconstruction data. The routing management module 3 and the optical switching processing module 4 send the collected telemetry information to the control and reconstruction module 5. The control and reconstruction module 5 frames the telemetry information and sends it to the platform device through the control interface processing module 6. The service data enters the electrical switching processing module 2 through the optical interface processing module 1; Part of the service data undergoes fine-grained electrical switching in the electrical switching processing module 2 according to the control information sent by the routing management module 3. Part of the service data enters the optical switching processing module 4 for all-optical switching according to the control information. The switched data is then transmitted to other devices through the optical interface processing module 1.

[0014] The optical interface processing module 1 includes an optical fiber connector a 1-1, a 4-channel 10GE parallel optical transceiver module 1-2, an optical fiber connector b 1-3, a 4-channel 25GE parallel optical transceiver module 1-4, a network port 1-5, a gigabit PHY chip 1-6, and a switching chip 1-7. The embodiment is in accordance with Figure 2 the connection lines. The optical fiber connector a 1-1 is used to transmit and receive 4-channel 10GE optical signals. The 4-channel 10GE parallel optical transceiver module 1-2 performs parallel conversion of 4-channel 10GE optical and electrical signals. The optical fiber connector b 1-3 is used to transmit and receive 4-channel 25GE optical signals. The 4-channel 25GE parallel optical transceiver module 1-4 performs parallel conversion of 4-channel 25GE optical and electrical signals. The network port 1-5 is used to transmit and receive gigabit Ethernet signals. The gigabit PHY chip 1-6 mainly realizes data encoding and decoding and signal conversion. The 4-channel 10GE signals passing through the optical fiber connector a 1-1 and the 4-channel 10GE parallel optical transceiver module 1-2, the 4-channel 25GE signals passing through the optical fiber connector b 1-3 and the 4-channel 25GE parallel optical transceiver module 1-4, and the gigabit Ethernet signals passing through the network port 1-5 and the gigabit PHY chip 1-6 enter the switching chip 1-7 for on-demand switching of different service data. After the switching is completed, it is re-framed and then forwarded.

[0015] The optical switching processing module 4 includes a low-frequency connector 4-1, a microprocessor 4-2, a drive control array 4-3, an optical path switching module 4-4, and an optical fiber connector c 4-5. The embodiment is in accordance with Figure 3 the connection lines. The low-frequency connector 4-1 mainly transmits and receives remote control and telemetry data. The microprocessor 4-2 mainly completes the parsing and forwarding of control data, the collection, framing, and forwarding of telemetry data. The drive control array 4-3 selects a DA chip as the drive chip to generate a drive voltage according to the control signal. The main function of the optical path switching module 4-4 is to reflect the optical signal at the input end to the specified output port for output under the action of the drive control array. The optical fiber connector c 4-5 mainly transmits and receives optical signals. The optical signal enters the optical path switching module 4-4 through the optical fiber connector c 4-5. The optical path switching module 4-4 reflects the optical signal at the input end to the specified output port according to the control drive voltage generated by the drive control array 4-3, and then completes the optical signal output through the optical fiber connector c 4-5.

[0016] Implementation principle: The on-board general optical circuit routing and switching device can achieve efficient conversion, routing, and switching functions of optical and electrical signals, and support functions such as remote control parsing and forwarding, telemetry framing and downlink, and on-orbit reconfiguration. The optical interface processing module 1 mainly realizes the reception and transmission of optical signals at multiple rates, as well as the conversion between optical and electrical signals; the electrical switching processing module 2 supports the 400Gbps Ethernet core switching function; the routing management module 3 supports the deployment of a routing protocol stack and mainly realizes routing service functions; the optical switching processing module 4 mainly completes the non-blocking all-optical switching function of 16×16 scale; the control and reconfiguration module 5 mainly realizes functions such as CPU reconfiguration, remote control and telemetry of the whole machine, and CPU power-on and power-off timing control; the control interface processing module 6 mainly realizes the interface conversion of control data and reconfiguration data to the outside; the power supply network 7 mainly converts the input power supply into the power supply required by the chip.

Claims

1. A spaceborne general optical circuit routing and switching device, characterized in that Optical interface processing module (1), electrical switching processing module (2), routing management module (3), optical switching processing module (4), control reconstruction module (5) and control interface processing module (6); Control data and reconstruction data are input from the control interface processing module (6) to the control reconstruction module (5). After parsing the control data and reconstruction data, the control reconstruction module (5) distributes them to the routing management module (3) and the optical switching processing module (4). The routing management module (3) and the optical switching processing module (4) generate control information according to the control data and complete the reconstruction of the CPU or FPGA according to the reconstruction data. The routing management module (3) and the optical switching processing module (4) send the collected telemetry information to the control reconstruction module (5). The control reconstruction module (5) frames the telemetry information and sends it to the platform device through the control interface processing module (6). Service data enters the electrical switching processing module (2) through the optical interface processing module (1); Some service data performs fine-grained electrical switching in the electrical switching processing module (2) according to the control information sent by the routing management module (3). Some service data enters the optical switching processing module (4) to perform all-optical switching according to the control information. The switched data is then transmitted to other devices through the optical interface processing module (1).

2. The on-board general optical circuit switching device according to claim 1, wherein The optical interface processing module (1) includes an optical fiber connector a (1-1), a 4-channel 10GE parallel optical transceiver module (1-2), an optical fiber connector b (1-3), a 4-channel 25GE parallel optical transceiver module (1-4), a network port (1-5), a gigabit PHY chip (1-6) and a switching chip (1-7); The optical fiber connector a (1-1) is used to receive and transmit 4-channel 10GE optical signals; the 4-channel 10GE parallel optical transceiver module (1-2) performs parallel conversion of 4-channel 10GE optical and electrical signals; the optical fiber connector b (1-3) is used to receive and transmit 4-channel 25GE optical signals; the 4-channel 25GE parallel optical transceiver module (1-4) performs parallel conversion of 4-channel 25GE optical and electrical signals; the network port (1-5) is used to receive and transmit gigabit Ethernet signals; the gigabit PHY chip (1-6) is used for data encoding / decoding and signal conversion; the switching chip (1-7) is used to complete the on-demand switching function of different Ethernet service data; The 4-channel 10GE signals passing through the optical fiber connector a (1-1) and the 4-channel 10GE parallel optical transceiver module (1-2), the 4-channel 25GE signals passing through the optical fiber connector b (1-3) and the 4-channel 25GE parallel optical transceiver module (1-4), and the gigabit Ethernet signals passing through the network port (1-5) and the gigabit PHY chip (1-6) enter the switching chip (1-7) to perform the on-demand switching function of different service data. After the switching is completed, it is re-framed and then forwarded.

3. The on-board general optical circuit switching device according to claim 1, characterized in that, The optical switching processing module (4) includes a low-frequency connector (4-1), a microprocessor (4-2), a drive control array (4-3), an optical path switching module (4-4) and an optical fiber connector c (4-5); The low-frequency connector (4-1) is used for receiving and transmitting remote control and telemetry data; the microprocessor (4-2) is used to complete the functions of parsing and forwarding control data, collecting, framing, and forwarding telemetry data; the drive control array (4-3) selects a DA chip as the drive chip and generates a drive voltage according to the control signal; the function of the optical path switching module (4-4) is to reflect the optical signal at the input end to the specified output port for output under the action of the drive control array; the optical fiber connector c (4-5) is used for transmitting and receiving optical signals. The control signal enters the microprocessor (4-2) through the low-frequency connector (4-1). After the microprocessor (4-2) parses the control signal, it is sent to the drive control array (4-3), and the drive control array (4-3) generates a control drive voltage according to the control signal; the optical signal enters the optical path switching module (4-4) through the optical fiber connector c (4-5). The optical path switching module (4-4) reflects the optical signal at the input end to the specified output port according to the control drive voltage generated by the drive control array (4-3), and then completes the optical signal output through the optical fiber connector c (4-5).

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