A satellite-borne universal optoelectronic routing and switching device

Abstract

The present invention discloses a satellite-borne universal optoelectronic routing and switching device, belonging to the field of satellite-to-ground communication technology. The device comprises an optical interface processing module, an electrical switching processing module, a routing management module, an optical switching processing module, a control reconstruction module, and a control interface processing module. This invention relates to the design technology of a satellite-borne universal optoelectronic routing and switching device. The optical interface processing module primarily implements the reception and transmission of optical signals at various rates, as well as the conversion of optoelectronic signals. The electrical switching processing module supports 400Gbps Ethernet core switching functions. The routing management module supports the deployment of routing protocol stacks and primarily implements routing service functions. The optical switching processing module primarily performs 16×16 non-blocking all-optical switching functions. The control reconstruction module primarily implements CPU reconstruction, remote control and telemetry of the entire machine, and CPU power-off timing control. The present invention achieves efficient conversion, routing, and switching of optical and electrical signals, meeting the requirements of large-capacity, low-latency, and flexible networking for space communications.

Description

Technical Field

[0001] The present invention relates to the technical field of satellite-to-ground communication, and in particular to a satellite-borne universal optoelectronic routing and switching device. Background Art

[0002] With the rapid development of communications technology, information globalization has become a pressing need for human development, posing the challenges of next-generation communications technology. Optical-electrical routing and switching payloads, the core of satellite payloads, are no longer able to meet the demands of high bandwidth, low latency, and flexible networking. Ethernet, with its maturity, high throughput, and standardization, has become a preferred solution for satellite-based networks. The onboard universal optical-electrical routing and switching device is a new technological innovation. It utilizes radiation-hardened chips to combat ionizing radiation in space, and uses coordinated electrical and optical switching to address the needs of high-capacity, low-latency, and flexible networking in space communications. Summary of the Invention

[0003] The present invention aims to provide a universal onboard optoelectronic routing and switching device. This device utilizes a universal and modular design to standardize, enhance flexibility, and improve compactness of payload equipment, resulting in higher speed, greater intelligence, and lower costs. It utilizes coordinated processing in the optical and electrical domains to achieve high-speed, low-latency, flexible, and reconfigurable communications in space.

[0004] The object of the present invention is achieved like this:

[0005] A satellite-borne universal optoelectronic routing and switching device, comprising an optical interface processing module, an electrical switching processing module, a routing management module, an optical switching processing module, a control reconstruction module, and a control interface processing module;

[0006] Control data and reconstruction data are input from the control interface processing module to the control reconstruction module. The control reconstruction module parses the control data and reconstruction data and 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 based on the control data and complete the CPU or FPGA reconstruction based on the reconstruction data. The routing management module and the optical switching processing module send the collected telemetry information to the control reconstruction module. The control reconstruction module frames the telemetry information and sends it to the platform equipment through the control interface processing module. The service data enters the electrical switching processing module through the optical interface processing module.

[0007] Part of the business data undergoes fine-grained electrical switching in the electrical switching processing module based on the control information sent by the routing management module. Part of the business data enters the optical switching processing module and undergoes all-optical switching based on the control information. The switched data is then transmitted to other devices through the optical interface processing module.

[0008] 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 switch chip;

[0009] The optical fiber connector a is used to transmit and receive four 10GE optical signals; the four-channel 10GE parallel optical transceiver integrated optical module performs parallel conversion of four 10GE optical and electrical signals; the optical fiber connector b is used to transmit and receive four 25GE optical signals; the four-channel 25GE parallel optical transceiver integrated optical module performs parallel conversion of four 25GE optical and electrical signals; the network port is used to transmit and receive Gigabit Ethernet signals; the Gigabit PHY chip is used for data encoding and decoding and signal conversion; and the switching chip is used to complete the on-demand switching function of different Ethernet service data;

[0010] The four 10GE signals passing through optical connector a and the four-channel 10GE parallel optical transceiver module, the four 25GE signals passing through optical connector b and the four-channel 25GE parallel optical transceiver module, and the Gigabit Ethernet signals 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, they are reframed and forwarded.

[0011] Furthermore, 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;

[0012] The low-frequency connector transmits and receives remote control and telemetry data; the microprocessor is used to parse and forward control data, and collect, frame, and forward telemetry data; the drive control array uses a DA chip as the driver chip, which generates a drive voltage based on the control signal; the optical path switching module is used to reflect the input optical signal to the designated output port under the action of the drive control array; the optical fiber connector C transmits and receives optical signals;

[0013] 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 based on 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 designated output port based on the control drive voltage generated by the drive control array, and then completes the optical signal output through the optical fiber connector c.

[0014] Compared with the background technology, the present invention has the following advantages:

[0015] 1. The present invention adopts universal Ethernet switching technology and combines the flexibility of electrical switching with the large capacity of optical switching. The optical and electrical signals are processed in a coordinated manner to achieve large-capacity, low-latency, and flexible networking communications.

[0016] 2. The present invention adopts universal and modular design to achieve standardization, flexibility and compactness of payload equipment, thereby improving the efficiency, speed and cost-effectiveness of payload products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an electrical principle block diagram of an embodiment of the present invention.

[0018] Figure 2 This is an electrical principle block diagram of the optical interface processing module of the present invention.

[0019] Figure 3 This is a block diagram of the electrical principle of the optical switching processing module of the present invention. DETAILED DESCRIPTION

[0020] The present embodiment is further described below with reference to the accompanying drawings:

[0021] Reference Figure 1 , a satellite-borne universal optoelectronic 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 reconstruction module 5, a control interface processing module 6, and a power supply network 7; Figure 1 This is an electrical schematic diagram of an embodiment of a satellite-borne universal optoelectronic routing and switching device of this embodiment.

[0022] A satellite-borne universal optoelectronic routing and switching device comprises an optical interface processing module 1 that primarily implements the reception and transmission of optical signals at various rates, as well as the conversion of optoelectronic signals; an electrical switching processing module 2 that supports 400Gbps Ethernet core switching; a routing management module 3 that supports the deployment of routing protocol stacks and primarily implements routing service functions; an optical switching processing module 4 that primarily implements 16×16 non-blocking all-optical switching functions; a control reconstruction module 5 that primarily implements CPU reconstruction, remote control and telemetry of the entire device, and CPU power-on and power-off timing control; a control interface processing module 6 that primarily implements external interface conversion of control data and reconstruction data; and a power supply network 7 that primarily converts input power into the power supply required by the chip.

[0023] Control data and reconstruction data are input from the control interface processing module 6 to the control reconstruction module 5. The control reconstruction module 5 parses the control data and distributes it 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 based on the control data and complete CPU or FPHA reconstruction based on 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.

[0024] Part of the business 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, and part of the business data enters the optical switching processing module 4 and undergoes all-optical switching according to the control information. The switched data is then transmitted to other devices through the optical interface processing module 1.

[0025] The optical interface processing module 1 includes an optical fiber connector a 1-1, a 4-way 10GE parallel optical transceiver integrated optical module 1-2, an optical fiber connector b 1-3, a 4-way 25GE parallel optical transceiver integrated optical module 1-4, a network port 1-5, a Gigabit PHY chip 1-6, and a switch chip 1-7. Figure 2 Connection lines. Fiber optic connector a 1-1 transmits and receives four 10GE optical signals. Four-way 10GE parallel optical transceiver module 1-2 performs parallel conversion between four 10GE optical and electrical signals. Fiber optic connector b 1-3 transmits and receives four 25GE optical signals. Four-way 25GE parallel optical transceiver module 1-4 performs parallel conversion between four 25GE optical and electrical signals. Network ports 1-5 transmit and receive Gigabit Ethernet signals. Gigabit PHY chips 1-6 primarily perform data encoding and decoding and signal conversion. The four 10GE signals passing through fiber optic connector a 1-1 and four-way 10GE parallel optical transceiver module 1-2, the four 25GE signals passing through fiber optic connector b 1-3 and four-way 25GE parallel optical transceiver module 1-4, and the Gigabit Ethernet signals passing through network ports 1-5 and Gigabit PHY chips 1-6 enter switching chip 1-7 for on-demand switching of different service data. After switching, the data is reframed and forwarded.

[0026] 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. Figure 3 Connecting lines. Low-frequency connector 4-1 primarily transmits and receives remote control and telemetry data. Microprocessor 4-2 primarily performs control data parsing and forwarding, and telemetry data collection, framing, and forwarding. Drive control array 4-3 uses a DA chip as a driver chip and generates a drive voltage based on the control signal. Optical path switching module 4-4, under the action of the drive control array, reflects the input optical signal to the designated output port for output. Fiber optic connector C 4-5 primarily transmits and receives optical signals. Optical signals enter optical path switching module 4-4 through optical fiber connector C 4-5. Optical path switching module 4-4, based on the control drive voltage generated by drive control array 4-3, reflects the input optical signal to the designated output port, and then outputs the optical signal through optical fiber connector C 4-5.

[0027] Implementation principle: The onboard universal optoelectronic routing and switching device can realize the efficient conversion, routing and switching functions of optical and electrical signals, and supports remote control analysis and forwarding, telemetry framing and downlink, on-orbit reconstruction and other functions. The optical interface processing module 1 mainly realizes the reception and transmission of optical signals of various rates, as well as the conversion of optoelectronic signals; the electrical switching processing module 2 supports 400Gbps Ethernet core switching functions; the routing management module 3 supports the deployment of routing protocol stacks, mainly realizing routing service functions; the optical switching processing module 4 mainly completes the 16×16 scale non-blocking all-optical switching function; the control reconstruction module 5 mainly realizes the reconstruction of the CPU, remote control and telemetry of the entire machine, and CPU power-off timing control and other functions; the control interface processing module 6 mainly realizes the external interface conversion of control data and reconstruction data; the power supply network 7 mainly converts the input power into the power supply required by the chip.

Claims

1. A satellite-borne universal optoelectronic routing and switching device, characterized in that: 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 reconstruction module (5), and a control interface processing module (6); The control data and the reconstruction data are inputted from the control interface processing module (6) to the control reconstruction module (5). The control reconstruction module (5) parses the control data and the reconstruction data and 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). The service data enters the electrical switching processing module (2) through the optical interface processing module (1). Part of the service data is subjected to fine-grained electrical switching in the electrical switching processing module (2) according to control information sent by the routing management module (3) to the electrical switching processing module (2); part of the service data enters the optical switching processing module (4) and is subjected to full optical switching according to the control information; the switched data is then transmitted to other devices through the optical interface processing module (1); The optical interface processing module (1) comprises an optical fiber connector a (1-1), a 4-way 10GE parallel optical transceiver integrated optical module (1-2), an optical fiber connector b (1-3), a 4-way 25GE parallel optical transceiver integrated optical 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 for transmitting and receiving 4-way 10GE optical signals; the 4-way 10GE parallel optical transceiver integrated optical module (1-2) performs parallel conversion of the 4-way 10GE optical and electrical signals; the optical fiber connector b (1-3) is used for transmitting and receiving 4-way 25GE optical signals; the 4-way 25GE parallel optical transceiver integrated optical module (1-4) performs parallel conversion of the 4-way 25GE optical and electrical signals; the network port (1-5) is used for transmitting and receiving Gigabit Ethernet signals; the Gigabit PHY chip (1-6) is used for data encoding and decoding and signal conversion; and the switching chip (1-7) is used for completing the on-demand switching function of different Ethernet service data. The four 10GE signals passing through the optical fiber connector a (1-1) and the four 10GE parallel optical transceiver module (1-2), the four 25GE signals passing through the optical fiber connector b (1-3) and the four 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, the data is reframed and forwarded. The optical switching processing module (4) comprises 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) transmits and receives remote control and telemetry data; the microprocessor (4-2) is used to parse and forward control data, and collect, frame, and forward telemetry data; the drive control array (4-3) uses a DA chip as a driver chip to generate a drive voltage based on 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 designated output port under the action of the drive control array; the optical fiber connector c (4-5) transmits and receives optical signals; The control signal enters the microprocessor (4-2) through the low-frequency connector (4-1). The microprocessor (4-2) analyzes the control signal and sends it to the drive control array (4-3). 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 designated 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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