Time-sensitive network communication system and method based on SiPM sensor

A time-sensitive, network communication technology, applied in the transmission system, signal transmission system, digital transmission system, etc., can solve problems such as delay or even network collapse, data transmission accuracy and real-time interference, and increase network load

Inactive Publication Date: 2020-10-23
NANCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Universal Ethernet is currently the most widely used communication protocol, but Universal Ethernet communicates data in an asynchronous manner, while SiPM sensors need to send data at any time. Traditional Ethernet uses a random backoff mechanism to avo...

Method used

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  • Time-sensitive network communication system and method based on SiPM sensor
  • Time-sensitive network communication system and method based on SiPM sensor
  • Time-sensitive network communication system and method based on SiPM sensor

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Embodiment 1

[0046] Embodiment 1: Time-sensitive network communication system and method data acquisition process based on SiPM sensor

[0047] figure 1 It is an overall flowchart of the time-sensitive network communication system and method based on SiPM sensors, and the data acquisition process of the present invention is as follows:

[0048] S1: The SiPM power supply supplies power to the SiPM photoelectric conversion module. The SiPM photoelectric conversion module collects the photoelectric signal converted by the scintillation crystal module, and outputs the information of the photoelectric signal to the data acquisition module in the form of an analog signal, such as time, Amplitude etc.

[0049] S2: The inverting operational amplifier module inverts and amplifies the information, outputs it to the sampling module respectively, and performs multi-threshold sampling. The sampled scintillation pulse information is summarized to the FPGA main control unit.

[0050] S3: The FPGA main...

Embodiment 2

[0059] Embodiment 2: specific steps of time-sensitive network communication process based on SiPM sensor

[0060] Such as Figure 6 As shown, the TSN runtime protocol starts from the preparation for sending, and goes through five parts: resource reservation; control; classification; integrity and scheduling; redundancy and error recovery.

[0061] S1: When the scintillation pulse information is ready to be sent, it first declares the link resources it needs, and completes the reservation along the road through the resource reservation protocol. When the reservation is completed, it starts to send data.

[0062] S2: When each frame of data reaches the high-speed optical fiber communication module, the module will first control the data flow according to the reserved information, limit the data flow transmission beyond the reserved range, and avoid affecting other outgoing transmissions.

[0063] S3: The regulated flow will classify frames according to the set scheme. For examp...

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Abstract

The invention discloses a time-sensitive network communication system and method based on a SiPM sensor. The SiPM sensor and a data acquisition module are arranged as front-end acquisition equipment to receive information data of a scintillation pulse event, an FPGA main controller analyzes and operates the data, packages the data into UDP data, converts the UDP data into optical signals through an Ethernet PHY chip and a front-end SFP optical transceiver module, and sends the optical signals, a receiving end receives the optical signals and exchanges data with a server through a PCIE interface, the receiving and transmission rate of the receiving end can reach 4.00 Gbps, the sending rate of the receiving end is 3.85 Gbps, and large-data-volume information exchange can be provided. Based on the TSN specification, the real-time performance and stability of data can be ensured in information communication; and meanwhile, independent protocol standards are adopted for all protocols, goodcompatibility is achieved, and convenience is provided for later expansion and interconnection and intercommunication with other devices.

Description

technical field [0001] The invention relates to the field of photon imaging and optical communication, in particular to a time-sensitive network communication system and method based on SiPM sensors. Background technique [0002] SiPM (Silicon Photomultiplier, that is, silicon photomultiplier, hereinafter referred to as SiPM) is widely used in high-energy physics and nuclear medicine and other fields. Compared with traditional photoelectric conversion devices, such as photomultiplier tubes and avalanche photomultiplier tubes, SiPM has small dimensions, low power supply voltage, high gain, and is not easily affected by magnetic fields. As a digital photoelectric conversion device, SiPM can be A digital detector module with excellent performance and compact form factor is realized at a lower cost. [0003] Universal Ethernet is currently the most widely used communication protocol, but Universal Ethernet communicates data in an asynchronous manner, while SiPM sensors need to ...

Claims

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Application Information

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IPC IPC(8): G08C23/06G08C19/00H04L12/911H04L12/813H04L12/815H04L12/851H04L12/865H04L47/20H04L47/22H04L47/6275
CPCG08C23/06G08C19/00H04L47/72H04L47/245H04L47/2441H04L47/20H04L47/22H04L47/6275
Inventor 邓贞宙吕忠锰
Owner NANCHANG UNIV
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