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High-performance data exchange system and method based on AXI4 Stream interface protocol

A data exchange and interface protocol technology, applied in data exchange networks, digital transmission systems, transmission systems, etc., can solve problems such as switching performance degradation, and achieve the effects of great flexibility, simple protocol, and good compatibility

Inactive Publication Date: 2020-12-11
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When the number of data ports increases, its switching performance drops significantly

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  • High-performance data exchange system and method based on AXI4 Stream interface protocol
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  • High-performance data exchange system and method based on AXI4 Stream interface protocol

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Embodiment Construction

[0031] Embodiments of the present invention will be described in detail below in conjunction with examples, but those skilled in the art will understand that the following examples are only used to illustrate the present invention, and should not be considered as limiting the scope of the present invention.

[0032] (1) A high-performance data exchange system based on the AXI4 Stream interface protocol, including: AXI4 Stream input interface, input node buffer virtual output queue module, input arbitration scheduling module, switching matrix, output arbitration scheduling module, output node buffer module and AXI4 Stream output interface;

[0033]Wherein, there are multiple AXI4 Stream input interfaces, and the output end of each AXI4 Stream input interface is correspondingly connected with a set of input node cache virtual output queue modules, and each set of input node cache virtual output queue modules contains multiple input node caches Virtual output queue; the output en...

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Abstract

The invention discloses a high-performance data exchange system and method based on an AXI4 Stream interface protocol. The system comprises a plurality of AXI4 Stream input interfaces, and the outputend of each AXI4 Stream input interface is connected with a group of input node cache virtual output queue modules; the output end of each group of input node cache virtual output queue modules is connected with the input end of a switching matrix, and each group of input node cache virtual output queue modules is provided with an independent input arbitration scheduling module; the switching matrix is added into a cache at a cross node, and the output end of the switching matrix is connected with a plurality of groups of output node cache modules; the output end of each group of output node cache modules is connected with an AXI4 Stream output interface; and each group of output node cache modules is provided with an independent output arbitration scheduling module. According to the dataexchange system and method, better compatibility and high data throughput can be achieved, the design flexibility is improved, and the board card design cost is reduced.

Description

technical field [0001] The invention relates to the field of radar data transmission, in particular to a high-performance data exchange system and method based on the AXI4 Stream interface protocol, which is used in a radar signal processor. Background technique [0002] The radar signal processor has been developed for a long time, and its various aspects of technology are relatively mature. With the improvement of the performance of various signal processing devices, complex high-speed real-time radar signal processing systems have been realized, and the corresponding data interaction requirements between boards and chassis are getting higher and higher. key to digital signal processing systems. In today's high-speed real-time signal processing system. The data objects involved tend to be diversified. These different types of data often require data exchange and transmission between different functional modules or boards in the radar signal processing system, and these d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/863H04L12/937H04L12/861
CPCH04L49/254H04L49/90H04L47/6215
Inventor 王虹现赵旭辉谭高伟庞文彬
Owner XIDIAN UNIV
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