Abstract
In order to achieve remote interconnection between ethernet and 30-channel pulse code modulation (E1) heterogeneous networks, an ethernet mapping high-level data link control (HDLC) circuit is designed. The design adopts a “top-down” design approach by encapsulating ethernet frames into HDLC frames, dividing the design into two modules: transmit and receive, and then into encapsulation and decapsulation modules according to specific functions. Different from the traditional design, this paper proposes a new design idea and adds four modules: cyclic redundancy check 32 (CRC32) generation, CRC32 checking, insertion error and error monitoring. Verilog description language is used for circuit design, and modelsim is used for functional simulation. The simulation verifies that the ethernet data is recovered from the original ethernet data after a series of processing by HDLC encapsulation and decapsulation modules.
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Lv, M., Huang, H., Li, X. (2022). An Ethernet Mapping High-Level Data Link Control Circuit Design. In: Xie, Q., Zhao, L., Li, K., Yadav, A., Wang, L. (eds) Advances in Natural Computation, Fuzzy Systems and Knowledge Discovery. ICNC-FSKD 2021. Lecture Notes on Data Engineering and Communications Technologies, vol 89. Springer, Cham. https://doi.org/10.1007/978-3-030-89698-0_122
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DOI: https://doi.org/10.1007/978-3-030-89698-0_122
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