Design And Implementation of a Digital Secure Code-Shifted Reference UWB Transmitter and Receiver

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Baburao Silumula, Miriyam Nanditha, Koudadarla Vandana, Kunchala Raja Nikhitha, Lokani Bhanusree

Abstract

This paper introduces the concept of overloaded CSRU (Cyclic Shift Register with Accumulator) crossbars as a physical layer solution for Network-on-Chip (NoC) routers. The overloaded CSRU approach enhances channel capacity by utilizing nonorthogonal codes. Two crossbar architectures, namely T-OCI and P-OCI, are proposed to increase the CSRU crossbar capacity by 100% and 2N× 100%, respectively, where N represents the length of the spreading code.


The paper leverages the properties of the Walsh spreading code family, commonly used in conventional CSRU crossbars, to enable a larger number of router ports to share the crossbar without modifying the simple accumulator decoder architecture of the traditional CSRU crossbar. The paper presents procedures for generating nonorthogonal spreading codes and describes the reference and pipelined architectures for each crossbar variant. Both T-OCI and P-OCI crossbars are implemented, and their performance is compared to that of the conventional CSRU crossbar.


The evaluation shows that the T-OCI crossbar achieves a 45% reduction in dynamic power consumption compared to the conventional CSRU crossbar, while the P-OCI crossbar experiences a 133% increase in dynamic power consumption. Furthermore, the T-OCI crossbar utilizes 31% fewer resources, whereas the P-OCI crossbar requires 400% more resources compared to the conventional CSRU crossbar.

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How to Cite
Baburao Silumula, Miriyam Nanditha, Koudadarla Vandana, Kunchala Raja Nikhitha, Lokani Bhanusree. (2023). Design And Implementation of a Digital Secure Code-Shifted Reference UWB Transmitter and Receiver. Turkish Journal of Computer and Mathematics Education (TURCOMAT), 14(03), 250–259. https://doi.org/10.17762/turcomat.v14i03.13961
Section
Research Articles