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Computers, materials & continua/Computers, materials & continua (Print)

Controlled Quantum Network Coding Without Loss of Information

Xiu-Bo Pan, Xiu‐Bo Chen, Gang Xu, Haseeb Ahmad, Tao Shang, Zongpeng Li, Yixian Yang

Published Jan 1, 2021• 4 citations
Publisher

Abstract

Quantum network coding is used to solve the congestion problem in quantum communication, which will promote the transmission efficiency of quantum information and the total throughput of quantum network. We propose a novel co... | Find, read and cite all the research you need on Tech Science Press
DOI
10.32604/cmc.2021.017087

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The speed of verbal exchange has been advanced in cordless networks, which allow everybody to enter records and equipment. However, Wi-Fi channels needing to be more flexible can cause decreased throughput, loss of information, and potential long latencies. Quantum community coding algorithms are a hopeful paradigm to counter these problems as they reduce the impact of network imperfections, hence bringing about superior gadget efficiency. In other words, they help solve the issues of potential and error propagation by encoding data with quantum properties such as entanglement and superposition. This enables more messages on the same channel to be transmitted promptly, with higher throughput and lower latency. They also use the natural correlations present in Wi-Fi environments for more reliable communication, providing enhanced security and privacy. Quantum networking coding algorithms, if realized in wireless communications, may want to substantially revolutionize how we send data and allow a new technology of solid and comfortable networked systems.
Nowadays, network coding has been a very successful topic in information theory including many applications such as wireless networks while one of the simplest benefits is the efficient transmission in networks by allowing us to encode the transmitted information at every intermediate node. Since quantum information is much more expensive for communication than classical information, it was natural that this benefit made quantum researchers motivate the study of “quantum network coding.” This paper reports the current status of quantum network coding. At present, quantum network coding mostly means sending quantum information (rather than classical information) in a quantum network. Since quantum information cannot be cloned (the quantum no-cloning theorem), multiple unicast networks have been well-studied (in several settings). We present some of the known possibilities and limitations, and future works of quantum network coding, focusing on multiple unicast networks.
Quantum network coding is expected to enable multiple quantum data packets to be fused before the transmission via the bottleneck channel in order to improve the transmission efficiency and the total throughput of quantum networks. Although several quantum network coding schemes have been constructed, they are unable to meet the practical application requirements due to the fact that they lack a complete security solution. To tackle this issue, a practical secure quantum network coding scheme is constructed. Compared with existing methods, the proposed quantum network coding scheme is more practical and most importantly it can provide complete security against both information leakage and pollution attacks, which greatly contributes to global quantum communication networks.
This paper investigates the core methods of information encoding and decoding within quantum networks, aiming to enhance both the efficiency and security of quantum information transmission. We explore various encoding schemes, including amplitude encoding, phase encoding, and polarization encoding, alongside their corresponding decoding strategies. The core mechanism relies on manipulating quantum states to represent and transmit information securely. Our research focuses on optimizing these processes to mitigate the effects of noise and loss, critical challenges in long-distance quantum communication. We delve into error correction techniques specifically tailored for quantum systems, such as quantum error correction codes (QECCs) and their application in decoding. Furthermore, we examine the role of quantum key distribution (QKD) protocols as a fundamental decoding process, highlighting the security aspects derived from the laws of quantum mechanics. The ultimate goal is to provide a comprehensive overview of the current state-of-the-art in quantum network information encoding and decoding, paving the way for future advancements in quantum communication technologies.