Multivaluedness in Networks: Shannon’s Noisy-Channel Coding Theorem

Wyk, M.A. van; Li, Ping; Chen, Guanrong

doi:10.1109/tcsii.2021.3074925

Cited by 10 publications

(4 citation statements)

References 9 publications

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“…The fact that noise attenuates signal resolution and the capacity of digital communication channels (e.g., Diggavi and Cover, 2001;van Wyk et al, 2021) is well known since Shannon's (1949) brains (Manwani and Koch, 1999;Deco et al, 2009;Ferguson and Cardin, 2020) of the human information senders and receivers. It is, therefore, important to consider mechanisms that regulate neural information processing fidelity and how they may change during brain development and aging, since the new TI and related technologies envision to support broad populations of users.…”

Section: Noise In Digital Communication and Neuronal Gain Control Of ...mentioning

confidence: 99%

Digitally embodied lifespan neurocognitive development and Tactile Internet: Transdisciplinary challenges and opportunities

Fitzek²

2023

Front. Hum. Neurosci.

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Mechanisms underlying perceptual processing and inference undergo substantial changes across the lifespan. If utilized properly, technologies could support and buffer the relatively more limited neurocognitive functions in the still developing or aging brains. Over the past decade, a new type of digital communication infrastructure, known as the “Tactile Internet (TI),” is emerging in the fields of telecommunication, sensor and actuator technologies and machine learning. A key aim of the TI is to enable humans to experience and interact with remote and virtual environments through digitalized multimodal sensory signals that also include the haptic (tactile and kinesthetic) sense. Besides their applied focus, such technologies may offer new opportunities for the research tapping into mechanisms of digitally embodied perception and cognition as well as how they may differ across age cohorts. However, there are challenges in translating empirical findings and theories about neurocognitive mechanisms of perception and lifespan development into the day-to-day practices of engineering research and technological development. On the one hand, the capacity and efficiency of digital communication are affected by signal transmission noise according to Shannon’s (1949) Information Theory. On the other hand, neurotransmitters, which have been postulated as means that regulate the signal-to-noise ratio of neural information processing (e.g., Servan-Schreiber et al., 1990), decline substantially during aging. Thus, here we highlight neuronal gain control of perceptual processing and perceptual inference to illustrate potential interfaces for developing age-adjusted technologies to enable plausible multisensory digital embodiments for perceptual and cognitive interactions in remote or virtual environments.

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Section: Noise In Digital Communication and Neuronal Gain Control Of ...mentioning

confidence: 99%

Digitally embodied lifespan neurocognitive development and Tactile Internet: Transdisciplinary challenges and opportunities

Fitzek²

2023

Front. Hum. Neurosci.

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“…real system that operates the TPSS with three substations and two trains in real-time (with 50 us steps) and communicates with HC via the Ethernet. Additionally, the EFS controller prototype utilizes FPGA/IO (with 1us steps), following the principles of the Shannon sampling theory [42]. The system parameters of the simulation platform are shown in Table 3.…”

Section: Design Of Simulation Platform and System Parametermentioning

confidence: 99%

Hierarchical Operation Optimization for Regenerative Braking Energy Utilizing in Urban Rail Traction Power Supply System

Zhang,

Zhou

et al. 2023

Energies

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The energy feedback system (EFS) is widely accepted to utilize the regenerative braking energy (RBE) in an urban rail traction power supply system (TPSS). However, the sharing relationship of RBE between EFS, traction trains and on-board braking resistors is not clear. In addition, the impact of EFS operation on the sharing of RBE has been rarely studied. This paper proposed a hierarchical operation optimization method for improving the utilization of shared RBE in TPSS through the EFS. An optimizing model for the dynamic start-up voltage threshold of EFS is established, with the objective of minimizing TPSS power consumption. A fast prediction model of train operation information is developed to analyze the steady-state power flow in advance. The optimal solution is searched using a salp swarm algorithm (SSA) on a per second basis. A microsystem of three traction stations and two trains is analyzed. Compared to the conventional constant voltage operation scheme, the optimal solution achieves a maximum additional energy-saving efficiency improvement of 2.44%. Efficient sharing of RBE is identified as the key to achieving energy savings. Regarding the local control part, system stability analysis is verified. Real-time simulation results indicate that the dynamic operating mode of EFS efficiently distributes RBE.

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“…In essence, spectral efficiency, a complex and challenging issue, is one of the most crucial factors in increasing data rates. Shannon's theorem [12][13][14][15][16] states that channel capacity is directly proportional to channel bandwidth. To this end, the carrier aggregation technique [17][18][19][20][21][22] has been extensively used in modern mobile communication networks and Wi-Fi networks.…”

Section: Introductionmentioning

confidence: 99%

In-band full-duplex dual-band transceiver based on single-core multiport architecture

Cheong,

TU,

Liu

et al. 2024

Preprint

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Ultra-fast and energy-efficient connections are the keys to future wireless communication technologies. However, even in full duplex communication systems, the accessible spectrum is portioned because up-links and down-links are set to occupy non-overlapping frequency channels. Here we report an unprecedented in-band full-duplex transceiver architecture, a significant departure from conventional designs. This architecture allows the up-links and down-links to co-exist in the same frequency bands with the same multiport network simultaneously. Leveraging the unique orthogonal properties of the multiport network in signal transmission and reception, we ensure a high degree of isolation between the two links. Our findings demonstrate that this in-band full-duplex dual-band communication system can achieve up to 1 gigabit per second when operating at sub-6 GHz. Furthermore, we show that this transceiver system exhibits excellent immunity to interference and extremely low fluctuations in bit error rates during communication.

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Multivaluedness in Networks: Shannon’s Noisy-Channel Coding Theorem

Cited by 10 publications

References 9 publications

Digitally embodied lifespan neurocognitive development and Tactile Internet: Transdisciplinary challenges and opportunities

Digitally embodied lifespan neurocognitive development and Tactile Internet: Transdisciplinary challenges and opportunities

Hierarchical Operation Optimization for Regenerative Braking Energy Utilizing in Urban Rail Traction Power Supply System

In-band full-duplex dual-band transceiver based on single-core multiport architecture

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