Results 21 to 30 of about 8,848 (139)

Numerical analysis of queuing delay in cyclic bandwidth allocation TDMA system

open access: yesElectronics Letters, 2014
A model of the queue operation in a cyclic bandwidth allocation time division multiple access (TDMA) system is proposed and formulas to estimate the queuing delay from the model are derived. In the queue modelling, a cyclic bandwidth allocation algorithm is used, which allocates the bandwidth periodically for multiple access control.
Hyun‐Kyun Choi   +2 more
openaire   +3 more sources

Broadband Cyclic-Symmetric Magnetless Circulators and Theoretical Bounds on Their Bandwidth

open access: yesIEEE Transactions on Microwave Theory and Techniques, 2018
In this paper, we explore theoretically and experimentally broadband spatiotemporally modulated (STM) magnet-less circulators realized by combining three-port non-reciprocal junctions with three identical bandpass filters. We develop a rigorous theory for the proposed circuit, which allows to optimize their design and to derive a global bound on the ...
Ahmed Kord   +3 more
openaire   +4 more sources

The bandwidth minimization problem for cyclic caterpillars with hair length 1 is NP-complete

open access: yesTheoretical Computer Science, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +3 more sources

Carrier Synchronous Signal Averaging for Trending Casing Crack Propagation in Planetary Gearbox [PDF]

open access: yesSensors
Cracks in planetary gearbox casings generate additional vibration responses, which may be used for monitoring structural degradations. This paper provides a signal processing framework to effectively track casing crack-related features in planetary ...
Nader Sawalhi, Wenyi Wang
doaj   +2 more sources

Energy-Efficient Sleep-Aware Slicing-Based Scheduler (SA-SBS) for Multi-Operators Virtualized Passive Optical Networks

open access: yesIEEE Access, 2023
Due to the long reach of the next-generation passive optical network (PON), the idea of sharing infrastructure between multiple PON operators has emerged to reduce capital and operational expenditures. However, the standard transmission convergence layer
Khalid H. Mohammadani   +4 more
doaj   +1 more source

An OFDM-Based Frequency Domain Equalization Algorithm for Underwater Acoustic Communication with a High Channel Utilization Rate

open access: yesJournal of Marine Science and Engineering, 2023
The underwater acoustic communication technique for high-speed and highly reliable information transmission in the ocean has been one of the popular research focuses facing the fast-growing information technology sector and the accelerating development ...
Chengxu Feng   +3 more
doaj   +1 more source

Broadband Hybrid Precoding Scheme Based on Cyclic Delay in Terahertz Communications

open access: yesIEEE Access, 2021
The terahertz communication system with traditional hybrid precoding structure has the problem of beam diffusion. This problem leads to the serious loss of achievable rate and offsets the performance gain caused by bandwidth increase, so a broadband ...
Lei Xu   +4 more
doaj   +1 more source

OFDM system with cyclostationary feature detection spectrum sensing

open access: yesICT Express, 2019
In Orthogonal Frequency Division Multiplexing OFDM, a cyclic prefix (CP) is applied to reduce the intervention between symbols. The CP results in bandwidth wastage, and the solution to this problem leads to the cognitive radio.
Arun Kumar, NandhaKumar P.
doaj   +1 more source

Nonparametric Interference Suppression Using Cyclic Wiener Filtering: Pulse Shape Design and Performance Evaluation

open access: yesEURASIP Journal on Wireless Communications and Networking, 2008
In the future, there will be a growing need for more flexible but efficient utilization of radio resources. Increased flexibility in radio transmission, however, yields a higher likelihood of interference owing to limited coordination among users.
Anass Benjebbour   +2 more
doaj   +2 more sources

Design and Implementation of an Effective Chip-to-chip Interconnection Protocol [PDF]

open access: yesJisuanji gongcheng, 2018
Complex routing architecture in traditional chip-to-chip interconnect protocols always result in low operating frequency.Therefore,this paper proposes a multi-layer point-to-point serial interconnect protocol.The protocol employs layered architecture to ...
LI Peinan,XUE Ping,LIN Chen,JIANG Yinping,MENG Hongyu
doaj   +1 more source

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