Results 161 to 170 of about 34,163 (302)

Orbital Angular Momentum-based Space Division Multiplexing for High-capacity Underwater Optical Communications. [PDF]

open access: yesSci Rep, 2016
Ren Y   +16 more
europepmc   +1 more source

Space Division Multiplexing for optical fiber communications

open access: yes, 2014
Promet v podatkovnih omrežjih hitro narašča. To omogoča velika zmogljivost optičnega vlakna in napredni modulacijski postopki. Vendar pa se približujemo točki, ko aktualne tehnologije in oprema brez nadgradnje temu ne bodo zadoščale.
SUŠIN, JURE
core  

Updatable Closed‐Form Evaluation of Arbitrarily Complex Multiport Network Connections

open access: yesAdvanced Electronic Materials, EarlyView.
The inverse design of electrically large wave devices often uses reduced‐order multiport models with discrete optimization, requiring many evaluations of complex interconnections between subsystems that differ only in a few blocks. This paper introduces a closed‐form framework enabling efficient Woodbury low‐rank updates of related, previous ...
Hugo Prod'homme, Philipp del Hougne
wiley   +1 more source

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

open access: yesAdvanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang   +9 more
wiley   +1 more source

Performance of SDMA Multi-User Detection Techniques for Walsh-Hadamard-Spread OFDM Schemes

open access: yes, 2001
Multiple reception antenna assisted Space Division Multiple Access (SDMA) techniques designed for wireless OFDM systems have recently drawn wide interests. These techniques facilitate the implementation of effective multi-user detection algorithms at the
Münster, M., Hanzo, L.
core  

Fundamental Challenges, Physical Implementations, and Integration Strategies for Ising Machines in Large‐Scale Optimization Tasks

open access: yesAdvanced Electronic Materials, EarlyView.
Ising machines are emerging as specialized hardware solvers for computationally hard optimization problems. This review examines five major platforms—digital CMOS, analog CMOS, emerging devices, coherent optics, and quantum systems—highlighting physics‐rooted advantages and shared bottlenecks in scalability and connectivity.
Hyunjun Lee, Joon Pyo Kim, Sanghyeon Kim
wiley   +1 more source

Robust Data Center Network Design using Space Division Multiplexing

open access: yes, 2018
With the ever-increasing demand for data transmission in our generation where Internet and cloud concepts play a vital role, it has become essential that we handle data in a most efficient way.
Biswas, Ankita
core  

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