Results 71 to 80 of about 548,965 (280)

Innovative Power Allocation Strategy for NOMA Systems by Employing the Modified ABC Algorithm [PDF]

Radioengineering, 2022
Non-Orthogonal Multiple Access (NOMA) technique is a remarkable component of 5G wireless networks; since NOMA immensely augments the spectral efficiency and serves all users fairly. To accomplish these, efficient power allocation is crucial for improving
S. Sreenu, N. Kalpana
doaj  

Transparent Inorganic–Organic Bilayer Neural Electrode Array and Integration to Miniscope System for In Vivo Calcium Imaging and Electrophysiology

Advanced Functional Materials, EarlyView.
This study presents the BioCLEAR system, a highly transparent and conductive neural electrode array composed of silver nanowires (AgNWs) and doped PEDOT:PSS, enabling neural recordings with minimal optical artifacts. When integrated with a GRIN lens, this cost‐effective neural implant allows simultaneous electrophysiological recording and GCaMP6‐based ...
Dongjun Han, Kevin Cheng, Swathy Sampath Kumar, Anil Bollimunta, Elizabeth E. Torr, Juhwan Kim, Kyoungmin Kim, Hyungjun Choi, Seongkwon Hwang, Sarah Brodnick, David Cheng, Lindsay Gray, Yei Hwan Jung, William L. Murphy, Aaron J. Suminski, Jonathan J. Nassi, Justin C. Williams, Dong‐Wook Park   +17 more
wiley   +1 more source

Distributed resource allocation with imperfect spectrum sensing information and channel uncertainty in cognitive femtocell networks

EURASIP Journal on Wireless Communications and Networking, 2017
To meet the ever-increasing demands of mobile traffic, femtocells are considered as one of the promising solutions. In this paper, we study a sensing-based resource allocation scenario in cognitive femtocell networks and present an efficient distributed ...
Xiaoge Huang, Lin Shi, Chenlu Zhang, Dongyu Zhang, Qianbin Chen   +4 more
doaj   +1 more source

Fully Bio‐Based Gelatin Organohydrogels via Enzymatic Crosslinking for Sustainable Soft Strain and Temperature Sensing

Advanced Functional Materials, EarlyView.
Enzymatically crosslinked gelatin‐based organohydrogels, fabricated through a fully bio‐based and scalable process, exhibit exceptional strain and temperature sensing capabilities with minimal interference from environmental humidity. These transparent, stretchable, and ionically conductive materials operate without synthetic fillers or dopants.
Pietro Tordi, Adrián Tamayo, Yeonsu Jeong, Bin Han, Tamer Al Kayal, Aida Cavallo, Massimo Bonini, Paolo Samorì   +7 more
wiley   +1 more source

Power allocation and capacity optimization of multi-relay cooperative communication system in tunnel

Gong-kuang zidonghua, 2015
The multi-relay cooperative communication system model in rectangular tunnel based on multimode channel model was established, and the channel capacity calculation formulas of multi-relay cooperative communication system in amplify and forward mode and ...
ZHAI Wenyan, SUN Yanjing, LI Song, LIANG Dihui   +3 more
doaj   +1 more source

Toward Scalable Solutions for Silver‐Based Gas Diffusion Electrode Fabrication for the Electrochemical Conversion of CO2 – A Perspective

Advanced Functional Materials, EarlyView.
In this study, the preparation techniques for silver‐based gas diffusion electrodes used for the electrochemical reduction of carbon dioxide (eCO2R) are systematically reviewed and compared with respect to their scalability. In addition, physics‐based and data‐driven modeling approaches are discussed, and a perspective is given on how modeling can aid ...
Simon Emken, K. Ashoke Raman, Alexander Bauer, Violeta Karyofylli, Eva Jodat, André Karl, Rüdiger‐A. Eichel   +6 more
wiley   +1 more source

Power allocation of MIMO system with RF mismatch in TD-LTE power wireless private network

Dianxin kexue, 2018
With the development of smart distribution network,the power wireless private network using TD-LTE technology has gradually become a hot research topic.Among them,multiple-input multiple-output (MIMO) system is a key technology of TD-LTE power wireless ...
Bao FENG, Tao MA, Shilong CAI, Yang LI
doaj   +2 more sources

Optimal Resource Block Assignment and Power Allocation for D2D-Enabled NOMA Communication

IEEE Access, 2019
A novel joint optimization framework for device-to-device (D2D)-enabled non-orthogonal multiple access (NOMA) networks is proposed. Our objective is to maximize the performance of the D2D communication by jointly optimizing the resource block (RB ...
Jian Chen, Jie Jia, Yuanwei Liu, Xingwei Wang, Abdol Hamid Aghvami   +4 more
doaj   +1 more source

Optimal Bandwidth and Power Allocation for Sum Ergodic Capacity under Fading Channels in Cognitive Radio Networks

, 2010
This paper studies optimal bandwidth and power allocation in a cognitive radio network where multiple secondary users (SUs) share the licensed spectrum of a primary user (PU) under fading channels using the frequency division multiple access scheme.
Gong, Xiaowen, Tellambura, Chintha, Vorobyov, Sergiy A.   +2 more
core   +1 more source

Optimal Joint Rate and Power Allocation in CDMA Networks [PDF]

, 2007
In this paper we propose a polynomial time algorithm for the optimal rate and power allocation problem in a two cell CDMA network. We assume continuous rates and limited powers for the base stations.
Boucherie, R.J., Endrayanto, A.I., Gabor, A.F.   +2 more
openaire   +2 more sources