Results 1 to 10 of about 2,034 (203)

Simulation of Miniature PDMA for Ultrafine-Particle Measurement [PDF]

open access: yesAtmosphere, 2019
The effect of the design and process parameters of a particle-classification zone on the sizing precision of a plate differential mobility analyzer (PDMA) was investigated by simulation software in this work. The design parameters consisted of the length,
Mingjie Chen   +9 more
doaj   +3 more sources

On the Performance of PDMA With Decode-and-Forward Relaying in Downlink Network

open access: yesIEEE Access, 2018
This paper studies the application of cooperative techniques for pattern division multiple access (PDMA) in downlink (DL) network. More particularly, the performance of joint decode-and-forward (DF) relaying and PDMA (DF-PDMA) is investigated over ...
Wanwei Tang, Shaoli Kang, Xueqian Fu
exaly   +4 more sources

Link Performance Estimation Technique for PDMA Uplink System

open access: yesIEEE Access, 2017
Pattern division multiple access (PDMA) is a promising non-orthogonal multiple access scheme for the fifth generation mobile communication system. Link performance estimation technique is the key to ensure accurate performance evaluation of the PDMA ...
Shaoli Kang, Xiaoming Dai, Xinwei Yue
exaly   +4 more sources

Design of MIMO‐PDMA in 5G mobile communication system [PDF]

open access: yesIET Communications, 2020
As a novel non‐orthogonal multiple access scheme for fifth generation mobile networks, pattern division multiple access (PDMA) can support more connectivity and significantly improve spectral efficiency compared with conventional orthogonal multiple access (OMA). In order to further to improve the system transmission reliability and spectrum efficiency
Wanwei Tang   +2 more
exaly   +2 more sources

Research on PDMA communication system based on complete complementary sequence [PDF]

open access: yesEURASIP Journal on Wireless Communications and Networking, 2020
Pattern division multiple access (PDMA) is a new non-orthogonal multiple access (NOMA) technology. It is proposed to meet the challenge of 5G large-scale connectivity and high-frequency spectral efficiency.
Shufeng Li, Baoxin Su, Libiao Jin
doaj   +2 more sources

Performance Analysis of Cooperative Pattern Division Multiple Access (Co-PDMA) in Uplink Network

open access: yesIEEE Access, 2017
As a promising candidate non-orthogonal multiple access scheme for the fifth generation (5G) wireless communication system, pattern division multiple access (PDMA) has received considerable attention recently.
Wanwei Tang, Shaoli Kang
exaly   +3 more sources

Solvent-Driven Nanostructural Tuning of Lignin/Poly(N,N-dimethylacrylamide) Hydrogels [PDF]

open access: yesGels
Non-covalent molecular self-assembly serves as a distinctive strategy for enhancing the mechanical performance of lignin-based composite hydrogels. Nevertheless, the self-assembly process can be significantly influenced, leading to alterations in the ...
Xiaoqing Jiang   +8 more
doaj   +2 more sources

Functional Approaches to Discover New Compounds via Enzymatic Modification: Predicted Data Mining Approach and Biotransformation-Guided Purification [PDF]

open access: yesMolecules
In the field of biotechnology, natural compounds isolated from medicinal plants are highly valued; however, their discovery, purification, biofunctional characterization, and biochemical validation have historically involved time-consuming and laborious ...
Te-Sheng Chang
doaj   +2 more sources

The Electro-Catalytic and Redox-Mediator Effects of Nanostructured PDMA-PSA Modified-Electrodes as Phenol Derivative Sensors

open access: yesInternational Journal of Electrochemical Science, 2011
Phenol derivatives in laboratory prepared solutions were determined with a platinum electrode coated with poly2, 5-dimethoxyaniline phenanthrene sulphonic acid (PDMA-PSA) polymer layer.
Emmanuel I Iwuoha, Eno E Ebenso
exaly   +3 more sources

Performance analysis of cooperative PDMA with AF relaying over Rayleigh fading channels [PDF]

open access: yesIET Communications, 2020
This study investigates the performances of cooperative pattern division multiple access (PDMA) technology with a half‐duplex amplify‐and‐forward (AF) relaying over Rayleigh fading channels. To characterise the performances of the AF‐PDMA system, the closed‐form expressions of the exact outage probabilities, system throughput and diversity order are ...
Xiurong Zhang   +2 more
exaly   +2 more sources

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