Results 231 to 240 of about 19,021,938 (264)

Assessment of Physical Activity Engagement and Promotion Among Cancer Survivors in Cardio-Oncology Care: Qualitative Study. [PDF]

open access: yesJMIR Cancer
Tetrick MK   +10 more
europepmc   +1 more source

Hyperspectral dual-comb compressive ghost imaging with deep learning reconstruction. [PDF]

open access: yesLight Sci Appl
Suh MG   +10 more
europepmc   +1 more source

Double-weight signature pattern codes for multicore-fiber code-division multiple-access networks

open access: yesIEEE Communications Letters, 2001
To transmit digitized image pixels in optical code-division multiple-access (CDMA) networks with multicore fiber, classes of two-dimensional (2-D) patterns, so-called optical orthogonal signature pattern codes (OOSPCs), have previously been proposed.
Guu-Chang Yang, W C Kwong
exaly   +5 more sources

Pattern Division Multiple Access: A New Multiple Access Technology for 5G

IEEE Wireless Communications, 2018
The anticipated 1000-fold increase in mobile data traffic over the next decade and the explosion of new services and applications pose great challenges for the current orthogonal multiple access (OMA)-based 4G systems. A promising solution to address these challenges is to shift from the currently predominant OMA to non-orthogonal multiple access (NOMA)
Xiaoming Dai, Zhenyu Zhang, Shanzhi Chen
exaly   +3 more sources

Pattern Division Multiple Access—A Novel Nonorthogonal Multiple Access for Fifth-Generation Radio Networks

IEEE Transactions on Vehicular Technology, 2017
In this paper, pattern division multiple access (PDMA), which is a novel nonorthogonal multiple access scheme, is proposed for fifth-generation (5G) radio networks. The PDMA pattern defines the mapping of transmitted data to a resource group that can consist of time, frequency, and spatial resources or any combination of these resources. The pattern is
Shanzhi Chen, Kai Niu, Shaoli Kang
exaly   +3 more sources

On the performance of pattern division multiple access in 5G systems

2016 8th International Conference on Wireless Communications & Signal Processing (WCSP), 2016
Pattern division multiple access (PDMA) is one of the important candidate multiple access technologies for future 5G wireless communication systems. It can improve the spectral efficiency and support the massive connection based on the reasonable unequal diversity between users.
Xin Su, Jie Zeng, Liping Rong
exaly   +3 more sources

Pattern division multiple access (PDMA) for cellular future radio access

2015 International Conference on Wireless Communications & Signal Processing (WCSP), 2015
This paper presents a pattern division multiple access (PDMA) concept for cellular future radio access (FRA) towards the 2020s information society. Different from the current LTE radio access scheme (until Release 11), PDMA is a novel non-orthogonal multiple access technology based on the total optimization of multiple user communication system.
Xin Su, Jie Zeng, Liping Rong
exaly   +3 more sources

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