Results 31 to 40 of about 3,939,294 (316)

Time-Hopping Concentration-Position Shift Keying for Multiple Access in Concentration-Encoded Molecular Communication

Applied Sciences
Molecular communication (MC) represents a paradigm shift in communication technologies, extending beyond traditional electromagnetic methods by incorporating advances in nanotechnology, biotechnology, and communication theory.
Su-Jin Kim, Pankaj Singh, Sung-Yoon Jung
doaj   +1 more source

Low-Complexity Strategies for Multiple Access Relaying [PDF]

, 2011
In this paper, we propose three low-complexity strategies for Multiple Access Relay Channel (MARC) based on the concept of bit-flipping model. By estimating the error rates of the links between the sources and the relay, and by utilizing the estimate as ...
Matsumoto, Tadashi, Khoirul Anwar, Lu, Pen-Shun, Tadashi Matsumoto, Pen-Shun Lu, Valtteri Tervo, Anwar, Khoirul, Tervo, Valtteri   +7 more
core   +1 more source

Deep Reinforcement Learning-Based Multi-Access in Massive Machine-Type Communication

IEEE Access
The diverse applications of Machine-Type Communication (MTC) lead to exponential growth in Machine to Machine traffic. In connection with MTC deployment, a large number of devices are expected to access the wireless network simultaneously, resulting in ...
Nasim Ravi, Nuno Lourenco, Marilia Curado, and Edmundo Monteiro   +3 more
doaj   +1 more source

A Multiple Access Protocol Based on Gray Forecast for Satellite Network

Future Internet, 2018
A satellite network’s multiple access protocol must be well designed to efficiently occupy channel resources and meet various qualities of service requirements. In this paper, a combined free/demand assignment multiple access protocol based on gray
Chong Han, Zilong Li, Jian Zhou, Lijuan Sun, Siyu Chen   +4 more
doaj   +1 more source

LEO Mega-Constellations for 6G Global Coverage: Challenges and Opportunities

IEEE Access, 2021
Mega-constellations have the potential for providing 6G Internet owing to the unique advantage of global coverage. However, current satellite technologies are not omnipotent.
Haoran Xie, Yafeng Zhan, Guanming Zeng, Xiaohan Pan   +3 more
doaj   +1 more source

Adaptive detection for a differential chaos-based multiple access system on unknown multipath fading channels [PDF]

, 2008
This paper addresses the problem of bit detection for a chaos-based multiple-access system. In particular, one considers the Differential Chaos Shift Keying modulation. It is assumed that the transmission channels are frequency-selective.
Coulon, Martial, Martial Coulon, Roviras, Daniel, Daniel Roviras   +3 more
core   +1 more source

A Survey on Fluid Antenna Multiple Access for 6G: A New Multiple Access Technology That Provides Great Diversity in a Small Space

IEEE Access
In recent times, a fluid antenna system (FAS) has gained attention as a potential contender for 6G wireless networks. Fluid antenna multiple access (FAMA) is a new technology that allows each user to constantly move to the position with the strongest ...
A. F. M. Shahen Shah, Muhammet Ali Karabulut, Eyup Cinar, Khaled M. Rabie   +3 more
doaj   +1 more source

Multi-Users Dynamic Bandwidth Allocation Technology of SDTN

天地一体化信息网络, 2022
The TT＆amp;C and data transmission of spacecraft are divided into two methods: space-based and ground-based.Among them, space-based method has the advantages of global coverage, access at any time, and real-time information return, and have a wide range ...
Jianxiang CHU, Yin HUANG, Chong WANG, Yunze CAO   +3 more
doaj  

Wireless Multiple Access Network With a Sectional Configured Data Collection System and Codeword Filtering Mechanism

IEEE Access, 2020
Swarm robotics is an approach to collective robotics with which it is easily possible to complete the tasks that are difficult to do with single robot. The wireless multiple access network contributes significantly in wireless mobile swarm robotics for ...
Wei Zhang, Yuwei Hu, Yongjian Ren, Yangyang Bai   +3 more
doaj   +1 more source

Patterns of care for Multiple Sclerosis in a setting of universal care access: A cross-sectional study

, 2019
BACKGROUND Current guidelines recommend regular neurological MS care in persons diagnosed with MS, but little is known about implementation of this recommendation or potential access barriers.
Rodgers, S., Kaufmann, Marco; https://orcid.org/, Kuhle, J., Puhan, M.A., Puhan, Milo A, Kuhle, Jens, Puhan, M. A., Kamm, Christian P, Kesselring, Jürg, Rodgers, Stephanie, Pot, Caroline, von Wyl, Viktor, Czaplinski, Adam, Barin, L., Kamm, C.P., von Wyl, V., Barin, Laura, Salmen, A., Ajdacic-Gross, Vladeta, Pot, C., Salmen, Anke, Kaufmann, M., Chan, A., Czaplinski, A., Kamm, Christian P., Swiss Multiple Sclerosis Registry, Chan, Andrew, Gobbi, C., Ajdacic-Gross, V., Gobbi, Claudio, Kesselring, J.   +30 more
core   +1 more source