Results 201 to 210 of about 194,678 (236)

A unified AI-driven framework for quantum-secured 6G THz networks with intelligent reflecting surfaces and federated edge learning. [PDF]

Sci Rep
Balaji CG, Menaka S, Rajeswari G, Ponnusamy S.   +3 more
europepmc   +1 more source

A Study on the Robustness of a DNN Under Scenario Shifts for Power Control in Cell-Free Massive MIMO. [PDF]

Sensors (Basel)
García-Barrios G, Fuentes M, Martín-Sacristán D.   +2 more
europepmc   +1 more source

Patient preference predictors revisited: technically feasible, ethically desirable, yet must be clinically relevant. [PDF]

Crit Care
Ferrario A, Göcking B, Brandi G, Keller E, Biller-Andorno N.   +4 more
europepmc   +1 more source

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Enhanced Random Access for Massive-Machine-Type Communications

IEEE Internet of Things Journal, 2021
In this article, we study a random access (RA) scheme to alleviate the RA channel (RACH) overload problem in the massive-machine-type communication (mMTC) environment. We first propose a timing advance-based preamble resource expansion (TAPRE) scheme which effectively increases preamble resources and reduces the preamble collision probability by ...
Byung-Hyun Lee, Hyun-Suk Lee, Seokjae Moon, Jang-Won Lee   +3 more
openaire   +1 more source

Practical Synchronization Waveform for Massive Machine-Type Communications

IEEE Transactions on Communications, 2019
This paper proposes a practical synchronization waveform that is resilient to frequency error for machine-type communications with applications in massive Internet of Things (IoT). Mathematical properties of the waveform are derived, which are keys to addressing the practical issues.
Jingjing Zhang, Michael Mao Wang, Tingting Xia   +2 more
openaire   +1 more source

Introduction on Massive Machine-Type Communications (mMTC)

2019
With the rise of a new round of scientific and technological revolutions and industrial changes in the world, the emergence of a large number of new applications, new businesses, new fields and new markets pose more requirements and challenges to existing mobile communication technologies [1].
Fanggang Wang, Guoyu Ma
openaire   +1 more source

Pilot beamforming for massive machine type communication systems

2017 IEEE/CIC International Conference on Communications in China (ICCC), 2017
In this paper, we propose a novel pilot beamforming and CSI acquisition strategy for machine-type-communication systems to achieve reduction in pilot overhead and improve the channel estimation performance. Key idea of the proposed beam-forming technique is to sparsify the time-domain channel vector using the beamforming.
Hyoungju Ji, Jun Won Choi, Byonghyo Shim
openaire   +1 more source

RACH performance in massive machine-type communications access scenario

2018 IEEE Wireless Communications and Networking Conference (WCNC), 2018
With the increasing number of devices performing Machine-Type Communications (MTC), mobile networks are expected to encounter a high load of burst transmissions. One bottleneck in such cases is the Random Access Channel (RACH) procedure, which is responsible for the attachment of devices, among other things. In this paper, we performed a rich-parameter
Nibia Souza Bezerra, Min Wang, Christer Ahlund, Mats Nordberg, Olov Schelen   +4 more
openaire   +1 more source