Results 91 to 100 of about 9,808 (226)

D2D Relay Incenting and Charging Modes That Are Commercially Compatible With B2D Services

open access: yesIEEE Access, 2019
Attractive monetary or other kinds of incentives are needed to motivate the relayers in device-to-device (D2D) communications. In this paper, little attention has been paid to D2D charge and incentive mechanisms that are also compatible with prevailing ...
Qingguo Shen, Wenjuan Shao, Xiao Fu
doaj   +1 more source

Assessing relational values of sacred landscapes through text mining of folktales: Insights from the Ryukyu Islands, Japan

open access: yesPeople and Nature, EarlyView.
Abstract Assessing relational values of nature through its cultural and spiritual significance is crucial for effective nature conservation. Folktales offer insights into traditional relationships between people and nature, and text mining is a powerful tool for extracting information from textual datasets.
Naoki Saito   +2 more
wiley   +1 more source

Power Control for Two-Way AF Relay Assisted D2D Communications Underlaying Cellular Networks

open access: yesIEEE Access, 2020
As a key technology of the 5G communication system, device-to-device (D2D) communications have drawn significant research interests. However, the advantage of D2D communications may be limited when D2D users are far away from each other or the ...
Liang Han   +4 more
doaj   +1 more source

Μελέτη και προσομοίωση σεναρίων απευθείας επικοινωνίας μεταξύ τερματικών συσκευών Device -to-Device (D2D)

open access: yes, 2016
Η παρούσα διπλωματική εργασία εκπονήθηκε με στόχο την μελέτη και προσομοίωση της άμεσης επικοινωνίας, από συσκευή προς συσκευή (Device-to-Device). Πρόκειται για την επικοινωνία η οποία είναι υποβοηθούμενη από το σύστημα ασύρματης επικοινωνίας LTE-A, η ...
Παπαχρήστος, Νικόλαος
core  

Integrated LEO Constellation and In‐Cabin Distribution System for Continuous Aircraft 5G Connectivity

open access: yesInternational Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT The integration of low Earth orbit (LEO) satellite constellations with commercial aircraft communication systems presents critical challenges in maintaining continuous connectivity during dynamic flight conditions. Current geostationary satellite systems suffer from high round‐trip latency (>$$ > $$ 500 ms) and inadequate coverage at high ...
Raúl Parada   +4 more
wiley   +1 more source

Overlapping Coalition Formation Games for Joint Interference Management and Resource Allocation in D2D Communications

open access: yesIEEE Access, 2018
In this paper, an overlapping coalition formation game is proposed to conduct joint interference management and resource allocation in device-to-device (D2D) communications.
Jinming Hu   +5 more
doaj   +1 more source

Energy Efficiency of D2D Multi-User Cooperation

open access: yes, 2017
The Device-to-Device (D2D) communication system is an important part of heterogeneous networks. It has great potential to improve spectrum efficiency, throughput and energy efficiency cooperation of multiple D2D users with the advantage of direct ...
Lu Wang, Jie Zhang, Zufan Zhang
core   +1 more source

The EU Space Act's Global Reach: Legal Considerations on the Envisaged Application to Non‐EU Operators

open access: yesGlobal Policy, EarlyView.
ABSTRACT This article examines what is known at this stage, before the envisaged publication of the legislative proposal by the European Commission in March/April 2025, about the European Union's Space Act, focusing on its potential application to non‐EU operators.
Ingo Baumann, Katharina Prall
wiley   +1 more source

Japanese Women's Attitudes Toward Learning Languages Other Than English in the Era of Global English

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT This study on female Japanese learners of the Korean language is situated in the centuries‐long anti‐Korean sentiments in Japan, the global popularity of the Korean Wave, particularly among women, and the essentialized image of socially marginalized young Japanese women who study English with romantic desires for Western men.
Yoko Kobayashi
wiley   +1 more source

Teacher Well‐Being Across Career Stages: An Ecological Study of Early‐ and Mid‐Career English Teachers in Japanese Secondary Schools

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT Teacher well‐being has garnered increasing attention in language education, as it plays a vital role in shaping both their professional lives and student learning. Although its importance is recognised, further research is still needed to gain a more comprehensive understanding of language teachers' well‐being.
Takeshi Onodera
wiley   +1 more source

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