Results 81 to 90 of about 215,474 (281)
5G new radio multiuser precoding in geostationary satellite networks
International Journal of Satellite Communications and Networking, EarlyView.This work evaluates the standardized 5G new radio codebooks for closed‐loop multiuser precoding in GEO multibeam scenarios and derives a list of recommended 3GPP standard modifications for a proper support to GEO mission needs. Summary The multiuser precoding procedures standardized by the 3rd Generation Partnership Project (3GPP) for new radio (NR ...
Xavier Artiga, Miguel Ángel Vázquez
wiley +1 more source
Erciyes İletişim Dergisi, 2019 Dijital yayıncılığın teknik altyapısının gelişmesinin ardından çevrimiçi seyir platformları, 2010 yılı sonrasında Türkiye’de giderek yaygınlaşmışlardır.
Can Diker
doaj +1 more source
Location‐Assisted Graph‐Based User Scheduling in Multi‐User MIMO LEO NTN Systems
International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT This paper addresses user clustering and scheduling for multi‐user MIMO low Earth orbit nonterrestrial network systems in full frequency reuse. Since the number of on‐ground user terminals is usually much higher than the number of on‐board LEO satellite antennas, user scheduling becomes a fundamental task.
Bilal Ahmad +4 more
wiley +1 more source
Single-Channel Data Broadcasting under Small Waiting Latency
Journal of Applied Mathematics, 2013 Due to the advancement of network technology, video-on-demand (VoD) services are growing in popularity. However, individual stream allocation for client requests easily causes a VoD system overload; when its network and disk bandwidth cannot match client
Hsiang-Fu Yu
doaj +1 more source
Advanced Fade Mitigation Techniques for Q/V Band SATCOM Systems
International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT Adaptive fade mitigation techniques, such as smart gateway diversity (SGD), are essential in addressing atmospheric fading affecting the operation of high throughput and very high throughput satellite systems at Ka‐band and beyond. Specifically, the Q/V‐band, offering up to 5 GHz of available spectrum, is very attractive for future high data ...
Marianna Biscarini +5 more
wiley +1 more source
Design of mine-used digital broadcasting system
Gong-kuang zidonghua, 2013 For problems that underground broadcasting system with analog audio broadcasting mode has poor flexibility and small voice communication range, the paper proposed design scheme of a new kind of mine-used digital broadcasting system, introduced designs of
QIAN Jian-sheng +4 more
doaj
Standardization in technology adoption: A comparison of broadcast TV cases [PDF]
, 2012 Based on developments in the U.S. television, this study illustrates the choice of technical standards by the government. Broadcasting in the U.S. has been largely affected by the adoption of new technology.
Kim, Heejung
core
Infrastructure and the Path to Sustainability: How Governance Shapes Development Outcomes in Africa
Sustainable Development, EarlyView.ABSTRACT Infrastructure development, as an SDGs objective, foster inclusive growth by improving access to transport, energy, and digital systems, enhancing productivity, connectivity, resilience, and sustainability while reducing inequalities and supporting environmental goals. This study examines the impact of infrastructure development on sustainable
Germain Stephane Ketchoua +3 more
wiley +1 more source
Buletin Pos dan Telekomunikasi: Media Komunikasi Ilmiah, 2015 Peraturan Menteri Komunikasi dan Informatika RI nomor 21 tahun 2009 tentang Standar Penyiaran Digital Untuk Penyiaran Radio pada Pita VHF di Indonesia menyatakan bahwa dalam rangka mengatasi permasalahan penggunaan frekuensi VHF Band II untuk penyiaran ...
Amry Daulat Gultom
doaj +1 more source
A survey of digital television broadcast transmission techniques
This paper is a survey of the transmission techniques used in digital television (TV) standards worldwide. With the increase in the demand for High-Definition (HD) TV, video-on-demand and mobile TV services, there was a real need for more bandwidth ...
El-Hajjar, Mohammed, Hanzo, Lajos
core +1 more source