نتایج جستجو برای: watching satellite networks

تعداد نتایج: 510144  

Journal: :Journal of Aerospace Information Systems 2017

Journal: :IEEE internet of things magazine 2021

The implementation of the Internet Things (IoT) is mostly done through cellular networks, which do not cover whole world. In addition, explosive growth global access demand introduces need for integrating satellites with IoT networks coverage extension and backhaul offloading. Operating hybrid satellite-IoT (SIoT) however, might incur excessive service latency high satellite bandwidth consumpti...

Journal: :Computer Networks 2005
Chunmei Liu Eytan Modiano

It is well known that TCP does not perform well in networks with large propagation delay and high link loss probability, which are typical in hybrid space-terrestrial networks. Implementing Automatic-Repeat-Request (ARQ) retransmission over satellite links in hybrid networks has been proposed to enhance TCP performance by hiding the link losses from TCP. This paper analyzes the impact of implem...

2007
Sungrae Cho

| This paper presents a rate-adaptive error control (RAEC) protocol for multimedia multicast services in satellite-terrestrial hybrid networks. The proposed scheme considers user fairness to multicast group and adapts code rate according to the channel conditions. In order to provide fairness perceived by user application, a packet is transmitted via satellite, while the retransmission of the p...

2007
S. W. Ellingson S. M. Shajedul Hasan

Wireless communication is an essential component of public safety operations [1,2]. First responders have benefited from many technical advances in the wireless arena in recent years including new modes for voice and data communications, cellular and satellite communications, and wireless local area networks (WLAN). At the same time, this profusion of new technology has aggravated a looming cri...

Journal: :Science China Information Sciences 2016

Journal: :IEEE Wireless Communications 2022

Driven by the ever increasing penetration and proliferation of data-driven applications, a new generation wireless communication, sixth (6G) mobile system enhanced artificial intelligence, has attracted substantial research interests. Among various candidate technologies 6G, low Earth orbit (LEO) satellites have appealing characteristics ubiquitous access. However, costs satellite communication...

Journal: :Science China Information Sciences 2013

Journal: :Einstein Journal of Biology and Medicine 2016

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