Results 101 to 110 of about 20,019 (197)

IP based multimedia conference over satellite

open access: yes, 2020
Significant research and development have been carried out recently in Voice over IP (VoIP) to integrate Internet data services and telephony services based on Public Switched Telephone Network (PSTN).
Liang, L   +4 more
core  

Satellite emulator for IP networking based on LINUX

open access: yes, 2020
Satellite environment provides a whole new spectrum of challenges to communications and networking. The ability to study satellite network conditions in a reproducible and controlled manner has relied mainly on simulations and experimental testbed ...
Sun, Z, Chai, WK
core  

Pharmacology course outcomes: Internet delivery versus traditional classroom delivery

open access: yes, 2001
Plan BEducators are taking advantage of the Internet as an alternative delivery option. The purpose of the project was to modify a Pharmacology for Allied Health course for Internet delivery and to compare the outcomes of students who took the Internet ...
Arentsen, Linda
core  

GOES : Geostationary operational environmental satellite.

open access: yes, 1976
Item 207-B-1.Cover title.Mode of access ...
United States. National Environmental Satellite Service.
core  

Signal Structure Analysis and Thought of OneWeb LEO Constellation

open access: yes天地一体化信息网络
As a supplement to terrestrial mobile communication networks, low earth orbit (LEO) satellite Internet has become an important development direction in the global aerospace and communications fields. Foreign LEO constellations represented by Starlink and
CHAI Lingyun   +5 more
doaj  

Post-Quantum Cryptography in Satellite Internet: Applications and Reflections

open access: yes天地一体化信息网络
With the ongoing development of quantum computers, the security of satellite Internet faces significant challenges. This paper first introduced the basic concepts of satellite Internet and post-quantum cryptography, thoroughly analyzed the security needs
HUANG Boxue, GU Xin, SHAN Chao, SU An
doaj  

A Location and Movement Dependent GNSS Multipath Error Model for Pedestrian Applications

open access: yes, 2009
In 2002 the German Aerospace Centre (DLR) performed a measurement campaign of the land mobile multipath channel in and around the city of Munich. From this data a channel model was derived that is synthesising the measured channel impulse response.
Lehner, Andreas   +2 more
core  

Improving the Performance of HTTP over High Bandwidth-Delay Product Circuits

open access: yes, 2001
As the WWW continues to grow, providing adequate bandwidth to countries remote from the geographic and topological center of the network, such as those in the Asia/Pacific, becomes more and more difficult.
M.W. Pearson   +5 more
core  

Design and Analysis of Satellite Internet Simulation and Verification System for Space Remote Sensing Services

open access: yes天地一体化信息网络
The architecture of satellite Internet composed of LEO satellites with remote sensing/inter-satellite and satellite-earth networking, on-board edge computing functions, and ground cloud computing centers, and various types of terminals such as sky, near ...
Ying TAO   +4 more
doaj  

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