satellite
RSS satelliteTelecom 99: Mobile satellite phones from Globalstar
News Globalstar officially launched its mobile satellite phone service this week in Geneva, at the Telecom 99 show, promising coverage everywhere except the polar ice caps. The market for these services - which were conceived almost a decade ago before... [12 Oct 1999]
One mobile satellite system to rule Europe
News The European Commission has proposed a single system for selecting mobile satellite services across Europe. Under the proposed system, the Commission would do away with the current 27 mobile satellite services markets and replace them with a single... [22 Aug 2007]
Cidera delivers Windows Media via satellite
News Microsoft has signed an agreement with server software developer Cidera to enable Windows Media content to be delivered via satellite. The software giant will use Cidera's proprietary technology to enable users who are streaming video with Windows... [25 Feb 2000]
Hispasat and atrexx Sign Co-Operation Agreement: Occasional Use Satellite Capacity Directly Available From atrexx
White Paper Hispasat, the Spanish satellite communications company and atrexx, a leading telecommunications exchange and consulting agency, signed a contract for the marketing of Hispasat's satellite capacity. With this agreement, Hispasat takes advantage of... [27 Jul 2006]
Digital Satellite Broadcast Chip-Set Offers Miniaturized Tuner Block Solution
White Paper Satellite broadcasting using digital modulation first entered the U.S.market in 1994. Today, as digital satellite broadcasting is expanding rapidly to world markets, OEMs are looking for smaller, more cost effective components to meet growing demand. [14 Aug 2003]
atrexx Adds Efficiency to the Satellite News Gathering Market: Online Event Calendar Promotes Up-Link and TV Production Facilities Worldwide
White Paper TV production and satellite up-link facilities for Satellite News Gathering (SNG) are installed on a specific occasion, such as a major sports events or cultural highlights, and for political or other incidents. [27 Jul 2006]
Virtual Private Networks (VPN) Over Satellite: atrexx and UDcast Provide Cost-Effective Connectivity for Corporate Networks
White Paper Satellite based IP connections provide an ubiquitous and instantaneous solution to companies seeking to include into their corporate network subsidiaries and production facilities, also in regions with a poor telecommunications infrastructure. [27 Jul 2006]
On the Interaction of TCP With BoD in GEO Broadband Satellite Networks
White Paper This paper reports a simulation study of the interaction between the Transmission Control Protocol (TCP) and Bandwidth on Demand (BoD) mechanisms in broadband satellite networks. This paper investigates two aspects of this rather complicated... [14 Jan 2008]
Support of Elastic TCP Traffic Over Broadband Geostationary Satellite Networks
White Paper This paper investigates mechanisms available at the satellite network for the provision of service differentiation to TCP flows. It demonstrates that fundamental satellite access network capabilities provide enough flexibility for the provision of... [14 Jan 2008]
IBM's Wireless Satellite-Based Solution Saves MT Hojgaard Time and Money
White Paper The deployment of a satellite-based, wireless data communication solution by IBM Global Services, means that MT Hojgaard can be much more flexible and responsive. The challenge for MT Hojgaard was to setup a flexible and resilient data... [09 Nov 2006]
Improving TCP Friendly Rate Control Behaviour in DVB Satellite Networks
White Paper Satellite links will be more common than today, and will use Demand Allocation Multiple Access (DAMA) to maximise satellite transponder utilisation. This paper envision in the not so distant future an Internet where the biggest share of bandwidth... [26 Dec 2007]
Delivery of local channels in High Definition over Satellite
White Paper The Local TV on Satellite (LTVS) system will deliver programming from all full-power TV stations within a local market by direct- to-home Ka-band satellite transmissions. End-users will be equipped with small antennas and TV set-top boxes capable... [24 Feb 2004]
Marconi Plays Key Role in ATM-Over-Satellite Experimental Network
White Paper At the Naval Research Laboratory (NRL) in Washington, D.C.electronics engineers were given the assignment of developing a satellite communications network that offers small-deck vessels at sea the same access to important military data that large... [24 Feb 2004]
Fixed-Point Approximations for TCP Performance Over Bandwidth on Demand GEO Satellite Links
White Paper This paper investigates the use of fixed-point methods for predicting the performance of multiple TCP flows sharing geostationary satellite links. The problem formulation is general in that it can address both error-free and error-prone links... [14 Jan 2008]
Goodput Optimisation of Long-Lived TCP Connections in a Rain-Faded Satellite Channel
White Paper The optimization of the end-to-end throughput of a TCP connection over geostationary satellite links is a challenging research topic because the high delay-bandwidth product, together with a non-negligible random loss of packets, are conditions... [14 Jan 2008]
