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Popular News
Atrexx, Avanti Communications Partner to Provide Satellite Broadband Services to Libya and Afghanistan
Satellite service provider Atrexx Ltd. & Co. KG has added a new service platform to its product portfolio, specifically targeted at meeting the broadband demand in Libya and Afghanistan. Two Ka-Band spot beams of Avanti Communications’ recently launched Hylas 2 satellite positioned at 31 degrees east, will now transmit atrexx’ 2way2sat services. These services include fast access to the Internet, always-on and Voice-over-IP (VoIP) functionalities. For the 2way2sat services, atrexx will use the new iDirect Evolution X1 satellite modem to provide lower hardware cost.
Source: www.satellitetoday.com
ViaSat Announces Next Generation Broadband Satellite
ViaSat (NASDAQ: VSAT) has executed a contract with Boeing (NYSE: BA) to build ViaSat-2, which is based on ViaSat’s next generation, Ka-band satellite technology and architecture. ViaSat-2 is expected to be, by far, the world’s highest capacity satellite at the time of launch (scheduled for mid-2016) achieving an unparalleled mix of capacity and coverage. ViaSat-2 is anticipated to approximately double the bandwidth economics of ViaSat-1 while simultaneously increasing its coverage footprint by seven-fold.
Source: www.spaceref.com
Performance comparison of 2 GHz satellite-terrestrial network and 700 MHz LTE network for PPDR services
LS telcom, the world’s largest supplier of independent spectrum management solutions, announces the publication of a report comparing the use of 2 GHz and 700 MHz for public protection and disaster relief (PPDR) networks.
The study, conducted by experts from LS telcom’s spectrum consulting team, was commissioned by Solaris Mobile, a mobile satellite services (MSS) operator with a 2 GHz spectrum licence across Europe. Solaris wished to examine whether the use of their spectrum for a complementary terrestrial ground component, to supplement existing satellite coverage, could be a cost-effective solution for the PPDR community.
The study reviews the data throughput requirements of the PPDR community and then considers the ability of 700 MHz and 2 GHz LTE networks to deliver the requisite performance in urban and rural areas. The study concludes that the use of 2 GHz spectrum, especially in dense urban areas, is able to deliver and exceed the stated PPDR data throughput requirements. Although initial roll-out costs of the 2 GHz network are slightly higher than for a comparable 700 MHz, the cost-per-bit-delivered is significantly lower for the 2 GHz network. Adding the expected cost of spectrum, the difference becomes even more significant.
Richard Womersley, Director of Spectrum Consulting at LS telcom said, “It seems unlikely that 700 MHz spectrum will become available in Europe much before 2020 if at all. And the opportunity costs associated with gifting it to the PPDR community are very large. On the other hand, 2 GHz spectrum is available today and our work has shown that its use can provide a cost-effective, high-performance network for PPDR users in urban areas. Add to this the availability of satellite services in other areas and you have a winning combination.”
The study considered the design, dimensioning, coverage and economics of both solutions and used London as a worst-case area for assessing the likely performance and costs. LS telcom’s planning engineers also considered practical factors, such as antenna performance and building penetration for the two frequencies bands.
About LS telcom
LS telcom’s software, system solutions and services address the efficient use of radio frequency spectrum and the optimal operation of radio communication services.
We are a worldwide market leader in the provision of automated spectrum management systems and their integration with monitoring systems. At the same time, we develop and market software for the design, planning and optimisation of broadcast, PMR, mobile and microwave networks. Strategic consulting, radio engineering services and training on network technologies, standards, and regulations as well as transmitter installations and measurements complete our area of expertise. Our portfolio addresses the public and private market.
Frequency regulatory authorities, ministries, network operators and infrastructure providers, system integrators and military organisations in over 90 countries across all continents rely on our solutions and services.
LS telcom operates worldwide with subsidiaries in France, Canada, USA, and South Africa, as well as representative offices in Hungary, China and Oman. With its headquarters in Lichtenau, Baden, Germany, LS telcom is listed on the German stock exchange under ISIN DE 0005754402 since 2001.