Compatibility Study on BWA and FSS Operation in The Extended-C Band  

Oleh:

Sari, Lydia ; Mahyastuty, Veronica Windha

Jenis: Article from Proceeding
Dalam koleksi: Proceeding of International Seminar on Science and Technology Innovations (ISSTIN) 2012 : Green Technology Innovations for a Sustainable Society, University of Al Azhar Indonesia, Jakarta, 2-4 October 2012, page 102-106.
Topik: FSS; BWA; interference; extended-C band
Fulltext: 102 - ISSTIN 2012 - komplit.pdf (1.22MB)

Isi artikel

The satellite service has been relied upon for several decades as the preferred telecommunication backbone particularly in countries that are mainly archipelagos. One of the most used bandwidth for fixed satellite service (FSS) is the extended-C band which occupies the 3.4-3.7 GHz (downlink) and 6.425- 6.725 GHz (uplink). With the growing demands of telecommunication services, more new technologies are introduced; among others is Broadband Wireless Access (BWA) which is allocated the 3.3- 3.4 GHz frequency band as regulated by the ITU. The frequency sharing between the two systems implies that the BWA service has a strong potential to disrupt the FSS operation, and therefore interference mitigation techniques are urgently needed. This research investigates the possibility of frequency sharing between the two systems. Simulation results show that the maximum interference level of -152.4 dB cannot be met even at great separation distance between a BWA transmitter and an FSS earth station. To mitigate the problem, site shielding at the FSS earth station, exploitation of clutter loss and power reduction at the BWA transmitter are mandatory.

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