LinkStar: DVB-RCS Topology Star Satellite Communication SystemLinkStarTM is a two-way broadband satellite communications system for Internet Protocol (IP) connectivity over satellite. LinkStar consists of one or more central stations - the hub -, many remote VSATs (Very Small Aperture Terminals), and appropriate management and control subsystems. The remote VSAT - called the Return Channel Satellite Terminal (RCST) - is a small, low cost terminal designed for multimedia broadband connectivity in networks with a large number of sites.
Because of the low cost of the remote terminal, LinkStar™ is an ideal solution for enterprises and service providers (e.g., VPNs and ISPs) that need broadband IP connectivity for multimedia applications over a large geographic area. A single hub can connect up to 10,000 remote terminals, and a multi-hub LinkStar system can integrate as many as 100,000 remotes into a single network.
LinkStar™ is designed to offer high-throughput connectivity between a large number of remote users and one or more hubs, configured in a "star" network topology. The connectivity is asymmetric, with a large capacity outbound satellite link from the hub to the remote terminals, and many medium capacity inbound satellite links from the remotes to the hub.
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LinkStar: Indoor Unit
The IDU is an integrated unit. The MPEG-2 stream is recovered from the outbound signal by an integrated circuit consisting of a DVB demodulator and demultiplexer
LinkStar: Outdoor unit
The ODU consists of an antenna (90cm, 1.2m, 1.8m or 2.4m) and an RF power amplifier and low noise receiver