Abstract
Recently, multimedia broadcast and multicast services have started to outpace simple data unicast services. A hybrid satellite-terrestrial network can provide a cooperative system in such a way as to provide high-quality seamless MBMS effectively. In this article we discuss two promising techniques that can improve the performance of a mobile satellite broadcasting system with HSTN. The objective of the first technique is to obtain diversity gain from independent signal paths; this can be achieved by using the space-time coding technique jointly operated on both the satellite and terrestrial repeaters. The goal of the second scheme is to obtain power gain by using a layered channel coding scheme with which a user terminal adapts to the channel condition. We demonstrate various simulation results for both schemes on the prescribed network structure, and the results show substantial improvements in performance.
| Original language | English |
|---|---|
| Pages (from-to) | 118-124 |
| Number of pages | 7 |
| Journal | IEEE Communications Magazine |
| Volume | 46 |
| Issue number | 7 |
| DOIs | |
| State | Published - 2008.07 |
Keywords
- Decoding
- Encoding
- Mobile communication
- Repeaters
- Satellite broadcasting
- Satellites
- Transmitting antennas
Quacquarelli Symonds(QS) Subject Topics
- Computer Science & Information Systems
- Engineering - Electrical & Electronic
- Engineering - Petroleum
- Data Science
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