Abstract

Synchronous channel access protocols like TDMA needs a global sync signal to be transmitted by a master station. All the other stations synchronize their transmission after receiving this signal. Instead of having a separate receive link at every station to receive the sync from the master station, each station can use globally available GPS time and access the channel synchronously. This method is useful to enhance the communication efficiency in applications like remote data collection platforms which has only one way communication link and has to depend only on random access protocol having much lower efficiency. This paper discusses the pros and cons of such an approach for INSAT based networks.

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