IP over terrestrial ATSC DTV channels: performance evaluations on data transmission throughput

The throughput of IP (UDP and TCP) data transmission over terrestrial ATSC DTV channels was evaluated. A testbed was developed for this purpose. Various issues affecting the throughput of IP data transmission over DTV channels were analyzed, such as channel noise, traffic load, IP packet size and return link capacity. Results obtained from these tests offer valuable information for broadcasters who plan to implement datacasting services over ATSC DTV systems.

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