Talk slides at 2010 AMSAT Space Symposium - Phil Karn, KA9Q
Talk slides at 2010 AMSAT Space Symposium - Phil Karn, KA9Q
Talk slides at 2010 AMSAT Space Symposium - Phil Karn, KA9Q
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BPSK1000<br />
● Framing, coding & modul<strong>at</strong>ion designed for<br />
ARISS<strong>at</strong>-1 telemetry downlink<br />
● Fits in SSB bandwidth, CW beacon as pilot<br />
● Optimized for severe fading → 16 sec delay<br />
● 500 b/s user r<strong>at</strong>e, variable size frame<br />
● r<strong>at</strong>e ½ FEC, Viterbi decoding → 1 kbaud<br />
● DBPSK, α = 1.0 → BW = 2 kHz<br />
● E b /N 0 ≥ 6.7 dB on AWGN channel
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