Japan's CS (Sakura) communications satellite experiments. VI B. Communications experiments: Frequency division multiple access

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Japan's CS (Sakura) communications satellite experiments. VI B. Communications experiments: Frequency division multiple access

Inoue, T. / Isobe, S. / Okamoto, T. / Sasaoka, H. / Shioda, H. / Fujieda, T.

For pt.VI A see ibid., vol.AES-22, no.3, p.264 (1986). The results of experiments conducted on frequency division multiple-access (FDMA) systems using the Japanese Sakura communications satellite (CS) are described. Fundamental characteristics, such as carrier-to-noise power versus signal-to-noise power ratios for FM signals and carrier-to-noise power ratio versus bit error probabilities for single-channel-per-carrier phase-shift keyed (SCPC-PSK) signals, were experimentally investigated. Multicarrier common amplification experiments using the CS transponder were carried out on STEST (small transportable Earth station) communications and SCPC communications. The characteristics of repeater sharing by a 100 Mb/s TDMA and FM signal transmission mode are also described.