Regenerative transponder of COMETS for advanced mobile communications experiments

Author

Isobe, Sunkichi ; Kawamata, Fumio ; Naito, Hideyuki ; Hamamoto, Naokazu ; Ohmori, Shingo

Author_Institution

Communications Res. Lab., Tokyo, Japan

Volume

1

fYear

1993

fDate

12-15 Oct 1993

Firstpage

309

Abstract

In order to develop one of key technologies for personal satellite communications, a regenerative transponder has been developed for the Communications and Broadcasting Engineering Test Satellite (COMETS), allowing MM-wave and Ka-band mobile communications. This regenerative MODEM receives eight-channel SCPC continuous or packet signals at a rate of 24 or 4.8 kb/s, transmits one TDM signal with BPSK modulation, and supports special functions such as storing calls in a buffer memory. This technology allows an earth terminal with a 10-cm antenna and a 1-W power amplifier to transmit a 24 kb/s signal via COMETS in Ka-band

Keywords

buffer storage; microwave power amplifiers; millimetre wave power amplifiers; mobile satellite communication; modems; personal communication networks; phase shift keying; protocols; satellite antennas; satellite ground stations; telecommunication signalling; time division multiplexing; transponders; 1 W; 10 cm; 24 kbit/s; 4.8 kbit/s; BPSK modulation; COMETS; Communications and Broadcasting Engineering Test Satellite; EHF; Ka-band; MM-wave; SCPC; SHF; TDM; advanced mobile communications; buffer memory; earth terminal; personal satellite communications; regenerative MODEM; regenerative transponder; Artificial satellites; Broadcast technology; Mobile communication; Modems; Regeneration engineering; Satellite broadcasting; Satellite communication; Testing; Time division multiplexing; Transponders;

fLanguage

English

Publisher

ieee

Conference_Titel

Universal Personal Communications, 1993. Personal Communications: Gateway to the 21st Century. Conference Record., 2nd International Conference on

Conference_Location

Ottawa, Ont.

Print_ISBN

0-7803-1396-8

Type

conf

DOI

10.1109/ICUPC.1993.528397

Filename

528397