Single-hop connection between user terminals for geo-satellite mobile communication systems

Kazuhito Ebina, Yoshinori Nakasuga, Fumihiro Yamashita, Nobuyuki Kataoka, Jin Mitsugi, Masazumi Ueba

Research output: Contribution to journalArticle

Abstract

Single-hop connection methods, which establish direct mobile to mobile communication links in the existing domestic mobile satellite communications system, are investigated. The difficulty for the single-hop connection stems from the PDC frame format, in which traffic and control channels reside in one frame. Two single-hop connection methods, based on a non-regenerative transponder satellite and a regenerative transponder satellite, are derived and evaluated in accordance with the required functionality on mobile terminal, base station and satellite. In each of the two methods, the satellite transponder has to involve such circuit as narrow-band filter bank, channel switch and beam switch. A regenerative transponder satellite has to have MODEM and frame decompose/compose circuits, additionally. Those circuits can be build by applying digital signal processing technology with relatively small circuit under a given satellite life time and space environment.

Original languageEnglish
Pages (from-to)325-332
Number of pages8
JournalNTT R and D
Volume51
Issue number4
Publication statusPublished - 2002
Externally publishedYes

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Satellite communication systems
Mobile telecommunication systems
Transponders
Satellites
Networks (circuits)
Switches
Filter banks
Digital signal processing
Base stations
Telecommunication links

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Ebina, K., Nakasuga, Y., Yamashita, F., Kataoka, N., Mitsugi, J., & Ueba, M. (2002). Single-hop connection between user terminals for geo-satellite mobile communication systems. NTT R and D, 51(4), 325-332.

Single-hop connection between user terminals for geo-satellite mobile communication systems. / Ebina, Kazuhito; Nakasuga, Yoshinori; Yamashita, Fumihiro; Kataoka, Nobuyuki; Mitsugi, Jin; Ueba, Masazumi.

In: NTT R and D, Vol. 51, No. 4, 2002, p. 325-332.

Research output: Contribution to journalArticle

Ebina, K, Nakasuga, Y, Yamashita, F, Kataoka, N, Mitsugi, J & Ueba, M 2002, 'Single-hop connection between user terminals for geo-satellite mobile communication systems', NTT R and D, vol. 51, no. 4, pp. 325-332.
Ebina K, Nakasuga Y, Yamashita F, Kataoka N, Mitsugi J, Ueba M. Single-hop connection between user terminals for geo-satellite mobile communication systems. NTT R and D. 2002;51(4):325-332.
Ebina, Kazuhito ; Nakasuga, Yoshinori ; Yamashita, Fumihiro ; Kataoka, Nobuyuki ; Mitsugi, Jin ; Ueba, Masazumi. / Single-hop connection between user terminals for geo-satellite mobile communication systems. In: NTT R and D. 2002 ; Vol. 51, No. 4. pp. 325-332.
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