Block Division Carrier Slot Setting for Satellite Scpc Systems

Hiroyuki Yashima, Iwao Sasase, Shinsaku Mori

Research output: Contribution to journalComment/debatepeer-review

2 Citations (Scopus)


A novel carrier slot setting plan is proposed to reduce intermodulation (IM) effects for satellite SCPC (single channel per carrier) systems. Carrier slots are divided into blocks and slight frequency gaps are set among blocks. This setting introduces frequency offset between the center frequencies of carrier slots and the center frequencies of some of IM components. A method to derive optimum division to get the upper bound of improvement of the C/IM ratio in the worst channel is developed. The results show that the proposed setting plan achieves significant improvement of IM effects at a cost of only slight bandwidth expansion even in fully loaded SCPC systems.

Original languageEnglish
Pages (from-to)21-24
Number of pages4
JournalIEEE Transactions on Communications
Issue number1
Publication statusPublished - 1991 Jan
Externally publishedYes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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