New Carrier Frequency Assignments for Minimizing Intermodulation Products in Two-Level SCPC Systems

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概要

• 論文の詳細を見る

• In this paper, we propose an efficient method (called DIRIC algorithm) to allocate carrier frequencies so as to minimize intermodulation products in two-level SCPC systems in which Hub station and many Remote stations communicate each other through satellite transponder. We also present a very efficient method to evaluate intermodulation products with substantially reduced CPU time in two-level SCPC systems. We compare and analyze the performance of several frequency allocation methods to extend DELINS-INSDEL algorithm (which is proposed by Okinaka) to two-level SCPC systems. When the proposed algorithm is applied to systems with modulated carrier, it is verified that this algorithm has the same efficiency as the unmodulated carrier. It is also shown heuristically that certain initial assignment algorithms perform better than random assignment.

• 社団法人電子情報通信学会の論文
• 1995-03-25

著者

• CHOI Hyung

  Dept. Immunology and Laboratory Animal Medicine, College of Medicine, Seoul National University

• Choi H

  Sungkyunkwan Univ. Kyungki‐do Kor

• Ko Sung

  Satellite Network System Section Etri

• Lee Sang

  Image amp Media Lab., Goldstar Co.

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• New Carrier Frequency Assignments for Minimizing Intermodulation Products in Two-Level SCPC Systems

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