LOW C/N MODEM FOR SATELLITE TDMA NETWORK USE.

Shuzo Kato, Masahiro Umehira, Tokihiro Miyo, Mitsuru Seta

Research output: Contribution to journalConference articlepeer-review

Abstract

The utilization of high-coding-gain forward error correction (FEC) in Japanese satellite communications applications requires QPSK modems to have quite a low carrier cycle skipping rate and to capture and track over a very wide frequency at low Eb/N0. In order to meet these requirements, two unique techniques are proposed and discussed, namely, a low carrier cycle skipping rate and a wide AFC capture and hold range. Experimental results show that the proposed techniques meet the requirements and that the resulting 49-Mb/s modem works stably at an Eb/N0 of 3 dB.

Original languageEnglish
Pages (from-to)1797-1802
Number of pages6
JournalConference Record - International Conference on Communications
Publication statusPublished - 1986 Dec 1

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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