ETRI Journal

  • 제24권6호
  • /
  • Pages.415-428
  • /
  • 2002
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  • 1225-6463(pISSN)
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  • 2233-7326(eISSN)
한국전자통신연구원 (Electronics and Telecommunications Research Institute)
권호 표지

A Satellite Radio Interface for IMT-2000

  • 투고 : 2002.03.19
  • 발행 : 2002.12.31
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초록

This paper presents a new satellite radio interface, satellite code division multiple access (SAT-CDMA), for the satellite component of IMT-2000. The SAT-CDMA was proposed by Korea and was based on wideband CDMA (WCDMA) for a high degree of commonality with the terrestrial component of IMT-2000. Because a satellite link has a longer round trip delay and a higher Doppler shift than a terrestrial link, we developed new technologies that would make the satellite component especially efficient. We present the main features of the SAT-CDMA radio interface by focusing on satellite-specific schemes. We also demonstrate with extensive comparison results the performance of the main technologies in the SAT-CDMA radio interface.

키워드

참고문헌

  1. Recommendation ITU-R M.687-2;International Mobile Telecommunications-2000
  2. Recommendation ITU-R M.1034-1;Requirements for the Radio Interface(s)forIMT-2000
  3. ETRI J. v.24 no.1 Rain Attenuation and Doppler Shift Compensation for Satellite Communications Kim, Shin Soo-Young;Lim, Kwang-Jae;Choi, Kwon-Hue;Kang, Kun-Seok
  4. ETRI J. v.22 no.4 Estimation and Prediction-Based Connection Admission Control in Broadband Satellite Systems Jang, Yeong-Min
  5. Recommendation ITU-R M.1457 revision 1;Detailed Specificationsofthe RadioInterfaces of IMT-2000
  6. ETRI J. v.22 no.4 Adaptive Compensation Method Using the Prediction Algorithm for the Doppler Frequency Shift in the LEO Mobile Satellite Communication System You, Moon-Hee;Lee, Seong-Pal;Han, Young-Yearl
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  9. Proc.ofCIC2001,CD-ROM title Uplink Packet Access for SAT-CDMA Lim, Kwang-Jae;Kim Shin, Soo-Young
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  13. Satellite Communications: Mobile and Fixed Services Miller, Michael J.;Vucetic, Branka;Berry, Les
  14. IEEE J. Select. Areas Comm. v.13 no.2 Open-Loop Power Control Error in a Land Mobile Satellite System Monk, Anton M.;Milstein, Laurence B.