Multiple Access Interference in Multi-beam CDMA-based LEO Satellite Systems

  • Hongyi Fu
  • Guoan Bi
  • K. Arichandran


The multiple access interference in CDMA uplinks for a multi-beam LEO satellite system is analytically investigated. Instead of the simplified analyses in previous related work, a comprehensive model including the effects of spot beam antenna characteristics, mobile satellite link and power control is proposed to evaluate all possible interference in the system. It is shown that the multiple access interference in satellite CDMA is much more severe than that in terrestrial CDMA even when the interferes only within the given satellite’s footprint are considered. In particular, the interferers located outside the footprint but seen by the satellite are taken into account in our analysis. The results show that the interference from this category also has a substantial share in the total interference.


Spot Beam Interference Power Reference Satellite Multiple Access Interference Slant Range 
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  1. [1]
    H. Fu, G. Bi, and K. Arichandran, “Effect of multiple access interference on performance of multi-beam CDMA-based LEO satellite systems,” Electr. Letts., vol. 34, pp. 149–150, Jan. 1998.CrossRefGoogle Scholar
  2. [2]
    P. Monsen, “Multiple-access capacity in mobile user satellite systems,” IEEE J. Select. Areas Commun., vol. 13, pp. 222–231, Feb. 1995.CrossRefGoogle Scholar
  3. [3]
    B. R. Vojcic, R. L. Pickholtz and L. B. Milstein, “Performance of DS-CDMA with imperfect power control operating over a low earth orbiting satellite link,” IEEE J. Select. Areas Commun., vol. 12, pp. 560–567, May 1994.CrossRefGoogle Scholar
  4. [4]
    A. Jamalipour and A. Ogawa, “Packet admission control in a direct-sequence s I- spectrum LEO satellite communications network,” IEEE J. Select. Areas Commun., vol. 15, pp. 1649–1656, Oct. 1997.CrossRefGoogle Scholar
  5. [5]
    E. Lutz, “Other-cell interference in satellite power-controlled CDMA uplink,” in Proc. 5th Int. Mobile Satellite Conf., pp. 83–88, Pasadena, CA, June 1997.Google Scholar
  6. [6]
    E. Lutz, D. Cygan, M. Dippold, F. Dolainsky, and W. Papke, “The land mobile satellite communication channel-recording, statistics and channel model,” IEEE Trans. Veh. Technol., vol. 40, pp. 375–385, May 1991.CrossRefGoogle Scholar
  7. [7]
    H. Fu, G. Bi, and K. Arichandran, “Capacity comparison of CDMA and FDMA/TDMA for a LEO satellite system,” in Proc. ICC’99, Vancouver B.C. Canada, June 1999.Google Scholar
  8. [8]
    F. Vatalaro, G. E. Corazza, C. Caini, and C. Ferrarelli, “Analysis of LEO, MEO and GEO global mobile satellite systems in the presence of interference and fading,” IEEE J. Select. Areas Commun., vol. 13, pp. 291–300, Feb. 1995.CrossRefGoogle Scholar
  9. [9]
    A. J. Viterbi and A. M. Viterbi and E. Zehavi, “Other-cell interference in cellular power-controlled CDMA,” IEEE Trans. Commun., vol. 42, pp. 1501–1504, Feb./March/April 1994.Google Scholar

Copyright information

© Springer Science+Business Media New York 1999

Authors and Affiliations

  • Hongyi Fu
    • 1
  • Guoan Bi
    • 2
  • K. Arichandran
    • 2
  1. 1.Centre for Wireless CommunicationsNational University of SingaporeSingapore
  2. 2.School of Electrical and Electronic EngineeringNanyang Technological UniversitySingapore

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