• DocumentCode
    1751114
  • Title

    Using multi-level QAM modulation in CDMA system

  • Author

    Wei, Yongbin ; Tiedemann, Edward G., Jr. ; Ling, Fuyun ; Sarkar, Sandip

  • Author_Institution
    Qualcomm Inc., San Diego, CA, USA
  • Volume
    1
  • fYear
    2001
  • fDate
    2001
  • Firstpage
    633
  • Abstract
    To facilitate the design of packet data transmission in CDMA systems using rate adaptation, an expression is developed based on the channel capacity result that can be used to compute the maximum supportable rate for a given channel condition and available system resources. This provides an alternative approach to choose the code rate and modulation more efficiently than simulations. Numerical examples and simulation are included to elaborate the result
  • Keywords
    cellular radio; channel capacity; code division multiple access; packet radio networks; quadrature amplitude modulation; CDMA system; available system resources; channel capacity; channel condition; code rate; maximum supportable rate; modulation; multi-level QAM; packet data transmission; rate adaptation; AWGN; Channel capacity; Computational modeling; Data communication; Frequency; Modulation coding; Multiaccess communication; Numerical simulation; Quadrature amplitude modulation; Telephony;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Vehicular Technology Conference, 2001. VTC 2001 Spring. IEEE VTS 53rd
  • Conference_Location
    Rhodes
  • ISSN
    1090-3038
  • Print_ISBN
    0-7803-6728-6
  • Type

    conf

  • DOI
    10.1109/VETECS.2001.944920
  • Filename
    944920