• DocumentCode
    2460764
  • Title

    Code constructions for nonasynchronous-CDMA systems

  • Author

    Wu, Y.W. ; Chang, S.C.

  • Author_Institution
    US Army CECOM RDEC IIWD, Fort Monmouth, NJ, USA
  • fYear
    1998
  • fDate
    16-21 Aug 1998
  • Firstpage
    132
  • Abstract
    Code constructions for quasi-synchronous and asynchronous code-division multiple-access (CDMA) systems with finite delays are presented in this paper. With all transmitted sequences reaching the receiver within a finite delay of D digits, for each J, there are at least 2J(J-2)/(2log2/3)-1+1log23 and (J-1)2J-2/log23 spreading sequences of length 2 J-1D+2J-1 for quasi-synchronous and asynchronous systems respectively
  • Keywords
    code division multiple access; codes; sequences; spread spectrum communication; synchronisation; asynchronous code-division multiple-access; code constructions; finite delays; nonasynchronous-CDMA systems; quasi-synchronous code-division multiple-access; receiver; spreading sequences; transmitted sequences; Arithmetic; Convolutional codes; Delay systems; Information theory; Multiaccess communication; Notice of Violation; Timing; USA Councils;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Information Theory, 1998. Proceedings. 1998 IEEE International Symposium on
  • Conference_Location
    Cambridge, MA
  • Print_ISBN
    0-7803-5000-6
  • Type

    conf

  • DOI
    10.1109/ISIT.1998.708723
  • Filename
    708723