• DocumentCode
    1025762
  • Title

    Sum Capacity of One-Sided Parallel Gaussian Interference Channels

  • Author

    Sung, ChiWan ; Lui, KennethW K. ; Shum, KennethW ; So, H.C.

  • Author_Institution
    City Univ. of Hong Kong, Hong Kong
  • Volume
    54
  • Issue
    1
  • fYear
    2008
  • Firstpage
    468
  • Lastpage
    472
  • Abstract
    The sum capacity of the one-sided parallel Gaussian interference channel is shown to be a concave function of user powers. Exploiting the inherent structure of the problem, we construct a numerical algorithm to compute it. Two suboptimal schemes are compared with the capacity-achieving scheme. One of the suboptimal schemes, namely iterative waterfilling, yields close-to-capacity performance when the cross link gain is small.
  • Keywords
    Gaussian channels; channel capacity; interference; iterative methods; concave function; iterative waterfilling scheme; one-sided parallel Gaussian interference channel; sum channel capacity; Channel capacity; Degradation; Frequency; Gaussian noise; Integrated circuit modeling; Interference channels; Iterative algorithms; Iterative methods; Performance evaluation; Performance gain; Gaussian interference channels; iterative waterfilling; sum capacity;
  • fLanguage
    English
  • Journal_Title
    Information Theory, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9448
  • Type

    jour

  • DOI
    10.1109/TIT.2007.911178
  • Filename
    4418503
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1025762