Power control and performance analysis of outage-limited cellular network with MUD-SIC and macro-diversity

  • Authors:
  • Derrick Wing Kwan Ng;Vincent K. N. Lau

  • Affiliations:
  • Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, British Columbia, Canada;Hong Kong University of Science and Technology

  • Venue:
  • IEEE Transactions on Communications
  • Year:
  • 2010

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Abstract

In this paper, we analyze the uplink goodput (bits/sec/Hz successfully decoded) and per-user packet outage in a cellular network using multi-user detection with successive interference cancellation (MUD-SIC). We are interested to study the role of macro-diversity (MDiv) between multiple base stations on the MUD-SIC performance where the effect of potential errorpropagation during the SIC processing is taken into account. While the jointly optimal power and decoding order in the MUDSIC are NP hard problem, we derive a simple on/off power control and asymptotically optimal decoding order with respect to the transmit power. Based on the information theoretical framework, we derive the closed-form expressions on the total system goodput as well as the per-user packet outage probability.