Otimum transmitter power control in cellular radio systems

In cellular radio systems, transmitter power controls aim at achieving acceptable carrier-to-interference (C/I) ratios in all active communication links. All of the existing power control schemes focus on single channel control, which could not guarantee optimal performance if applied to the whole system containing multiple channels. This paper presents a full optimization model for the transmitter power control problem which deals with all channels and cells in the system simultaneously. With the limitations of computational speed and data updating ability, our model, at this moment, may not be appropriate for real-time power control. Rather, our model provides a performance standard that various practical real-time power control methods can achieve. This is important information in the design of a practical real-time system. To solve the optimization model, we use the Lagrangian relaxation technique. Our computational result shows that it is possible to reduce the overall blocking probability by 20 - 50% over the existing power control schemes.
Publisher
INFOR
Issue Date
1997-02
Language
ENG
Keywords

SUBGRADIENT METHOD; PERFORMANCE; CONVERGENCE

Citation

INFOR, v.35, no.1, pp.37 - 47

ISSN
0315-5986
URI
http://hdl.handle.net/10203/6714
Appears in Collection
NE-Journal Papers(저널논문)
  • Hit : 676
  • Download : 6
  • Cited 0 times in thomson ci
This item is cited by other documents in WoS
⊙ Detail Information in WoSⓡClick to seewebofscience_button
⊙ Cited 5 items in WoSClick to see citing articles inrecords_button

qr_code

  • mendeley

    citeulike


rss_1.0 rss_2.0 atom_1.0