Performance of successive interference cancellation scheme considering the power control step size in DS/CDMA systems

Dönmez, Nevin (Dogus Author) -- Conference full title: 2011 International Symposium on Innovations in Intelligent Systems and Applications (INISTA 2011) Istanbul, Turkey, 15 - 18 June 2011Game theory is a branch of mathematics and is a powerful tool for analyzing resource conflicts. In wireless communication systems, power and bandwidth (spectrum) are two fundamental and conflicting resources. Efficient use of these resources in the operation of wireless communication systems is challenging. In this paper, the application of game theory for studying uplink power control in code-division multiple-access (CDMA) networks is proposed. Power control problem is modeled as a N-person non-cooperative game in which each mobile user tries to maximize its own utility without any deal among the users. A utility function is defined for each user, which represents the user's choice with respect to the carrier-to-interference ratio (CIR) and the transmitter power. Two main assumptions are made about the utility function in this work. Under the two assumptions, it is shown that there exists an optimum operating point referred to as a "Nash equilibrium" that is unique. One special condition is studied by defining the utility as a linear function. This basic model covers many of the studied power control problems.TUBITAK, IEEE

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Performance of successive interference cancellation scheme considering the power control step size in DS/CDMA systems

Cited by 2 publications

References 10 publications

A Modified Power Control Algorithm for Coordinating CLI in Massive MIMO System

A Modified Power Control Algorithm for Coordinating CLI in Massive MIMO System

A game-theoretic approach to efficient power control in CDMA data networks

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