Title :
Nash Bargaining over MIMO Interference Systems
Author :
Chen, Zengmao ; Vorobyov, Sergiy A. ; Wang, Cheng-Xiang ; Thompson, John
Author_Institution :
Joint Res. Inst. for Signal & Image Process., Heriot-Watt Univ., Edinburgh, UK
Abstract :
In this paper, the source covariance matrices of multiple-input multiple-output (MIMO) interference channels (IFCs) are investigated from a game-theoretic perspective. It is proved that the requirement of sufficiently small interference-to- noise ratio (INR) is the sufficient condition for the uniqueness of the Nash bargaining (NB) solution. The structure of the source covariance matrices, which constitute the feasible set of NB solution, is analyzed by comparing them with the covariance matrices leading to the Nash equilibrium (NE). The existence of the NB solution and concavity of the rate product for MIMO IFCs are also studied.
Keywords :
MIMO communication; covariance matrices; game theory; interference (signal); telecommunication channels; MIMO interference systems; Nash bargaining; Nash equilibrium; game theory; interference channels; interference-to-noise ratio; multiple-input multiple-output; source covariance matrices; AWGN; Covariance matrix; Image processing; Interference channels; MIMO; Nash equilibrium; Niobium; Radio transmitters; Signal processing; Sufficient conditions;
Conference_Titel :
Communications, 2009. ICC '09. IEEE International Conference on
Conference_Location :
Dresden
Print_ISBN :
978-1-4244-3435-0
Electronic_ISBN :
1938-1883
DOI :
10.1109/ICC.2009.5199213
