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Coalitional Game Theory for Distributed Cooperation in Next by Walid Saad PDF

By Walid Saad

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The main contributions of this work are summarized in Section 8 and the details are found in Paper B. 4 Spectrum Sensing in Cognitive Radio Networks In this section, we introduce the basic concepts of cognitive radio networks and, then, we identify the key challenges for spectrum sensing as well as the design issues of performing joint spectrum sensing and access in cognitive networks. 1 Basics of Cognitive Radio Networks With the recent growth in wireless services, the demand for the radio spectrum has significantly increased.

Finally, the authors in [28] provide a discussion on the grand coalition and its feasibility when the transmitters employ a partial decode and forward cooperation. In summary, the work in [27, 28] provides valuable insights and results pertaining to fairness and to the cooperation gains when performing virtual MIMO systems. However, this work does not consider any cost for virtual MIMO formation (whether it be at the transmitters or receivers side) nor does it propose any strategies for forming coalitions.

3 Virtual MIMO Systems In this section, we first introduce the basics of multiple antenna systems, and, then, we identify the basic challenges of using cooperation for forming virtual multiple antenna systems. 1 Basics of a MIMO System Next generation wireless communication systems are bound to provide higher data rates and an improved quality of service, in order to support several resource demanding applications such as video transmission or mobile TV. In addition to conventional methods, such as introducing higher modulation types or providing larger bandwidths, improving the performance of wireless systems can be achieved by using multiple antenna systems (multiple-input multiple-output - MIMO).

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Coalitional Game Theory for Distributed Cooperation in Next Generation Wireless Networks Ph.D Thesis by Walid Saad


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