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Spectrum Sharing for D2D Communications in Fifth-Generation Wireless Networks
Abstract
In this chapter, the authors discuss various spectrum sharing techniques to enable device-to-device (D2D) communications over the licensed spectrum. First, they highlight the need of spectrum sharing in fifth-generation (5G) wireless and mobile networks. Then, they formulate the expressions of useful performance metrics e.g., outage probability, achievable sum-rate, and spectral efficiency of these schemes to refine physical layer design aspects. To give a better picture, they deduce some major practical scenarios where these techniques can play a crucial role in deploying future generation wireless networks. They also cover relevant literature on the spectrum sharing and D2D communications. Numerical and simulation results are provided to elucidate the effect of various system/channel parameters on the considered spectrum sharing schemes over Nakagami-m fading channels.
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