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We consider an adaptive co-primary spectrum sharing scheme based on playing one-shot games between co-located distributed Radio Access Networks (RANs). Spectrum is divided into private and shared parts, and each RAN internally applies coordinated multi-point transmissions. Zero-forcing precoding is used in the private part, while unitary precoding is applied in the non-orthogonally shared part. A...
Inter-operator spectrum sharing is expected to play a key role in fulfilling the predicted spectrum demand for future wireless systems. In this work, we propose an adaptive co — primary shared access scheme between co-located Radio Access Networks (RANs) owned by different operators. In the literature, the main focus is on orthogonal spectrum sharing. In this work, the spectrum is adaptively partitioned...
To cope with the growing demand of mobile data in hot spot areas of wireless networks, the use of massive small cell deployments with universal frequency reuse is essential. Such an aggressive reuse of spectral resources increases the level of co-channel interference, and calls for advanced multi-cell interference coordination techniques to capitalize cell densification gains. One option to address...
This work focuses on the design and analysis of distributed stochastic precoding algorithms for multiple-input single-output (MISO) interference channels, where each transmitter is provided with mean information of its intended channel and that of interfering channels. Unlike in cases where exact channel gains are known as in most existing works, here generalrank precoding is required for optimality...
We consider a general central complex Wishart matrix derived from non-circular complex Gaussian vectors. We present a technique for evaluation of the probability density, cumulative distribution, and moment generating functions of the joint distribution of the diagonal elements of the Wishart matrix. We give examples of application of the obtained results.
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