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To cope with the ever-increasing demands on higher spectral efficiency, a tight frequency reuse will be adopted for future wireless communication systems as 3GPP LTE, IEEE 802.11n and IEEE 802.16m. Adaptive modulation and coding schemes will be supported in the next generation wireless systems which combined with the diversified data services will lead to variable transmission rate streams. These system characteristics will overall lead to an interference limited system. Most state-of-the-art wireless systems deal with the interference either by orthogonalizing the communication links in time or frequency or allow the communication links to share the same degrees of freedom but model the interference as additive Gaussian random process.
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