Interference Cancellation trough Interference Alignment for Downlink of Cognitive Cellular Networks
نویسندگان
چکیده
In this letter, we propose the interference cancellation through interference alignment at the downlink of cognitive cellular networks. Interference alignment helps the spatial resources to be shared among primary and secondary cells and thus, it can provide higher degrees of freedom through interference cancellation. We derive and depict the achievable degrees of freedom. We also analyse and calculate the achievable sum rates applying water-filling optimal power allocation.
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عنوان ژورنال:
- CoRR
دوره abs/1411.6466 شماره
صفحات -
تاریخ انتشار 2014