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Volume 299 - The 7th International Conference on Computer Engineering and Networks (CENet2017) - Session II - Wireless communication
A Downlink Interference Suppression Scheme for Ultra Dense Networks
G. Tan,* G. Wu, Y. Li, Y. Wang, F. Feng
*corresponding author
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Pre-published on: 2017 July 17
Published on: 2017 September 06
In scenarios of the downlink of the ultra-dense network (UDN), in order to effectively overcome the influence of the interference sources of multiple similar-intensity on the user performance,
resulting from the decrease of the distance between nodes and the similarity of the transmission loss of the neighboring nodes, a user-centric interference coordination scheme based on priority (PUCIC) was proposed in this paper. In order to facilitate quantifying the bandwidth performance gains achieved through base stations collaboration, a performance metric was proposed to calculate the bandwidth loss-gain-rate. Through the quantitative value of bandwidth loss-gain-rate, it’s easy to know whether the user performance gain obtained in the scheme is less than the bandwidth loss to determine whether the scheme is profitable in specific UDN scenarios. Thus, parameter settings were optimized by the maximum loss ratio that the system can accept.
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