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In traditional cellular networks, cell edge users suffer from severe interference. This paper considers a cell free network scenario that multiple base stations (BSs) serve a group of users without cell boundary. Each user can only be served by its own BS according to the traditional cellular network paradigm, while in the user centric cell free network, users can be associated with multiple nearby...
In this paper, we investigate the impact of massive MIMO and distributed precoding on the performance of densified cellular networks via large system analysis. Based on the fact that the network rate performance of the cellular networks is scale invariant with reduced cell size, we want to find out if the interference of large scale dense cellular networks can be alleviated by the use of large scale...
Channel state information (CSI) is critical for the performance of multicell cooperative transmission. This paper compares two cooperative multicell precoding methods, namely, centralized precoding with global CSI and distributed precoding with local individual CSI. For both cases, the BSs have access to the data of all the users. The only difference is that in centralized precoding, the precoding...
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