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In face of the rapid growth of data traffic in cellular networks, Cloud Radio Access Network (C-RAN) architecture has been proposed as a solution to obtain better performance in terms of efficiency, expansibility, elasticity, stability and expenditure such as Capital Expenditure (CAPEX) and Operational Expenditure (OPEX). However, C-RAN demands a comprehensive evaluation model and accurate qualitative...
In this paper, we propose an algorithm to solve the joint frequency resource and transmission power allocation problem for heterogeneous network (HetNet) of LTE-Advanced (LTE-A) systems, which consiste of several types of base station nodes, such as macrocell, picocell (hotzone), femtocell and relay. The optimization problem is formulated to minimize the sum downlink interference power level of all...
Device-to-Device (D2D) communication underlaying cellular network is considered to be a promising resource reuse technique, and it is basically developed for lots of local services. Considering the differences of the quality of services (QoS) between cellular and D2D users, the resource allocation scheme for D2D should flexibly allocate resource for D2D, rather than limiting one D2D user to share...
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