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- W1968216331 abstract "Heterogeneous deployment is a promising solution to enhance both system capacity and coverage, where the planned macro cell is overlaid with pico cells. However, higher transmit power of macro eNB (MeNB) results in small coverage for pico cell, which causes insufficient offloading from macro cell to pico cell and inefficient cell splitting gain exploration. Cell range expansion (CRE) is one of alternative cell associations to enhance offloading, but would bring severe interference on the uplink reception of macro cell. Hence, the use of enhanced inter-cell interference coordination (eICIC) techniques is required to realize the promised performance of macro user equipments (MUEs). In this paper, an adaptive uplink power control scheme is proposed for heterogeneous network (HetNet) with CRE, wherein the uplink power control parameters of pico cells could be dynamically optimized based on admissible interference level of macro cell. In addition, the proposed scheme manages to improve the performance of pico UEs (PUEs) on condition that the Quality of Service (QoS) of MUEs can be well guaranteed. Numerical simulation results verify the validity of the proposed scheme." @default.
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- W1968216331 date "2012-09-01" @default.
- W1968216331 modified "2023-09-24" @default.
- W1968216331 title "Uplink power control and interference coordination for heterogeneous network" @default.
- W1968216331 cites W2108011318 @default.
- W1968216331 doi "https://doi.org/10.1109/pimrc.2012.6362840" @default.
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