Abstract
This paper focus on energy efficiency (EE) in Coordinated Multi-Point (CoMP) transmission with perfect feedback under single-user scenario. Considering the power consumed by cooperative BSs, an energy-efficient optimization function is established. This optimization goal is simplified after analyzing capacity of non-CoMP and CoMP. Then the relationship between energy efficiency and cooperative BSs’ number is analyzed. Simulation results show that when the selected number of cooperative BSs is smaller than a threshold, EE increases with the increasing of the number of cooperative BSs and when it exceeds the threshold, EE decreases with the increasing of the number of cooperative BSs.
Highlights
INTRODUCTIONCoordinated Multi-Point (CoMP) transmission technology is proposed to solve this issue by 3GPP [1]
In many practical systems, SINR is low, especially near the cell edge
Coordinated Multi-Point (CoMP) transmission technology is proposed to solve this issue by 3GPP [1]
Summary
Coordinated Multi-Point (CoMP) transmission technology is proposed to solve this issue by 3GPP [1]. The user throughput and spectral efficiency of CoMP is analyzed in[[3]. One of the main challenges in CoMP transmission is energy consumption as several information between coordinated BSs need to be exchanged[5]. A energy-efficient design for heterogeneous network (HetNet) CoMP architecture is proposed [6]. A approach of energy efficient CoMP precoding is designed in HetNets [[8].Enhanced Multimedia Broadcast Multicast Service (E-MBSFN), as a multi-cell transmission system, introduces a single frequency network transmission, namely realizing synchronized transmission using the same block of time and frequency in multi-cells[9].
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