A key challenge of future mobile communication research is to strike an attractive
compromise between wireless network's area spectral efficiency and energy efficiency. This …

Reducing energy consumption in wireless communications has attracted increasing
attention recently. Advanced physical layer techniques such as multiple-input multiple …

In this paper, resource allocation for energy-efficient communication in an orthogonal
frequency division multiple access (OFDMA) downlink network with a large number of …

Assume that a multi-user multiple-input multiple-output (MIMO) communication system must
be designed to cover a given area with maximal energy efficiency (bits/Joule). What are the …

Energy efficiency has gained its significance when service providers' operational costs
burden with the rapidly growing data traffic demand in cellular networks. In this paper, we …

This paper investigates the joint transmitter and receiver optimization for the energy
efficiency (EE) in orthogonal frequency-division multiple-access (OFDMA) systems. We first …

In this paper, we investigate adaptive configuration of spatial and frequency resources to
maximize energy efficiency (EE) and reveal the relationship between the EE and the …

Conventional cellular wireless networks were designed with the purpose of providing high
throughput for the user and high capacity for the service provider, without any provisions of …

Adaptively adjusting system parameters including bandwidth, transmit power and mode to
maximize the" Bits per-Joule" energy efficiency (BPJ-EE) in the downlink MIMO systems with …

This brief mainly investigates energy efficiency (EE) and spectrum efficiency (SE) for the
uplink massive multiple-input-multiple-output orthogonal frequency-division multiplexing …