The proliferation of mobile users with an attendant rise in energy consumption mainly at the
base station has requested new ways of achieving energy efficiency in cellular networks …

This paper investigates the energy efficiency (EE) in multiple relay-aided OFDM systems,
where decode-and-forward (DF) relay beamforming is employed to help the information …

The dramatic increase of mobile devices and mobile subscriptions for delay-sensitive high-
rate multimedia services has caused rapidly rising energy consumption, which is a big …

In this paper, two-stage random-access-based massive Internet-of-things uplink
transmission is investigated. In this scheme, aggregator nodes are additionally deployed to …

The deployment of relay stations (RSs) offers a promising and viable approach to satisfy the
increasing need of high data rate in cellular networks. With the expected increase of the …

This paper investigates energy efficient resource allocation for orthogonal frequency division
multiplexing (OFDM) multi-relay networks, where the source node communicates with the …

This paper studies a wireless network consisting of multiple transmitter-receiver pairs where
interference is treated as noise. Previously, the throughput region of such networks was …

Recently, much attention has been paid to the green design of wireless communication
systems using energy efficiency (EE) metrics that should capture all energy consumption …

In this paper, a joint Base Station (BS) and Relay Station (RS) sleep scheduling algorithm is
proposed for relay-aided cellular networks based on Cellular Automata (CA). By applying …

Energy efficiency (EE) of cellular networks has received considerable attention recently.
However, EE of relay-assisted cellular networks has not been thoroughly addressed …