It is now well known that employing channel adaptive signaling in wireless communication
systems can yield large improvements in almost any performance metric. Unfortunately …

This article surveys different resource allocation algorithms developed for the downlink of
multiuser OFDM wireless communication systems. Dynamic resource allocation algorithms …

In recent years single carrier modulation (SCM) has again become an interesting and
complementary alternative to multicarrier modulations such as orthogonal frequency division …

Recently, interest on the utilization of unmanned aerial vehicles (UAVs) has aroused.
Specifically, UAVs can be used in cellular networks as aerial users for delivery, surveillance …

A cognitive radio network is a multiuser system, in which different users compete for limited
resources in an opportunistic manner, interacting with each other for access to the available …

Researchers in both academia and industry have accepted OFDMA as the most appropriate
air-interface for the emerging broadband wireless access networks and standards. A …

A major disadvantage with fixed modulation (nonadaptive) on channels with varying signal-
to-noise ratio (SNR) is that the bit-error-rate (BER) probability performance is changing with …

In this paper, the problem of resource allocation optimization is studied for a single-cell
multiuser cognitive radio network in the presence of primary user networks. The spectral …

Orthogonal frequency-division multiple access has been adopted by both the WiMAX and
Long Term Evolution standards, which are the two main contenders in the 4G wireless …

We study the radio resource management (RRM) in orthogonal frequency division multiple
access (OFDMA) involved heterogeneous networks, to maximize the system sum-rate under …