The design of survivable mesh based communication networks has received considerable attention in recent years. One task is to route backup paths and allocate spare capacity in the network to guarantee seamless communications services survivable to a set of failure scenarios. This is a complex multi-constraint optimization problem, called spare capacity allocation (SCA). This paper presents a m...

we will apply the successive approximation method forproving the hyers--ulam stability of a linear integral equation ofthe second kind.

This paper proposes a novel approach to improve the performance of heterogeneous network (HetNet) supported by dual connectivity (DC) adopting multiple unmanned aerial vehicles (UAVs) as passive relays that carry reconfigurable intelligent surfaces (RISs). More specifically, RISs are deployed under UAVs termed UAVs-RISs operate over micro-wave ( $\mu \...

This paper investigates an intelligent reflecting surface (IRS)-aided multi-cell multiple-input single-output (MISO) network with a set of multi-antenna base stations (BSs) each communicating multiple single-antenna users, in which IRS is dedicatedly deployed for assisting the wireless transmission and suppressing inter-cell interference. Under this setup, we jointly optimize coordinated transm...

Efficient connectivity in cellular-connected unmanned aerial vehicles (UAV)s is limited by scarcity of the radio spectrum and strong inter-cell interference (ICI). To address these issues, we propose an aerial-terrestrial network non-orthogonal multiple access (ATN-NOMA) scheme. In this proposed scheme, pair user (AU) terrestrial (TU) a NOMA setting to leverage their asymmetric channel gains ra...

For variational inequalities characterizing saddle points of Lagragians associated with convex programming problems in Hilbert spaces, the convergence of an interior proximal method based on Bregman distance functionals is studied. The convergence results admit a successive approximation of the variational inequality and an inexact treatment of the proximal iterations.

Unmanned aerial vehicles (UAVs), especially fixed-wing ones that withstand strong winds, have great potential for oceanic exploration and research. This paper studies a UAV-aided maritime data collection system with UAV dispatched to collect from marine buoys. We aim minimize the UAV’s energy consumption in completing task by jointly optimizing communication time scheduling among buoys flight t...