The infrastructure of communication networks is vulnerable to emergencies or natural
catastrophes such as earthquakes, tsunamis, among others. When these emergencies arise …

The recent advances in wireless communication have led to the problem of growing
spectrum scarcity. The problem of spectrum allocation is due to advance research in …

Mobile ad-hoc network (MANET) can be established in the areas/scenarios where the
infrastructure networks are either out of service or no more available. MANETs have a lot of …

Disasters frequently occur across both developed and developing countries, they are
unpredictable in terms of time, place and consequences, victims trapped in disaster area …

Cognitive Radio (CR) was designed to support flexible spectrum usage by adding spectrum
sensing facilities and decision making logic to the radio devices. Cognitive Radio Network …

Wireless networks are very significant in the present world owing to their widespread use
and its application in domains like disaster management, smart cities, IoT etc. A wireless …

Cognitive Radio (CR) operates in different fields as varied, one of these is cognitive radio
networks. In this paper, we propose a new approach used CR, which aims to manage …

Technological advances in recent years have reduced the manufacturing costs of wireless
devices, increasing the number of such devices and applications. Most of these applications …

With the remarkable advancements in wireless technology, the scarcity of the available
spectrum has become more severe. Cognitive Radio (CR) technology is introduced as an …

When the serious natural disaster happens, the existing communication infrastructure may
be out of work. In order to rescue on site effectively, it is necessary to construct a stable and …