In distress and crisis situations, the way how the rescuers answer is extremely important and
critical. Rapidity on which Search and Rescue (SAR) operations are deployed and executed …

As the Internet of Things (IoT) continues to expand, the need to combine communication
technologies to cope with the limitations of one another and to support more diverse …

The increasing number of IEEE 802.11 networks deployed worldwide gives mobile users the
possibility of experiencing high-speed wireless access on the move. Moreover, the high …

In this paper, we study the IEEE 802.11 discovery process needed for handovers and
propose an adaptive scanning strategy based on application requirements. The scanning …

WiFi direct is a variant of Infrastructure mode WiFi, which is designed to enable direct Device-
to-Device (D2D) communications between proximity devices. This new technology enables …

Abstract Traditionally, Wi-Fi networks are discovered by actively transmitting probe requests.
The alternative, passive scanning, is rarely used because it is substantially slower …

Due to the low-speed GPS transmission and poor signal quality, localization is considered
an expensive operation in battery-operated smartphones. This is even worse for apps that …

Wi-Fi channel scanning-the task of searching for available channels at a given location-is a
fundamental feature to maintain always-available and high-quality wireless connectivity in …

Due to the increasing deployment of city-wide IEEE 802.11 networks for nomadic Internet
access, there is a great potential for users wanting to access the network while being on the …

This paper analyzes the scanning process in IEEE 802.11 networks in an urban setting
characterized by a high Access Point (AP) density. Most of these APs belong to a community …