Multimedia applications over wireless networks have dramatically increased over the past years. Numerous new devices and applications that distribute audio and video over wireless networks are introduced every day and all of them demands a reliable and efficient wireless standard. Either operating as independent ad-hoc networks or as terminal parts of wired networks or the internet, wireless ne...

The continuous miniaturization process of computing devices featuring wireless technologies influences our everyday life. Besides well-established communication paradigms such as GSM or WLAN which are based on a fixed network infrastructure, unattended and self-organizing networks are envisioned. These so-called wireless Wireless Ad Hoc And sensor netWorks section Distributed Computing Group co...

Wireless telemedicine using GSM and GPRS technologies can only provide low bandwidth connections, which makes it difficult to transmit images and video. Satellite or 3G wireless transmission provides greater bandwidth, but the running costs are high. Wireless networks (WLANs) appear promising, since they can supply high bandwidth at low cost. However, the WLAN technology has limitations, such a...

The concept of pulse-coupled oscillators for self-organized synchronization has been applied to wireless systems. Putting theory into practice, however, faces certain obstacles, particularly in radio technologies that cannot implement pulses but use common messages interactions between nodes. This raises the question how deal with interference messages. We show can disturb process and propose l...

In recent years a new type of wireless networks named wireless mesh networks has drawn the attention of researchers. In order to increase the capacity of mesh network, nodes are equipped with multiple radios tuned on multiple channels emerging multi radio multi channel wireless mesh networks. Therefore, the main challenge of these networks is how to properly assign the channels to the radios. O...

Wireless sensor networks are a network of small sensing devices which collaborate with each other to gather, process and communicate over wireless channel information about some physical phenomena. These self-organising, highly robust and energy efficient networks can be excellent sentinels for monitoring underground mining, wildlife and various physical infrastructures such as bridges, pipelin...