Abstract Recent advancements in sensor technology, wireless networks and consequently wireless sensor networks and the increase of their applications in different fields have led to their great importance. One of the most important challenges is the management of huge amount of data produced by sensors in network in order to reduce data traffic in network and minimize the energy consumption. This paper gives a... Recent advancements in sensor technology, wireless networks and consequently wireless sensor networks and the increase of their applications in different fields have led to their great importance. One of the most important challenges is the management of huge amount of data produced by sensors in network in order to reduce data traffic in network and minimize the energy consumption. This paper gives a survey on different data fusion techniques dividing them into two main groups: structured and structure-free. The main properties of structured approaches are discussed and the motivations to introduce structure-free approaches are emphasized via describing the shortcomings of structured approaches. Read More Read Less

Abstract Over the last years a number of new protocols have been developed for multimedia applications in the whole OSI layer’s scale. In addition wireless communications and networking fast occupy centre stage in research and development activity in the area of communication networks. In order to support better wireless user the cross layer design paradigm has been proposed. This chapter presents the challenges in... Over the last years a number of new protocols have been developed for multimedia applications in the whole OSI layer’s scale. In addition wireless communications and networking fast occupy centre stage in research and development activity in the area of communication networks. In order to support better wireless user the cross layer design paradigm has been proposed. This chapter presents the challenges in design and implementation of cross layer adaptation schemes for multimedia transmission over wireless networks. In addition this chapter presents the most important parameters and constrains that should be taken into consideration when attempting cross layer adaptation in wireless networks that involves different protocols in the overall protocol stack. Read More Read Less

Abstract For the mapping the network interconnection of the different technology MPLS backbone and the wireless network WiFi, we have only one choice to ensure the Quality of service the end-to-end. It is the service mapping considering as the future solution to ensuring the performance traffic engineering between Label Switch Path "LSP" of MPLS and access Category "AC" of IEEE802.11e wireless. This paper will... For the mapping the network interconnection of the different technology MPLS backbone and the wireless network WiFi, we have only one choice to ensure the Quality of service the end-to-end. It is the service mapping considering as the future solution to ensuring the performance traffic engineering between Label Switch Path "LSP" of MPLS and access Category "AC" of IEEE802.11e wireless. This paper will propose the mapping between these technologies with Fuzzy logic to optimize the quality of service in MPLS networks. MPLS and 802.11e is very useful approach for today’s things, the internet of Big Data to keep a level of the Quality of service the end-to-end. It studies about different approaches to map 802.11e Access Categories (AC) to Label Switched Path (LSP) and their contributions. It then introduces the concept of encapsulated LSPs with Fuzzy to achieve future QoS, which requires an in-depth study to examine its practicability. Read More Read Less