... Cellular wireless technology today has become the prevalent technology for wireless ...types of devices such as laptops and Personal Digital Assistant (PDA) can connect to Internet via cellular ...
... group of nodes which ranges from few to several hundred or even ...consists of small light weighted wireless nodes called sensor ...size of a back-pack to the size of grain dust. The ...
... emergence ofwireless sensor networks (WSNs) has currently become increased with wide-ranging applications from health, home, and environmental to military, space and ...case of ad-hoc ...
... class ofnetworks is motivated by the mathematical representation of cellular wireless ...group of base stations covering some geo- graphical ...communicate with a base station ...
... in wireless sensor ...notion of time. Some intrinsic properties of sensor networks such as limited resources of energy, storage, computation, and bandwidth, combined with ...
... design of call admission control algorithm must take into consideration the packet level QoS parameters like minimum delay, jitter as well as session level QoS parameters like call blocking probability (CBP) and ...
... amount of data to process and are temporal constraints many transactions may miss their deadline, degrading then the ...status of the targeted ...quality of service ...compared with data ...
... growth of people in major cities and the permanent concern with our natural resources, such as energy, it is inevitable that we look for ways to improve our urban transportation ...way of improving ...
... The performanceof single-source single-relay cooperative ARQ was studied through analytical model, and the performanceof two cooperative ARQ protocols is compared against two non-cooperative ...
... direction of a mobile user, and/or variations of those values as input parameters of the ...and performance degradation. In order to cope with this problem, we check the necessity ...
... The performanceof mobile and wirelessnetworks depends on the time-varying nature of the wireless channel and on the different protocols working on physical and Medium Access ...
... objective of this thesis was through simulation validate the results obtained in the pre- vious theoretical study about network inaccessibility in IEEE ...802.15.4 wireless commu- nications, by providing ...
... lifetime of the battery operated wireless sensor nodes through the design of low power medium access control protocols dealt in this ...MAC with Overhearing Avoidance (OPC-OA) was ...power ...
... evolution of e-health applications it is possible to have sensors of all the sizes and with numerous features, even sensors that can be placed inside (intra-body sensor) or outside (inter-body ...
... combine with node5 data and forms a new data, and this new data is sent to node3, Again node3 fuses node4’s data with its own data, forms a new data transmits to the ...data with its own and forms a ...
... set of standards for implementing WLAN (wireless local area networking) communications in the ...for wireless network products using the Wi-Fi ...bandwidth of 22MHz, (though the nominal ...
... One of the most important issues in Wireless Sensor Networks (WSNs) is severe energy ...the performanceof Sensor Networks is strongly dependence to the network lifetime, ...
... exception of [15]) only account for unicast ...co-existence of unicast and broadcast traffic in the ...means of a 1-D Markov Chain. It was the first research work dealing with the Consecutive ...
... Computer networks form an essential substrate for the multitude of distributed application which is now an essential part of modern business and personal ...the performanceof computer ...