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The next generation wireless technology systems are being devised with the vision of heterogeneity where a Multimode Device (MD) would be connected with multiple wireless networks like GSM, WiFi, and WiMAX. Bandwidth is one of the main resources of these technologies which is operated independently that need to be aggregated among these technologies in Heterogeneous Wireless Network (HWN). This paper...
This work presents the results of DRM+ field tests in the VHF band II (FM band) using a low power FM station, which is known in Brazil as Community Radio. The purpose is the assessment of on-channel simulcast transmission, which will exist during the transition period to digital transmission (the so called “analog switch-off”). The results from trials performed in Brasília showed that the achievement...
Multicasting communication serves as one critical operation to support many applications of Mobile Ad hoc networks (MANETs) that achieve group communication rather than pairs of individuals. Multicast routing protocols becomes increasingly important in MANETs because they effectively coordinate a set of nodes. Also, it provides efficient routing for multimedia applications such as video conferences,...
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