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To cope with the rapidly expanding network scale and population, the heterogeneous content centric networks (HCCNs) have emerged, where the naming content can be shared among different sub-networks by using interest packets. However, In the HCCNs, as these sub-networks are managed by different operators and some sub-network may exhibit selfish behaviors due to the limited resource, how to design a...
Device-to-Device (D2D) communications are planned to become an indispensable part of future mobile networks. A lot of attention has been paid to this new communication paradigm, due to the important benefits it brings for both cellular operators and end-users. Standardization efforts towards enabling D2D connections have started in Release 12 of the Long Term Evolution-Advanced standard and are expected...
Mobile sink has been a significant means to prolong the lifetime of Wireless Multimedia Sensor Networks (WMSNs). However, the mobility of the sink makes the modeling of the WMSNs lifetime a more complex issue. Considering the new properties introduced by a mobile sink, this paper proposed a novel model to define the lifetime of WMSNs with a mobile sink based on energy by taking into account the heterogeneity,...
Mobile Cloud Computing (MCC) is an integration of cloud computing in the mobile environment, which is used to improve the overall performance of the mobile devices. The rapid growth of cloud computing and mobile Internet services has triggered the emergence of mobile cloud services. Among many challenges, QoS management is one of the crucial issues for mobile cloud services. Here the survey of the...
With the proliferation of connectivity enabled smartphones and the huge amount of data that everyday users generate through Web 2.0, the Internet is becoming bigger and bigger. The possibility to search for objects and users' profiles is at the base of the Internet of Everything paradigm. Surprisingly, the more we expand our interconnecting possibilities, the more we are interested in local, context-related...
There is an increasing trend of accessing multimedia and web services embedded with Presence service over the mobile, which have driven the telecom operators to look for the new and better ways to provide such services. Presence service puts a lot of load on the IMS network and it can contribute 50% or more to the total signaling load which can increase end-to-end delay. In this paper we have analyzed...
TCP, the facto standard used in today's Internet, has been found to perform poorly in Mobile Ad Hoc Networks (MANETs). This is exacerbated by contention with increasing UDP-based high priority multimedia traffic and the class differentiation introduced in current QoS protocols, which results into TCP starvation and increased spurious timeouts. In this paper, we propose a cross-layer TCP enhancement...
Due to the lack of QoS support, ensuring an acceptable application level QoS for the real-time delivery of multiobject multimedia presentations on the current Internet is very challenging. Currently, the only feasible solution is to artificially "equalize" the variable network delays. In this paper, we first investigate the application-level objective performance measures which reflect the...
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