نتایج جستجو برای: d2d communications
تعداد نتایج: 81879 فیلتر نتایج به سال:
The increasing use of social networks such as Facebook, Twitter, and Instagram to share photos, video streaming, and music among friends has generated a huge increase in the amount of data traffic over wireless networks. This social behavior has triggered new communication paradigms such as device-to-device (D2D) and relaying communication schemes, which are both considered as strong drivers fo...
Massive Machine-Type Communications (mMTC) presents significant challenges in terms of the number of devices accessing the shared resource, and coordination among those devices. This paper overviews work on RAN congestion control in order to better manage resources in the context of device-to-device (D2D) interaction among the MTCDs. It then proceeds to introduce a novel grouping-assisted rando...
Device-to-device (D2D) communications have gained great attentions due to the potential and numerous benefits for cellular networks. However,it also brings tremendous resource allocation challenges for the sake of the constraint of battery life. Up to now, there are limited works attempt to prolong the battery life by improving the energy efficiency (EE). In this paper, we study how to perform ...
This paper reports a relative performance analysis of decode-and-forward (DF) and amplify-and-forward (AF) relaying in multi-antenna cooperative cognitive radio network (CCRN) that supports device-to-device (D2D) communications using spectrum sharing technique cellular network. The system model considers as primary users (PUs) while Internet Things Devices (IoDs), involved D2D communications, s...
We consider a geographically constrained caching community where popular data files are cached on mobile terminals and distributed through Device-to-Device (D2D) communications. Further, to ensure availability, data files are protected against user mobility, or churn, with erasure coding. Communication and storage costs (in units of energy) are considered. We focus on finding the coding method ...
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