Related Experiment Video
Updated: Feb 4, 2026

Investigating the Neural Mechanisms of Aware and Unaware Fear Memory with fMRI
Published on: October 6, 2011
User-Information-Aware D2D Multicast File Distribution Mechanism
Hongcheng Huang1,2, Biao Liu3, Min Hu4
1School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China. huanghc@cqupt.edu.cn.
Abstract:
There are a large number of redundant transmissions in current D2D multicast content delivery systems, which seriously reduces the utilization efficiency of resources. This paper designs a novel user-information-aware D2D video distribution mechanism. More specifically, by predicting users' video requests, the video can be pushed to potential service requesters while distributing video for service requesters. Firstly, the willingness of potential requesters to accept the pushed video is estimated based on the users' interests, the popularity of the videos and the residual-energy of the users' devices, and the user-demand-aware clustering algorithm is proposed. Secondly, considering social and interference information, the utility metric of D2D multicast is proposed to measure the value of content distribution service. Finally, this paper proposes a D2D video distribution mechanism to optimize the utility value. Simulation results show that the proposed mechanism significantly improves throughput, energy and spectrum efficiency compared to the traditional distribution mechanism.
Related Concept Videos
Self-Awareness and Its Effects
Altered States of Awareness
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain...
Subconsciousness and No Awareness
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
High-Level and Low-Level Awareness
Drug Distribution: Volume of Distribution
F Distribution

