LBVC: towards low-bandwidth video chat on smartphones

X Qi, Q Yang, DT Nguyen, G Zhou, G Peng - Proceedings of the 6th ACM …, 2015 - dl.acm.org
Video chat apps enable users to stay in touch with their family, friends and colleagues.
However, they consume a lot of bandwidth and hence can quickly use up a monthly data …

A context-aware framework for reducing bandwidth usage of mobile video chats

X Qi, Q Yang, DT Nguyen, G Peng… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
Mobile video chat apps offer users an approachable way to communicate with others. As
high-speed 4G networks are being deployed worldwide, the number of mobile video chat …

Sparsity analysis of FH-BPSK signals via K-SVD dictionary learning

Y Zhang, W Yang, Y Cheng - 2016 First IEEE International …, 2016 - ieeexplore.ieee.org
Compressed sensing provides a new method to meet the processing requirements of the
ultra wideband, high frequency band, high data rate and high sampling rate of frequency …

Fundamental limits and achievable strategies for low energy compressed sensing with applications in wireless communication

T Li, M Bakshi, P Grover - 2016 IEEE 17th International …, 2016 - ieeexplore.ieee.org
We consider energy-efficient decoding for multiuser detection in a wireless channel with n
potential users, each of which participates with probability p. We model this problem as that …

[BOOK][B] Improving Context Recognition and Leveraging Context Awareness in Mobile Systems

X Qi - 2015 - search.proquest.com
Various sensors compose a unique and indispensable component of modern mobile
devices. They digitize physical information into sensor readings, with which contexts of …