A view synthesis-based 360° VR caching system over MEC-Enabled C-RAN

no code implementations • 1 Oct 2020 • Jianmei Dai, Zhilong Zhang, Shiwen Mao, Danpu Liu

If the requested content of a specific view is cached in the BBU pool or RRHs, or can be synthesized with the aid of the cached adjacent views, it is unnecessary to request the content from the remote VR video source server.

Edge-computing

Beamforming Design for the Performance Optimization of Intelligent Reflecting Surface Assisted Multicast MIMO Networks

no code implementations • 15 Aug 2022 • Songling Zhang, Zhaohui Yang, Mingzhe Chen, Danpu Liu, Kai-Kit Wong, H. Vincent Poor

Then, substituting the expressions of the beamforming matrices of the BS and the users, the original sum-rate maximization problem can be transformed into a problem that only needs to optimize the phase shifts of the IRS.