Large-scale array aided beamforming improves the spectral efficiency(SE) as a benefit of high angular resolution.When dual-beam downlink beamforming is applied
In this paper, a generalized three-dimensional(3D) scattering channel model for macrocellular land mobile environments is considered. This model simultaneously
Recently, Denial-of-Service(Do S) attacks have become the mainstream threat to the Internet service availability. The filter-based packet filtering is a key technology to defend against such attacks.