In this paper, we propose two novel semi-blind channel estimation techniques based on QR decomposition for Rayleigh flat fading Multiple Input Multiple output (
Recently, ubiquitous personal devices with a fingerprint authentication function have been increasing. In such devices, there is almost no possibility of the au
In multimedia cellular networks, when a Mobile Host requests multimedia services, it may experience hand-offs to several cells before the request is completely
The numerical world is under a fast development generating facilities and threats. The recommended solutions are especially the protection of information in all
In this paper, we investigate power allocation problem with the use of transmit beamforming in a dual hop MISO (multiple input single output) relay channel. We
This paper describes the design, realization and experimental measurements of an antenna element to operate at ultra-wideband (UWB) spectrum. The type of this a