Beamforming Essays

  • Improving the Overlapping Basic Service Set Problem

    1567 Words  | 4 Pages

    Wireless LANs have expanded greatly and rapidly in recent years. The expansio¬¬¬¬¬n has caused many benefits to the end users but at the same time it has introduced problem of overlapping BSS (Basic Service Set) where BSS (i.e. WLAN cells) is fundamental block of IEEE 802.11 WLAN architecture. OBSS occurs due to two or more unrelated BSSs are used at the same place, at the same time and with the same frequency channel. With the expansion of channel bandwidth to 80 MHz (may be, 160 MHz) in upcoming

  • Global-navigation Satellite Systems

    1058 Words  | 3 Pages

    based navigation systems are becoming a necessity of the future. However there are many challenges to overcome to make fast and accur... ... middle of paper ... ...ng, Peng Chen, Wei Hong, T. Djerafi and Ke Wu, “Substrate Integrated Waveguide Beamforming Networks and Multibeam Antenna Arrays for Low-Cost Satellite and Mobile Systems,” Antennas and Propagation Magazine, IEEE, vol. 53, no. 6, pp. 18-30, 2011. [7] S. Sugawara, Y. Maita, K. Adachi and K. mizuno, “Characteristics of a mm-wave tapered

  • Working Memory and Its Benefits

    2422 Words  | 5 Pages

    individual single-shell models were derived from the segmentation of these structural MRIs. Source Reconstruction: All kinds of data were analyzed using Matlab with custom scripts and the open source Matlab-toolboxes Field Trip and SPM2. A linear beamforming approach was applied to estimate the spectral amplitude and phase of neural population signals at the cortical source level (Gross, Kujala, Hamalainen, Timmermann, Schnitzler and Salmelin, 2001; Siegel et al, 2008). This source reconstruction technique