A SIMPLE DIVERSITY TECHNIQUE FOR WIRELESS COMMUNICATIONS by : SIAVASH M. ALAMOUTI The Point is that this paper show us or present us about two-branch transmit diversity scheme with 2 antennas and 1 receiver antenna. The new scheme doesn't require any bandwidth xpansion any feedback from the receiver to transmitter and its computation complexity is similiar to MRRC It is further shown that the scheme may easily be generalized to two transmit antennas and M receive antennas to provide a diversity order of 2M . No Authors Title Source Summary of Reported Strength of Reported Weakness of Research Invention Reported Invetion 1 Siavash M. Alamouti A Simple Transmit Diversity...
Photovoltaic Power System with an Interleaving Boost Converter for Battery Charger Applications Author : 1. Sheng-Yu Tseng 2. Cheng-Tao Tsai Source : Hindawi Publishing Corporation International Journal of Photoenergy Volume 2012, Article ID 936843, 15 pages doi:10.1155/2012/936843 Summary of Reported Research > This paper proposed the alternative battery charger with an Interleaving Boost Converter > a power converter (dc/dc converter or dc/ac converter) and MPPT algorithm are required to regulate its output power. > The perturbation-and-observation method requires the measurement of only a few parameters, thus it facilitates an MPPT control > The proposed charger consists of an interleaving boost converter and co...
6TH RUSSIAN-GERMAN CONFERENCE ON ELECTRIC PROPULSION AND THEIR APPLICATION DEVELOPMENT OF KM-60 BASED ORBIT CONTROL PROPULSION SUBSYSTEM FOR GEOSTATIONARY SATELLITE Author : V. V. Vorontsov a , A. N. Kostin a , A. S. Lovtsov a , D. V. Volkov b , Yu. M. Ermoshkin b , E. N. Yakimov b , O. A. Gorshkov c , A. A. Ostapushchenko d , D. V. Udalov d , Yu. S. Arkhipov e , S. A. Buldashev e Source : Procedia Technology 185 ( 2017 ) 319 – 325 Summary of Reported Research : This paper is about development of KM-60 which is the electric propulsion orbit control subsystem for geostationary satellite. Developing thrusters with newly feature such as increased specific pulse and equipped with a xenon storage tank made of composites, a small-sized xenon feed unit, PPU and dedicated software. Strength of reported Invention : - - New Featured were added for orbit control subsystem - - Increasing specific pulse ...
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