Tabuk University, represented by Center for Sensor and Cellular Systems Research, has obtained a patent from US Patent and Trademark Office (USPTO) for the invention of a Quadrature Spatial Modulation System (QSM) in wireless communication. Undersecretary for higher studies and Scientific Research at Tabuk University Dr. Rashid bin Musallat Al-Sharif said that this achievement is a part of a series of achievements made by the University in various fields over past years, stressing the University's efforts to develop scientific innovations and inventions.