The multiple-input, multiple-output (MIMO) communication system was proposed in the mid-nineties as a revolutionary approach to achieve very fast wireless data and video communication, multi-media, web browsing, tele-medicine, etc... It is a methodology that promises to significantly increase capacity and reliability and has been an active area of research for the last few years. However, the performance improvement offered by a MIMO signaling scheme, strongly depends on the accurate estimate of the MIMO inter-symbol interference (ISI) fading channel. Without highly complex hardware implementation, this estimation is very difficult, which is why it has not been widely commercialized. Mr. Wang's patented methodology, "MIMO ISI Channel Estimation Using Uncorrelated Complementary Sets of Sequences," not only achieves the minimum possible estimation error, but can also be implemented with very low hardware complexity, making it the ideal channel estimation method appropriate for commercial MIMO applications. This patent will pave the way towards more successful and cost-effective deployment of all MIMO-based systems.

Shuangquan Wang has authored numerous papers that have been published or accepted by professional engineering journals and conferences, and has been the recipient of numerous scholarships. The MIMO ISI Channel Estimation Using Uncorrelated Complementary Sets of Sequences is his fourth patent.