Siavash Alamouti (Persian: سیاوش الموتی) is an Iranian-American engineer who is best known for the invention of the Alamouti space–time block code, filed in 1997 and patented jointly with Vahid Tarokh. Alamouti's code is a 2 transmit antenna space-time block code and has been adopted in various global standards. He is the CEO at Canadian startup Mimik  (formerly known as Disternet, a company that he funded whilst at Intel and at Vodafone).
Siavash M. Alamouti received the B.S. and the M.Sc. degrees in electrical engineering from the University of British Columbia, Vancouver, Canada, in 1989 and 1991, respectively.
He was an Intel Fellow in the Mobility Group and Chief Technology Officer of its Mobile Wireless Group which was responsible for all wireless standards. This includes the WiMAX Forum, IEEE 802.16, 3GPP, OMA, WiFi Alliance and IEEE 802.11. He was also known as the technical champion of WiMAX technology at Intel a role in which he failed to get WiMAX adopted as the key LTE radio standard.
Alamouti worked for Vivato, Inc., Cadence Design Systems, AT&T Wireless Services and MPR Teltech Ltd. in various engineering roles. Following these roles he was an Intel Fellow and the CTO of the Mobile Wireless Group at Intel Corp. and then a Group R&D Director for Vodafone.
Alamouti holds over 20 patents in the areas of wireless communication applications and wireless systems design. He has authored many publications and technical reports.
- S.M. Alamouti (October 1998). "A simple transmit diversity technique for wireless communications". IEEE Journal on Selected Areas in Communications 16 (8): 1451–1458. doi:10.1109/49.730453.
- Siavash Alamouti and Vahid Tarokh. "United States Patent No. 6,185,258". United States Patent and Trademark Office. Retrieved 2013-03-06.
- "Mimik". Retrieved 21 May 2014.
- Telecoms magazine
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