Space-time Block Coding

Posted on Jul 22 2013 - 2:40pm by Manzar Chaudhury

Hamid Jafarkhani who contributed so richly to the wireless communications field is a Chancellor’s Professor in electrical engineering and computer science at the University of California.

Although the Iranian published number of papers on different fields he is admired for his outstanding works on the field of space–time block coding. His papers namely “Space–time block codes from orthogonal designs”, which established the theoretical basis for space–time block codes, and “Space–time block coding for wireless communications: performance results”, which explained numerical analysis of the performance of the first such codes have brought revolution in wireless communication system.

What is space–time block coding? In short, Space–time block coding is a technique that not only helps transmit multiple copies of a data stream across a number of antennas but also exploit the a range of received versions of the data.

Introducing quasi-orthogonal space–time block codes in 2001 Jafarkhani helped people overcome some of the difficulties inherent in earlier codes. He moreover, surprised the world providing the super-orthogonal space–time trellis codes, a more powerful version of his original codes, in 2003.

In January 2003, Jafarkhani received a National Science Foundation CAREER award for his incomparable brilliance. The award “recognizes outstanding scientists and engineers who, early in their careers, show exceptional potential for leadership at the frontiers of knowledge”.

The dedicated Muslim researcher who has been working on communications theory, particularly coding and wireless communications and networks for long was born in Tehran in 1966.

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