RAYmaps

RAYmaps RAYmaps is a blog for sharing concepts related to Wireless Communications. It has 135 posts and more That is what we want to contribute to!

We at RAYmaps realize the tremendous opportunities that exist at the intersection of wireless communications, digital mapping and computing and want to harness our resources and experience to provide solutions that are beneficial to the society. Global Positioning System (GPS) has replaced the traditional cellular network based position location resulting in tracking systems with pinpoint accuraci

es. These GPS devices are now embedded in off the shelf cell phones allowing for exciting location based services to be developed. Traditional terrain databases that consisted of coarse elevation data at 10m or 30m intervals are being replaced by accurate 3D building databases available for free. The computing power that is embedded in smart phones of today would have been acceptable for a desktop machine just a few years back. All these technological developments are only worthwhile if they can bring a positive change in the society. These technologies can help better connect the people, result in equitable distribution of resources, increase security and improve the healthcare and education systems.

Fast Fourier Transform (FFT) one of the top ten algorithms of the 20th century is widely belived to have been invented b...
09/05/2022

Fast Fourier Transform (FFT) one of the top ten algorithms of the 20th century is widely belived to have been invented by Cooley and Tukey but recent research shows that it was in fact invented by Gauss in 1805.

Near Field and Far Field of a Dipole Antenna
02/04/2022

Near Field and Far Field of a Dipole Antenna

While reading an article on social media I came to know that Siavash M. Alamouti has been awarded the Marconi Award for ...
18/03/2022

While reading an article on social media I came to know that Siavash M. Alamouti has been awarded the Marconi Award for the year 2022. It came as no surprise as his work on MIMO technology has been ground breaking and has influenced the work of thousands of researchers. If there is a moot point it is that this award must have been given earlier. Just look up his 1998 paper on Google Scholar and you will find that the number of citations has reached a staggering figure of 18,756. On a personal front, I must admit that when I started my research on MIMO I was having difficulty grasping the concepts and it was Alamouti’s paper that set my direction of research.

I was intrigued to find out who the other recipients of Marconi Award are? And what are their contributions to the field of communications (radio, mobile, wireless, telecommunications, data communications, networks, and Internet)? Lo and behold I found out that there have been more than 50 winners, some individual and some joint. But who are the ones that stand out? That I have come across in my research work and have influenced it? So without any disrespect to the others I have come up with the list of 12 recipients that I find most deserving.

1990 Andrew Viterbi
1994 Robert Kahn
1996 Gottfried Ungerboeck
1997 David Forney
1999 James L. Massey
2003 Robert Gallager
2004 Sergey Brin and Larry Page
2011 Irwin Jacobs
2012 Henry Samueli
2014 Arogyaswami Paulraj
2020 Andrea Goldsmith
2022 Siavash Alamouti

I was intrigued to find out who the other recipients of Marconi Award are? And what are their contributions to the field of communications (radio, mobile, wireless, telecommunications, data communications, networks, and Internet)? Lo and behold I found out that there have been more than 50 winners,....

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