Microwaves & RF: Inside Track with Kevin Kelly, CEO, LGS Innovations
Posted on: January 25, 2017

The last 20 years have seen the massive adoption of mobile communications and data services by the global user community, a remarkable expansion in worldwide wireless network capacity, and a meteoric rise in the wireless equipment and enabling technology markets. This virtuous cycle has driven both technological innovation and a continuously increasing demand for a decidedly finite resource in this ecosystem: RF spectrum. Microwaves & RFtalked with Kevin Kelly, CEO of LGS Innovations, about the evolving trends in this arena.

What are some of the specific challenges associated with today’s crowded RF spectrum?

The origins of today’s crowded RF spectrum are diverse, and pose real concerns. Spectrum is a finite resource, and not all frequencies are equally desirable. The most desirable frequency bands (VHF, UHF, and the low microwave bands) are already very crowded, and the explosive growth of cellular communications and the Internet of Things (IoT) are driving tremendous pressure for spectrum access.

At this month’s Consumer Electronics Show (CES), an estimated one of three displays pertained to IoT, with devices as diverse as automobiles, washing machines, and wearables featuring embedded wireless transmitters. Considering the possibility of nearly every person having multiple transmitters—many communicating nearly continuously and concurrently—it is easy to understand how quickly spectrum is becoming an even more valuable resource.

This resource needs to be utilized in an optimal manner in order to extract every bit of spectrum availability. It requires an approach that allows for the simultaneous dynamic sharing of this resource across the dimensions of frequency, time, physical layer code, multiple input, multiple output (MIMO) multiplexed channel, and/or geography.

More users accessing increasingly scarce spectrum yields an increase in overall RF noise and RF interferers. Nulling interferers and reducing noise becomes more difficult—both technically and from a policy perspective—in this rapidly evolving, heterogeneous spectral environment.

Read the full article at Microwaves & RF: http://mwrf.com/systems/inside-track-kevin-kelly-ceo-lgs-innovations

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