[K4RY] Cognitive radio talk coming, Oct. 14

[John Hung]

Hey K4RY radio club!  An interesting talk is coming to Broun Hall on Wednesday, Oct. 14. Everyone is welcome. Notice is attached.

John Hung
KI4NHX



IEEE Solid-State Circuits Society SSCS Distinguished Lecture

Title: Cognitive and Interference Robust Radio Transceiver Chips

Distinguished Lecture Speaker: Professor Eric Klumperink
Affiliation: Department of Electrical Engineering, University of Twente, the Netherlands


Abstract: A Cognitive Radio transceiver senses its radio environment and adaptively utilizes free parts of the radio spectrum. CMOS IC-technology is the mainstream technology to implement smart signal processing and for reasons of cost and size it is attractive to also integrate the radio frequency (RF) hardware in CMOS. This lecture discusses radio transceiver ICs designed for cognitive radio applications, with focus on analog RF. Cognitive radio asks for new functionality, e.g. spectrum sensing and more agility in the radio transmitter and flexibility in the receiver. Moreover, the technical requirements on the building blocks are more challenging than for traditional single standard applications, e.g. in bandwidth, programmability, sensing sensitivity, blocker tolerance, linearity and spurious emissions. Circuit ideas that address these challenges will be discussed, and examples of chips and their achieved performance will be given. Moreover, the radio spectrum is becoming more and more crowded, and radio receivers become interference limited. As there is a demand for multi-mode flexible radio devices, traditional dedicated narrowband filtering no longer satisfies. This lecture reviews several proposed concepts, e.g. linearization techniques, noise and distortion cancelling, frequency-translated N-path filtering, harmonic rejection and spatial interference rejection.

Seminar Time: 3:30PM-5:00PM on Oct. 14 (Wednesday), 2015
Seminar Location: Broun Hall 235, Dept. of Electrical and Computer Eng., Auburn University


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