NDLI: Complex filter based spectrum sensor for narrowband detection over a wide sensing bandwidth

Content Provider	IEEE Xplore Digital Library
Author	Khatri, V. Banerjee, G.
Copyright Year	2015
Description	Author affiliation: Electr. Commun. Eng., Indian Inst. of Sci., Bangalore, India (Khatri, V.; Banerjee, G.)
Abstract	This work introduces a complex filter based wideband spectrum sensor capable of narrowband detection. This work makes use of the band pass nature of the complex filter to achieve two objectives : i) Separation of upper sideband (USB) and lower sideband (LSB) around the local oscillator (LO) signal and ii) Resolution of smaller bands within a large detection bandwidth. The design is implemented in 130 nm mixed-mode CMOS RF process. The simulation results show a sensitivity of close to -50 dBm with image rejection ratio (IRR) close to 30 dB. The overall wideband detection bandwidth is 250 MHz which is partitioned into 40 MHz narrowband chunks with 6 such overlapping chunks.
Starting Page	1
Ending Page	4
File Size	310569
Page Count	4
File Format	PDF
e-ISBN	9781479999859
DOI	10.1109/CONECCT.2015.7383889
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-10
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Band-pass filters Spectrum sensing receivers Complex filters Energy detection Universal Serial Bus Wideband Spectrum sensing Envelope detectors Cognitive Radios Wideband Narrowband
Content Type	Text
Resource Type	Article

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Complex filter based spectrum sensor for narrowband detection over a wide sensing bandwidth