NDLI: 64-Channel UWB Wireless Neural Vector Analyzer SOC With a Closed-Loop Phase Synchrony-Triggered Neurostimulator

Content Provider	IEEE Xplore Digital Library
Author	Abdelhalim, K. Jafari, H.M. Kokarovtseva, L. Perez Velazquez, J.L. Genov, R.
Copyright Year	1966
Abstract	An ultra wideband (UWB) 64-channel responsive neural stimulator system-on-chip (SoC) is presented. It demonstrates the first on-chip neural vector analyzer capable of wirelessly monitoring magnitude, phase and phase synchronization of neural signals. In a closed-loop, abnormal phase synchrony triggers the programmable-waveform biphasic current-mode neural stimulator. To implement these functionalities, the SoC integrates 64 neural recording amplifiers with tunable switched-capacitor (SC) bandpass filters, 64 multiplying 8-bit SAR ADCs, 64 programmable 16-tap FIR filters, a tri-core CORDIC processor, 64 biphasic current stimulation channels, and a 3.1-10.6 GHz UWB wireless transmitter onto a 4 mm × 3 mm 0.13 μm CMOS die. To minimize both the area and power dissipation of the SoC, the SAR ADC is re-used as a multiplier for FIR filtering and as a DAC and duty cycle controller for the biphasic neural stimulator. The SoC has been validated in the early detection and abortion of seizures in freely moving rodents on-line and in early seizure detection in humans off-line.
Sponsorship	IEEE Solid-State Circuits Society IEEE Electron Devices Society IEEE Circuits and Systems Society Japan Society of Applied Physics (JSAP) IEEE Microwave Theory and Techniques Society IEEE San Francisco Section Bay Area Council Univ. PA IEEE
Starting Page	2494
Ending Page	2510
Page Count	17
File Size	4574950
File Format	PDF
ISSN	00189200
Volume Number	48
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	System-on-chip Finite impulse response filters Vectors Monitoring Noise Detectors phase synchronization Closed-loop closed-loop SoC early seizure detection implantable wireless SoC mixed-signal FIR filters neural recording neural stimulation neural vector analyzer
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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