NDLI: A dual-channel GPS/Compass/Galileo/GLONASS reconfigurable GNSS receiver in 65nm CMOS

Content Provider	IEEE Xplore Digital Library
Author	Nan Qi Yang Xu Baoyong Chi Yang Xu Xiaobao Yu Xing Zhang Zhihua Wang
Copyright Year	2011
Description	Author affiliation: Institute of Microelectronics, Tsinghua University, Beijing, 100084, China (Nan Qi; Yang Xu; Baoyong Chi; Yang Xu; Xiaobao Yu; Xing Zhang; Zhihua Wang)
Abstract	A fully-integrated dual-channel reconfigurable GNSS receiver supporting GPS/Compass/Galileo/GLONASS in 65nm CMOS is presented. The receiver has two independent channels to support simultaneous dual-frequency reception, and can be reconfigured to receive various GNSS signals located in 1.2GHz or 1.57GHz band, which have different signal bandwidth including 2.2MHz, 4.2MHz, 8MHz, 10MHz and 18MHz. By flexible frequency plan, low-IF/zero-IF architecture switching and flexible analog baseband circuits, only one frequency synthesizer is adopted to provide local oscillation (LO) for two channels simultaneously, which could avoid the LO crosstalk issue. Analog baseband circuits employ operational amplifiers capable of power scaling to optimize power consumption among various mode operations. Besides, an I/Q mismatch calibration module placed ahead of the IF complex bandpass filter is implemented to improve image rejection ratio. The receiver finally achieves 2.2dB noise figure, an average of 50dB image rejection ratio, and 64dB dynamic range with 1dB gain-adjusting steps, while consuming a minimum of 31mW power.
Starting Page	1
Ending Page	4
File Size	833652
Page Count	4
File Format	PDF
ISBN	9781457702228
ISSN	08865930
e-ISBN	9781457702235
DOI	10.1109/CICC.2011.6055350
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Receivers Global Positioning System Global Navigation Satellite Systems Band pass filters Baseband Calibration Frequency synthesizers
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
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
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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