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A 350μW Sign-Bit ar...
A 350μW Sign-Bit architecture for multi-parameter estimation during OFDM acquisition in 65nm CMOS
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- Diaz, Isael (författare)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Tan, Siyu (författare)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Miao, Yun (författare)
- Lund University
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- Wilhelmsson, Leif (författare)
- Ericsson Research
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- Edfors, Ove (författare)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Öwall, Viktor (författare)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2015
- 2015
- Engelska.
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Ingår i: 2015 IEEE International Symposium on Circuits and Systems (ISCAS). - 9781479983919
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Correct estimation of symbol timing, Carrier Frequency Offset (CFO), and Signal-to-Noise Ratio (SNR) is crucial in Orthogonal Frequency Division Multiplexing (OFDM) communication. Typically, high estimation accuracy is desired, but often comes with increased complexity. Which has a direct repercussion in energy consumption. In this article, an architecture based on Sign-Bit estimation with low complexity, and hence low power dissipation, is presented. The architecture, is capable of estimating the afore-mentioned parameters in virtually any OFDM standard. The proof of concept has been fabricated in 65 nm CMOS technology with low-power high-VT cells. Measurements performed with supply voltage of 1.2V. resulted in a power dissipation of 350 μW, 6 times smaller to that of an equivalent 8-bit architecture, and the lowest power density reported in literature.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
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