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Sign-Bit based arch...
Sign-Bit based architecture for OFDM acquisition for multiple-standards
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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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Wilhelmsson, Leif (författare)
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- Rodrigues, Joachim (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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Olsson, Thomas (författare)
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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)
- 2009
- 2009
- Engelska 4 s.
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Ingår i: [Host publication title missing]. - 9781424443109
- 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
- This paper presents a hardware mapping of an auto-correlator for Orthogonal Frequency Division Multiplexing stage for three radio standards: LTE, DVB-H, and IEEE 802.11n. Hardware cost is minimized by using only the sign bit in the autocorrelation function. The frequency offset estimation procedure is dramatically simplified by reducing the phase of the envelope to pi/2 resolution, which in turn reduces the need of specialized components. The architecture is synthesized towards a 65 nm low-leakage high threshold standard cell CMOS library. The 1-bit architecture reports an area reduction of 90% for memories, 56% for the logic and a power dissipation reduction of 35%, when compared to an identical 8-bit implementation. The approximate area occupied by the architecture is 0.03mm^2. Power simulations for IEEE 802.11n packet reports a power dissipation of 42uW.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- WLAN
- DVB-H
- LTE
- multi-standard
- Acquisition
- Synchronization
- VLSI
- OFDM
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)
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