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Synchronization of ...
Synchronization of a TDMA-OFDM frequency hopping system
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- van de Beek, Jaap (author)
- Luleå tekniska universitet,Signaler och system
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- Börjesson, Per Ola (author)
- Lund University,Lunds universitet,Luleå tekniska 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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- Boucheret, Marie-Laure (author)
- Ecole National Superieure de Telecommunications, Site de Toulouse, Toulouse, France
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- Landström, Daniel (author)
- Lund University,Lunds universitet,Luleå tekniska 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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- Arenas, Julia Martinez (author)
- Ecole National Superieure de Telecommunications, Site de Toulouse
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- Ödling, Per (author)
- Lund University,Lunds universitet,Luleå tekniska 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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- Wilson, Sarah Kate (author)
- Luleå tekniska universitet
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- Östberg, Christer (author)
- Ericsson Mobile Communication AB, Lund, Sweden
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- Wahlqvist, Mattias (author)
- Telia Research AB, Luleå, Sweden
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(creator_code:org_t)
- Piscataway, NJ : IEEE Communications Society, 1998
- 1998
- English.
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In: Pathway to a global wireless revolution. - Piscataway, NJ : IEEE Communications Society. - 0780343204 ; , s. 1290-1294
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Abstract
Subject headings
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- In this paper we present a Time Division Multiple Access-Orthogonal Frequency Division Multiplexing (TDMA-OFDM)-based radio interface proposal for the Universal Mobile Telecommunication System (UMTS). We focus on synchronization and present an implementable algorithm for the tracking of the mobiles' time and frequency offsets at the base station in the uplink. This algorithm is based on recently developed estimation methods that use redundancy introduced by the cyclic prefix. A modified Maximum Likelihood (ML) estimator for the Additive White Gaussian Noise (AWGN) channel is used to meet both implementational requirements and performance requirements for frequency-selective fading multiuser environments. Simulation results for a typical UMTS mobile channel environment show that the uncoded symbol error rate of a coherently modulated system using our synchronization scheme is virtually indistinguishable from that of a system with no time and frequency offset.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- Signalbehandling
- Signal Processing
Publication and Content Type
- ref (subject category)
- kon (subject category)
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