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Julia Martinez Arenas

dblp:88/6957 · DBLP profile ↗
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2ranked-venue papers
0as first author
0since 2021 · last 2000
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Computer networks · 1Graphics, computer vision, multimedia, augmented reality and games · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer networks
1 paper
Physical-layer communications · 61% Internet architecture and protocols · 30% Cellular and mobile networks · 9%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Physical-layer communications › modulation › multicarrier modulation
OFDM		 0.011999
A time and frequency synchronization scheme for multiuser OFDM · IEEE J. Sel. Areas Commun. 1999
Physical-layer communications › synchronization
time and frequency synchronization		 0.011999
A time and frequency synchronization scheme for multiuser OFDM · IEEE J. Sel. Areas Commun. 1999
Internet architecture and protocols › network synchronization
uplink synchronization		 0.011999
A time and frequency synchronization scheme for multiuser OFDM · IEEE J. Sel. Areas Commun. 1999
Cellular and mobile networks › 3g network
UMTS		 0.011999
A time and frequency synchronization scheme for multiuser OFDM · IEEE J. Sel. Areas Commun. 1999

Methods — techniques the papers use, named apart from their topics

cyclic prefix redundancy · 0.0
YearPublicationVenuePosition
2000 Three non-pilot based time- and frequency estimators for OFDM
Jaap van de Beek, Per Ola Börjesson, Marie-Laure Boucheret, Daniel Landström, Julia Martinez Arenas, Per Ödling, Sarah Kate Wilson
 Signal Process.5
1999 A time and frequency synchronization scheme for multiuser OFDM
abstract
We present a multiuser synchronization scheme for tracking the mobile's uplink time and frequency offsets. It uses the redundancy introduced by the cyclic prefix and does not need additional pilots. We show performance results of an orthogonal frequency division multiplexing (OFDM)-based radio interface based on the universal mobile telecommunication system (UMTS) parameters. For a UMTS-typical mobile channel environment, the performance of a coherent system employing the scheme is virtually indistinguishable from the performance of a perfectly synchronized system. In a differentially modulated system, synchronization errors decrease the system performance by about 0.7 dB compared to a perfectly synchronized system.
Jaap van de Beek, Per Ola Börjesson, Marie-Laure Boucheret, Daniel Landström, Julia Martinez Arenas, Per Ödling, Christer Östberg, Mattias Wahlqvist, Sarah Kate Wilson
 IEEE J. Sel. Areas Commun.5