Envelope modulator for multimode transmitters with AC-coupled multilevel regulators
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F14%3A00222524" target="_blank" >RIV/68407700:21230/14:00222524 - isvavai.cz</a>
Result on the web
<a href="http://80.ieeexplore.ieee.org.dialog.cvut.cz/xpls/icp.jsp?arnumber=6757441" target="_blank" >http://80.ieeexplore.ieee.org.dialog.cvut.cz/xpls/icp.jsp?arnumber=6757441</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/ISSCC.2014.6757441" target="_blank" >10.1109/ISSCC.2014.6757441</a>
Alternative languages
Result language
angličtina
Original language name
Envelope modulator for multimode transmitters with AC-coupled multilevel regulators
Original language description
Modern wireless communication systems, such as high-speed uplink packet access (HSUPA) or long term evolution (LTE), employ highly spectral-efficient modulations with inherent non-constant envelope signals having high peak-to-average power ratio (PAPR). These signals require the RF Power Amplifiers (PAs) to be backed off from saturation to satisfy the stringent linearity requirements. Unfortunately, linear operation leads to very low overall system efficiency. The envelope tracking (ET) technique has been identified as one possible solution to improve the global efficiency of the RF transmission chain. This technique has raised interest in the optimization of the fast supply envelope modulator (EM), the most critical component in the system. Several topologies for the EM exist such as fast buck converters, multilevel buck converters and parallel hybrid structures with a class-AB amplifier AC-coupled to a buck converter.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
—
OECD FORD branch
20201 - Electrical and electronic engineering
Result continuities
Project
—
Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Solid-State Circuits Conference Digest of Technical Papers (ISSCC), 2014 IEEE International
ISBN
978-1-4799-0918-6
ISSN
0193-6530
e-ISSN
—
Number of pages
2
Pages from-to
296-297
Publisher name
IEEE Solid-State Circuits Society
Place of publication
San Francisco, CA
Event location
San Francisco, CA
Event date
Feb 9, 2014
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000353615000119