Results 51 to 60 of about 211 (167)

Punctured Trellis-Coded Modulation

open access: yesCoRR, 2013
5 pages, 10 figures, submitted to IEEE International Symposium on Information Theory 2013 (ISIT)
Fabian Schuh   +2 more
openaire   +2 more sources

TRELLIS CODED MAPPING FOR PEAK TO AVERAGE POWER REDUCTION IN SFBC MIMO OFDM SYSTEMS

open access: yesICTACT Journal on Communication Technology, 2016
Space frequency block code orthogonal frequency division multiplexing (SFBC-OFDM) systems has inherit drawbacks of high peak-to average power ratio (PAPR) signals, and constellation shaping with trellis is a promising approach for reducing both peak ...
P. N. Kota, A. N. Gaikwad, B. P. Patil
doaj  

A Low-Complexity Approach to Space-Time Coding for Multipath Fading Channels

open access: yesEURASIP Journal on Wireless Communications and Networking, 2005
We consider a single-carrier multiple-input single-output (MISO) wireless system where the transmitter is equipped with multiple antennas and the receiver has a single antenna.
Kobayashi Mari, Caire Giuseppe
doaj   +2 more sources

Silver Space-Time Trellis Coded Modulation

open access: yes, 2008
This work was supported by the STREP project No. IST-026905 (MASCOT) within the FP6th of the European Commission, and, for EB, also by the Spanish Ministery of Education and Science under Project TEC2006-01428/TCM.
Biglieri, Ezio   +2 more
openaire   +4 more sources

Performance of OFDM: FSO Communication System with Hybrid Channel Codes during Weak Turbulence

open access: yesJournal of Computer Networks and Communications, 2019
The performance of orthogonal frequency division multiplexing- (OFDM-) based free-space optics (FSO) depends on various parameters such as number of subcarriers, base band modulation, nature of laser beam, turbulence modelling, and much more.
Ritu Gupta   +2 more
doaj   +1 more source

Helper Data Schemes for Coded Modulation and Shaping in Physical Unclonable Functions

open access: yesIEEE Open Journal of the Communications Society
We consider the generation and utilization of helper data for physical unclonable functions (PUFs) that provide real-valued, Gaussian distributed readout symbols.
Robert F. H. Fischer
doaj   +1 more source

Method of blind reconstruction for trellis‐coded modulation codes

open access: yesIET Communications, 2014
Since trellis‐coded modulation (TCM) was introduced, it was quickly adopted in modem standards. Unlike blind reconstruction for normal channel coding, blind reconstruction for TCM codes not only requires identifying the correct generator matrix, but also the correct type of constellation mapping. So far this has seldom been reported.
Yuxing Bo   +3 more
openaire   +1 more source

Zernike Moment-Based Spatial Image Steganography Resisting Scaling Attack and Statistic Detection

open access: yesIEEE Access, 2019
The mainstream adaptive steganography algorithm is difficult to resist scaling attack, and the anti-detection performance of the algorithm based on quantization index modulation is not high enough.
Yue Zhang   +4 more
doaj   +1 more source

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