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Data predistortion for multicarrier satellite channels using orthogonal memory polynomials

Roberto Piazza, Bhavani Shankar Mysore Rama Rao, Bjorn Ottersten
2013 2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications (SPAWC)  
Sharing the on-board high power amplifier among different uplinked carriers (links) is attractive since it provides for economical and sustainable satellite missions.  ...  Towards supporting higher order modulations, this work proposes a novel distortion mitigation technique at the transmitter (predistortion) based on orthogonal memory polynomials and highlights its salient  ...  Multicarrier Satellite System 1) Scenario: The considered multicarrier satellite system involves broadcasting in Ku-band from a geostationary satellite to fixed terminals.  ... 
doi:10.1109/spawc.2013.6612138 dblp:conf/spawc/PiazzaRO13 fatcat:4wh7x7425vf7nha7rad5glmz7y

Multicarrier Access and Routing for Wireless Networking

Diakoumis Gerakoulis
2005 EURASIP Journal on Wireless Communications and Networking  
The uplink access is orthogonal multicarrier code-division multiple access (MC-CDMA) and the downlink transmission is multicarrier orthogonal code-division multiplexing (MC-OCDM).  ...  A multicarrier access and routing system has been proposed for use in wireless networks. Users within each cell access a radio port (RP).  ...  Users within each cell access the corresponding radio port (RP) by an orthogonal multicarrier CDMA described in [5] . All uplink transmissions require synchronization.  ... 
doi:10.1155/wcn.2005.599 fatcat:h2tjb5r6bfdlrn2ybtsuify7ja

The effect of carrier frequency offsets on downlink and uplink MC-DS-CDMA

H. Steendam, M. Moeneclaey
2001 IEEE Journal on Selected Areas in Communications  
In this paper, we study the sensitivity of uplink and downlink MC-DS-CDMA to carrier frequency offsets, assuming orthogonal spreading sequences.  ...  We point out that the degradation in the uplink is larger than in the downlink because only the former is affected by multiuser interference.  ...  The effect of carrier frequency offsets on multicarrier systems has been reported in [9] for orthogonal frequency-division multiplexing (OFDM) and in [10] , [11] for MC-CDMA (which combines multicarrier  ... 
doi:10.1109/49.974617 fatcat:xamjr6u7bjarpprfstwl5wj4ba

2005 Index

2005 IEEE Transactions on Vehicular Technology  
Larsson, E.G., + , T-VT Mar 05 568-579 Adaptive modulation statistical decision making in adaptive modulation and coding for 3G wireless systems.  ...  Koot, M., + , T-VT May 05 771-782 modulation Amplitude shift keying predistorted APK Modulation for 1-and 2-link nonlin. power amp. Satellite commun. channels, perform.  ...  Dapeng Wu, + , T-VT May 05 1198-1206 elec. field averaging for in situ radiofrequency exposure assess. Larcheveque  ... 
doi:10.1109/tvt.2005.863647 fatcat:7ftwl4fyt5adfatoufxaoldhai


2017 Journal of optical communications  
The citation of registered names, trade names, trademarks, etc. in this work does not imply, even in the absence of a specifi c statement, that such names are exempt from laws and regulations protecting  ...  Periodicals Directory/ulrichsweb · WanFang Data · WorldCat (OCLC) The publisher, together with the authors and editors, has taken great pains to ensure that all information presented in this work (programs  ...  Spatial Diversity for FSO Uplink in Presence of Atmospheric Turbulence and Weather Conditions for Different IM Schemes 61 Yong Chen, Tengfei Li, Huanlin Liu and Yichao Li Channel Model Optimization  ... 
doi:10.1515/joc-2018-frontmatter1 fatcat:62bxujl3zbb2nojqwmhylvlhdy

Nonorthogonal Multiple Access for Next-Generation Mobile Networks: A Technical Aspect for Research Direction

Muhammad Hussain, Haroon Rasheed, Farman Ullah
2020 Wireless Communications and Mobile Computing  
In this article, the basic principle of NOMA has been reviewed and compared with other orthogonal multiple access (OMA). A comprehensive survey is presented in the latest NOMA scheme.  ...  Supporting a higher number of users than available orthogonal resources is the key feather of NOMA.  ...  In 6G technology, devices connected to the Internet by using wireless broadband receive 10 GB or even more data speed. 6G is a satellite-based network; roaming and handover from one satellite to another  ... 
doi:10.1155/2020/8845371 fatcat:psel5uq32zayjizarbn432g5ci

SAT-COMM – Fade Inteferance and Band Mitigation Analysis

Ravi Kumar, Ritika Ghai
2014 Journal of advance research in Electrical & Electronics Engineering  
The aim of this paper is to present the main issues in designing FMTs for Ka-Q/V band satellite communica tion systems.  ...  The first c ommercial satellites with Ka-band transponders are today in operation, and it is expected that the congestion in lower fre quency bands like Ku-band will push new systems into moving progressively  ...  Careful analysis and simulation have to be carried out in order to optimise a FMT control loop and to assess physical layer performances [14] .  ... 
doi:10.53555/nneee.v1i3.253 fatcat:toxgnqgnfffzxcsld3jwnzls54


Andrii Grekhov, Vasil Kondratiuk
2017 Vìsnik Nacìonalʹnogo Avìacìjnogo Unìversitetu  
Purpose: to develop a model of the satellite communication channel for an remotely piloted air system with adaptive modulation and orthogonal frequency division of channels; 2) to calculate the channel  ...  Dependences of the signal-to-noise ratio in the terrestrial receiver on the signal-to-noise ratio in the downlink for various types of modulation (BPSK, QPSK, 16QAM, 64QAM) and data transmission rates  ...  Dependences of the SNR in a ground receiver on the SNR in downlink for the SNR in uplink 40 dB for different types of satellite amplifier nonlinearity and modulation modes are given in Fig. 5-9 .  ... 
doi:10.18372/2306-1472.72.11978 fatcat:oppcdurx4jdjhfryg4k4qclufu

Distributed SC-FDMA sub-carrier assignment for digital mobile satellite

Amr M. Musa, Rania A. Mokhtar, Rashid A. Saeed, Hesham Alhumyani, S. Abdel-Khalek, Adil Omer Yousif Mohamed
2021 Alexandria Engineering Journal  
Single carrier multiple access division (SC-FDMA) technology is one of the good uplink modulation techniques in a wireless communication system.  ...  The methodology using the first full-featured digital MIMO software allows for in-depth verification and improvement of MIMO technologies applied to satellite broadcasting networks.  ...  Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper  ... 
doi:10.1016/j.aej.2021.04.064 fatcat:piwr6bjeyjdhbczq6u2i2guqbq

Waveform design solutions for EHF broadband satellite communications

Mauro De Sanctis, Ernestina Cianca, Tommaso Rossi, Claudio Sacchi, Lorenzo Mucchi, Ramjee Prasad
2015 IEEE Communications Magazine  
The problematic RF environment experienced by broadband satellite communications at EHF frequency bands, in particular Q/W bands, call for the use of novel waveforms.  ...  Two main types of waveforms have been compared: Constant Envelope multicarrier waveforms (CE-OFDM and CE-SCFDMA) and single carrier impulse-based waveforms (TH-UWB, DS-UWB and PSWF-based PSM).  ...  The main idea of CE multicarrier systems is to add a nonlinear phase modulation to a real-valued multicarrier signal. The block diagram of the CE-SC-FDMA modulator/demodulator is shown in Fig. 1 .  ... 
doi:10.1109/mcom.2015.7060477 fatcat:hq6qpilkvzhxnamsnodiyfqu6m

Synchronization in Wireless Communications

Heidi Steendam, Mounir Ghogho, Marco Luise, Erdal Panayirci, Erchin Serpedin
2009 EURASIP Journal on Wireless Communications and Networking  
This is, for example, typical for a satellite link. In the paper by Lee et al. the frame synchronization problem in a DVB-S2 link was investigated.  ...  Several techniques were proposed to boost up the data rate: multicarrier systems to combat selective fading, ultra-wideband (UWB) communications systems to share the spectrum with other users, MIMO transmissions  ...  Another variant on the multicarrier technique is hexagonal multicarrier modulation.  ... 
doi:10.1155/2009/568369 fatcat:52klthg37vgjxapa5iv45j366u


Prittu Ann Thomas .
2014 International Journal of Research in Engineering and Technology  
In this paper, a survey on different modulation schemes having lowest peak to average power ratio (PAPR) value for use in uplink communication has been studied.  ...  Besides uplink communication SC-FDMA is used in various applications like return-link of interactive broadband systems, aeronautical telemetry, land mobile satellite communication systems etc.SC-FDMA can  ...  But a major limitation [6] of this technique was orthogonality of subcarriers was not being maintained. The major reason for PAPR in OFDM is due to its multicarrier structure.  ... 
doi:10.15623/ijret.2014.0313011 fatcat:6vegvhujlnfwtdokeyipxb4ggu

Table of contents

2020 IEEE Transactions on Communications  
Ristaniemi 959 Multicarrier M-Ary Orthogonal Chaotic Vector Shift Keying With Index Modulation for High Data Rate Transmission ................................................................... X.  ...  Balasingham 841 MIMO Massive-MIMO Iterative Channel Estimation and Decoding (MICED) in the Uplink ...................................... .......................................................  ... 
doi:10.1109/tcomm.2020.2966940 fatcat:32vdtk4cgjg3rkcle5pn7vuuhy

5GWF 2018 Subject Index

2018 2018 IEEE 5G World Forum (5GWF)  
for Broadband 24GHz & 28GHz 5G solutions Performance of Universal Filtered Multicarrier Channel Estimation with Different Pilots arrangements Physical Uplink Control Channel Design for 5G New Radio SDN  ...  Papers By Title 5 A B C D E F H I L M O P Q R S T U W 5 5 A B C D E F H I L M O P Q R S T U W Application of Quasi Orthogonal Short Sequence Families in Pattern Division Multiple Access -a Non-Orthogonal  ... 
doi:10.1109/5gwf.2018.8516982 fatcat:inelckftp5euxcsjrhezfl5u5y

Modulation Formats and Waveforms for 5G Networks: Who Will Be the Heir of OFDM?: An overview of alternative modulation schemes for improved spectral efficiency

Paolo Banelli, Stefano Buzzi, Giulio Colavolpe, Andrea Modenini, Fredrik Rusek, Alessandro Ugolini
2014 IEEE Signal Processing Magazine  
DISCUSSION AND LITERATURE OvERvIEw As already stated, OFDM is a multicarrier modulation format wherein the use of a CP and a proper spacing among subcarriers ensure orthogonality of the waveforms modulated  ...  , this modulation format seems to be a good choice for uplinks of 5G whenever large antenna arrays can be facilitated.  ... 
doi:10.1109/msp.2014.2337391 fatcat:4fcloizkangkhelqvfpkx7hb5i
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