A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2007; you can also visit the original URL.
The file type is application/pdf.
Filters
A DSP-based DS-CDMA multiuser receiver employing partial parallel interference cancellation
1999
IEEE Journal on Selected Areas in Communications
Preserved Fulltext
The implementation of advanced DS-CDMA receivers based on multiuser detection principles is becoming a reality thanks to the combination of an improved understanding of the theoretical basis of multiuser ...
In a parallel interference cancellation receiver, it is practical to use the soft outputs of a matched filter bank for amplitude estimation. ...
Breslin for developing the multisensor testbed, and S. Nicoloso for his priceless contributions to this project. ...
doi:10.1109/49.761040
fatcat:hgvvtrbowvgwzkwkos3qlle3by
Reduced and differential parallel interference cancellation for CDMA systems
2002
IEEE Journal on Selected Areas in Communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2004; you can also visit the original URL.
The file type is application/pdf.
It is shown that a combination of both approaches leads to a performance very close to the single-user bound whereas the complexity can be kept on the order of the conventional RAKE receiver. ...
Index Terms-Code division multiple access, multicarrier spread spectrum, multiuser detection, parallel interference cancellation. Manuscript ...
ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers for their helpful comments to improve the quality of the paper. ...
doi:10.1109/49.983335
fatcat:vmbwbdxer5devd6wl2bgaidiam
Spectrally Shaped Generalized Multitone Direct Sequence Spread Spectrum
2006
IEEE Transactions on Vehicular Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
These channel models cannot model the real channel between the transmitter and receiver of MC-DS-CDMA systems for all cases. ...
For instance, we can apply interference canceling (IC) schemes (e.g., [28] , [29] ) to cancel the effect of the interference from other subcarriers, and improve the BER performance of SSG-MT-DS-SS, or ...
subcarrier decision metric are ( ) As a special case, the BER performance of "single carrier SW-SSG-MT-DS-CDMA," or DS-SS-CDMA with our sinusoidal chip waveform, for different channel conditions, is now ...
doi:10.1109/tvt.2006.877492
fatcat:3v4iza2nojgzzkvl2iq25vmwi4
Smart antennas: state of the art
2006
IEEE Vehicular Technology Magazine
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Aim of this contribution is to illustrate the state of the art of smart antenna research from several perspectives. ...
The bow is drawn from transmitter issues via channel measurements and modeling, receiver signal processing, network aspects, technological challenges towards first smart antenna applications and current ...
Ernst Bonek, and the COST 273 subworking group 2.1 for helpful discussions. Part of this work was financially supported by an INGVAR grant from the SSF and a grant from Vetenskapsradet.
Thomas ...
doi:10.1109/mvt.2006.1663946
fatcat:dry3hooucfahbncq5vp3g2hsha
Near-Capacity Wireless Transceivers and Cooperative Communications in the MIMO Era: Evolution of Standards, Waveform Design, and Future Perspectives
2011
Proceedings of the IEEE
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
By contrast, the MIMO capacity increases linearly 14 with the number of transmit antennas, provided that the num-15 ber of receive antennas is equal to the number of transmit 16 antennas. ...
With the further proviso that the total transmit 17 power is increased proportionately to the number of trans-18 ...
A two-antenna-aided receiver 1491 was implemented for the sake of decoding the two users' 1492 data, while eliminating the interference imposed by the 1493 users on each others' data. ...
doi:10.1109/jproc.2011.2148150
fatcat:h5figg46rfdfngebjrbmyyekle
Packet Scheduling in Wireless Systems using MIMO Arrays and VBLAST Architecture
2007
2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
This thesis aims to examine ways of increasing the spectral efficiency of a communication system while meeting the Q0S needs of the users. ...
Two of the key requirements in these systems are higher spectral efficiency and QoS (Quality of Service). ...
Using symbol cancellation, interference from already-detected components of the transmitted signal are subtracted out from the received signal vector, resulting in a modifiedExploiting Multiuser Diversity ...
doi:10.1109/vetecs.2007.571
dblp:conf/vtc/FlorosTM07
fatcat:wnps3532nvfpzepvg4dd5ghsne
Rapid digital architecture design of orthogonal matching pursuit
2016
2016 24th European Signal Processing Conference (EUSIPCO)
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
The growing availability of computing power allows for the implementation of algorithms of increasing computational complexity. ...
For instance, a complex-valued digital architecture for the Orthogonal Matching Pursuit (OMP) algorithm with rank-1 updating has successfully been implemented and tested, which can be utilised for the ...
DoA Direction of Arrival DS-CDMA Direct Sequence CDMA DSP Digital Signal Processor or Digital Signal Processing DSSS Direct Sequence Spread Spectrum DTA Data Type Agnosticism ERVD Element-Wise Real-Value ...
doi:10.1109/eusipco.2016.7760570
dblp:conf/eusipco/KnoopRSPP16
fatcat:bo3c4fo6njeo3hjjsnwo72jbwe
Ultra-wideband communications - An idea whose time has come
2004
IEEE Signal Processing Magazine
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2012; you can also visit the original URL.
The file type is application/pdf.
It overviews the state-of-the-art in channel modeling, transmitters, and receivers of UWB radios, and outlines research directions and challenges to be overcome. ...
As signal processing expertise is expected to have major impact in research and development of UWB systems, emphasis is placed on DSP aspects. ...
His general interests span the areas of communications and signal processing, estimation and detection theory, time-series analysis, and system identification, on which he has published more than 200 journal ...
doi:10.1109/msp.2004.1359140
fatcat:wpf7n3shlbb27kyld2xxtkvzuu
Signal processing for optical fiber based wireless access
2017
Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
However, a directly
Recently, some two-stage cancellation techniques for the multiuser interference in a wireless DS/CDMA environment have been investigated. This work was extended by W. ...
We use a discrete time domain to ease DSP implementations. ...
This issue is discussed in this appendix where it shown that a bandpass nonlinear system can be either represented by two real orthogonal baseband nonlinear models or by an amplitude and phase baseband ...
doi:10.1117/12.2283858
fatcat:yydww3ni2jchtjnxruaznhtr5m
Wireless Myths, Realities, and Futures: From 3G/4G to Optical and Quantum Wireless
2012
Proceedings of the IEEE
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Other Versions
In wireless systems there is always a trade-off between reducing the transmit power and mitigating the resultant signal-degradation imposed by the transmit-power reduction with the aid of sophisticated ...
receiver algorithms, when considering the total energy consumption. ...
Mehlführer for their expert support of the measure-ments as well as S. Schwarz for providing LTE simulations and preparing Figs. 9-11 at the University of Technology, Vienna, Austria. ...
doi:10.1109/jproc.2012.2189788
fatcat:ieo4t2fwarcrjbxzfj3u7ejty4
Reconfigurable Structures for Direct Equalisation in Mobile Receivers
[article]
2014
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
This is especially true in the case of mobile systems, where multipath propagation causes the received signal to be seriously degraded. ...
LE and DFE are implemented using finite impulse response (FIR) filters whose frequency spectrum approximates the inverse of the channel spectrum plus noise. ...
Of the different types of CDMA, the one covered here is the direct sequence CDMA (DS-CDMA) which is the one selected by all forthcoming 3G systems. In DS-CDMA, each user is assigned a code. ...
arXiv:1401.7216v1
fatcat:z653f7gqavgltehsby4bhtb5cu
Design of large polyphase filters in the Quadratic Residue Number System
2010
2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
Perfect self interference cancellation is not possible in real systems due to noise in the estimates of the signals required for cancellation. ...
its power to partially cancel the effect of the interference so that the uninformed relay benefits from this cancellation and so the source benefits in turn. ...
doi:10.1109/acssc.2010.5757589
fatcat:ccxnu5owr5fyrcjcqukumerueq
Group-blind multiuser detection for CDMA systems
[article]
2005
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
BiblioWque nationale du Canada uisitions and 9-Acquisitions el Bib lographic Services services bibliographiques The author has granted a nonexclusive licence allowing the National Library of Canada to ...
L'auteur a accord6 me licence non exclusive pennettant A la Bibliothwe nationale du Canada de reproduke, pr&ery distxibuer ou vendre &s copies de cette these sous la forme de microfiche/film, de reproduction ...
Therefore, in a real-time implementation of the group bIind multiuser detector, a reduced complexity updating algorithm for finding the eigenvalues and eigenvectors is needed. ...
doi:10.11575/prism/14237
fatcat:2txz7msyzvafhp52q2ripqbvrm
CODE ACQUISITION IN DS-CDMA SYSTEMS OPTIMIZATION AND DSP IMPLEMENTATION
unpublished
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
CCStudio delivers all of the host tools and runtime software support for your TMS320 DSP based real-time embedded application to market faster. ...
A goal for future work should be to implement the whole system on a DSP and hardware implementation on FPGA & ASIC. ...
The Probability of detection is only meaningful when the Mean acquisition time is considered. For the same scenario, the time to acquire the correct phase for the modified scheme is lower. ...
fatcat:ea2sewduozdsfogobtxg3dfbbu
Implementation Issues
[chapter]
Multi-Carrier and Spread Spectrum Systems
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Today, the use of fast programmable DSP or FPGA components allows the implementation of efficient real-time multi-standard receivers. ...
DSP or FPGA) is usually needed parallel to simulations to test in real time the performance of a given code. ...
Interference cancellation (IC): operation of estimating and subtracting the interference in the case of multi-user signal detection. ...
doi:10.1002/9780470714249.ch4
fatcat:vp55g2zd2rgl5grhbyprze6cu4
« Previous
Showing results 1 — 15 out of 24 results