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(278 results)White Papers, Webcasts, and Resources
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Read this white paper to discover the secrets to maintaining security at your organization. The more you know the safer you'll be.
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White Papers
Semi-Blind Channel Estimation Based on Superimposed Pilots for Single-Carrier MIMO Systems
March 26, 2007 12:00am PDT
The authors propose a semi-blind channel estimator based on superimposed pilots for the case of single-carrier single-user MIMO systems. The proposed estimator is based on the Expectation...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Effects of Channel Estimation Errors on BPSK Systems Using Superimposed Pilots
March 1, 2010 12:00am PST
Super-imposed training can be used as an alternative solution to estimating the Channel State Information (CSI). Since pilots are sent together with the data symbols, superimposed training...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Linearly Time-Varying Channel Estimation and Symbol Detection for OFDMA Uplink Using Superimposed Training
January 27, 2009 12:00am PST
The authors address the problem of Superimposed Trainings- (STs-) based Linearly Time-Varying (LTV) channel estimation and symbol detection for Orthogonal Frequency-Division Multiplexing Access...
Provided by: Hindawi Publishing
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White Papers
Optimal Superimposed Training Design for Spatially Correlated Fading MIMO Channels
August 1, 2008 12:00am PDT
The problem of channel estimation for spatially correlated fading Multiple-Input Multiple-Output (MIMO) systems is considered. Based on the channel's second order statistic, the Minimum...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Self-Interference Suppression in Doubly-Selective Channel Estimation Using Superimposed Training
June 1, 2007 12:00am PDT
Channel estimation for frequency-selective time-varying channels is considered using superimposed training. The authors employ a Discrete Prolate Spheroidal Basis Expansion Model (DPS-BEM) to...
Provided by: Institute of Electrical and Electronics Engineers
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Software
Superimpose Lite 1.0 (Mobile)
September 9, 2011 12:00am PDT
Although this is the light version, you will get full access to all the features except for save.Just with a few taps, create professorial grade superimposed or juxtaposed photos on your iPhone!...
Provided by: Pankaj Goswami
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Software
Superimpose 1.3 (Mobile)
June 16, 2011 12:00am PDT
Just with a few taps, create professorial grade superimposed or juxtaposed photos on your iPhone! You don't need a computers and expensive software to superimpose one photo on top of another any...
Provided by: Pankaj Goswami
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White Papers
Super-Imposed Pilot-Aided Channel Estimation and Power Allocation for Relay Systems
December 17, 2009 12:00am PST
Super-imposed pilots can be used as an alternative to traditional pilots that are used for channel estimation. Superimposed pilots improve bandwidth efficiency. The authors apply it to the Amplify...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Superimposed Radio Signals for Wireless Sensor Networks
March 29, 2006 12:00am PST
Traditional approaches using superimposed signals in wireless sensor networks have high demands on the hardware capabilities of a single network node. This work loosens these constraints and...
Provided by: Universitat Karlsruhe
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Software
BlendCam 1.4 (Mobile)
April 16, 2010 12:00am PDT
We have started to develop camera applications with the concept "Enjoy taking pictures". This application, "BlendCam" is the first in the TORI-CAMERA series."BlendCam" allows you to superimpose a...
Provided by: TORI CAMERA
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White Papers
Partial Data-Dependent Superimposed Training Based Iterative Channel Estimation for OFDM Systems Over Doubly Selective Channels
October 18, 2010 12:00am PDT
In this paper, partial data-dependent superimposed training based channel estimation for OFDM systems over Doubly Selective Channels (DSCs) is addressed. Due to the presence of unknown data as...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Superimposed Pilot Based Joint CFO and Channel Estimation for CP-OFDM Modulated Two-Way Relay Networks
July 22, 2010 12:00am PDT
This paper proposes a superimposed training strategy to estimate the individual frequency and channel parameters in an Amplify-and-Forward (AF) Two-Way Relay Network (TWRN). Two efficient...
Provided by: University of Alberta
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White Papers
Superimposed Training-Based Joint CFO and Channel Estimation for CP-OFDM Modulated Two-Way Relay Networks
June 16, 2010 12:00am PDT
Joint Carrier Frequency Offset (CFO) and channel estimation is considered for Two-Way Relay Networks (TWRNs). Existing estimators provide only the convolved channel parameters and the mixed CFO...
Provided by: Hindawi Publishing
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White Papers
Superimposed Pilots Aided Joint CFO and Channel Estimation for ZP-OFDM Modulated Two-Way Relay Networks
May 28, 2010 12:00am PDT
Existing works on joint Carrier Frequency Offset (CFO) and channel estimation in Two-Way Relay Networks (TWRN) only deal with the convoluted channel parameters and the mixed CFO values. In this...
Provided by: University of Alberta
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White Papers
Superimposed Training Designs for Spatially Correlated MIMO-OFDM Systems
April 21, 2010 12:00am PDT
Only one asymptotic training design for a special case of channel correlation was proposed in the literature for spatially correlated Multiple-Input Multiple-Output with Orthogonal...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Extending the 5S Framework of Digital Libraries to Support Complex Objects, Superimposed Information, and Content-Based Image Retrieval Services
March 1, 2010 12:00am PST
Advanced services in Digital Libraries (DLs) have been developed and widely used to address the required capabilities of an assortment of systems as DLs expand into diverse application domains....
Provided by: University of Campinas
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White Papers
Superimposed XOR: A New Physical Layer Network Coding Scheme for Two-Way Relay Channels
August 15, 2009 12:00am PDT
The authors present a new Physical Layer Network Coding (PLNC) scheme, called superimposed XOR, for two-way relay channels. The new scheme specifically takes into account the channel as well as...
Provided by: Shanghai Jiao Tong University
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White Papers
A System on a Programmable Chip Architecture for Data-Dependent Superimposed Training Channel Estimation
May 25, 2009 12:00am PDT
Channel estimation in wireless communication systems is usually accomplished by inserting, along with the information, a series of known symbols, whose analysis is used to define the parameters of...
Provided by: Hindawi Publishing
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White Papers
IterativeMean Removal Superimposed Training for SISO and MIMO Channel Estimation
September 22, 2008 12:00am PDT
This contribution describes a novel iterative radio channel estimation algorithm based on Superimposed Training (ST) estimation technique. The proposed algorithm draws an analogy with the Data...
Provided by: ITESO - Universidad Jesuita de Guadalajara
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White Papers
Iterative Mean Removal Superimposed Training for SISO and MIMO Channel Estimation
September 22, 2008 12:00am PDT
This contribution describes a novel iterative radio channel estimation algorithm based on Superimposed Training (ST) estimation technique. The proposed algorithm draws an analogy with the Data...
Provided by: Hindawi Publishing




































