education & training

Blog Post

Choosing a Big Data vendor

November 29, 2012 7:51am PST

After establishing your core Big Data team in-house, it might be time to bring in an outside vendor for assistance. Will Kelly offers tips on choosing a Big Data vendor.

Whitepapers

Energy Efficient Estimation of a MIMO Channel

November 26, 2012 12:00am PST

Exploiting the benefits of multiple antenna technologies is strongly conditioned based on the knowledge of the wireless channel that affects the transmissions. To this end, various channel...

Provided by: EURASIP

Whitepapers

Design and Realization of FPGA Based Off-Chip Trained MLP for Classical XOR Problem and Need of On-Chip Training

November 22, 2012 12:00am PST

Artificial Neural Network (ANN) is an important soft computing tool. ANN is an adaptive statistical model which resembles the human brain activities. Artificial neuron is the main information...

Provided by: International Journal of Computer Applications

Whitepapers

Indoor Positioning and Distance-aware Graph-based Semi-supervised Learning Method

November 21, 2012 12:00am PST

The growing interest for location-based services motivates many researchers to study different localization techniques for indoor environments. The main objective of these studies is to find a...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Multidimensional Resource Allocation Strategy for High-Speed Railway MIMO-OFDM System

November 21, 2012 12:00am PST

With the wide deployment of high-speed railway at more than 300 kilometers per hour, providing various services effectively for users in the train becomes both practical demand and interesting...

Provided by: Institute of Electrical and Electronics Engineers

Whitepapers

ANFIS-based Quality Prediction Models for AMR Telephony in Public 2G/3G Mobile Networks

November 21, 2012 12:00am PST

The scope of this research paper is the proposal of voice quality prediction models, based on Adaptive Neuro-Fuzzy Inference Systems (ANFIS), for Adaptive Multi Rate (AMR) telephony service...

Provided by: Institute of Electrical and Electronics Engineers

Whitepapers

Training Sequence Design for Data-Aided Synchronization of Burst-Mode CPM

November 21, 2012 12:00am PST

In this paper, the authors study the Cramer-Rao Bound (CRB) for Continuous Phase Modulation (CPM) signals. Based on the CRB computations, they propose the optimum training sequence for joint...

Provided by: Institute of Electrical and Electronics Engineers

Whitepapers

Orthogonal Training Signal Relaying for Channel Estimation in Dual-Hop AF Relay Networks

November 21, 2012 12:00am PST

In this paper, an orthogonal training signal relaying technique for channel estimation in a dual-hop Amplify and Forward (AF) relay network with multiple relays is proposed. In an existing...

Provided by: Institute of Electrical and Electronics Engineers

Whitepapers

Performance Comparison Between Multihomed Network Mobility Protocols

November 21, 2012 12:00am PST

NEtwork MObility (NEMO) protocols are required to maintain connectivity of ongoing sessions for mobile networks that can be formed in bus, train, aircrafts with a wide variety of on-board...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Compressive Sensing Framework for Signal Processing in Heterogeneous Cellular Networks

November 21, 2012 12:00am PST

The authors consider a heterogeneous cellular network where each base station sends a unique training signal based on its physical layer cell identity. The received signal at the Mobile Terminal...

Provided by: Indian Institute of Technology Madras

Whitepapers

Segment Training Based Individual Channel Estimation for One-Way Relay Network

November 21, 2012 12:00am PST

In this paper, the authors design a segment training based individual channel estimation scheme in the classical three-node amplify-and-forward One-Way Relay Network (OWRN). They investigate the...

Provided by: SouthEast SAS Users Group

Whitepapers

Coarse Frame Synchronization for OFDM Systems Using SNR Estimation

November 21, 2012 12:00am PST

In wireless Orthogonal Frequency Division Multiplexing (OFDM) systems, coarse frame synchronization and Signal-to-Noise Ratio (SNR) values are two crucial parameters for OFDM receivers. In this...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Spectrum-Efficient Coherent Optical Zero Padding OFDM for Future High-Speed Transport Networks

November 21, 2012 12:00am PST

By fully exploiting the optical channel properties, the authors propose in this paper the Coherent Optical Zero Padding Orthogonal Frequency Division Multiplexing (CO-ZP-OFDM) for future...

Provided by: Tsihai

Blog Post

Help for Mac help desks

November 20, 2012 9:00am PST

Erik Eckel recommends Apple's own professionally produced documentation to help both administrators and users find the help they need. Here's where to find it.

5 Latest comment by compudizzal@...

Blog Post

A (relatively) brief guide to Cisco IT certifications

November 20, 2012 8:45am PST

Cisco IT certifications are often found sprinkling the lists of the highest paying certifications in the industry. If you're looking at getting certified, take a look at this guide to Cisco IT...

14 Latest comment by KellyMeeker

Whitepapers

Experimental Demonstration of a Cost-Effective Bit Rate Variable IM/DD Optical OFDM with Reduced Guard Band

November 20, 2012 12:00am PST

The authors experimentally demonstrate an intensity modulated and direct detection optical OFDM with variable bit rate from 5 Gb/s to 9 Gb/s using BPSK format. A fast processing based on the...

Provided by: Optical Society of America

Q&A

Opting for Intermediate courses

November 15, 2012 9:51pm PST

Opting for Intermediate courses My friend is in Change Management and he has done the ITIL Foundation. He is in Change Management and we want to know whether he can opt for only Service Transition...

1 Latest comment by Kennedy Varun

Discussion Threads

New iMacs will pack a punch

November 15, 2012 9:20am PST

New iMacs will pack a punch article root Best of both worlds? I've been looking for a new desktop for a while and thought I knew what I was going to get, until I started working with a NE Builder...

7 Started by gariloki  |  Latest comment by Ajarjay

Whitepapers

Analytical Efficiency Evaluation of a Network Mobility Management Protocol for Intelligent Transportation Systems

November 14, 2012 12:00am PST

One of the major concerns in an Intelligent Transportation System (ITS) scenario, such as that which may be found on a long-distance train service, is the provision of efficient communication...

Provided by: EURASIP

Whitepapers

Optimum Training for CSI Acquisition in Cognitive Radio Channels

November 14, 2012 12:00am PST

One of the main issues in the Overlay Cognitive Radio Paradigm (a framework where the secondary transmitter partially cooperates with the primary user) is the acquisition of channel state...

Provided by: University of Vienna