benefits and compensation

Whitepapers

Optimal Pilot Based Frequency-Dependent I/Q Imbalance Compensation for Wideband Direct-Conversion Transmitters

March 12, 2012 12:00am PDT

Current trends in low-cost and low power consumption transmitters in state-of-the-art wireless systems is to use the direct-conversion principle. Such transmitters, however, suffer severely from...

Provided by: University College Dublin

Whitepapers

Mitigation of Phase Noise in Single Carrier Frequency Domain Equalization Systems

March 12, 2012 12:00am PDT

In this paper, the authors study the effect of PHase Noise (PHN) in a Single Carrier Cyclic Prefix (SCCP) system operating with a known cyclic prefix. The PHN process is a limiting factor in high...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Performance Analysis of Coded Secondary Relaying in Overlay Cognitive Radio Networks

March 12, 2012 12:00am PDT

The authors study the error and Diversity-Multiplexing Tradeoff (DMT) performance of a (secondary) multi-user relay network, where a class of finite field network codes are applied in the relays...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Optimal Distributed Estimation in Wireless Sensor Networks With Spatially Correlated Noise Sources

March 12, 2012 12:00am PDT

A sensor network's motes observe the environment, make estimates based on observations with spatially correlated noise sources, and then send/relay these estimates to a Cluster-Head (CH). A novel...

Provided by: Georgia Institute of Technology

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Low Complexity Look Up Table Based Adaptive Digital Predistorter With Low Memory Requirements

March 9, 2012 12:00am PST

With the advent of spectrally efficient wireless communication systems employing modulation schemes with varying amplitude of the communication signal, linearization techniques for nonlinear...

Provided by: EURASIP

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Two-Stage Compensator Designs With Partial Feedbacks

March 3, 2012 12:00am PST

The two-stage compensator designs of linear system are investigated in the framework of the factorization approach. First, the authors give "Full feedback" two-stage compensator design. Based on...

Provided by: University of Aizu

Blog Post

Keep an eye on ASP.NET applications with health monitoring

March 1, 2012 11:23am PST

The ASP.NET health monitoring feature provides one way to keep an eye on an application in various ways and then respond accordingly.

Whitepapers

Design of Digital Filter for Multistandard Wireless Transceivers

March 1, 2012 12:00am PST

A digital decimation filter is designed for delta - sigma analog to digital converter. The designed filter has a multi-stage structure which is comprised of a stage CIC filter, two stage half -...

Provided by: International Journal of Communications and Engineering

Whitepapers

Analysis of Optical Network with Soliton Propagation in DCF and EDFA Based Network

March 1, 2012 12:00am PST

The advancement in optical communication by the emergence of soliton pulse propagation with its distinct feature of retaining its shape through long distance transmission, have brought in lot of...

Provided by: International Journal of Communications and Engineering

Whitepapers

Power Saving Component for Cooperative Multi-Channel MAC Protocols

March 1, 2012 12:00am PST

Distributed Information SHaring (DISH) is a new cooperative approach to designing multichannel MAC protocols. It aids nodes in their decision making processes by compensating for their missing...

Provided by: International Journal of Communications and Engineering

White Papers

Mobile Devices Everywhere: Healthcare Organizations Need Innovative Technology to Manage & Secure Mobility

March 1, 2012 12:00am PST

For many years — generations, in fact, healthcare leaders have been asking for the increased use of information technology in their facilities, especially at the point of care. The problem: The...

Provided by: Absolute Software

Whitepapers

HP Bring your own device to Healthcare

March 1, 2012 12:00am PST

In today's healthcare environment, more and more people are bringing their Wi-Fi devices into the hospital's infrastructure. This presents a unique challenge to the hospital IT administrator. This...

Provided by: HP and Intel®

Whitepapers

DCS: Distributed Asynchronous Clock Synchronization in Delay Tolerant Networks

March 1, 2012 12:00am PST

In this paper, the authors propose a Distributed asynchronous Clock Synchronization (DCS) protocol for Delay Tolerant Networks (DTNs). Different from existing clock synchronization protocols, the...

Provided by: Institute of Electrical & Electronic Engineers

Blog Post

Healthcare IT is bustling at HIMSS

February 28, 2012 5:04am PST

At this year's HIMSS, vendors were offering products ranging from EHR (Electronic Health Record) systems to desktop and network hardware to medical devices of all kinds.

Whitepapers

An Adaptive Feedback Canceller for Full-Duplex Relays Based on Spectrum Shaping

February 27, 2012 12:00am PST

Although full-duplex relaying schemes are appealing in order to improve spectral efficiency, simultaneous reception and transmission in the same frequency results in self-interference, distorting...

Provided by: University of Vienna

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Five apps that pave the way for DIY healthcare

February 24, 2012 9:09am PST

Smartphone and web apps are making healthcare cheaper and more effective - reducing visits to the doctors and providing patients with diagnoses and medical advice in their own home. Here are five...

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Whitepapers

Benefits of a decision-centric business

February 22, 2012 12:00am PST

Businesses cannot trade efficiency for effectiveness, especially when dealing with cutting costs while maintaining organisational balance and customer demands. Coping with change is one of the...

Provided by: IBM

Blog Post

Barriers to cloud adoption for healthcare practitioners

February 17, 2012 9:00am PST

Aditi Roy Ghatak discusses the primary issues that complicate cloud technology use in the healthcare industry and the compelling reasons to overcome these obstacles.

Whitepapers

Carrier Frequency Offset Estimation Algorithm in the Presence of I/Q Imbalance in OFDM Systems

February 16, 2012 12:00am PST

In this paper, the authors analyzed the feasibility of using a virtual carrier based carrier frequency offset estimation algorithm in the presence of I/Q imbalance in OFDM systems. Based on the...

Provided by: Interscience Open Access Journals

Whitepapers

Physical-Layer Network Coding Using FSK Modulation Under Frequency Offset

February 6, 2012 12:00am PST

Physical-layer network coding is a protocol capable of increasing throughput over conventional relaying in the two-way relay channel, but is sensitive to phase and frequency offsets among...

Provided by: West Virginia University