wireless

Blog Post

Pros and cons of Fibre Channel and Ethernet storage

March 18, 2013 5:30am PDT

Scott Reeves looks at some of the differences between Fibre Channel and Ethernet Storage. Both have their place, depending on the size of the business, and whether there is existing or new...

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Five challenges of mobile applications for IT (Spanish)

March 18, 2013 12:00am PDT

"Thanks to the popularity of mobile phones, the way people access and information systems has changed significantly. The expanded capabilities of mobile devices, such as camera and determining...

Provided by: HP

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Five challenges of mobile applications for IT (Portuguese)

March 18, 2013 12:00am PDT

"The demand on IT to support mobile devices as a method for conducting business has exploded in recent years, and is a project full of challenges in the areas of support, performance, security -...

Provided by: HP

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The Public Safety Broadband Network: A Novel Architecture with Mobile Base Stations

March 18, 2013 12:00am PDT

A nationwide interoperable public safety broadband network is being planned by the United States government. The network will be based on Long Term Evolution (LTE) standards and use recently...

Provided by: Northwestern University

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Secure Sharing of Personal Health Records in Cloud Computing

March 18, 2013 12:00am PDT

Personal health record, or PHR, is a health record where health data and information related to the care of a patient is maintained by the patient. This stands in contrast with the more widely...

Provided by: International Journal of Science and Research (IJSR)

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Analysis of Power Control Mechanisms of MAC Protocol for Wireless Sensor Networks

March 17, 2013 12:00am PDT

Power conservation is a major issue in wireless sensor networks, as most of the nodes are battery powered. Power control is not related to any particular layer, since the authors can apply power...

Provided by: International Journal of Science and Research (IJSR)

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Constructing Connected-Dominating-Set With Maximum Lifetime in Cognitive Radio Networks

March 16, 2013 12:00am PDT

Connected-Dominating-Set (CDS) is a representative technique for constructing virtual backbones of wireless networks and thus facilitates implementation of many tasks including broadcasting,...

Provided by: Hong Kong Baptist University

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Wireless Information and Power Transfer: Energy Efficiency Optimization in OFDMA Systems

March 16, 2013 12:00am PDT

In this paper, the authors consider Orthogonal Frequency Division Multiple Access (OFDMA) systems with simultaneous wireless information and power transfer. They study the resource allocation...

Provided by: Cornell University

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A Secure Account Based Mobile Payment Protocol With Public Key Cryptography and Biometric Characteristics

March 16, 2013 12:00am PDT

The way people do the business and transactions are changing drastically with the advent of Information Technology. The customer wants to access information, goods and services any time and in any...

Provided by: International Journal of Science and Research (IJSR)

Blog Post

vSphere upgrade and server swap tutorial

March 15, 2013 11:17am PDT

Follow Lauren Malhoit's step-by-step instructions on how to upgrade from vSphere 5.1 and View 5.1 and do a server refresh.

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Future Evolution of CSMA Protocols for the IEEE 802.11 Standard

March 15, 2013 12:00am PDT

In this paper a candidate protocol to replace the prevalent CSMA/CA medium access control in wireless local area networks is presented. The proposed protocol can achieve higher throughput than...

Provided by: Universitat Politecnica de Catalunya

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Joint Maximum Sum-Rate Receiver Design and Power Adjustment for Multihop Wireless Sensor Networks

March 15, 2013 12:00am PDT

In this paper, the authors consider a multi-hop Wireless Sensor Network (WSN) with multiple relay nodes for each hop where the Amplify-and-Forward (AF) scheme is employed. They present a strategy...

Provided by: University of W�rzburg

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Low-Complexity Channel Estimation with Set-Membership Algorithms for Cooperative Wireless Sensor Networks

March 15, 2013 12:00am PDT

In this paper, the authors consider a general cooperative Wireless Sensor Network (WSN) with multiple hops and the problem of channel estimation. Two matrix-based set-membership algorithms are...

Provided by: Cornell University

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Optimal Power Allocation for Energy Harvesting and Power Grid Coexisting Wireless Communication Systems

March 15, 2013 12:00am PDT

In this paper, the authors consider the power allocation of a single-link wireless communication with joint energy harvesting and grid power supply. They formulate the problem as minimizing the...

Provided by: Tsihai

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Review on Energy Conservation in Wireless Sensor Network

March 15, 2013 12:00am PDT

In this paper, the author discussing what wireless sensor networks is. Sensor nodes are battery powered devices and the main issue is how to reduce the energy consumption of nodes so that the...

Provided by: Creative Commons

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Traffic Shaping in Wireless Mesh Network

March 15, 2013 12:00am PDT

Wireless Mesh Networks (WMNs) consist of mesh routers and mesh clients, where mesh routers have minimal mobility. A WMN is dynamically self-organised and self-configured, with the nodes...

Provided by: Creative Commons

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Comparative Study of RMST and STCP Protocol for QoS Provisioning in WSN

March 14, 2013 12:00am PDT

Advancements in technologies, semiconductor industry and communications resulted in construction of wireless sensors. Wireless sensors are self-managing and sensing devices having the capability...

Provided by: King Saud University

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Distributed Optimal Rate-Reliability-Lifetime Tradeoff in Wireless Sensor Networks

March 14, 2013 12:00am PDT

The transmission rate, delivery reliability and network lifetime are three fundamental but conflicting design objectives in energy-constrained Wireless Sensor Networks. In this paper, the authors...

Provided by: Zhejiang Normal University

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Distributed Space-Time Coding of Over-the-Air Superimposed Packets in Wireless Networks

March 14, 2013 12:00am PDT

In this paper, the authors propose a new cooperative packet transmission scheme that allows independent sources to superimpose over-the-air their packet transmissions. Relay nodes are used and...

Provided by: University of the Witwatersrand

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Object Tracking Mechanism for Wireless Sensor Network Environment

March 14, 2013 12:00am PDT

Object Tracking Sensor Networks (OTSNs), the movement of the object generally follows some definite patterns. The tradeoff between energy efficiency and accuracy of the tracking, moving object...

Provided by: International Journal of Science and Research (IJSR)