unified communications

Whitepapers

Efficient Techniques for Prolonging Sensors Lifetime of Wireless Sensor Networks

April 1, 2013 12:00am PDT

The study of Wireless Sensor Networks (WSNs) and its routing protocols becomes challenging because it requires an extremely large breadth of knowledge from an extremely large variety of...

Provided by: Creative Commons

Whitepapers

Performance Comparison of MIMO Systems Over AWGN and Rician Channels Using OSTBC4 With Zero Forcing Receivers

April 1, 2013 12:00am PDT

Multiple-Input Multiple-Output (MIMO) is used in wireless communications to achieve high data rates within the limited frequency spectrum. MIMO uses multiple transmitting and receiving antennas so...

Provided by: Lovely Professional University

Whitepapers

Adaptive Modulation Performance in MIMO-OSTBC Over Rayleigh Fading Channel

April 1, 2013 12:00am PDT

This paper presents the performance of adaptive modulation with multiple input multiple output orthogonal space time block coding MIMO-OSTBC over frequency selective Rayleigh fading channel using...

Provided by: The International Journals of Engineering & Sciences (IJENS)

Whitepapers

Analysis of Streaming Services and Security Issues in Peer-to-Peer Network

April 1, 2013 12:00am PDT

A P2P network is a special type of computer network that exhibits self-organization, symmetric communication, and distributed control. P2P streaming systems can be classified into P2P live...

Provided by: International Journal of Computer Science and Network Security

Whitepapers

New Data Encryption Standard Algorithm

April 1, 2013 12:00am PDT

A goal is the design of any encryption algorithm must be security against unauthorized attacks. Within the last decade, there has been a vast increase in the accumulation and communication of...

Provided by: International Journal of Computer Science and Network Security

Whitepapers

Performance Evaluation of OSTBC Systems Using Different Channels

April 1, 2013 12:00am PDT

Due to the increased demand of wireless communication systems because of the features of the system which provides a wide coverage, high throughput and reliable services, the MIMO systems...

Provided by: International Journal of Computer Applications

Whitepapers

Performance Analysis of 200-Gb/s Low Complexity Transmission in Second Window

April 1, 2013 12:00am PDT

An optical communication systems operating at multi-Gbit/s, such as 10 Gigabit Ethernet are becoming increasingly important in Local Area Networks (LANs) and Metropolitan Area Networks (MANs). The...

Provided by: International Journal of Computer Applications

Whitepapers

Simulation and Performance Analysis of Reactive Routing Protocols

April 1, 2013 12:00am PDT

An ad-hoc network is a collection of two or more devices equipped with wireless communications and having networking capability. The devices in the network can communicate with another node that...

Provided by: International Journal of Computer Applications

Whitepapers

QoS Enabled Probabilistic Routing for Heterogeneous Wireless Sensor Networks

April 1, 2013 12:00am PDT

There is an increasing research interest in solving routing problems in Wireless Sensor Networks (WSN) and most of the existing routing protocols for WSN consider homogeneous nodes wherein, all...

Provided by: mecs-press

Whitepapers

Towards LP Modeling for Maximizing Throughput and Minimizing Routing Delay in Proactive Protocols in Wireless Multi-hop Networks

March 31, 2013 12:00am PDT

Wireless Multi-hop Networks (WMhNs) provide users with the facility to communicate while moving with whatever the node speed, the node density and the number of traffic flows they want, without...

Provided by: Dalhousie University

Whitepapers

Network Intrusion Prevention System Techniques to Manage DDOS Attacks

March 31, 2013 12:00am PDT

Now-a-days, guarantee of secure communication is as important as the traditional computer and information security assurance. Presently Distributed Denial of Service (DDoS) Attacks are causing...

Provided by: Universal Insurance Managers, Inc.

Whitepapers

WiMax Networks:Binary Tree Based Keying

March 31, 2013 12:00am PDT

Recently, WiMAX has been proposed as an attractive wireless communication technology for providing broadband access for metropolitan areas. Undeniably, networks have become very important...

Provided by: Lovely Professional University

Whitepapers

Simulation and Comparison of Long Term Evolution (LTE) Schemes in Wireless Sensor Networks

March 31, 2013 12:00am PDT

High speed data transmission has become one of key elements in wireless sensor systems. Power constraints of the sensor nodes should be accounted to deploy such high speed transmission techniques...

Provided by: VIT Software, LLC

Blog Post

Social collaboration in the cloud with Samepage

March 29, 2013 11:33am PDT

Will Kelly reviews Samepage, a new cloud-based social collaboration platform from Kerio.

Blog Post

Share what you know with instructive videos

March 28, 2013 11:22am PDT

Using a few undemanding tools you can make suitable instructive videos.

2 Latest comment by SlowPCHelp

Whitepapers

IDC Report: The Future of eMail is Social

March 28, 2013 12:00am PDT

This IDC white paper takes a look at the current state of enterprise email and the perceived and real problems that surround its use. The paper discusses the changing nature of collaboration and...

Provided by: IBM

Whitepapers

Anticipate, engage and deliver exceptional web experiences

March 28, 2013 12:00am PDT

IBM Customer Experience Suite and IBM Intranet Experience Suite help organizations delight customers through a consistently exceptional web experience and empower employees with the social...

Provided by: IBM

Whitepapers

Simple, cost-effective messaging and collaboration for medium-sized businesses

March 28, 2013 12:00am PDT

Help strengthen customer relationships, drive operational effectiveness and optimize your workforce with IBM collaboration and messaging solutions for medium-sized businesses. IBM Lotus software...

Provided by: IBM

Whitepapers

The Future of email and application is social

March 28, 2013 12:00am PDT

This white paper examines the state of collaboration in today's enterprise and provides an IBM point of view on how collaboration will evolve, along with how Notes and Domino software will fit...

Provided by: IBM

Whitepapers

The future of email and applications is social

March 27, 2013 12:00am PDT

Email will retain relevance as a key business collaboration tool by evolving toward a more integrated approach with these newer tools. IBM Notes and Domino is the right platform for creating...

Provided by: IBM