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spectrum
(4616 results)-
Research
4G: How worldwide LTE services stack up
May 15, 2013 12:00am PDT
While a handful of countries have had commercial 4G LTE networks up and running for several years, for most of the world, fourth-generation mobile services are still a relatively new phenomena....
Provided by: TechRepublic
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Whitepapers
Anticipatory Buffer Control and Resource Allocation for Wireless Video Streaming
April 10, 2013 12:00am PDT
In this paper, the authors describe a new approach for allocating resources to video streaming traffic. Assuming that the future channel state can be predicted for a certain time, they minimize...
Provided by: University of Toledo
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Case Studies
Correct Solutions: IT Provider Gives SMB Customers Flexibility with Mixed Cloud and On-Premises Solutions
April 5, 2013 12:00am PDT
Correct Solutions is an IT consultancy that serves small businesses in the Sydney, Australia, area. It prides itself on understanding each customer's business problems and finding technology that...
Provided by: Microsoft
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Whitepapers
Competition Between Wireless Service Providers: Pricing, Equilibrium and Efficiency
April 3, 2013 12:00am PDT
As the communication network is in transition towards a commercial one controlled by Service Providers (SP), the present paper considers a pricing game in a communication market covered by several...
Provided by: University of Science and Technology Houari Boumediene
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Whitepapers
An Efficient Dictionary and Lingual Keyword Based Secure Search Scheme in Cloud Storage
April 1, 2013 12:00am PDT
Cloud computing has become the more accepted answer to the current information needs. With today's enterprises operating across multilingual and multicultural spectrum, cloud computing search...
Provided by: International Journal of Computer Applications
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Whitepapers
Design and Simulation of Hartley Based Multi Orthogonal Band OFDM
April 1, 2013 12:00am PDT
Recent advances in wireless communication systems have made use of OFDM technique to achieve high data rate transmission. The sensitivity to frequency offset between the carrier frequencies of the...
Provided by: International Journal of Computer Applications
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Whitepapers
Non-Gaussian Noisy Channel Effect on Multi-User IDMA-UWB Communication System
April 1, 2013 12:00am PDT
In this paper, multi-user communication scenario for Ultra Wide Band (UWB) system has been considered. For effective use of spectrum in multi-user communication, a new variant of CDMA scheme known...
Provided by: International Journal of Computer Networks and Wireless Communications (IJCNWC)
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Whitepapers
A Cognitive Digital Home Framework Using Admission Control and Resource Distribution
April 1, 2013 12:00am PDT
The advances in radio design and wireless networking, along with the growth of multimedia home entertainment technologies, is creating the concept of a cognitive digital home requiring spectrum...
Provided by: Creative Commons
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Whitepapers
Dynamic Data Gathering Protocol in Wireless Sensor Networks
April 1, 2013 12:00am PDT
Wireless Sensor Networks (WSNs) consist of small nodes with sensing, computation, and wireless communications capabilities. Recent advances in wireless communications technology and micro-electro...
Provided by: Creative Commons
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Whitepapers
A Comparison Study for PSD Performance in OFDM Systems Based on Using Autocorrelation Techniques
April 1, 2013 12:00am PDT
Cooperative wireless communication relay networks in OFDM-based systems have been shown to improve performance in various systems using digital modulation techniques as a form of spatial...
Provided by: International Scientific Research Organization for Science, Engineering and Technology
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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
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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)
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Whitepapers
Periodicity Based Cyclostationary Spectrum Sensing in Cognitive Radio Networks
April 1, 2013 12:00am PDT
The last decade has witnessed a growing demand for wireless radio spectrum due to the rapid deployment of new wireless devices and applications. Spectrum is a precious resource and thus...
Provided by: International Journal of Computer Applications
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Whitepapers
CellTV - on the Benefit of TV Distribution Over Cellular Networks: A Case Study
March 20, 2013 12:00am PDT
As mobile IP-access is becoming the dominant technology for providing wireless services, the demand for more spectrum for this type of access is increasing rapidly. Since IP-access can be used for...
Provided by: Cornell University
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Whitepapers
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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Whitepapers
Malicious User Detection in Cooperative Environment in Cognitive Radio Networks
March 10, 2013 12:00am PST
Cognitive radio efficiently utilizes the unused spectrum for secondary usage without interfering a primary licensed user. In cooperative environment, a primary licensed user can share spectrum...
Provided by: International Journal of Science and Research (IJSR)
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Whitepapers
Design and Analysis of a Compact Ultra Wide Band Coaxial Probe Feed Microstrip Patch Antenna
March 6, 2013 12:00am PST
Microstrip antennas are increasingly finding applications in microwave communication system as they are light weight, have planar configuration and inexpensive to fabricate. For many years,...
Provided by: International Journal of Computer Applications
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Whitepapers
CogWnet: A Resource Management Architecture for Cognitive Wireless Networks
March 3, 2013 12:00am PST
With the increasing adoption of wireless communication technologies, there is a need to improve management of existing radio resources. Cognitive radio is a promising technology to improve the...
Provided by: University of Miami School of Business Administration
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Whitepapers
Spectrum Sensing and Security in Cognitive Radio
March 1, 2013 12:00am PST
This paper analysis performance of energy detection technique for cognitive radio which implies spectrum sensing. Main objective is to reduce interference occur in the cognitive radio systems....
Provided by: International Journal of Computer Applications
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Whitepapers
Security Frameworks Design and Implementation for Dynamic Management of Data and Information in Cognitive Radio Networks
March 1, 2013 12:00am PST
Cognitive radio network is a new innovation wireless technology aiming to improve the utilization of the electromagnetic spectrum. Cognitive radio network consists of several cognitive radio...
Provided by: North Western University
