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IT Service Provider Deutsche Bahn Systems Uses CA's SPECTRUM Software for 24x7 Network Availability for Europe's Largest Railway Company: Deutsche Bahn AG provides urban, regional and long-distance transportation to approximately 1.7 billion passengers annually via 35,000 trains that travel throughout Germany and many neighboring countries. Additionally, the railway company's freight transport division moves 280 million tons of cargo per year. An IT infrastructure the size of the one required...; Tags: Network, Information Technology, Computer Associates International Inc., Spectrum Software, Network Availability, Transportation, Strategy, Management; Case studies

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Spectrum Management in Coordinated Dynamic Spectrum Access Based Cellular Networks: This paper focuses on spectrum management in next generation cellular networks that employ Coordinated Dynamic Spectrum Access DSA. In this model, a spectrum broker controls and provides time-bounded access to a band of spectrum to wireless service providers and/or end users and implements the spectrum pricing and allocation schemes and...; Tags: Algorithm, Lucent Technologies Inc., Microsoft Access, Network, Allocation, Cellular Network, Alcatel, Spectrum, Wireless Service, Engineering; White papers 2005-11-01
DIMSUMNet: New Directions in Wireless Networking Using Coordinated Dynamic Spectrum Access: Recent advances in Software Defined Radio SDR, wide band spectrum sensing, and environment aware real-time spectrum allocation show promise of enabling the new paradigm of Dynamic Spectrum Access DSA networks. These networks aim to provide dynamic access to large swaths of spectrum which is currently statically partitioned and underutilized. Majority...; Tags: Microsoft Access, Network, Wireless Networking, Spectrum, Wireless; White papers 2005-06-01
DIMUSUMNet: New Directions in Wireless Networking Using Coordinated Dynamic Spectrum Access: This paper argues that a simpler, pragmatic approach that offers coordinated, spatially aggregated spectrum access via a regional spectrum broker is more attractive in the immediate future. The paper introduces two new concepts, namely, Coordinated Access Band CAB and Statistically Multiplexed Access SMA to spectrum that form the basis of...; Tags: Microsoft Access, Network, Wireless Networking, Spectrum, Wireless; White papers 2005-06-01
RF Spectrum Policy: Future-Proof Wireless Investment Through Better Compliance: Radio Frequency RF spectrum is an overlooked but critical resource. It is through the spectrum between 800 MHz and 5.9 GHz that an organization will connect laptops and PDAs to the network, talk on cellular phones, cordless phones, and headsets. Unless properly managed, many of these technologies will crowd the...; Tags: Radio Frequency, Compliance, Investment, Spectrum, Radio Frequency Spectrum; White papers 2008-01-01

Spectrum Shaping for Interference Management in Cognitive Radio Networks: Most dynamic spectrum access research centers on determining the set of frequencies being used by spectrum license holders, taking its converse, and from what remains selecting the optimal subset of spectrum. This, however, assumes unlicensed transmissions have a square power spectrum By shaping the unlicensed power spectra, it can do...; Tags: Application, Network, Radio, Spectrum; White papers 2006-09-26
DSAP: A Protocol for Coordinated Spectrum Access: The continually increasing number of wireless devices operating in the unlicensed frequency bands makes the freely-available wireless spectrum a scarce commodity. Under such circumstances, efficient wireless spectrum management is necessary to minimize the effects of overcrowding and maximize quality of service. This paper presents the design, implementation and evaluation of...; Tags: Microsoft Access, Spectrum, Wi-Fi, Wireless; White papers
A Case for Coordinated Dynamic Spectrum Access in Cellular Networks: Majority of research in Dynamic Spectrum Access DSA networks has focused on free-for-all, opportunistic spectrum access for peer-to-peer ad-hoc communication, typically targeting military applications. This paper proposes that a simple form of DSA called Coordinated DSA that relies on a regional spectrum broker to control spectrum access can bring benefits...; Tags: Microsoft Access, Network, Cellular Network, Spectrum; White papers 2005-11-01
Towards an Architecture for Efficient Spectrum Slicing: With the increased demands for wireless spectrum, dynamic spectrum sharing is emerging as an important and powerful concept. Most research in this domain is being conducted in design of cognitive radios and on specific PHY and MAC layer challenges associated with them. However, for a dynamic spectrum sharing architecture to...; Tags: Spectrum; White papers 2006-10-23
Spectrum Managment: Is there any Indian company who is into software and tools for Spectrum managment/frequency management/wireless network planning in india?How developed would be the market in this field in india; Tags: ajhinduja@...; Discussion threads 2007-07-11
Utilization and Fairness in Spectrum Assignment for Opportunistic Spectrum Access: The Open Spectrum approach to spectrum access can achieve near-optimal utilization by allowing devices to sense and utilize available spectrum opportunistically. However, a naive distributed spectrum assignment can lead to significant interference between devices. This paper defines a general framework that defines the spectrum access problem for several definitions of...; Tags: Microsoft Access, Allocation, Spectrum; White papers 2006-05-04
Sinclair Spectrum Emulator (CE Handheld, SH-4) (zip): With this freeware emulator program, handheld users can play games from the Sinclair Spectrum game console on their Windows CE machine. Affectionately known as The Speccy, the Sinclair Spectrum was a vintage gaming system similar to the Commodore 64. To use this emulator program you can download Spectrum ROMs or...; Tags: Palmtop, Emulator, Spectrum, Microsoft Windows CE, Games, Handhelds, Operating Systems, Microsoft Windows, Software, Personal Technology, Hardware; Software downloads 2000-05-18
Planning Future Heterogeneous Wireless Networks: This paper is based on the analyzed emerging challenges encountered by the future radio network, focuses on several candidate techniques targeting at a more spectrum-efficient and cost-effective solution. Among them, spectrum management is one special topic covering fields of technique, regulation and politics. It points out the high tendency of...; Tags: Network, Siemens AG, Radio, Wireless Network, Wireless, Advertising & Promotion, Productivity, Networking, Marketing; White papers 2005-05-26
Zelscope (exe): Converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. The Zelscope application was designed to convert your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal which can be music,...; Tags: Spectrum, Spectrum Analyzer, Zelscope, Storage, Hardware; Software downloads 2007-12-13
Virtins Pocket Spectrum Analyzer (exe): Virtins Pocket Spectrum Analyzer is a powerful Pocket PC based virtual instrument. It consists of a real-time oscilloscope and a real-time spectrum analyzer and can run them concurrently. It features a specially designed data acquisition approach which is able to monitor the input signal continuously without missing any triggering event....; Tags: Virtins Pocket Spectrum Analyzer, Pocket PC, Monitors & Displays, Databases, Handhelds, Operating Systems, Hardware, Components, Enterprise Software, Software, Data Management; Software downloads 2005-12-28
Spectrum Sharing for Unlicensed Bands: This paper presents a study of a spectrum sharing problem in an unlicensed band where multiple systems coexist and interfere with each other. Due to asymmetries and selfish system behavior, unfair and inefficient situations may arise. The paper investigates whether efficiency and fairness can be obtained with self-enforcing spectrum sharing...; Tags: Scenario, Spectrum, Bluetooth, Wi-Fi, Wireless; White papers
Spectrum Analyzer Pro Live (exe): Correlation Meter giving you information about the mono compatibility of a stereo and a Surround signal you also can make easily Phase Check with this tool. Displaying in 1/3 Octave and FFT (31,2048 Bands) Decay settings Display speed for the Spectrum in the Octave Mode, the FFT Mode and one...; Tags: Productivity; Software downloads 2005-10-27
A New Pricing Model for Next Generation Spectrum Access: This paper briefly reviews several concepts that are central to the design of spectrum management algorithms emphasizing on pricing. These include FCC auctions, single-unit auctions, and peak-load pricing. Based on these concepts and models, the paper proposes a new pricing spectrum's pricing model for the Coordinated Access Band CAB operated...; Tags: Microsoft Access, Pricing Strategy, Spectrum, Pricing, Marketing Research, Marketing; White papers 2006-07-31
RF Spectrum Utilization in WiMAX: This paper discusses the implementation of IEEE 802.16a/d/e WirelessMAN broadband wireless access, also referred to as WiMAX Worldwide Interoperability for Microwave Access, in terms of frequency spectrum. Spectrum-regulating bodies around the world have earmarked frequency bands, both licensed and unlicensed, for broadband deployment. Semiconductor suppliers, such as Fujitsu Microelectronics America,...; Tags: WiMAX, Wi-Fi, Wireless; White papers 2004-11-01
The WiMax Spectrum Picture: Wireless broadband is clearly at a crossroads. Convergence is taking place between the technology road maps of WiMAX/802.16 and advanced 3GPP, 3.5G-4G cellular systems. These technologies are on a collision course and will provide similar bandwidth and significant market overlap by 2010. The evolution of spectrum availability and overall regulation...; Tags: WiMAX, Broadband Wireless, Broadband, Convergence, Wireless Broadband, Broadband Internet, Telecommunications, Wireless, Network Technology, Networking; White papers 2005-08-11

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