Effective bandwidths

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  • This book is about pricing issues in modern communications networks. Recent technology advances, combined with the deregulation of the communication market and the proliferation of the Internet, have created a new and highly competitive environment for communication service providers. Both technology and economics play a major role in this new environment. As recent events in the marketplace make clear, the success of a communication services business is not guaranteed by new technology alone.

    pdf368p tailieuvip13 19-07-2012 46 5   Download

  • Speed of hardware, NICs (network interface cards), operating systems, logging configurations, network bandwidth, load balancing and many other factors must also go into benchmark requirements. One may have two identical server environments with two very different EPS requirements due to any or all of these and other variables. With consideration of these vari- ables, EPS can be established for normal and peak usage times.

    pdf27p giamdocamnhac 06-04-2013 25 4   Download

  • To fulfill the ever increasing demands of internet based communication network, the speed of computing as well as the speed of data processing should be high enough with the transmission medium of enormous potential bandwidth having the vast amount of information handling capabilities. On the other hand, conventional electronic technology has already reached its ultimate speed limit (40 Gb/s) through the limitations of miniaturization of chips and bandwidth limitation, and obviously it will create data traffic jam in future internet based networking services....

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  • Real Time Digital Signal Processing Adaptive filters are time varying, filter characteristics such as bandwidth and frequency response change with time. Thus the filter coefficients cannot be determined when the filter is implemented. The coefficients of the adaptive filter are adjusted automatically by an adaptive algorithm based on incoming signals. This has the important effect of enabling adaptive filters

    pdf503p nhan4321 29-10-2009 61 16   Download

  • THE recent development of various methods of modulation such as PCM and PPM which exchange bandwidth for signal-to-noise ratio has intensified the interest in a general theory of communication. A basis for such a theory is contained in the important papers of Nyquist1 and Hartley2 on this subject. In the present paper we will extend the theory to include a number of new factors, in particular the effect of noise in the channel, and the savings possible due to the statistical structure of the original message and due to the nature of the final destination of the information....

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  • Adaptive filters are time varying, filter characteristics such as bandwidth and frequency response change with time. Thus the filter coefficients cannot be determined when the filter is implemented. The coefficients of the adaptive filter are adjusted automatically by an adaptive algorithm based on incoming signals. This has the important effect of enabling adaptive filters

    pdf21p duongph05 08-06-2010 64 12   Download

  • Develop SharePoint apps using collaborative social enterprise tools Use the new Minimal Download Strategy (MDS) smart technology to consume less bandwidth Version documents, list items, and entire parts of SharePoint with improved control Use colors and styles to get a themed version of your CSS with a simple line of code Extend the client object model with enhanced search capabilities Your guide to the most significant changes in SharePoint 2013.

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  • The PON (Passive Optical Network over wavelengths) Express 16 is the first transport platform to use a Passive Optical Network (PON) architecture to break the access bottleneck. Using Dense Wave Division Multiplexing (DWDM), the PON Express 16 provides cost-effective access to business parks, campuses, and multi-dwelling unit/multi-tenant units over a shared network infrastructure without sacrificing security or limiting bandwidth. Up to 16 customers can be simultaneously connected with each having up to 1Gbps dedicated, symmetrical bandwidth.

    pdf4p maiphuong 13-08-2009 80 9   Download

  • Novel generation wireless system is a packet switched wireless system with wide area coverage and high throughput. It is designed to be cost effective and to provide high spectral efficiency . The 4th wireless uses Orthogonal Frequency Division Multiplexing, Ultra Wide Radio Band and millimeter wireless and smart antenna. Highly directive, planar UWB antennas are gaining more and more attention, as required in many novel and important applications.

    pdf0p 123859674 02-07-2012 48 6   Download

  • ADC’s LoopStar SONET system is designed to enable service providers to easily and economically provide Ethernet business services to enterprise customers looking to increase their bandwidth above current DS1 or DS3 speeds. These systems efficiently transport layer 2 Ethernet service over SONET while providing the level of redundancy and protection associated with traditional SONET networks. The LoopStar SONET system is designed to be rack or wall mounted for individual and/or multi-tenant business units.

    pdf2p halanh 14-08-2009 44 4   Download

  • Private SONET networks provide large multi-site enterprise customers and campuses a simple cost-effective way to interconnect each site or building using their own fiber, leasing SONET bandwidth or leasing dark fiber. Large enterprise customers typically have multiple sites in a metro or campus area. In addition to requiring connectivity to corporate headquarters, many of these sites need to be interconnected. Since building a physical mesh network can become quite expensive, enterprise customers require a cost-effective solution that can interconnect their sites.

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  • The Challenge: Organizations delivering network-based services need powerful end-to-end solutions to effectively and predictably deliver the differing Quality-of-Service (QoS) requirements of voice, video, and data applications. Voice, for example, requires a small but assured amount of bandwidth, low delay, low jitter and low packet loss. A data application such as file transfer protocol (ftp) needs more bandwidth, but can tolerate the delay & jitter.

    pdf4p vinhnghi 18-08-2009 37 4   Download

  • The main goal of Grid programming is the study of programming models, tools, and methods that support the effective development of portable and high-performance algorithms and applications on Grid environments. Grid programming will require capabilities and properties beyond that of simple sequential programming or even parallel and distributed programming.

    pdf24p huggoo 20-08-2010 60 4   Download

  • The tremendous growth of the mobile users’ population coupled with the bandwidth requirements of new cellular services is in contrast to the limited spectrum resources that have been allocated for mobile communications. The objective of channel allocation is to assign a required number of channels to each cell such that efficient frequency spectrum utilization is provided and interference effects are minimized.

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  • Wireless multihop networks, also known as packet radio networks and ad hoc networks, hold great promise for providing easy to use mobile services for many applications, especially military and disaster relief communications. Such networks can provide robust communication, be rapidly deployed, and respond quickly in dynamic environments. However, effectively deploying and utilizing such networks poses many technical challenges. One such challenge is to make effective use of the limited channel bandwidth....

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  • Although FTTP is receiving a great deal of attention for delivering today’s bandwidth-hungry triple-play services to the home, many service providers are opting for a fiber-to-the-node (FTTN) access solution. FTTN takes advantage of existing copper infrastructure to provide a cost effective alternative – and ADC has developed an entire portfolio of FTTN service delivery solutions.

    pdf4p halanh 13-08-2009 64 3   Download

  • We show experiments for on-line convergence to a global partitioning solution for sharing the database buffer pool, storage cache, and disk bandwidth in dif- ferent application configurations. We compare our ap- proach to two baseline approaches, which optimize ei- ther the memory partitioning, or the disk partitioning, as well as combinations of these approaches without global coordination. We show that for most application con- figurations, our computed model effectively prunes most of the search space, even without any additional tuning through experimental sampling.

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  • PG-Plus® is a cost-effective subscriber carrier system that derives 2, 4, or 6 lines from a single copper pair. ADC’s proven HDSL transmission technology provides reach 20% beyond that of traditional Digital Added Main Line (DAML) solutions. PG-Plus installs in minutes due to line powering and its plug-and-play design. Its unique architecture supports POTS, UVG, DDS, ISDN, P-Phone, CLASS features, enhanced MLT testability and network management all from the same platform.

    pdf4p thuyvan 13-08-2009 63 2   Download

  • Access to sufficient Internet bandwidth enables worldwide electronic collaboration, access to informational resources, rapid and effective communication, and grants membership to a global community. Therefore, bandwidth is probably the single most critical resource at the disposal of a modern organisation.

    pdf313p quatet 08-01-2013 23 2   Download


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