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Bandwidth sensitive content transformation in pervasive computing
Proceedings ISCC 2000. Fifth IEEE Symposium on Computers and Communications, 2002In pervasive Internet access, the quality of presentation often needs to be adjusted according to the instantaneous network bandwidth and the hardware capability of the user's device. Current Web transformation mechanisms, being unable to adapt dynamically to the available network bandwidth and data requirement, result in uniform loss of quality, and ...
Hung, Chi Chi, Hong, Lim Yan
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Bandwidth efficient parallel computation
1996We believe that for the next few years, the most pressing research question in parallel computation will concern communication bandwidth: Can we design fast algorithms for parallel computers that only support low bandwidth communication (such as most existing parallel computers).
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Bounds on memory bandwidth in streamed computations
1995The growing disparity between processor and memory speeds has caused memory bandwidth to become the performance bottleneck for many applications. In particular, this performance gap severely impacts stream-orientated computations such as (de)compression, encryption, text searching, and scientific (vector) processing.
William A. Wulf +2 more
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Link Bandwidth Planning for Distributed Computer Control Systems
IFAC Proceedings Volumes, 1981Abstract In the economics of DCCS the cost of data communication is usually one of the dominant factors. This cost depends strongly on the bandwidth assignment plan, i.e., the topology and capacities of the data communication network. A model for optimization of this plan is proposed, as well as a solution method based on decomposition into more ...
W.P. Paula Filho +1 more
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How Is Bandwidth Used in Computers?
2007This chapter will explore the issue of bandwidth: how it is used, and how that effects the performance of an individual processor in a system, as well as how it impacts the overall system. It will examine the current trends in system evolution, and explain what those trends imply in light of bandwidth. Finally, the chapter will explore the technologies
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Computer-aided design of filters with variable bandwidth
Computers & Electrical Engineering, 1973Abstract This paper considers the design of linear time-varying lowpass filters whose bandwidth varies according to a prescribed slowly-varying time function. The method is based on minimizing the mean square of the difference between the weighting functions of the time-varying and the corresponding frozen filter.
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Interleaved Memory Bandwidth in a Model of a Multiprocessor Computer System
IEEE Transactions on Computers, 1979An approximate analysis is performed of an often studied model of an interleaved memory, multiprocessor system consisting of M memory modules and N processors. A closed-form solution is obtained and the one approximation used is found to result in negligible error. This solution is about an order of magnitude more accurate than the best previous result.
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Fog Computing with P2P: Enhancing Fog Computing Bandwidth for IoT Scenarios
2019 International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, Physical and Social Computing (CPSCom) and IEEE Smart Data (SmartData), 2019Cloud computing is an architecture which several Internet-of-Things (IoT) devices relay on to outsource their computation tasks. The numbers and needs of IoT devices have grown massively, to which cloud computing could not fulfill these needs. Cloud computing has its shortcomings in terms of bandwidth, latency, and real-time response. To overcome these
Eduard Schleicher +2 more
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Optical computing for image bandwidth compression: analysis and simulation
Applied Optics, 1978Image bandwidth compression is dominated by digital methods for carrying out the required computations. This paper discusses the general problem of using optics to realize the computations in bandwidth compression. A common method of digital bandwidth compression, feedback differential pulse code modulation (DPCM), is reviewed, and the obstacles to ...
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Computation of the bandwidth of a digital-voltmeter comparison device
Measurement Techniques, 19681. The required bandwidth of the comparison device has been found with the inertia of the compensation voltage source taken into consideration. 2. It has been shown that this bandwidth's maximum extension due to the inertia of source Vk for a permissible error of δ=0.01–0.001% amounts to 25–30%.
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