Proceedings of the 39th Midwest Symposium on Circuits and Systems

21-21 Aug. 1996

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  • Proceedings Of The 39th Midwest Symposium On Circuits And Systems

    Publication Year: 1996, Page(s):iii - xxxv
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    Freely Available from IEEE
  • Conference Author Index

    Publication Year: 1996, Page(s): I
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    Freely Available from IEEE
  • Transmit pulse shaping filters and CORDIC algorithm based precompensation for digital satellite communications

    Publication Year: 1996, Page(s):1219 - 1222 vol.3
    Cited by:  Patents (25)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (424 KB)

    The design and architectural implementation of low complexity pulse shaping filters and algorithmic precompensation for satellite communications transmitters is presented. A lookup table (LUT) approach is used to implement the pulse shaping that provides good spectral efficiency with low implementation loss. A COordinate Rotation Digital Computer (CORDIC) algorithm technique is use to implement th... View full abstract»

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  • Pricing the variance of wind energy

    Publication Year: 1996, Page(s):1049 - 1052 vol.3
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (292 KB)

    At present, the value of electricity produced by wind farms is often assumed proportional to the total energy produced. This is not an accurate model for determining the value of wind energy, however, since it neglects the cost to the utility associated with wind variability. In this paper, a model is proposed where the value of the wind energy produced includes terms related to the variance of th... View full abstract»

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  • Simulation of intermodulation generation in nonlinear transmission line

    Publication Year: 1996, Page(s):1185 - 1188 vol.3
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    For the first time, the intermodulation generation in nonlinear transmission line is numerically simulated by using a frequency-domain numerical technique for nonlinear circuits, referred to as intermodulation-balance method View full abstract»

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  • Error coding and loss cell recovery in asynchronous transfer mode

    Publication Year: 1996, Page(s):1223 - 1226 vol.3
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (328 KB)

    This paper addresses the research and development results of error coding methods in ATM applications. These results include new code implementation, parallel decoding processing, and novel code combination. Three codecs have been designed, developed, simulated and are preparing for hardware testing in field programmable gate array logics. For the single cell transmission, the cell header and the ... View full abstract»

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  • Transmission/distribution load flow based on mesh approach

    Publication Year: 1996, Page(s):1042 - 1045 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (380 KB)

    A load flow based on the first iteration of Newton's method and mesh analysis is proposed. Firstly, one neglects the links and then the systems' tree is solved avoiding matrix inversion. Afterwards, the links are included as radial branches in which the power must be computed in order to impose equivalence with the original system. A set of linear equations for updating the variables is obtained b... View full abstract»

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  • A heuristic strategy for dynamically controlling the time slot access in reservation communication protocols

    Publication Year: 1996, Page(s):1147 - 1149 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB)

    This paper introduces a heuristic technique for calculating the assignment of the time slots in a reservation protocol for shared broadcast communication channels. The method provides results that are slightly sub-optimal, but that can be determined much faster than the ones produced by an exact allocation policy View full abstract»

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  • All-optical dense WDM wide-area communication network

    Publication Year: 1996, Page(s):1157 - 1160 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (396 KB)

    This paper describes a high capacity, scalable and modular all-optical dense WDM WAN. The network assumes a ring-tree (tree of rings) topology and employs all-optical packet switching, wavelength reuse, conversion, and routing schemes for data transport. The optical fiber four-wave mixing (FWM) nonlinear phenomenon is used for wavelength conversion, and erbium-doped fiber amplifiers (EDFAs) are us... View full abstract»

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  • New concepts of the power received by ideal energy storage elements: the instantaneous complex power approach

    Publication Year: 1996, Page(s):1038 - 1041 vol.3
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (228 KB)

    This paper presents some definitions and concepts of the Instantaneous Complex Power Theory which is a new approach for the Alcagi's Instantaneous Reactive Power Theory. The powers received by an ideal inductor are interpreted and the knowledge of the actual nature of these powers may lead to changes of the conventional electrical power concepts View full abstract»

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  • Towards passive wavelength-routed optical networks

    Publication Year: 1996, Page(s):1199 - 1201 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (240 KB)

    We explore an optical network architecture which employs dense WDM technology and passive Waveguide Grating Routers (WGRs) to establish a virtual topology based on lightpaths. We examine the motivation and the technical challenges involved in this approach, propose a network design algorithm, and provide some illustrative performance results View full abstract»

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  • The packet loss analysis in the Manhattan Street Network

    Publication Year: 1996, Page(s):1150 - 1153 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (332 KB)

    In this article, we conducted a theoretical analysis of the packet loss in the Manhattan Street Network (MSN). The concepts of network capacity and capacity rate are introduced. In order to prevent the nodes from losing untransmitted packets, we also proposed the use of queues in the MSN. In addition, we introduced a statistical model to the MSN with buffering. Based on our model, we derived expre... View full abstract»

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  • Burst-mode 16 QAM receiver for upstream transmission over CATV networks

    Publication Year: 1996, Page(s):1260 - 1263 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (444 KB)

    This paper describes the characteristics and performance of a burst-mode 16 QAM receiver. Circuit implementations and control algorithms are presented with an emphasis on burst-mode phase acquisition, automatic gain control, and data decision. Measurement results show a typical receiving sensitivity of -60 dBm, a dynamic range of 22 dB and a run-in time of 2 μs View full abstract»

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  • A new way of representing the hypercube

    Publication Year: 1996, Page(s):1329 - 1332 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (396 KB)

    Binary hypercube is an attractive and powerful topology for interconnecting computing nodes in a multiprocessor system since it allows simple deadlock-free routing and broadcasting. In a hypercube architecture one has to visualize multidimensional objects to develop an efficient algorithms or to analyze system behavior, whereas, human beings are habituated to at most three-dimensional objects. In ... View full abstract»

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  • VLSI implementation of on board processing subsystems for satellite channels

    Publication Year: 1996, Page(s):1235 - 1238 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB)

    One of the sub-systems used in on board processing for satellite channels is a Multicarrier Demodulator (MCD). The MCD consists of a demultiplexer followed by a demodulator. The demultiplexer is used to separate the frequency division multiple access signals into individual channels. The demodulator is used to bring the separated frequency division multiple access signals into baseband signals. Th... View full abstract»

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  • A neural network-based detection thresholding scheme for active sonar signal tracking

    Publication Year: 1996, Page(s):1424 - 1427 vol.3
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (352 KB)

    Intensity thresholding is an effective technique to cut off the low energy noises and cut down the computational load in an underwater target tracking system. A neural network based adaptive intensity thresholding scheme with a constant false alarm rate (CFAR) for an active sonar signal tracking situation in a realistic sea environment is proposed in this paper. The proposed system has the followi... View full abstract»

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  • Self-learning neurofuzzy controller

    Publication Year: 1996, Page(s):987 - 990 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB)

    A self-learning fuzzy logic system is given for control of unknown multiple-input-multiple-output (MIMO) plants. A concise formulation of fuzzy controllers for MIMO plants is presented. Through new terminology and data types, relations among the crisp input vector, the fuzzy basis set for all linguistic input variables, the cardinality vector of fuzzy partitions in all input universes of discourse... View full abstract»

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  • Short term unit commitment

    Publication Year: 1996, Page(s):1034 - 1037 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (308 KB)

    In this paper, an algorithm based on a heuristic approach has been developed to perform short term unit commitment. The proposed algorithm consists of several reasoning loops to generate a schedule that satisfies all given constraints. The decisions from these loops are based on a partial priority list method and some appropriate heuristic rules. A prototype program written in C language is used t... View full abstract»

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  • A miniaturized lumped-distributed balun for modern wireless communication systems

    Publication Year: 1996, Page(s):1347 - 1350 vol.3
    Cited by:  Papers (13)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (268 KB)

    The reduction in size of RF signal processing components is an important part of the miniaturization and cost reduction of wireless communication systems. A balun is a crucial component in most wireless communication systems. In this paper we describe research aimed at reducing the size and manufacturing complexity of printed baluns. A design utilizing distributed microstrip coupled lines and lump... View full abstract»

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  • Property verification of communication protocols based on probabilistic reachability analysis

    Publication Year: 1996, Page(s):1143 - 1146 vol.3
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (352 KB)

    In this paper we show how symbolic probabilistic analysis techniques for finite state systems can be successfully used to perform quantitative verification of properties and performance evaluation of communication protocols and, more in general, of entire protocol stacks and complete communication networks. In particular, we first outline our approach to the problem of verifying communication prot... View full abstract»

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  • Simple explicit and recursive formulas for the coefficients of FIR digital differentiators for midband frequencies

    Publication Year: 1996, Page(s):1413 - 1415 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (160 KB)

    An efficient algorithm for calculating the coefficients of FIR digital differentiators for mid-band frequencies is presented. Simple closed-form explicit and recursive formulas are derived in a straightforward manner. Moreover, a simple recursive relation is obtained, relating the coefficients of two digital filters of adjacent ranks View full abstract»

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  • Application of Volterra series in modeling human systemic arteries simulated on PSPICE

    Publication Year: 1996, Page(s):1181 - 1184 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (312 KB)

    The Volterra series is used for the transient analysis of linear lumped elements in lossy coupled transmission lines with mildly nonlinear terminations. This method is also applied to modeling wavefronts of electrical signals representing blood pressure and flow in human arterial systems which has been modeled as a very nonlinear transmission line. PSPICE software is used to simulate the transient... View full abstract»

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  • Granularity experiments for the adaptive multiprocessor system (AMPS)

    Publication Year: 1996, Page(s):1285 - 1288 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (360 KB)

    AMPS (Adaptive MultiProcessor System) is a shared-memory MIMD architecture intended for digital signal processing applications. We present our investigations on task granularity for AMPS. We have investigated task decomposition (granularity reduction) for matrix multiplication and fast Fourier transform (FFT) and task grouping (granularity enlargement) for Gram-Schmidt orthogonalization (GSO). The... View full abstract»

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  • Optimal energy management for solar car race

    Publication Year: 1996, Page(s):1011 - 1014 vol.3
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (408 KB)

    This paper describes a solar car simulation and race strategy program developed for the University of Illinois Sunrayce 95 solar car race team. The goal is to complete the ten-day race course in the minimum total running time, using solar energy alone. In cloudy weather, even the most competitive cars can become energy-limited. The strategic choice in that case, is how fast to drive the car at any... View full abstract»

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  • Adaptive techniques for routing and wavelength assignment in all-optical WANs

    Publication Year: 1996, Page(s):1195 - 1198 vol.3
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (352 KB)

    This paper considers routing and wavelength assignment issues in wavelength-routed all-optical networks. We use a general approach in which all paths connecting a source-destination pair are taken as candidate paths and the network state information is incorporated into the routing process. We formulate the optimal routing problem as an integer linear programming problem and show that it is comput... View full abstract»

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