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This paper describes three methods that were used to investigate multiprocessor bus architectures. The models described were implemented in FORTRAN, GPSS, and SIMULA. Characteristics of the three implementations, such as program length, program memory requirements, execution time and ease of use are compared. Results of the simulation of a single bus system(More)
Modeling the receiver end is critical for the overall performance of wireless software defined radio (SDR) systems. This paper investigates the real-time implementation of channel identification for multi-input single-output (MISO) SDR systems. Based on the multi-rate sampling theory, and using the continuous-time system discretization technique with(More)
This paper describes an operating system (OS) simulator designed to be used as an instructional tool in the teaching of OS performance issues. Design criteria, assumptions used, development, and implementation of the model are discussed. The model provides a hands-on laboratory tool for experimentation with a layered, modular, multitasking, event driven OS.(More)
We have looked at several aspects of networks in this article. As you read about networks, and use them, we hope our discussions will help you understand some of the associated concepts and terms. For instance, suppose someone describes an Ethernet installation as a bus topology LAN using the 1-persistent CSMA/CD protocol with horizontal cables on each(More)
This paper describes how micro PASSIM, a GPSS based simulation system, was transported from the Apple II to the HP 9836. The problems associated with moving a large program form one UCSD Pascal system to another are discussed. Micro PASSIM was transported to the HP system so that an Ethernet to HPIB interface board could be modeled. The model is described(More)
This paper presents the results of the simulation of three different bus architectures used in multiprocessor systems. The TIMESHARED BUS, MULTIBUS, and, CROSS BAR SWITCH configurations were modeled. Activity diagrams were used as a basis to develop the models. Since our models were based upon hypothetical multiprocessor systems, there was no way to compare(More)
The computing system at any University Computer Center is intended to be used in a manner that is supportive of its educational purposes and conducive to its educational environment. Constituents of the University are able to apply for the right to use the computing facilities and when that right is granted (e.g., when an account number is issued) it is(More)
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