Simulation of radiographic image data transfer and video conferencing over local area networks /

algorithms for BCH codes from an implementation point of

Bibliographic Details
Main Author: Sarker, Nripendra Nath, 1951-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1996.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:algorithms for BCH codes from an implementation point of
are shown in Chapter V. Appendix A shows an alternative way
attractive mainly because of their rate advantage. Interest
basics in Chapters I and 11 may directly skip to Chapter 111.
be adapted easily to any other similar situations. The main
better than the Ethernet LAN with remote file servers because
can be effectively used to design a network for local area
Chapter 11 provides an introduction to the terms that are
Chapter I gives an introduction to finite field algebra.
conferencing was studied in the Ethernet LAN with local file
data transfer. The necessary inputs are: number of users,
developed for a conceptualized hospital situation, this can
discusses the system issues involved in making a modulation
each user may the magnified images only. The FDDI LAN works
Ethernet LANS. The packetization time was assumed to be
extensions of the binary field. These generalized codes are
feature of the implementation is that it works over all
finite fields and their extensions as opposed to earlier
fixed irrespective of the packet sizes. Video conferencing
for different combinations of these variables. The
for some codes. The new technique of making the M-PSK
frequency of requests, size and kind of data transfer, and
generalized encoder and decoder for BCH codes. The special
has been generated because of availability of a new method to
implementations in literature involving only finite field
in these codewords mapped into modified M-PSK constellations
is to measure the performance of these codes in an Additive
it affects all the traffic very seriously and also it does
LAN to be worked on. Although this simulation model was
LAN with local storage system gives the lowest delay since
magnified images obtained from the file servers. The Ethernet
make a code rotationally invariant. The purpose of this work
modulation scheme rotationally invariant is also presented.
not guarantee quality video image delivery. This simulation
One of the objectives of any network installation is to
packetized data transfer over LAN. The possiblity of video
possibility of video conferencing was also studied along with
puts excessive demand on the transmission media. As a result
rational choice on the number of servers necessary for the
Rayleigh fading on the performance has also been simulated
requester may initiate a video conference after studying the
requests. A random number of requests for magnified images
requirements. The LAN transmission capacities considered
retrieve files from file servers with minimum possible delay.
rotational invariance, presents the new technique and
scheme rotationally invariant. The results of the simulation
service, rate of the server pool. The arrival rate was
storage system assuming a probability of 0.01 that a
the packet sizes of the FDDI LAN are larger than that of the
the radiographic image transfer. The objective of this work
This chapter deals with the encoding rules and the decoding
to make rotationally invariant block codes in a QAM scheme.
transmission rate of the media. This simulation will give a
used in channel coding theory. Readers familiar with the
variable number of servers was considered to vary the
varied to simulate the number of users and their frequency of
view. Chapter IV is the mainstay of the thesis. It explains
was to develop a more generalized simulation model for
were 1 and 10 Mbps. The objective was then to find the delay
were considered to articulate the individual choices and
White Gaussian Noise ( AWGN ) channel. The effect of
Within three LAN configurations considered in this study, a
work involved in this thesis is the implementation of a
Item Description:"Major subject: Electrical Engineering".
Vita.
Physical Description:ix, 43 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references: page 42.