Trådlöst signalflaggsystem för fotbollsdomare
(2012) EEM820 20122Department of Biomedical Engineering
- Abstract
- The purpose of this master thesis was to develop a football referee paging flag system. A paging flag system is an appliance to facilitate the assessment of the game and to improve the communication between the referee and the assistant referees. The assistant referees are each equipped with a paging flag and the referee is equipped with a receiver, which vibrates when activated from a button push located on the flags. The system consists of two radio transmitters and a receiver implemented in two flags and one plastic box. Mode of procedure to build the system was to construct circuit boards through etching and then solder the components onto it. The essential parts of the system are the transmitter and receiver, together with the encoder... (More)
- The purpose of this master thesis was to develop a football referee paging flag system. A paging flag system is an appliance to facilitate the assessment of the game and to improve the communication between the referee and the assistant referees. The assistant referees are each equipped with a paging flag and the referee is equipped with a receiver, which vibrates when activated from a button push located on the flags. The system consists of two radio transmitters and a receiver implemented in two flags and one plastic box. Mode of procedure to build the system was to construct circuit boards through etching and then solder the components onto it. The essential parts of the system are the transmitter and receiver, together with the encoder and decoder. The operating frequency for the system was 433 MHz, which is an allowed band for amateur radio. Using the encoder and decoder it is possible to connect up to seven flags to one receiver due to a learn feature. These components also provide security encryption so that no outer sources of interference will interfere. Since the paging system already is being used in the highest divisions in Sweden and internationally, the aim was to examine how the system also could be used by referees in the lower divisions. A market survey was sent out to all of football referees in Skåne (530 persons). The result of the study was that the price for the existing paging system was too high to be considered significant for referees in the lower divisions. The principal conclusion was to examine how economically efficient the development cost of the system would be, so that it would be considered an option by all referees. (Less)
Please use this url to cite or link to this publication:
http://lup.lub.lu.se/student-papers/record/3634074
- author
- Cimic, Emin LU and Sahiti, Besnik LU
- supervisor
- organization
- course
- EEM820 20122
- year
- 2012
- type
- H2 - Master's Degree (Two Years)
- subject
- keywords
- referee paging flag system, radio communications, antenna theory, digital communication
- language
- Swedish
- additional info
- 2012-07
- id
- 3634074
- date added to LUP
- 2013-04-18 14:12:41
- date last changed
- 2014-10-08 14:47:31
@misc{3634074,
abstract = {{The purpose of this master thesis was to develop a football referee paging flag system. A paging flag system is an appliance to facilitate the assessment of the game and to improve the communication between the referee and the assistant referees. The assistant referees are each equipped with a paging flag and the referee is equipped with a receiver, which vibrates when activated from a button push located on the flags. The system consists of two radio transmitters and a receiver implemented in two flags and one plastic box. Mode of procedure to build the system was to construct circuit boards through etching and then solder the components onto it. The essential parts of the system are the transmitter and receiver, together with the encoder and decoder. The operating frequency for the system was 433 MHz, which is an allowed band for amateur radio. Using the encoder and decoder it is possible to connect up to seven flags to one receiver due to a learn feature. These components also provide security encryption so that no outer sources of interference will interfere. Since the paging system already is being used in the highest divisions in Sweden and internationally, the aim was to examine how the system also could be used by referees in the lower divisions. A market survey was sent out to all of football referees in Skåne (530 persons). The result of the study was that the price for the existing paging system was too high to be considered significant for referees in the lower divisions. The principal conclusion was to examine how economically efficient the development cost of the system would be, so that it would be considered an option by all referees.}},
author = {{Cimic, Emin and Sahiti, Besnik}},
language = {{swe}},
note = {{Student Paper}},
title = {{Trådlöst signalflaggsystem för fotbollsdomare}},
year = {{2012}},
}