Kriteriji za izbor komunikacijskog sustava s objedinjenom skupinom radiokanala

scientific master's theses

• Title (english): Trunking Communication System Selection Criteria
• Author: Elvedin Siječić
• Mentor: Borivoj Modlic (mentor)
• Committee member: Ervin Zentner (predsjednik povjerenstva)
• Committee member: Borivoj Modlic (član povjerenstva)
• Committee member: Branka Medved-Rogina (član povjerenstva)
• Granter: University of Zagreb; Faculty of Electrical Engineering and Computing; (Department of Communication and Space Technologies); Zagreb
• Defense date and country: 2002, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Electrical Engineering; Radio Communications
• Universal decimal classification (UDC): 621.3 - Electrical engineering

Abstract

U magistarskoj radnji je načinjena usporedba dvaju komunikacijskih sustava sa objedinjenom skupinom radiokanala. Uspoređeni su digitalni sustav TETRA s višetrukim pristupom s razdibom po vremenu TDMA i analogni sustav MPT1327 višetrukim pristupom s razdibom po frekvencijama FDMA. U prvom dijelu dat je opis rada uspoređenih sustava, te su opisani načini povezivanja u mrežu. U nastavku su uspoređeni sustavi s obzirom na utrošak radiofrekvencijskog spektra i prometno opterećenje. Opisan je utjecaj radiokanala na prenošenu informaciju, ponašanje pojedinog sustava u ćelijskoj strukturi te su opisani modeli širenja radiovalova i problemi vezani uz intermodulaciju. Na kraju su dati osnovni kriteriji za odabir komunikacijskog sustava sa objedinjenom skupinom radiokanla i smjernice za upotrebu jednog od opisanih sustava.

Abstract (english)

Comparison between two trunking communication systems is presented. Digital trunking system TETRA with time division multiple access TDMA and analogue trunking system MPT1327 with frequency division multiple access FDMA are compared. Initially the compared systems operating principle is described as well as the network connections principles. In the following the systems are compared regarding the necessary radio frequency spectrum and traffic load and how the radio channel characteristics affect the transmitted information. The behavior of the compared systems in cellular structure is described together with the propagation models and problems regarding intermodulation. Finally the basic criteria for the trunking communication system selection is given as well as the directives for the application of one of the compared systems.

• Keywords: TETRA; MPT1327; TDMA; FDMA; trunking; ćelija; radiokanal; feding; širenje radiovalova
• Keywords (english): TETRA; MPT1327; TDMA; FDMA; trunking; cell; radio channel; fading; propagation
• Language: croatian
• URN:NBN: urn:nbn:hr:168:697286
• Study programme: Title: Postgraduate master programme in electrical engineering; Study programme type: university; Study level: postgraduate; Academic / professional title: Magistar znanosti elektrotehnike (Magistar znanosti elektrotehnike)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2019-07-22 08:08:07