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Novi način procene saobraćajnih svojstava mešovite komunikacione mreže merenjem vremena odziva pozvane strane

New evaluation method of mixed communication network traffic properties by measuring of post selection delay

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2016
Disertacija368.pdf (3.682Mb)
IzvestajKomisije368.pdf (192.5Kb)
Author
Matić, Vladimir
Mentor
Popović, Miroslav
Committee members
Temerinac, Miodrag
Markov, Žarko
Teslić, Nikola
Bašičević, Ilija
Popović, Miroslav
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Abstract
Osnovna svojstva telefonske mreţe, koja opisuju njen kvalitet, su kvalitet prenetog govornog signala i kvalitet u uspostavljanju telefonske veze. Na kvalitet uspostavljanja veze utiĉu mogućnost i brzina uspostavljanja veze. Brzina uspostavljanja veze se izraţava vremenima za koje se obave odreĊene aktivnosti u pojedinim fazama uspo-stavljanja veze. Trajanje ovih faza je propisano normama, koje su odreĊene meĊunarodnim propisima i date su u publikovanim preporukama. Osnovni ĉinilac brzine uspo-stavljanja veze je vreme odziva pozvane strane. Ovaj parametar se definiše kao vremenski interval od slanja poslednjeg adresnog parametra traţenog korisnika od strane pozivajućeg korisnika, do poĉetka odgovora mreţe. U disertaciji je izvršena analiza vremena odziva pozvane strane u telefonskim mreţama i njegovih svojstava. Usled razlika u prenošenju adresnih informacija u klasiĉnim i savremenim paketskim mreţama, uslovi koji se odnose na vreme odgovora pozvane strane nisu isti. Ovaj zakljuĉak je f...ormulisan u predlogu za izmenu postojećih normi koje se odnose na savremene mreţe. U nastavku je opisana mogućnost korišćenja vremena odziva pozvane strane u mešovitoj mreţi kao što je elektroprivredna telefonska mreţa, u cilju donošenja zakljuĉka o radu mreţe. U takvoj mešovitoj mreţi, razliĉite signalizacije i razliĉito trajanje vremena odziva pozvane strane mogu se iskoristiti za nadgledanje ispravnosti pojedinih delova mreţe odnosno detekciju neispravnih veza u njoj. Koristeći ovu osobinu, predloţen je detektor predalarmnog stanja tj. neispravnih veza u mešovitoj telefonskoj mreţi Elektroprivrede Srbije.

Main features of telephone network which describe its service quality are the quality of speech signal and the quality of connection setup. The quality of connection setup is affected by the ability and the speed of connection setup. The speed of connection setup is expressed by the time needed for executing of some connection setup phases. Duration of these phases is prescribed by recommended target values, determined in international recommendations. The key indicator of connection set-up speed is post selection delay. This parameter is defined as the time interval from the moment when the complete address information about the called subscriber is sent from the calling subscriber to the network, till the moment when the answer is received from the network. The analysis of post selection delay in telephone networks and its characteristics is performed in the dissertation. Due to differences in transmission of adress information in classic and modern telephone networks, conditions dea...ling with the post selection delay are not same. This conclusion is formulated in the proposition for changing existing target values related to modern packet networks. In addition, the possibility of using post selection delay in mixed network, such as the telephone network of electric power utility, for monitoring the network operation is described. In such mixed network, different signaling systems i.e. different durations of post selection delay can be used for checking of proper operation of the network parts and detection of faulty connections. Applying this feature, the pre-alarm state detector is proposed.

Faculty:
Универзитет у Новом Саду, Факултет техничких наука
Date:
04-02-2016
Keywords:
Telefonska mreţa / Telephone network / brzina uspostavljanja veze / signaliza-cija / vreme odziva pozvane strane / mreţa Elektroprivrede Srbije / detektor neispravnih veza / numeracija u mreţi / connection setup speed / signalization / post selection delay / electric power utility network / faulty link detector / network numeration
[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_nardus_4787
URI
https://nardus.mpn.gov.rs/handle/123456789/4787
http://www.cris.uns.ac.rs/DownloadFileServlet/Disertacija144767724598669.pdf?controlNumber=(BISIS)95785&fileName=144767724598669.pdf&id=4639&source=NaRDuS&language=sr
http://www.cris.uns.ac.rs/record.jsf?recordId=95785&source=NaRDuS&language=sr
http://www.cris.uns.ac.rs/DownloadFileServlet/IzvestajKomisije144490380499742.pdf?controlNumber=(BISIS)95785&fileName=144490380499742.pdf&id=4443&source=NaRDuS&language=sr

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