Using Mobile Television (Mobile TV) service, TV content becomes available anytime and anywhere, regardless of user location. In this way, users can watch TV program on the move. Mobile TV also provides an attractive business model for providers of telecommunication services. In this paper a brief overview of regulatory framework and national Mobile TV market is given. Also, Mobile TV technologies are described.

This article examines two business models for multiplex (MUX) operators in the process of digitization: Business model 1, where a MUX operator rents the existing network infrastructure and Business model 2, where a MUX operator owns the network infrastructure. By examining these models, this article aims to show which business model and which standard are most cost efficient for digital television implementation in Bosnia and Herzegovina. This analysis shows that a good MUX operator business model is very important for digital television implementation. Three different scenarios point to the fact that the transmission system significantly affects the cost of the MUX operator. Through this analysis, it will be determined that Business model 2 is more economical for Bosnia and Herzegovina. Keywords-broadcasters; business models; investment costs; legal framework; MUX operator.

In this paper dynamic spectrum access has been considered as solution for spectrum inefficiency and spectrum scarcity problem. The synchronization of the signal, i.e. time and frequency recovery is proposed as one of the key parameters that are to be maintained and controlled adequately in order to achieve the best performance in cognitive radio networks. Given simulations provide the results that propose an approach by which synchronization issue is to be researched in order to estimate the level of the energy efficiency in cognitive radio. We do hope that the final stage of this research would result in creating a regulatory framework for enabling cognitive radio to be easier, if not fully enabled.

Recent penetration of SDR (Software defined radio) technology into mobile systems of new generation as well as increasing throughput demands in radio access network (RAN) are main development engines of new paradigm in radio access network world, better known as Cloud-Radio Access Network (C-RAN). This inovative architecture whose main proponent among telecom companies is China Mobile, should significantly decrease bussiness costs of Telcos, mainly on the long term basis, and also enable higher resource utilization as well as faster and more flexibile development of radio access networks following the IT concept of Cloud Computing. Although the architecture itself, applied to this field, is quite revolutionary compared to the present one, its realization would be based on optimal combination of existing technologies that would have to be adjusted to system requirements of, mainly, LTE and LTE advanced systems. Even though theoretically, reviewed architecture provides a number of improvements, for its wider acceptance and implementation, certain problems must be solved due to the current capabilities of SDR technology and optical infrastructure. This paper will present brief overview of pros and cons of this architecture as well as an estimate of further progress in this field. This paper will present a new overview of all known techniques to realize a system capable to support a C-RAN network. We explored all the external factors that affect the radio access network and we made our own conclusions.

Integration of the possibilities of smart mobile telephones and tablet devices with the possibilities of the modern contact center provides us with the new solutions for the problems that we encounter everyday which would significantly facilitate life and result in saving time, money and nerves. In two specific examples, through the organisation of taxi service in cities and restaurants, we have created scenarios of application possibilites of smart mobile telephones and tablet devices combined with the possibilities of the modern contact center supported by adequate public infrastructure (broadband internet and WiFi, GPS) and appropriate applicative software solution and databases.

MPEG je jedna od najpopularnijih serija standarda za video/audio kompresiju, pogodnih za razlicite aplikacije, ali i dalje temeljenih na slicnim principima. Ako se MPEG komprimirani video signal treba prenijeti do udaljenog korisnika, na raspolaganju su razlicite mreže i tehnologije, primjerice ATM i IP, pri cemu je od interesa osigurati potrebnu kvalitetu usluge, i to koristenjem najekonomicnije tehnologije na raspolaganju. Da bi se to ostvarilo, potrebno je nadzirati parametre kvalitete usluge na razini relevantne prijenosne tehnologije (kakvi su npr. varijacije kasnjenja i gubitak podatkovnih jedinica protokola koji se koristi – okvira, celija ili paketa), te odabrati odgovarajuce metode za njihovo držanje na razini koju (usljed smanjenja redundancije) osjetljivi komprimirani MPEG niz može tolerirati. S tim u vezi, u ovome radu je, s jedne strane, predstavljen primjer tehnika mjerenja i testiranja prijenosnog sustava (ATM), a s druge strane, dostignuta perceptualna kvaliteta prenesenoga MPEG signala, a zatim su doneseni odgovarajuci zakljucci o razini utjecaja gubitaka podataka u mreži na kvalitetu primljenog video signala.