On the evaluation of the unicast-multicast switching point in MBMS networks for transmission power saving





single frequency networks, MBMS, multicast transmission


Current  multimedia  services  are  mainly  offered  through  existing  3G  and 4G  mobile  network  infrastructure.  Data  transmission  using  these  kind  of networks is accomplished using multicast mode; in this case, the network allocates radio resources (bandwidth and transmission power) during the whole communication process. This has several drawbacks, such as bandwidth and transmission power consumption, interference and higher operational expenses. Mobile operators require new technologies to optimize their radio resources in order to get more effective operation geared to increase the customer base. Hence the need for a paradigm shift towards multicast or broadcast modes, in which several users can receive the same signal simultaneously, sharing the radio resources. In relation to the above, 3GPP provided a technical solution in the LTE Release 6 standard, which is specified as Multimedia Broadcast Multicast Service (MBMS). MBMS allows unicast to multicast transition from a “switching point” that determines the time and conditions for bandwidth and power transmission savings. This paper presents an evaluation to determine the optimal switching point under the MBMS standard for different wireless contexts. Furthermore, given that MBMS allows the use of Single Frequency Networks (SFN) topologies, with network gain properties, we also determine the additional power savings for this configuration.

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Author Biographies

Raúl Tamayo Fernández, CICESE

Department of Electronics and Telecommunications.

Ángel Gabriel Andrade Reátiga, Autonomous University of Baja California

Postgraduate and Research Coordination.

Arturo Serrano Santoyo, CICESE

Principal researcher.

Roberto Conte Galván, CICESE

Principal researcher. Department of electronics and telecommunications. Applied Physics Division.


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How to Cite

Tamayo Fernández, R., Andrade Reátiga, Ángel G., Serrano Santoyo, A., & Conte Galván, R. (2014). On the evaluation of the unicast-multicast switching point in MBMS networks for transmission power saving. Revista Facultad De Ingeniería Universidad De Antioquia, (70), 244–253. https://doi.org/10.17533/udea.redin.14465

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