A novel mechanism for radio capacity maximization during MBMS transmissions in B3G networks

Authors:
Antonios Alexiou;Christos Bouras;Vasileios Kokkinos;Evangelos Rekkas
Affiliations:
Research Academic Computer Technology Institute, Patras, Greece;Research Academic Computer Technology Institute, Patras, Greece;Research Academic Computer Technology Institute, Patras, Greece;Research Academic Computer Technology Institute, Patras, Greece
Venue:
Proceedings of the 11th international symposium on Modeling, analysis and simulation of wireless and mobile systems
Year:
2008

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Abstract

This paper proposes a novel mechanism for efficient power control during multicast transmissions in Beyond 3rd Generation (B3G) mobile networks. The mechanism utilizes optimally the available power resources of Universal Mobile Telecommunication System (UMTS) base stations, resulting to network capacity maximization. The proposed mechanism is based on the concept of transport channels combination (point-to-point and/or point-to-multipoint radio bearers) in any cell/sector of the network in which Multimedia Broadcast/Multicast Service (MBMS) users are residing. In particular, the transport channel combination that minimizes the transmission power of the base station is selected for the transmission of the MBMS traffic to the corresponding cell. The mechanism is evaluated through several realistic scenarios and the results indicate the ability of the mechanism to utilize optimally the radio resources of the network. Furthermore, our approach is compared with several power control mechanisms existing in the bibliography, including the 3rd Generation Partnership Project (3GPP) approaches (presented in 3GPP TS 25.346 and 3GPP TR 25.922), in order to highlight the enhancements that it provides.