WCDMA for UMTS: Radio Access for Third Generation Mobile Communications
WCDMA for UMTS: Radio Access for Third Generation Mobile Communications
HSDPA/HSUPA for UMTS: High Speed Radio Access for Mobile Communications
HSDPA/HSUPA for UMTS: High Speed Radio Access for Mobile Communications
An Efficient Handover Algorithm for MBMS Enabled 3G Mobile Cellular Networks
ISCC '06 Proceedings of the 11th IEEE Symposium on Computers and Communications
Radio Resource Management Strategies in UMTS
Radio Resource Management Strategies in UMTS
Evolving 3G mobile systems: broadband and broadcast services in WCDMA
IEEE Communications Magazine
Multimedia Broadcast Multicast Service Performance and its Enhancements in WCDMA Networks
Wireless Personal Communications: An International Journal
Evaluation of different power saving techniques for MBMS services
EURASIP Journal on Wireless Communications and Networking
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Multimedia Broadcast Multicast Services (MBMS) was introduced in Third Generation Partnership Project (3GPP) Release 6 in order to address the need for the efficient usage of the expensive radio resources. The goal of this effort is to support downlink streaming and download-and-play type services to large groups of users. From the radio perspective, MBMS includes point-to-point (PtP) and point-to-multipoint (PtM) modes. The fact that Node B's transmission power is a limited resource and must be shared among all MBMS users in a cell indicates the need for power control during an MBMS service. Consequently, the analysis of the transmitted power plays a fundamental role in the planning and optimization process of Universal Mobile Telecommunications System (UMTS) radio access networks. In this paper we investigate the factors that affect the Node B's transmission power levels during an MBMS session, such as, cell deployment, propagation models, users' distributions and mobility issues. To this direction, the transport channels in the downlink, currently existing in UMTS which could be used to transmit the multicast data over the UMTS Terrestrial Radio-Access Network (UTRAN) interfaces are examined.