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The introduction of high speed downlink packet access (HSDPA) implies an enormous challenge for all mobile industry agents. All network operators must ensure complete availability of services by diligently planning and tuning their networks. Drive-test and call-tracing tools significantly help to assess the user plane performance but they can be also useful for troubleshooting potential problems in...
This article presents and analyzes the multicast transmission problem of file download services to several users simultaneously in 3G mobile networks with MBMS (multimedia broadcast multicast services). MBMS is the second major enhancement in the downlink of the 3G standard after HSDPA (high-speed downlink packet access). Whereas HSDPA supports high speed point-to-point (p-t-p) transmissions up to...
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