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Download Handover in DVB-H: Investigation and Analysis by Xiaodong Yang PDF

By Xiaodong Yang

“European has already built profitable criteria some time past, and i'm very con?dent that at the foundation of DVB-H, cellular television providers can developtheeconomiesofscaletheyneedfortake-upacrossEuropeandaround the world,” With those phrases of EU’s Telecom Commissioner Viviane Reding, DVB-H is destined to be a dominating cellular television expertise in Europe or even on the planet. i used to be ?rst moving into contact with the DVB know-how while i used to be doing my PhD examine in Brunel college in united kingdom in 2002. at the moment DVB-T was once already a mature and familiar electronic broadcast know-how and an individual might simply purchase a DVB-T receiver out there to attempt the electronic broadcast indications which have been already broadcasted in united kingdom when you consider that 1998. Then the DVB expertise global replaced dramatically. As a extra ?exible and powerful terr- trial broadcast approach focusing on handsets, DVB-H was once constructed according to DVB-T. In 2003 the DVB-H neighborhood have been consistently operating to ?n- ize the normal. ultimately in November 2004 DVB-H used to be followed as an ETSI regular EN 302 304. i used to be fortunate to work out a lot of these adjustments whilst i used to be doing my PhD study in DVB know-how. and that i was once very proud to be interested in the di?erent DVB-H learn tasks because the starting of the DVB-H general improvement degree. i used to be additionally fortunate adequate that i'm one of many ?rst individuals who ?nished PhD measure by means of concentrating on DVB-H learn.

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Extra info for Handover in DVB-H: Investigation and Analysis

Example text

This kind of service is called IP Datacast (IPDC) [53]. IPDC was developed by the DVB ad-hoc group Convergence of Broadcast and Mobile Services (CBMS) [53] over the DVB-H standard [93]. The IPDC over DVB-H standard complements the DVB-H standard by defining OSI layers 3-7 and refining some of the OSI layer 2 specific protocols, especially Program Specific Information (PSI) and Service Information (SI). Although IPDC services can be offered via existing GPRS or UMTS cellular networks by MBMS [135, 96], MBMS is only suitable for light traffic services such as short video clips.

The PSI/SI tables provide information to enable automatic configuration of the receiver to demultiplex and decode the various streams of programs within the multiplexed transport stream. In PSI/SI tables, there are different descriptors containing the signalling information for DVB-H. 1 of Chapter 1. The terrestrial delivery system descriptor and the frequency list descriptor in conjunction with the service list descriptor are the main parameters that are used in the simplest handover method introduced for the stationary and portable reception of DVB-T.

IPDC was developed by the DVB ad-hoc group Convergence of Broadcast and Mobile Services (CBMS) [53] over the DVB-H standard [93]. The IPDC over DVB-H standard complements the DVB-H standard by defining OSI layers 3-7 and refining some of the OSI layer 2 specific protocols, especially Program Specific Information (PSI) and Service Information (SI). Although IPDC services can be offered via existing GPRS or UMTS cellular networks by MBMS [135, 96], MBMS is only suitable for light traffic services such as short video clips.

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