ABSTRACT
Digital Video Broadcasting—Handheld (DVB-H) had already been a popular research topic before the first publication of the standard. This chapter discusses the fundamentals needed to accomplish seamless handover. The covered topics include signaling, service discovery, and definition of an algorithm for seamless handover in DVB-H. Service discovery signaling within DVB-H is considered to consist of two parts: transmission parameter signaling (TPS) and program specific information/service information (PSI/SI). Based on the information acquired from the PSI/SI and the TPS bits, the receiver can validate the network and cell of each candidate signal that may be found during the handover process. PSI/SI signaling consists of tables that are carried over transport streams of the Internet Protocol Datacast over the DVB-H network. Service discovery in DVB-H means resolving the mapping of Internet Protocol addresses to the logical channels carried within signals available in different cells and networks.
