You are presented with multiple paper abstracts, alongside the associated literature review and chapter titles. Given the provided information, you are going to do a literature review. Please generate a coherent literature review that synthesizes the content, draws connections between different works, highlights major findings, and identifies any gaps in the existing research.

Literature Review Title: A survey of handover algorithms in DVB-H 
Chapter Title:  HANDOVER DECISION-MAKING BASED ON THE HANDOVER CRITERIA 
1. Abstract of Cited Paper (BIB001):  The 3rd generation mobile cellular communication systems will provide high-capacity bandwidth, enabling rich media and even TV services to be accessible via mobile handheld devices. For the reception of such services, seamless mobility is a must rather than an option. Alternatively, Digital Television standards, particularly data broadcasting in Terrestrial Digital Video Broadcasting (DVB-T), can be used for the delivery and reception of similar services. However, the current DVB-T standard lacks adequate methods that enable seamless mobility. In cellular delivery systems, this can be achieved by so-called soft handovers. time slicing is a recent enhancement proposed for the new - still being developed - Digital Video Broadcasting for handheld (DVB-H) standard, which together with DVB-T enables a feasible solution for soft handover to be implemented. This paper considers how time slicing can be utilized in implementing soft handover in a DVB-H receiver. An algorithm for soft handover is proposed and evaluated.

Literature Review:
In the second stage of the handover process, the DVB-H ternFigure 9. Soft handover illustration. minal will decide whether it should perform handover based on the predefined handover criteria. The most commonly used handover criteria parameters are the Received Signal Strength Indicator (RSSI) and the Signal Noise Ratio (SNR) BIB001 BIB002 . This survey article only considers MFNs, so the selfinterferences between different transmitters in SFNs will not be considered. When the RSSI or the SNR is identified as degraded to some degree from the handover measurement of the first stage, the handover decision-making process will be triggered. Taking the SNR as the handover criteria for example, once the SNR threshold margin value s_th is reached for a certain threshold time t_th, the receiver will tune to the frequency with the strongest SNR value to continue service reception. The SNR and duration threshold are shown in Fig.  11 . In addition to the physical layer parameters, it is increasingly important to take the quality of currently received IP streams as one handover criterion especially within a MFN network. This is also recognized in  16] .