Title :
Impact of ROHC on IP encapsulation efficiency in a DVB-S2 GSE-only transmission system
Author :
Ninan, N.G. ; Ewald, N.L. ; Fairhurst, G.
Author_Institution :
Electron. Res. Group, Univ. of Aberdeen, Aberdeen, UK
Abstract :
The 2nd generation of Digital Video Broadcasting for Satellite (DVB-S2) standards allows the direct transmission of IP content using the Generic Stream Encapsulation (GSE) protocol, replacing the existing Transport Stream (MPEG-2 TS). This represents an evolution from the two current encapsulation methods: the native use of the Packetized Elementary Stream (PES) over TS for MPEG-2 encoded applications and, the use of adaptation protocols such as the Multi-Protocol Encapsulation (MPE) and the Unidirectional Lightweight Encapsulation (ULE) over TS for IP-based MPEG-4 encoded content. This paper reviews this evolution and analyses the overhead improvement resulting from this IP-only architecture. This evaluation considers the impact of using RObust Header Compression (ROHC) on the efficiency for DVB-S2 IP/GSE-only transmission.
Keywords :
audio coding; digital video broadcasting; direct broadcasting by satellite; encapsulation; protocols; DVB-S2 GSE-only transmission system; IP content; IP encapsulation; MPEG-2 TS; MPEG-2 encoded applications; ROHC; adaptation protocols; digital video broadcasting; generic stream encapsulation protocol; multiprotocol encapsulation; packetized elementary stream; robust header compression; satellites; transport stream; unidirectional lightweight encapsulation; Bit rate; Digital video broadcasting; Encapsulation; HDTV; IP networks; Protocols; Transform coding; DVB-S2; GSE; MPEG-2; MPEG-4; ROHC;
Conference_Titel :
Advanced satellite multimedia systems conference (asma) and the 11th signal processing for space communications workshop (spsc), 2010 5th
Conference_Location :
Cagliari
Print_ISBN :
978-1-4244-6831-7
Electronic_ISBN :
978-1-4244-6832-4
DOI :
10.1109/ASMS-SPSC.2010.5586872
