[linkage_descriptor.linkage_type]
Bits = 8
0x01 = information service
0x02 = EPG service
0x03 = CA replacement service
0x04 = TS containing complete Network/Bouquet SI
0x05 = service replacement service
0x06 = data broadcast service
0x07 = RCS map
0x08 = mobile hand-over
0x09 = system software update service
0x0A = TS containing SSU BAT or NIT
0x0B = IP/MAC notification service
0x0C = TS containing INT BAT or NIT
0x0D = event linkage
