IPRK 92/4 S IPRK 92/4 S.1 IPRK 95/44 L.2 IPRK 95/44 L.21 IPRK 95/44 L.3 IPRK 95/44 L.5 IPRK 95/A L.2 IP-RLDII/UNI IPR-LDPC IPR-NCO