Description  Claims  Drawing  Cited references 

Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8)   [0007] 
Sequence-based PUCCH for UCI of up to 2 bits   [0007] 
DMRS-based vs. Sequence-based PUCCH in short duration   [0007] 
sPUCCH format design   [0007] 
sPUCCH resource management   [0007]