5A.2.1 Spreading
25.2213GPPPhysical channels and mapping of transport channels onto physical channels (TDD)Release 17TS
The spreading of physical channels is the same as in 3.84 Mcps TDD (cf. 5.2.1 ‘Spreading’). When there are more than two uplink physical channels to be transmitted in one timeslot, UE shall always guarantee the transmission of DPCH with data to be transmitted and non-scheduled E-PUCH.