E-DPCCH
E-DCH Dedicated Physical Control Channel
The E-DPCCH is the uplink physical channel used to transmit control signalling associated with the E-DCH. It contains 10 useful bits of information which includes: – RSN (Retransmission Sequence Number) – 2bits. – E-TFCI (Enhanced – Transport Format Combination Identifier) information – 7bits. – Happy Bit – 1bit.