4.9A Coding for S-E‑DPCCH

25.2123GPPMultiplexing and channel coding (FDD)Release 17TS

The following information related to the transport block transmitted on the secondary stream is transmitted by means of the S-E-DPCCH:

– Retransmission sequence number (RSN): xrsn,1, xrsn,2

– E-TFCI: xtfci,1, xtfci,2, …, xtfci,7

– Spare: xh,1

4.9A.1 Overview

Overall coding chain for S-E-DPCCH follows that of the E-DPCCH described in clause 4.9.1.

4.9A.2 S-E‑DPCCH information field mapping

4.9A.2.1 Information field mapping of E‑TFCI

The E‑TFCI mapping for S-E-DPCCH follows that of the E-DPCCH described in clause 4.9.2.1.

4.9A.2.2 Information field mapping of retransmission sequence number

The RSN mapping for S-E-DPCCH follows that of the E-DPCCH described in clause 4.9.2.2.

4.9A.2.3 Information field mapping of the Spare bit

This bit is fixed to ”0’ in this release of the specifications.

4.9A.3 Multiplexing of S-E‑DPCCH information

The S-E-DPCCH multiplexing follows that of the E-DPCCH multiplexing described in clause 4.9.3.

4.9A.4 Channel coding for S-E‑DPCCH

Channel coding for S-E-DPCCH follows the channel coding for E-DPCCH described in clause 4.9.4.

4.9A.5 Physical channel mapping for S-E‑DPCCH

Physical channel mapping for S-E-DPCCH follows the physical channel mapping for E-DPCCH described in clause 4.9.5.