4.12 Mapping for E-HICH ACK/NACK
25.2123GPPMultiplexing and channel coding (FDD)Release 17TS
4.12.1 Overview
The ACK/NACK is transmitted on the E‑HICH as described in [2].
4.12.2 ACK/NACK mapping
The ACK/NACK command is mapped to the HARQ acknowledgement indicator as described in the table below.
Table 18: Mapping of HARQ Acknowledgement
|
Command |
HARQ acknowledgement indicator |
|
ACK |
+1 |
|
NACK (RLSs not containing the serving E-DCH cell) |
0 |
|
NACK (RLS containing the serving E-DCH cell) |
-1 |
Annex A (informative):
Blind transport format detection