Glossary

E-HICH – DCH HARQ Acknowledgement Indicator Channel
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

E-HICH – DCH HARQ Acknowledgement Indicator Channel

The E-HICH is a downlink channel. As its name suggests, it carries an uplink E-DCH HARQ -ACK (Hybrid-ARQ Acknowledgement) indicator, which is transmitted using 3 or 12 consecutive slots. The 3 and 12 slot duration is used for UE which E-DCH TTI is set to respectively 2 ms and 10 ms. This channel uses the concept of signatures, in a similar way to the AICH (Acquisition Indicator Channel).


< Back to glossary

Need more information? Want to know more about what we do?
Contact Us or Call +44 (0) 1524 844669

Working together with