Hybrid ARQ II Hear it!

Hybrid ARQ II (Hybrid Automatic Repeat reQuest II) Telecom Definition
Also known as incremental redundancy (IR). An enhanced ARQ technique employed in Enhanced General Packet Radio System (EGPRS), the packet-switched mode of Enhanced Data rates for GSM Evolution (EDGE) cellular radio networks. See also ARQ, EDGE, EGPRS, IR, and packet.