The paper make a research of key technology of EDGE network: MCS[1], link adaptation, Incremental Redundancy Auto Repeat request[2] and NC2[2]cell reselection etc.

• 本文研究了EDGE网络的关键技术：新的调制编码方案(MCS[1])、链路适配、II类自动重传机制(IR[2])和NC2[2]小区重选等。