Feedback strategies for iterative channel estimation in OFDM underwater acoustic communications

• 作 者: 朱安福 Li Xue
• 机 构: SchoolofElectricPower,CollegeofUnderwaterAcousticEngineering
• 出 处: 高技术通讯:英文版
• 发表日期: 2018年4期
• 关键词: UNDERWATER acoustic communication orthogonal frequency division multiplexing(OFD
• 基金项目: Supported by the National Natural Science Foundation of China(No.61601136).

The extremely limited bandwidth in underwater acoustic communication makes channel estimation using fewer pilot symbols more challenging.Iterative channel estimation(ICE)can be used to refine channel estimation with limited number of pilots,by coupling th