TY - JOUR T1 - New Estimators for Primary Channel Gain in Cognitive Radio Networks JO - IEEE Communications Letters PY - 2018/01/01 AU - Chen Y AU - Wu Y AU - Zhang J AU - Chen N ED - DO - DOI: 10.1109/lcomm.2018.2875970 PB - Institute of Electrical and Electronics Engineers (IEEE) VL - 22 IS - 12 SP - 2435 EP - 2438 Y2 - 2025/07/30 ER -