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该论文提出了一种用于IEEE 802.22认知无线电的全集成UHF接收机，集成了多分辨率频谱感知（MRSS）功能，旨在提高频谱利用率并保护主用户权利。通过多分辨率频谱感知技术，实现了对空闲频谱段的检测与利用。
Jungki Choi3, Kihong Kim3, Jungsuk Lee3, Kyutae Lim1, Chang-Ho Lee2, Haksun Kim3,4, Joy Laskar1 1 Georgia Institute of Technology, Atlanta, GA Samsung RFIC Design Center, Atlanta, GA 3 Samsung Electro-Mechanics, Suwon, Korea 4 Hanbat National University, Daejeon, Korea 2 Recently, Cognitive Radio (CR) technology has been proposed as a way of increasing spectrum utilization efficiency. A CR system seeks to use the unoccupied spectrum segments by sensing the spectrum before transmitting to preserve the rights of privileged primary users [1]. IEEE 802.22 is the working group on Wireless Regional Area Network (WRAN) for the license-exempt use of the U.S. TV broadcasting band [2]. Such use requires that new transceivers possess CR functionality. A fully-integrated CMOS receiver is presented with a CR spectrum-sensing functionality of arbitrary detection bandwidth over the UHF band. This capability is called
Jongmin Park1, Taejoong Song1, Joonhoi Hur1, Sang Min Lee1,