A HIGH SENSITIVITY AND WIDE DYNAMIC RANGE ZERO-IF RF RECEIVER FOR COGNITIVE RADIO APPLICATION-中国期刊网

摘要 ThispaperpresentsanRFreceiverofzero-IntermediateFrequency(IF)architectureforCognitiveRadio(CR)communicationsystems.Zero-IFarchitecturereducetheimagerejectfilterandIFfilter,soitisexcellentinlowcost,compactvolume,andlowpowerdissipation.Thereceiveremploysthreedigitalattenuatorandahighgain,highlinearitylownoiseamplifiertoachievewidedynamicrangeof70dBandhighreceivingsensitivityof-81dBm.AfullybalancedI/QdemodulatorandadifferentialLocalOscillator(LO)chipsareusedtominimizethenegativeeffectscausedbysecond-orderdistortionandLOleakage.Inordertoselectan8MHz-channelfrom14continuousoneslocatedinUHFband(694-806MHz)accurately,approachofchannelselectivitycircuitsisproposed.TheRFreceiverhasbeendesigned,fabricated,andtest.Themeasuredresultshowsthatthenoisefigureis3.4dB,andtheerrorvectormagnitudeis7.5%whentheinputpoweris-81dBm.

1Mahassin Mohamed;Sharifah Kamilah Syed Yusof;NikNoordini NikAbdMalik;Suleiman Zubair. Transmission Range-Aware Clustering for Green Cognitive Radio Ad Hoc Networks.物理电子学,2016-02.
2FANGJie WANGJing-guang HONGZhi-liang. 320×240 Pixels CMOS Digital Image Sensor with Wide Dynamic Range.物理电子学,2004-02.
3FU Xian-song;YAO Su-ying;YUAN Yi-dong;XU Jiang-tao;DING Ke;YAN Kun-shan. Novel Logarithmic Active Pixel Sensor with High Dynamic Range and High Output Swing.物理电子学,2008-03.
4王定理;周宁;张瑞康;黄晓东;李林松;张军;江山;石兢. High speed and wide temperature range uncooled 1.3-μm ridge waveguide DFB lasers.光学工程,2009-09.
5Oscar Filio Rodriguez;Valeri Kontorovich;Serguei Primak. Characteristics of Sequential Detection in Cognitive Radio Networks.计算机应用技术,2012-05.
6Tang Wanbin Peng Dong. SPECTRUM HANDOFF IN COGNITIVE RADIO WITH FUZZY LOGIC CONTROL.物理电子学,2010-05.
7YU Yin-hui;SUN Chen;QIN Nan-nan;GAO Ke;CHEN Deng-zhao. CR–RSS location algorithm for primary user in cognitive radio.通信与信息系统,2014-01.
8Lu Yanhui Zhang Yuqiong Yang Shouyi Mu Xiaomin. MODELING RADIO RESOURCE MANAGEMENT IN COGNITIVE RADIO SYSTEM BASED ON OFDMA USING COLORED PETRI NET.物理电子学,2010-05.
9赵彦超;吴杰;李文中;陆桑璐. Throughput Optimization in Cognitive Radio Networks Ensembling Physical Layer Measurement.计算机科学与技术,2015-06.
10Ning Han Sung Hwan Sohn Jae Moung Kim. Cyclic autocorrelation based blind OFDM detection and identification for cognitive radio.计算机应用技术,2009-05.

A HIGH SENSITIVITY AND WIDE DYNAMIC RANGE ZERO-IF RF RECEIVER FOR COGNITIVE RADIO APPLICATION

来源期刊

相关推荐

同分类资源更多

相关关键词

A HIGH SENSITIVITY AND WIDE DYNAMIC RANGE ZERO-IF RF RECEIVER FOR COGNITIVE RADIO APPLICATION

来源期刊

相关推荐

同分类资源 更多

相关关键词

同分类资源更多