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IEEE Microwave and Wireless Technology Letters Information for Authors 电气和电子工程师学会《微波与无线技术通讯》作者须知
IEEE microwave and wireless technology letters Pub Date : 2024-09-05 DOI: 10.1109/LMWT.2024.3444435
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引用次数: 0
IEEE Open Access Publishing IEEE 开放存取出版
IEEE microwave and wireless technology letters Pub Date : 2024-09-05 DOI: 10.1109/LMWT.2024.3444441
{"title":"IEEE Open Access Publishing","authors":"","doi":"10.1109/LMWT.2024.3444441","DOIUrl":"https://doi.org/10.1109/LMWT.2024.3444441","url":null,"abstract":"","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10666883","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142143760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEE Microwave and Wireless Technology Letters publication 电气和电子工程师学会《微波与无线技术通讯》出版物
IEEE microwave and wireless technology letters Pub Date : 2024-09-05 DOI: 10.1109/LMWT.2024.3444433
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引用次数: 0
TechRxiv: Share Your Preprint Research with the World TechRxiv：与世界分享您的预印本研究成果
IEEE microwave and wireless technology letters Pub Date : 2024-09-05 DOI: 10.1109/LMWT.2024.3444443
{"title":"TechRxiv: Share Your Preprint Research with the World","authors":"","doi":"10.1109/LMWT.2024.3444443","DOIUrl":"https://doi.org/10.1109/LMWT.2024.3444443","url":null,"abstract":"","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10666808","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142143753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wideband Input Impedance-Invariant Active Phase Shifter Using Miller Capacitor Cancellation for 5G Communication 利用米勒电容消除的宽带输入阻抗不变有源移相器用于 5G 通信
IEEE microwave and wireless technology letters Pub Date : 2024-08-19 DOI: 10.1109/LMWT.2024.3411602
Yongjun Kwon;Songcheol Hong
{"title":"Wideband Input Impedance-Invariant Active Phase Shifter Using Miller Capacitor Cancellation for 5G Communication","authors":"Yongjun Kwon;Songcheol Hong","doi":"10.1109/LMWT.2024.3411602","DOIUrl":"https://doi.org/10.1109/LMWT.2024.3411602","url":null,"abstract":"A wideband input impedance-invariant active phase shifter for millimeter-wave 5G communication is proposed and implemented in a 28-nm CMOS process. It consists of an IQ generator, a Gilbert cell-based vector summer, and a digital-to-analog converter (DAC). Input impedance variations of the vector summer according to the states of the phase shifter, which give rise to IQ mismatches, are substantially suppressed in a wide bandwidth. This is effectively achieved by introducing cross-coupled neutralization capacitors to cancel out the Miller capacitors (\u0000<inline-formula> <tex-math>$C_{text {gd}}$ </tex-math></inline-formula>\u0000) of the input transistors of the vector summing circuit. The implemented phase shifter shows a maximum gain of 0.613 dB at 24.9 GHz and 3-dB bandwidths of 21.7–28.6 GHz (27.4%). The root mean square (rms) phase and gain errors are measured to be less than 1.5° and 0.25 dB, respectively, for 6-bit 360° phase and 4-bit 10-dB gain controls. The core area and power consumption are \u0000<inline-formula> <tex-math>$0.47~text {mm}^{2}$ </tex-math></inline-formula>\u0000 and 14.4 mW, respectively.","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142143689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A 1.5–2.56-GHz TDC-Assisted Fast-Locking Wideband Fractional-N CPPLL With Phase Noise of −138 dBc/Hz at 1-MHz Offset Frequency 1.5-2.56 GHz TDC 辅助快速锁定宽带分数 N CPPLL，1 MHz 偏移频率时相位噪声为 -138 dBc/Hz
IEEE microwave and wireless technology letters Pub Date : 2024-08-14 DOI: 10.1109/LMWT.2024.3427384
Ruiyong Xiang;Yixing Lu;Xiao Luo;Sifan Wang;Bodong Zhang;Shengpeng Shu;Haigang Feng
{"title":"A 1.5–2.56-GHz TDC-Assisted Fast-Locking Wideband Fractional-N CPPLL With Phase Noise of −138 dBc/Hz at 1-MHz Offset Frequency","authors":"Ruiyong Xiang;Yixing Lu;Xiao Luo;Sifan Wang;Bodong Zhang;Shengpeng Shu;Haigang Feng","doi":"10.1109/LMWT.2024.3427384","DOIUrl":"https://doi.org/10.1109/LMWT.2024.3427384","url":null,"abstract":"This letter presents a low phase noise wideband fractional-N fast-locking charge pump phase-locked loop (CPPLL) with a time-to-digital converter (TDC) calibrated by a frequency-locked loop (FLL). The proposed TDC loop is activated to adjust the PLL’s loop bandwidth (LBW) and accelerate the locking process. After the PLL locks, the TDC loop is automatically turned off, which does not require additional power and not affect the phase noise. Fabricated in the 65-nm CMOS process with an active area of 1.25 mm2, the proposed PLL achieves a phase noise of −138.55 dBc/Hz at 1-MHz offset from a 1.85-GHz carrier. It draws 54.2-mW power with a 50-MHz reference frequency from a 3.3-V power supply, leading to a −237.7-dB FoMr.","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142143732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Novel Digital Predistortion Coefficients Prediction Technique for Dynamic PA Nonlinearities Using Artificial Neural Networks 利用人工神经网络预测动态功率放大器非线性的新型数字预失真系数技术
IEEE microwave and wireless technology letters Pub Date : 2024-08-12 DOI: 10.1109/LMWT.2024.3433484
Yufeng Zhang;Qingyue Chen;Kun Gao;Xin Liu;Wenhua Chen;Haigang Feng;Zhenghe Feng;Fadhel M. Ghannouchi
{"title":"A Novel Digital Predistortion Coefficients Prediction Technique for Dynamic PA Nonlinearities Using Artificial Neural Networks","authors":"Yufeng Zhang;Qingyue Chen;Kun Gao;Xin Liu;Wenhua Chen;Haigang Feng;Zhenghe Feng;Fadhel M. Ghannouchi","doi":"10.1109/LMWT.2024.3433484","DOIUrl":"https://doi.org/10.1109/LMWT.2024.3433484","url":null,"abstract":"This article presents a novel artificial neural network (ANN)-based digital predistortion (DPD) coefficients prediction (ANN-DPDCP) technique for dynamic nonlinearities induced by varying input power levels of power amplifiers (PAs). Conventional DPD techniques face challenges in mitigating dynamic nonlinearities efficiently. By modeling and predicting variations of conventional Volterra-based DPD coefficients using ANNs, the ANN-DPDCP technique rapidly provides appropriate DPD coefficients based on the target input power level. Benefiting from its concise training dataset and fitting capability, the ANN-DPDCP technique requires limited storage resources and derives DPD coefficients at arbitrary input power levels with negligible delay and comparable linearization performance. Experiments on a Ka-band PA driven by 100- and 400-MHz signals with a 12-dBm input power range illustrate storage resource reductions of 99.54% for 400 MHz and 99.81% for 100 MHz.","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142143722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEE Microwave and Wireless Technology Letters Information for Authors 电气和电子工程师学会《微波与无线技术通讯》作者须知
IEEE microwave and wireless technology letters Pub Date : 2024-08-08 DOI: 10.1109/LMWT.2024.3426192
{"title":"IEEE Microwave and Wireless Technology Letters Information for Authors","authors":"","doi":"10.1109/LMWT.2024.3426192","DOIUrl":"https://doi.org/10.1109/LMWT.2024.3426192","url":null,"abstract":"","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10631758","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141966299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEE Microwave and Wireless Technology Letters publication 电气和电子工程师学会《微波与无线技术通讯》出版物
IEEE microwave and wireless technology letters Pub Date : 2024-08-08 DOI: 10.1109/LMWT.2024.3426194
{"title":"IEEE Microwave and Wireless Technology Letters publication","authors":"","doi":"10.1109/LMWT.2024.3426194","DOIUrl":"https://doi.org/10.1109/LMWT.2024.3426194","url":null,"abstract":"","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10631724","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141965201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultra-Wideband Millimeter-Wave Tight and Loose Microstrip Aperture Couplers 超宽带毫米波紧松微带孔径耦合器
IEEE microwave and wireless technology letters Pub Date : 2024-08-05 DOI: 10.1109/LMWT.2024.3435756
Mostafa O. Shady;Mohamed Mamdouh M. Ali;Ahmed A. Kishk
{"title":"Ultra-Wideband Millimeter-Wave Tight and Loose Microstrip Aperture Couplers","authors":"Mostafa O. Shady;Mohamed Mamdouh M. Ali;Ahmed A. Kishk","doi":"10.1109/LMWT.2024.3435756","DOIUrl":"https://doi.org/10.1109/LMWT.2024.3435756","url":null,"abstract":"Compact multiaperture couplers for ultra-wideband millimeter-wave (mmWave) operation are presented, employing an artificial magnetic conductor (AMC) for radiation-free performance. Elliptical coupling apertures are used to enable efficient operation across a 50% bandwidth, while fixed elliptical matching patches are employed for any coupling level to achieve matching levels exceeding −19 dB. Minimal phase and amplitude variation are achieved over 15 dB directivity within coupling ranges from 3 to 20 dB. Validation through fabrication and testing of two packaged lines with different aperture configurations confirms practicality and efficiency.","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142143731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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