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Journal articles on the topic 'Leakage cancellation'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Ngo, Tan-Binh, Quang-Huy Do, and Sang-Woong Yoon. "Leakage Power Canceling Module with a Negative Capacitor for a Circulator’s Isolation." Journal of Electromagnetic Engineering and Science 23, no. 2 (2023): 49–53. http://dx.doi.org/10.26866/jees.2023.2.r.151.

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In this study, we developed a leakage power canceling module (LPCM) incorporating a negative capacitor (NCAP). The NCAP provided the circulator with a wide bandwidth, rendering it suitable for retrodirective short-range wireless power transfer applications. The proposed LPCM consisted of a directional coupler, a hybrid coupler, and a low-pass filter network with an NCAP that exhibited the frequency response required to realize leakage power cancellation from the transmitter output to the receiver input. The two couplers were fabricated in an FR4 printed circuit board, and the NCAP was implemen

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2

Mai Thanh Thao, Vo Van Phuc, Tran Viet Hung, and Dr Thien Hoang Minh. "The design of wideband leakage canceller for FMCW radars." Journal of Military Science and Technology 103 (May 26, 2025): 22–30. https://doi.org/10.54939/1859-1043.j.mst.103.2025.22-30.

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The Frequency Modulated Continuous Wave (FMCW) radar is widely applied in various fields such as military, transportation, and aviation. However, in an FMCW radar system that uses a single antenna for both transmission and reception, leakage signals from the transmitter can enter the receiver due to the imperfect isolation of the circulator and the impedance mismatch of the antenna. This issue can degrade system performance, distort the reflected signal from the target, and affect the detection capability of small targets in the close range. This paper proposes an effective wideband leakage ca

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3

Han, Xiao Gang, Mei Quan Liu, and Qin Lei Sun. "The Design and Implementation of Adaptive Noise Cancellation for Magnetic Flux Leakage Test Signal." Applied Mechanics and Materials 441 (December 2013): 393–96. http://dx.doi.org/10.4028/www.scientific.net/amm.441.393.

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In the application of magnetic flux leakage (MFL) nondestructive testing, the signal will be disturbed by varying noises. It seriously affects the accuracy of detection judgment result. This paper describes the design of least mean square (LMS) noise cancellation for MFL signal and the implementation based on ARM platform. Two giant magnetoresistive sensors are used to measure the signal, one sensor for MFL signal (with noise) and the other one for the noise signal. They are inputted to the noise cancellation to obtain pure MFL signals. Experimental results show that the LMS noise cancellation

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4

Mo, Yanbin, and Lvqing Bi. "TR Self-Adaptive Cancellation Based Pipeline Leakage Localization Method Using Piezoceramic Transducers." Sensors 22, no. 2 (2022): 696. http://dx.doi.org/10.3390/s22020696.

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In this paper, we propose a novel time reversal-based localization method for pipeline leakage. In the proposed method, a so-called TR self-adaptive cancellation is developed to improve the leak localization resolution. First of all, the proposed approach time reverses and back-propagates the captured signals. Secondly, the time reversed signals with the various coefficients are superposed. Due to the synchronous temporal and spatial focusing characteristic of time reversal, those time reversed signals will cancel each other out. Finally, the leakage location is distinguished by observing the

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5

Dao, Xinyu, Min Gao, Chaowang Li, and Yi Wang. "Adaptive leakage signal cancellation algorithm in heterodyne FMCW system." Digital Signal Processing 108 (January 2021): 102882. http://dx.doi.org/10.1016/j.dsp.2020.102882.

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6

Fenske, Patrick, Andre Scheder, Tobias Koegel, Konstantin Root, Martin Vossiek, and Christian Carlowitz. "Self-Interference Leakage Estimation ‘N’ Cancellation Element: Design of an Active Self-Interference Cancellation Coupler." IEEE Microwave Magazine 24, no. 6 (2023): 68–75. http://dx.doi.org/10.1109/mmm.2023.3256380.

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7

Yoo, Bo-Yoon, Jae-Hyun Park, and Jong-Ryul Yang. "Quasi-Circulator Using an Asymmetric Coupler for Tx Leakage Cancellation." Electronics 7, no. 9 (2018): 173. http://dx.doi.org/10.3390/electronics7090173.

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A quasi-circulator is proposed by using an asymmetric coupler with high isolation between the transmitting (Tx) and receiving (Rx) ports. The proposed quasi-circulator consists of quarter-wave transmission lines, which have unbalanced characteristic impedances and the terminated port, which is purposely unmatched with the reference impedance in the coupler. The port compensates for the asymmetric impedances of the coupler using the proposed design parameter. Because of its asymmetric structure and the usage of the unmatched port, the proposed circulator can be accurately designed to have high

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8

Zhou, Junwei, Qing Shen, and Wei Cui. "A Novel Carrier Leakage Cancellation Algorithm for Multiple Target Detection." Chinese Journal of Electronics 28, no. 1 (2019): 100–106. http://dx.doi.org/10.1049/cje.2018.10.004.

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9

Zeng, Guo Qi, Feng Zhang, and Zhi Mian Wei. "A Study of Processing of the Leakage Signal for Single Antenna LFMCW Radar Altimeter." Applied Mechanics and Materials 128-129 (October 2011): 794–98. http://dx.doi.org/10.4028/www.scientific.net/amm.128-129.794.

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To fulfill the practical demands of airborne equipment’s miniaturization and integration, topic around single antenna radar altimeter become one hot topic. But the problem of leakage signal greatly limits its applied scope. To solve this problem, first，carry out qualitative analysis on the leakage single of the single antenna altimeter; secondly, apply the Reflected Power Canceller (RPC) to the receiver of the single antenna altimeter system, and then propose the optimal design; afterwards, implement the theoretical analysis of leakage signal and the echo signal of the altimeter; finally, simu

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10

Yokosawa, M., H. Kojima, F. Sato, et al. "Study on the characteristics of power transmission side of leaky magnetic field canceling coil for non-contact power transfer while in operation." AIP Advances 13, no. 2 (2023): 025231. http://dx.doi.org/10.1063/9.0000555.

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Recently, automated guided vehicles (AGVs) have been deployed in factories to improve work efficiency and reduce labor shortages. However, current power supply systems, such as AGV shift systems and battery replacement systems, cannot fully utilize the advantages of these systems because of the time they are inactive. Therefore, to improve work efficiency, we have adopted an in-transit non-contact power supply system that can supply power while the work is in progress and while the machine is moving. There are several non-contact power supply methods; however, the most widely used electromagne

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11

Hao, Xueyuan, and Xiaohong Yan. "Two Improved Cancellation Techniques for Direct-Conversion Receivers." Journal of Electrical and Computer Engineering 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/4253125.

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To solve the problems of carrier leakage and DC offset in direct-conversion receiver (DCR) system, the paper proposed two kinds of improved technology to overcome the problems in DCR system. One is the RF carrier cancellation technology; the traditional cancellation technology based on lumped parameter filter can be easily influenced by distribution parameters, the improved circuits use a 3 db bridge to realize a 180-degree phase shifter, and the method can adapt to a wider range of RF frequency. Another is DC offset cancellation technique; a novel DC servo loop circuit is proposed to replace

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12

Kobuchi, Daisuke, Yoshiaki Narusue, and Hiroyuki Morikawa. "Cancellation Conditions of Magnetic Field Leakage From Inductive Power Transfer Systems." IEEE Transactions on Vehicular Technology 70, no. 5 (2021): 4291–302. http://dx.doi.org/10.1109/tvt.2021.3072352.

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13

Lin, Kaihui, Yuanxun Ethan Wang, Cheng-Keng Pao, and Yi-Chi Shih. "A $Ka$-Band FMCW Radar Front-End With Adaptive Leakage Cancellation." IEEE Transactions on Microwave Theory and Techniques 54, no. 12 (2006): 4041–48. http://dx.doi.org/10.1109/tmtt.2006.885882.

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14

Brovont, Aaron D., Andrew N. Lemmon, Christopher New, Blake W. Nelson, and Brian T. DeBoi. "Analysis and Cancellation of Leakage Current Through Power Module Baseplate Capacitance." IEEE Transactions on Power Electronics 35, no. 5 (2020): 4678–88. http://dx.doi.org/10.1109/tpel.2019.2944410.

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15

Shokrekhodaei, Maryamsadat, Aminghasem Safarian, and Mojtaba Atarodi. "Transmitter leakage cancellation technique for CMOS SAW-less radio front-ends." Analog Integrated Circuits and Signal Processing 93, no. 3 (2017): 383–94. http://dx.doi.org/10.1007/s10470-017-1054-8.

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16

Kang, Seon-Gu, and Chang-Wan Kim. "A 60GHz 12Gbps PAM-4 RF Modulator with LO leakage Cancellation." Journal of the Korea Institute of Information and Communication Engineering 27, no. 2 (2023): 251–58. http://dx.doi.org/10.6109/jkiice.2023.27.2.251.

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17

Ma, Zhong Hu, and Jian Hong Yang. "A High Isolation Rate Race Circuit Compose the Carrier Leakage Canceler for RFID." Applied Mechanics and Materials 236-237 (November 2012): 994–98. http://dx.doi.org/10.4028/www.scientific.net/amm.236-237.994.

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In order to suppress Tx-to-Rx carrier leakage in Radio Frequency Identification (RFID) system, this paper proposes the method of carrier leakage canceler of rate race circuit. It uses the two outputs of rate race circuit as antenna port and reflection port, and the imperfect isolation (Tx-to-Rx) and the reflection of antenna mismatch are suppressed in the receiver by adjusting the reflection coefficient of reflection port. Simulation shows that using rate race carrier’s cancellation circuit can perfectly suppress the carrier leakage in receiving circuit, the carrier’s suppression ration reache

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18

Ha, Byeong Wan, and Choon Sik Cho. "High-Isolation SPDT RF Switch Using Inductive Switching and Leakage Signal Cancellation." Journal of electromagnetic engineering and science 14, no. 4 (2014): 411–14. http://dx.doi.org/10.5515/jkiees.2014.14.4.411.

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19

Biedka, Mathew, Yuanxun Ethan Wang, Qiang Mark Xu, and Yuexing Li. "Full-Duplex RF Front Ends : From Antennas and Circulators to Leakage Cancellation." IEEE Microwave Magazine 20, no. 2 (2019): 44–55. http://dx.doi.org/10.1109/mmm.2018.2880496.

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20

Ayati, Seyyed Amir, Debashis Mandal, Bertan Bakkaloglu, and Sayfe Kiaei. "Integrated Quasi-Circulator With RF Leakage Cancellation for Full-Duplex Wireless Transceivers." IEEE Transactions on Microwave Theory and Techniques 66, no. 3 (2018): 1421–30. http://dx.doi.org/10.1109/tmtt.2017.2773485.

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21

Li, Peng, Lianshan Yan, Jia Ye, et al. "Photonic-Assisted Leakage Cancellation for Wideband Frequency Modulation Continuous-Wave Radar Transceiver." Journal of Lightwave Technology 38, no. 6 (2020): 1178–83. http://dx.doi.org/10.1109/jlt.2019.2954402.

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22

Chang, Shuen-Chien, Sheng-Fuh Chang, Ting-Yueh Chih, and Jian-An Tao. "An Internally-Matched High-Isolation CMOS SPDT Switch Using Leakage Cancellation Technique." IEEE Microwave and Wireless Components Letters 17, no. 7 (2007): 525–27. http://dx.doi.org/10.1109/lmwc.2007.899317.

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23

Xiao, Ke, Michel Kadoch, Humphrey Rutagemwa, and Chen Li. "Opportunistic NOMA-Based Massive MIMO Precoding for 5G New Radio." Wireless Communications and Mobile Computing 2018 (June 20, 2018): 1–10. http://dx.doi.org/10.1155/2018/2328954.

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This work investigates multicast services, which play a critical role in 5G new radio (NR). In particular, we propose a hybrid unicast/multicast MIMO precoding based on NOMA. Our scheme first categorizes unicast users into NOMA and non-NOMA types and then utilizes null space and successive interference cancellation to eliminate the signal leakage. To justify the effectiveness and efficiency of our design, we also present simulation results in typical massive MIMO scenarios.

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24

Kim, Hyoung Soo, Sungho Beck, Kwanyeob Chae, Kyutae Lim, Joy Laskar, and Manos M. Tentzeris. "A Frequency Selective Feedback Receiver for Multi‐Bands Operation." Microwave and Optical Technology Letters 60, no. 10 (2018): 2584–94. http://dx.doi.org/10.1002/mop.31401.

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AbstractFor a frequency‐division duplex (FDD) wide‐band code‐division multiple‐access (WCDMA) system, transmit (TX) signal leakage at the receiver input degrades the receiver performance. To cancel this TX leakage, a frequency selective feedback was previously proposed, but it had an unpredictable feedback loop characteristic due to the uncertainty of the duplexer impedance. This paper presents a new method to achieve TX leakage cancellation regardless of the duplexer impedance. In addition, a local oscillator (LO) phase shift technique is proposed to apply this method for multi‐band. A receiv

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25

Kobuchi, Daisuke, Kentaro Matsuura, Yoshiaki Narusue, and Hiroyuki Morikawa. "Magnetic Field Leakage Cancellation in Multiple-Input Multiple-Output Wireless Power Transfer Systems." IEEE Magnetics Letters 13 (2022): 1–4. http://dx.doi.org/10.1109/lmag.2022.3151065.

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26

Choi, Gwang Hui, and Taehui Na. "Analysis of State-of-the-Art Spin-Transfer-Torque Nonvolatile Flip-Flops Considering Restore Yield in the Near/Sub-Threshold Voltage Region." Electronics 9, no. 12 (2020): 2118. http://dx.doi.org/10.3390/electronics9122118.

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Recently, the leakage power consumption of Internet of Things (IoT) devices has become a main issue to be tackled, due to the fact that the scaling of process technology increases the leakage current in the IoT devices having limited battery capacity, resulting in the reduction of battery lifetime. The most effective method to extend the battery lifetime is to shut-off the device during standby mode. For this reason, spin-transfer-torque magnetic-tunnel-junction (STT-MTJ) based nonvolatile flip-flop (NVFF) is being considered as a strong candidate to store the computing data. Since there is a

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27

Fadhil, Mohammed, Nor Fadzilah Abdullah, Mahamod Ismail, Rosdiadee Nordin, Cebrail Ciftlikli, and Musaab Al-Obaidi. "Maximizing signal to leakage ratios in MIMO BCH cooperative beamforming scheme." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 5 (2019): 3701. http://dx.doi.org/10.11591/ijece.v9i5.pp3701-3713.

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Beamforming (BF) technique in cooperative multiple input multiple output (MIMO) antenna arrays improves signal to noise ratio (SNR) of the intended user. The challenge is to design transmit beamforming vectors for every user while limiting the co-channel interference (CCI) from other users. In this paper, we proposed cooperative beamforming based on Signal-to-Leakage Ratio (SLR) to exploit the leakage power as a useful power in the second time slot after user cooperation, for this purpose successive interference cancellation (SIC) is employed in each user to separate the leakage signal from th

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28

Mohammed, Fadhil, Fadzilah Abdullah Nor, Ismail Mahamod, Nordin Rosdiadee, Ciftlikli Cebrail, and Al-Obaidi Musaab. "Maximizing signal to leakage ratios in MIMO BCH cooperative beamforming scheme." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 5 (2019): 3701–13. https://doi.org/10.11591/ijece.v9i5.pp3701-3713.

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Beamforming (BF) technique in cooperative multiple input multiple output (MIMO) antenna arrays improves signal to noise ratio (SNR) of the intended user. The challenge is to design transmit beamforming vectors for every user while limiting the co-channel interference (CCI) from other users. In this paper, we proposed cooperative beamforming based on Signal-to-Leakage Ratio (SLR) to exploit the leakage power as a useful power in the second time slot after user cooperation, for this purpose successive interference cancellation (SIC) is employed in each user to separate the leakage signal from th

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29

Godinho, António, Zhaochu Yang, Tao Dong, et al. "A Dynamic Threshold Cancellation Technique for a High-Power Conversion Efficiency CMOS Rectifier." Sensors 21, no. 20 (2021): 6883. http://dx.doi.org/10.3390/s21206883.

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Power conversion efficiency (PCE) has been one of the key concerns for power management circuits (PMC) due to the low output power of the vibrational energy harvesters. This work reports a dynamic threshold cancellation technique for a high-power conversion efficiency CMOS rectifier. The proposed rectifier consists of two stages, one passive stage with a negative voltage converter, and another stage with an active diode controlled by a threshold cancellation circuit. The former stage conducts the signal full-wave rectification with a voltage drop of 1 mV, whereas the latter reduces the reverse

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30

Kim, Subin, Kyung-Sik Choi, Keun-Mok Kim, Jinho Ko, Jusung Kim, and Sang-Gug Lee. "A Low-Noise and Fast-Settling UHF RFID Receiver With Digitally Controlled Leakage Cancellation." IEEE Transactions on Circuits and Systems II: Express Briefs 68, no. 8 (2021): 2810–14. http://dx.doi.org/10.1109/tcsii.2021.3066644.

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31

Chen, Juo-Chen, and Yen-Chung Chiang. "A 60 GHz CMOS Transmit/Receive Switch Using Leakage Cancellation and Body Bias Technique." Journal of Infrared, Millimeter, and Terahertz Waves 43, no. 1-2 (2022): 94–107. http://dx.doi.org/10.1007/s10762-021-00835-1.

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32

SONG, Bongsub, Dohyung KIM, Kwangsoo KIM, and Jinwook BURM. "A Sub-Harmonic RF Transmitter Architecture with Simultaneous Power Combination and LO Leakage Cancellation." IEICE Transactions on Electronics E94-C, no. 5 (2011): 858–61. http://dx.doi.org/10.1587/transele.e94.c.858.

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33

Montanari, Daniele, Gerardo Castellano, Ehsan Kargaran, et al. "An FDD Wireless Diversity Receiver With Transmitter Leakage Cancellation in Transmit and Receive Bands." IEEE Journal of Solid-State Circuits 53, no. 7 (2018): 1945–59. http://dx.doi.org/10.1109/jssc.2018.2821139.

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34

Yang, J. R., D. W. Kim, and S. Hong. "Quasi-circulator for effective cancellation of transmitter leakage signals in monostatic six-port radar." Electronics Letters 45, no. 21 (2009): 1093. http://dx.doi.org/10.1049/el.2009.9062.

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35

Zhang, Cemin, Adel Elsherbini, Aly E. Fathy, and Mohamed Mahfouz. "Investigation of pulse dispersion in a carrier-based UWB system with LO leakage cancellation." International Journal of RF and Microwave Computer-Aided Engineering 19, no. 6 (2009): 669–75. http://dx.doi.org/10.1002/mmce.20390.

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36

Mushtaq, Ahmad, Thomas Mausolf, Wolfgang Miesch, Nasir Uddin, Wolfgang Winkler, and Dietmar Kissinger. "TX to RX Compact Leakage Cancellation Impedance Tuner for 60 GHz Monostatic Doppler Radar." IEEE Journal of Microwaves 5, no. 1 (2025): 84–95. https://doi.org/10.1109/jmw.2024.3516476.

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37

Noh, Eui-Ho, Jong-Hyuk Lee, Nam-Yoon Kim, and Chang-Woo Kim. "A Cancellation Technique of TX Leakage Signal for Emhanced Readability in UHF-band RFID Readers." Journal of Korea Information and Communications Society 36, no. 5A (2011): 543–50. http://dx.doi.org/10.7840/kics.2011.36a.5.543.

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38

Al-Kindi, M. J., and J. Dunlop. "Improved adaptive noise cancellation in the presence of signal leakage on the noise reference channel." Signal Processing 17, no. 3 (1989): 241–50. http://dx.doi.org/10.1016/0165-1684(89)90005-4.

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39

Li, Jiazhe, Siyi Li, Heng Dong, and Zhuoming Li. "Intrinsic Interference Cancellation Scheme for FBMC-OQAM Systems Based on Power Multiplexing." Electronics 11, no. 9 (2022): 1443. http://dx.doi.org/10.3390/electronics11091443.

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As a competitive candidate of orthogonal frequency-division multiplexing (OFDM), filter-bank multicarrier (FBMC) has significant advantages in low spectrum leakage, relaxed synchronization requirements and high spectral efficiency. However, the loss of orthogonality leads to intrinsic interference in FBMC, whereas most methods eliminate it by sacrificing data symbols, resulting in a non-negligible decrease in spectral efficiency. In this context, we propose a new method that eliminates intrinsic interference completely without sacrificing any data symbols thanks to the power multiplexing in th

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40

M., Remadevi, N. Sureshkumar, R. Rajesh, and T. Santhanakrishnan. "Cancellation of Towing Ship Interference in Passive SONAR in a Shallow Ocean Environment." Defence Science Journal 72, no. 1 (2022): 122–32. http://dx.doi.org/10.14429/dsj.72.17370.

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Towed array sonars are preferred for detecting stealthy underwater targets that emit faint acoustic signals in the ocean, especially in shallow waters. However, the towing ship being near to the array behaves as a loud target, introducing additional interfering signals to the array, severely affecting the detection and classification of potential targets. Canceling this underlying interference signal is a challenging task and is investigated in this paper for a shallow ocean operational scenario where the problem is more critical due to the multipath phenomenon. A method exploiting the eigenve

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41

Li, Yan, Muguang Wang, Jian Sun, and Hongqian Mu. "Photonic-Assisted Wideband Frequency Down-Converter With Leakage Cancellation and Image Rejection for FMCW Radar Receiver." IEEE Journal of Quantum Electronics 58, no. 1 (2022): 1–7. http://dx.doi.org/10.1109/jqe.2021.3131708.

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42

Khan, Sadeque Reza, and GoangSeog Choi. "High-efficiency CMOS rectifier with minimized leakage and threshold cancellation features for low power bio-implants." Microelectronics Journal 66 (August 2017): 67–75. http://dx.doi.org/10.1016/j.mejo.2017.06.002.

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43

Zhang, Xinwang, Zhihuan Wang, and Baoyong Chi. "High isolation wideband CMOS T/R switch with leakage cancellation technique for software-defined radio transceiver." Analog Integrated Circuits and Signal Processing 87, no. 1 (2016): 93–99. http://dx.doi.org/10.1007/s10470-016-0723-3.

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44

Gerzaguet, Robin, Laurent Ros, Fabrice Belvèze, and Jean-Marc Brossier. "Performance of a digital transmitter leakage LMS-based cancellation algorithm for multi-standard radio-frequency transceivers." Digital Signal Processing 51 (April 2016): 35–46. http://dx.doi.org/10.1016/j.dsp.2016.01.009.

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45

HEGDE, VEENA N., RAVISHANKAR DEEKSHIT, and P. S. SATYANARAYANA. "DCT-BASED VARIABLE STEP SIZE GRIFFITHS' LMS ALGORITHM FOR RANDOM NOISE CANCELLATION IN ECGs." Journal of Mechanics in Medicine and Biology 12, no. 05 (2012): 1250025. http://dx.doi.org/10.1142/s021951941250025x.

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This paper presents a new random noise cancellation technique for cancelling muscle artifact effects from ECG using ALE in the transformed domain. For this a transform domain variable step size griffith least mean square (TVGLMS) algorithm is proposed. The technique is based on the adaptation of the gradient of the error surface. The method frees both the step size and the gradient from observation noise and reduces the gradient mis-adjustment error. The sluggishness introduced due to the averaging of the gradient in the time domain is overcome by the transformed domain approach. The proposed

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46

Bhai, G. Vijaya, and K. Swetha. "RTC BASED IMPLEMENTATION OF RFID AND OTP BASED EXAM PAPER LEAKAGE PROTECTION SYSTEM." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 10, no. 3 (2019): 1629–33. http://dx.doi.org/10.61841/turcomat.v10i3.14580.

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In this article, the test is the main focus of the educational system. The test's main objective is to find suitable candidates for different positions. There are yearly reports of papers being leaked, leading to the cancellation or postponement of exams. To provide a compact and portable solution, we consequently made the decision to design and install an incredibly safe test paper leakage protection system based on Arduino. In addition, a GSM modem, RFID module, keypad, and electromagnetic lock are used in this system. The university first sends the exam paper to the college in an electronic

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47

Qi, Fei, Xuetian Zhu, Xinran Zhang, and Songlin Sun. "Hybrid Multicast Transmission for Public Safety Network in 5G." Mobile Information Systems 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/4306356.

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We investigate the application of wireless multicast technology in public safety network (PSN) in future wireless communication system. The hybrid unicast/multicast transmission system is proposed and analyzed in 3D massive multi-input multioutput (MIMO) channel. The mutual coupling channel model is adopted under the different antenna array configuration scenarios. The proposed hybrid system adopts multicast beamforming in the multicast groups as well as multiuser-MIMO (MU-MIMO) linear precoding in the unicast group to increase system throughput. The null space method based interference cancel

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48

Zhou, Jin, Anandaroop Chakrabarti, Peter R. Kinget, and Harish Krishnaswamy. "Low-Noise Active Cancellation of Transmitter Leakage and Transmitter Noise in Broadband Wireless Receivers for FDD/Co-Existence." IEEE Journal of Solid-State Circuits 49, no. 12 (2014): 3046–62. http://dx.doi.org/10.1109/jssc.2014.2359914.

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49

Ferrari, Cesare Lupo, Jordan Cheer, and Mario Mautone. "Investigation of an engine order noise cancellation system in a super sports car." Acta Acustica 7 (2023): 1. http://dx.doi.org/10.1051/aacus/2022060.

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Today’s cars must meet ever-higher acoustic standards, and so, to avoid compromising vehicle dynamics, handling performance and fuel consumption, standard passive methods alone do not provide sufficient performance. Active control solutions can provide a potential solution to this challenge, particularly at low frequency and such systems have been investigated for application to small cars, SUVs and luxury vehicles. These vehicles are generally characterised by fairly slow dynamics and limited noise emission and, therefore, this paper explores the challenging application of active noise contro

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Lee, Suyeon, Yangji Jeon, Geonwoo Park, et al. "A 24-GHz RF Transmitter in 65-nm CMOS for In-Cabin Radar Applications." Electronics 9, no. 12 (2020): 2005. http://dx.doi.org/10.3390/electronics9122005.

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Abstract:

A 24-GHz direct-conversion transmitter is proposed for in-cabin radar applications. The proposed RF transmitter consists of an I/Q up-conversion mixer, an I/Q local (LO) oscillator generator, and a power amplifier. To improve the linearity of the I/Q up-conversion mixer, an inverter transconductor with third-order intermodulation (IM3) distortion cancellation is proposed. To improve the I/Q balancing performance of the I/Q LO generator, a poly-phase filter, including parasitic line inductance, is proposed. By employing a highly linear I/Q up-conversion mixer and a balanced I/Q LO generator, th

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