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检索条件"机构=2State Grid Key Laboratory of Power Industrial Chip Design and Analysis Technology"

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Study on high thermal conductivity insulation materials for wide temperature range applications 7

Study on high thermal conductivity insulation materials for ...

引用

2022 7th International Seminar on Advances in Materials Science and Engineering, ISAMSE 2022

作者： Huang, Haichao Zhao, Dongyan Chen, Yanning Fu, Zhen Wang, Shuaipeng Liu, Fang State Grid Key Laboratory of Power Industrial Chip Design and Analysis Technology Beijing Smart-Chip Microelectronics Technology Co. Ltd. Beijing102299 China Beijing Engineering Research Center of High-reliability IC with Power Industrial Grade Beijing Smart-Chip Microelectronics Technology Co. Ltd. Beijing102299 China

A new design method of highly reliable thermally conductive packaging material is proposed for the heat dissipation problem of high-density packaging of chips. The high reliability is obtained by high temperature condensation of AlN particles suspension of PAA. Focusing on the influence law of the content of AIN on the electronic packaging material, the experimental results show that the thermal conductivity reaches 3.8 W/(m ...K) when the mass percentage of AIN reach more than 60%. The Td in N2 is 524°C. The surface of AIN is modified by the macromolecular coupling agent GBM to increase the compatibility of AIN with the Polymeric materials. The tensile strength of PI/AlN composite is 170 MPa, and the material has good insulation performance when the temperature rises to 200°C under 120 kV/mm electric field, which meets the application requirements of high-density chip packaging. © Published under licence by IOP Publishing Ltd.

关键词： Aluminum nitride

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Research on micro power wireless communication system based on OFDM technology 3

Research on micro power wireless communication system based ...

引用

3rd International Conference on Computer Science and Communication technology, ICCSCT 2022

作者： Long, Yan Chen, Yongli Bai, Zhihua Zhao, Xiaoqing Dong, Ziqi State Grid Key Laboratory of Power Industrial Chip Design and Analysis Technology Beijing Smart-Chip Microelectronics Technology Co. Ltd. Beijing100192 China Beijing Engineering Research Center of High-Reliability IC with Power Industrial Grade Beijing Smart-Chip Microelectronics Technology Co. Ltd. Beijing100192 China State Grid Information & Telecommunication Branch Beijing100192 China

ISBN: (纸本)9781510661240

The mainstream modulation technology of micro power wireless communication chip is (G) FSK ((Gauss) Frequency Shift keying), but this technology has the defects of wide bandwidth occupation, low bandwidth utilization and low sensitivity. To solve this problem, improve the performance and frequency band utilization of micro power wireless communication system, and realize the high reliability and real-time of communication, a micro power wireless communication system based on OFDM (Orthogonal Frequency Division Multiplexing) technology was proposed in this paper, which can effectively improve the reliability, real-time and receiving sensitivity of meter reading. The test results show that this method meets the functional and performance requirements of state grid interconnection. © 2022 SPIE.

关键词： Orthogonal frequency division multiplexing

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design of security detection digital sensor system based on FPGA 16

Design of security detection digital sensor system based on ...

引用

16th IEEE International Conference on Solid-state and Integrated Circuit technology, ICSICT 2022

作者： Li, Dejian Zhao, Xu Zhang, Jiaming Li, Zonglin Hu, Jiajie Yang, Yuanhui Liu, Dongsheng Li, Hai Beijing Smart-Chip Microelectronics Technology Co. Ltd. State Grid Key Laboratory of Power Industrial Chip Design and Analysis Technology China Huazhong University of Science and Technology School of Optical and Electronic Information Wuhan China Co. Ltd. China

ISBN: (数字)9781665469067

ISBN: (纸本)9781665469067

Under complex or strategic environmental conditions, the chip may be exposed to man-made malicious attacks or harsh environment, resulting in internal circuit damage and disastrous consequences. In order to carry out high-level security detection on the chip, sensors need to be used to sense the working conditions such as temperature, voltage and frequency of the chip. This paper designs a security detection digital sensor system based on FPGA. The system is composed of highly optimized digital standard cell library, which can greatly reduce the research and development costs and tape out risk. The digital circuit has an accurate look-up table, so the measurement results are more accurate. By quantifying the amplitude of clock delay on the delay chain, when the working conditions of the circuit are abnormal, the security detection system can accurately detect the fault and give an alarm. © 2022 IEEE.

关键词： Field programmable gate arrays (FPGA)

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Variance analysis based distinguisher for template attack 18

Variance analysis based distinguisher for template attack

引用

18th International Conference on Computational Intelligence and Security, CIS 2022

作者： Cheng, Song Zhang, Hailong Hu, Xiaobo Gao, Shunxian Liu, Huizhi Beijing Smart-Chip Microelectronics Technology Co. Ltd. State Grid Key Laboratory of Power Industrial Chip Design and Analysis Technology Beijing China Beijing Smart-Chip Microelectronics Technology Co. Ltd. Beijing Engineering Research Center of High-Reliability IC with Power Industrial Grade Beijing China Institute of Information Engineering State Key Laboratory of Information Security Chinese Academy of Sciences Beijing China

ISBN: (纸本)9798350346275

In practice, different styles of side channel attacks can utilize the leakages of a crypto device to recover the used secret key, which can pose a serious threat on the physical security of a crypto device. Among different styles of side channel attacks, template attack can be information theoretically the strongest attack style. However, numerical problems can seriously influence the key-recovery efficiency of template attack in practice, which can make template attack useless in practice. In light of this, the variance analysis based distinguisher is proposed for template attack. Compared with the classical template attack, variance analysis based template attack can reduce the computational complexity of template attack from O(d3) to O(d), where d denotes the number of interesting points. Besides, numerical problems do not exist anymore. Therefore, a large number of interesting points can be chosen to enlarge the leakage exploitation and accordingly optimize the key-recovery efficiency of template attack. The key-recovery efficiency of variance analysis based template attack is evaluated in both simulated and real scenarios, and the evaluation results show that compared with the classical template attack, variance analysis based template attack can maintain a high key-recovery efficiency while significantly decrease the number of traces that should be used in the profiling phase of template attack. © 2022 IEEE.

关键词： Side channel attack

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The Influence of ISI and an Improved Algorithm of Channel Estimation in the Chirp System 2

The Influence of ISI and an Improved Algorithm of Channel Es...

引用

2020 2nd International Conference on Electronics and Communication, Network and Computer technology, ECNCT 2020

作者： Zhao, Nan Zhao, Dongyan Wang, Yubo Tang, Xiaoke Zhao, Xu Zhang, Yubing Liu, Jiadi State Grid Key Laboratory of Power Industrial Chip Design and Analysis Technology Beijing Smart-Chip Microelectronics Technology Co. Ltd. Beijing100086 China

Chirp signal is widely used in communication, radar, sonar and ultrasonic systems. The impulse response of channel must be estimated in PSK chirp spread spectrum modulation systems which is a chirp signal multiplied by the PSK modulated signal. Due to the influence of filters and multipath channel, the received signal of current symbol will be affected by the interference of the previous symbol and the next symbol, the interference which is called inter-symbol interference (ISI) can degrade the performance of channel estimation and demodulation. In this paper, based on BPSK chirp spread spectrum modulation system, we describe the received model, the channel estimation based on FFT and channel estimation of matched filtering, analyze the impacts of ISI on channel estimation. And we simulate the MSE of channel estimation and the simulation results are consistent with the analysis, then an improved method of channel estimation is proposed based on the analysis of the impact of ISI on channel estimation. © 2020 Published under licence by IOP Publishing Ltd.

关键词： Channel estimation

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A-CS: Adaptive Compressive Data Gathering for Chain-type Wireless Sensor Networks 4

A-CS: Adaptive Compressive Data Gathering for Chain-type Wir...

引用

2022 4th International Conference on Electronic Engineering and Informatics, EEI 2022

作者： Jia, Qiang Zhang, Yiyi Guo, Peng Zhang, Kui Liu, Jiang State Grid Key Laboratory of Power Industrial Chip Design and Analysis Technology Beijing Smart-Chip Microelectronics Technology Co. Ltd. Beijing China Huazhong University of Science and Technology Wuhan China Pentair Group Netherlands Shenzhen Miaoyan Technology Co. Ltd. Shenzhen China

ISBN: (纸本)9783800759231

Compressive Sensing has been validated as an efficient way for data gathering in chain-type wireless sensor networks (WSNs). Given the sparsity of the sensor nodes’ raw data, each sensor node just needs to send a constant size of data during the multi-hop data gathering, instead of relaying increasing size of data as in traditional data gathering works. However, we notice that the sparsity of raw data in event-involved local region may not be the same as that in the other usual region, which gives us hint that existing compressive sensing based on uniform sparsity of data actually can be improved. In this paper, we propose an adaptive compressive data gathering method A-CS for chain-type wireless sensor networks. Meanwhile, we design an ultra-lightweight localized sparsity variation detection mechanism for determining the event-involved region. Numerous simulation has been conducted, showing the efficiency of the proposed A-CS method. © VDE VERLAG GMBH ∙ Berlin ∙ Offenbach.

关键词： Compressed sensing

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Research on characteristics of a high sensitivity magnetic sensor

Research on characteristics of a high sensitivity magnetic s...

引用

International Conference on (ICEPT) Electronic Packaging technology

作者： Shuaipeng Wang Zhen Fu Yanning Chen Xiaofeng Cheng State Grid Key Laboratory of Power Industrial Chip Design and Analysis Technology Beijing Engineering Research Center of High-Reliability IC With Power Industrial Grade Beijing Smart-Chip Microelectronics Technology Co. Ltd. Beijing China

As a common sensor, Magnetic sensor is widely used in power generation, automotive electronics, rail transit and power field. In this paper, we describes the principle and technological process of the magnetic sensor, and compares the advantages of the hall sensor [1] [2] [3] and the magnetic sensor [4] [5] [6]. Then we tests the developed magnetic sensor sample on the basis of analyzing the demand for magnetic sensor in the power field. Finally, we conducted a preliminary test on the performance of the sensor and discuss the optimization of the sensor.

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A Blockchain-based Protocol for power Data Preservation in Ping Dingshan vs. Wang Case 4

A Blockchain-based Protocol for Power Data Preservation in P...

引用

4th IEEE International Conference on Electronics and Communication Engineering, ICECE 2021

作者： Wang, Huinan Feng, Yang Xing, Bin Zhang, Xin Wang, Zhao Wu, Jiaxing Huang, Xin Metering Center of Shanxi Electric Power Company China State Grid Key Laboratory of Power Industrial Chip Design and Analysis Technology Smart-Chip Microelectronics Technology Co. Ltd China Taiyuan University of Technology China

ISBN: (纸本)9781728194226

For power companies, the data collected by smart meters on electricity consumption is of vital interest. In 2019, Wang had a dispute with Ping Dingshan. They came into disagreement regarding the amount of electricity consumed, which was a difference of 1334 kWh. It was not settled until 2021. To avoid the above problem, smart meters could upload power information to the blockchain. In this paper, we improved the authentication protocol key proposed by Zhang and proposed a new scheme for uploading the power information from smart electricity meters, which ensures the integrity, confidentiality and authentication of the power information. At the same time, the proposed scheme is unbalanced for the computing capability of both communication parties, and can effectively reduce the burden of the server. ©2021 IEEE

关键词： Blockchain

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Digital fingerprint extraction method of IOT devices based on Cryptography 2021

Digital fingerprint extraction method of IOT devices based o...

引用

2021 The 9th International Conference on Information technology: IoT and Smart City

作者： Yan jie Zhang Lei Zhang Feng Yang Siting Gu Smart-Chip Microelectronics Technology Co. Ltd. State Grid Key Laboratory of Power Industrial Chip Design and Analysis Technology China

ISBN: (纸本)9781450384971

In order to improve the identification efficiency of devices in the perception layer of the Internet of Things, reduce the cost of calculation and protect data privacy, a device fingerprint extraction method based on lightweight national secret algorithm is proposed. Firstly, the feature information of embedded module is introduced to construct a comprehensive feature set, and the reasonable feature subset is determined based on the feature selection strategy of expert information weighting mechanism; Secondly, the lightweight cipher algorithm with high security is selected to transform the feature subset data into device fingerprint; Finally, based on the electric energy acquisition equipment in the power Internet of things, the fingerprint value extracted meets the requirements of uniqueness and unforgeability, and has the characteristics of fast response, which verifies the feasibility of the method.

关键词： SM feature selection lightweight Internet of Things device fingerprint

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design and characterization of novel doped heterostructured electromagnetic shielding packaging materials for Current sensor chip applications

Design and characterization of novel doped heterostructured ...

引用

International Conference on (ICEPT) Electronic Packaging technology

作者： Haichao Huang Shuaipeng Wang Yanning Chen Zhen Fu Yongfu Li Xiping Jiang State Grid Key Laboratory of Power Industrial Chip Design and Analysis Technology Beijing Smart-Chip Microelectronics Technology Co. Ltd. Beijing China Beijing Smart-Chip Microelectronics Technology Co. Ltd. Beijing China State Grid Chongqing Electric Power Company Electric Power Research Institute. Chongqing China

Electromagnetic radiation not only disrupt the use of equipment such as sensors, electronic components and precision instruments and affects their normal operation, but also leads to the leakage of important data and even reduces their reliability. It is still challenging to significantly improve the anti-electromagnetic interference performance from the chip packaging material level. Doped polyaniline (PANI) is considered as one of the most potent electromagnetic shielding materials as its easy synthesis, stable performance, unique chemical and electromagnetic *** address the technical challenges of chip anti-interference in complex electromagnetic environment and make full use of the advantages of doped PANI in electromagnetic shielding, this thesis uses doped PANI, carbon fiber, metal particles, etc. to prepare heterogeneous structure composite electromagnetic shielding packaging materials. Through the modification of the material and the construction of the shielding structure, the influence of the content of functional components, the size and structure of the reflective cavity on its electromagnetic properties is systematically studied, and the mechanism of the regulation of the electromagnetic shielding performance of the material is revealed. A series of CF/PANI heterogeneous structure composite electromagnetic shielding materials were obtained by in situ polymerization of carbon fiber surface coated with PANI, through optimization of components, structure and properties. Based on the excellent electrical properties of PANI and the characteristic of no electromagnetic loss, the reflective layer is constructed inside the material, and the effects of carbon fiber and metal particle content and morphology on the conductivity and dielectric behavior of CF/PANI are systematically investigated to enhance the dielectric loss and absorption loss of the material and improve the electromagnetic shielding effectiveness of the material through multiple reflect

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