{"title":"保险杠材料介电常数变化对汽车MIMO雷达性能的影响:通过双向损耗和天线阵列模糊函数的见解","authors":"J. C. Dash, D. Sarkar","doi":"10.1109/imarc49196.2021.9714695","DOIUrl":null,"url":null,"abstract":"In this paper, the effect of car bumper permittivity variation on automotive MIMO RADAR antenna array is critically examined using metrics like bi-directional loss model and antenna array ambiguity function. First, a MIMO RADAR with two transmit and four receive antennas is designed and placed behind a simplified curved bumper CAD model. Next, the BLM as well as the AAAF for the antenna-bumper system is computed using the virtual array pattern approach. The proposed analysis provides quantitative insights into the effects on MIMO RADAR performance metrics like field-of-view, angular resolution and ambiguity in direction-of-arrival estimation, caused by real-life antenna-bumper interactions.","PeriodicalId":226787,"journal":{"name":"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Impacts on Automotive MIMO RADAR Performance due to Permittivity Variation of Bumper Material: Insights through Bi-directional Loss and Antenna Array Ambiguity Function\",\"authors\":\"J. C. Dash, D. Sarkar\",\"doi\":\"10.1109/imarc49196.2021.9714695\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, the effect of car bumper permittivity variation on automotive MIMO RADAR antenna array is critically examined using metrics like bi-directional loss model and antenna array ambiguity function. First, a MIMO RADAR with two transmit and four receive antennas is designed and placed behind a simplified curved bumper CAD model. Next, the BLM as well as the AAAF for the antenna-bumper system is computed using the virtual array pattern approach. The proposed analysis provides quantitative insights into the effects on MIMO RADAR performance metrics like field-of-view, angular resolution and ambiguity in direction-of-arrival estimation, caused by real-life antenna-bumper interactions.\",\"PeriodicalId\":226787,\"journal\":{\"name\":\"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-12-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/imarc49196.2021.9714695\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/imarc49196.2021.9714695","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Impacts on Automotive MIMO RADAR Performance due to Permittivity Variation of Bumper Material: Insights through Bi-directional Loss and Antenna Array Ambiguity Function
In this paper, the effect of car bumper permittivity variation on automotive MIMO RADAR antenna array is critically examined using metrics like bi-directional loss model and antenna array ambiguity function. First, a MIMO RADAR with two transmit and four receive antennas is designed and placed behind a simplified curved bumper CAD model. Next, the BLM as well as the AAAF for the antenna-bumper system is computed using the virtual array pattern approach. The proposed analysis provides quantitative insights into the effects on MIMO RADAR performance metrics like field-of-view, angular resolution and ambiguity in direction-of-arrival estimation, caused by real-life antenna-bumper interactions.
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