{"title":"基于2.1GHz的FDD NR分析与现场试验","authors":"Bowen Cai, Chunlei Hu, Weiliang Xie, Xu Xia","doi":"10.1109/ICCCWorkshops52231.2021.9538867","DOIUrl":null,"url":null,"abstract":"Compared with the fourth-generation mobile communication technology (4G), the fifth-generation mobile communication technology (5G) supports greater bandwidth to achieve high speeds. Nowadays, operators worldwide deploy Time Division Duplex (TDD) 5G such as 3.5GHz and 2.6GHz to deliver 5G services with higher capacity for initial 5G deployment. However, due to the limitations of the TDD duplex technology, uplink coverage areas and indoor penetration are insufficient than Frequency Division Duplexing (FDD) duplex technology. Therefore, it is necessary to find the coverage layer for 5G in lower band. In this paper, compared with TDD New Radio (NR) and FDD Long Term Evolution (LTE), FDD NR is studied based on 2.1GHz. Furthermore, a field trial was conducted to examine the performance of FDD NR. Results show that FDD NR can be compatible with TDD NR and FDD LTE. Finally, some suggestions are provided for the network construction of mobile operators.","PeriodicalId":335240,"journal":{"name":"2021 IEEE/CIC International Conference on Communications in China (ICCC Workshops)","volume":"123 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Analysis and Field Trial on FDD NR Based on 2.1GHz\",\"authors\":\"Bowen Cai, Chunlei Hu, Weiliang Xie, Xu Xia\",\"doi\":\"10.1109/ICCCWorkshops52231.2021.9538867\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Compared with the fourth-generation mobile communication technology (4G), the fifth-generation mobile communication technology (5G) supports greater bandwidth to achieve high speeds. Nowadays, operators worldwide deploy Time Division Duplex (TDD) 5G such as 3.5GHz and 2.6GHz to deliver 5G services with higher capacity for initial 5G deployment. However, due to the limitations of the TDD duplex technology, uplink coverage areas and indoor penetration are insufficient than Frequency Division Duplexing (FDD) duplex technology. Therefore, it is necessary to find the coverage layer for 5G in lower band. In this paper, compared with TDD New Radio (NR) and FDD Long Term Evolution (LTE), FDD NR is studied based on 2.1GHz. Furthermore, a field trial was conducted to examine the performance of FDD NR. Results show that FDD NR can be compatible with TDD NR and FDD LTE. Finally, some suggestions are provided for the network construction of mobile operators.\",\"PeriodicalId\":335240,\"journal\":{\"name\":\"2021 IEEE/CIC International Conference on Communications in China (ICCC Workshops)\",\"volume\":\"123 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-07-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2021 IEEE/CIC International Conference on Communications in China (ICCC Workshops)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICCCWorkshops52231.2021.9538867\",\"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/CIC International Conference on Communications in China (ICCC Workshops)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCCWorkshops52231.2021.9538867","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Analysis and Field Trial on FDD NR Based on 2.1GHz
Compared with the fourth-generation mobile communication technology (4G), the fifth-generation mobile communication technology (5G) supports greater bandwidth to achieve high speeds. Nowadays, operators worldwide deploy Time Division Duplex (TDD) 5G such as 3.5GHz and 2.6GHz to deliver 5G services with higher capacity for initial 5G deployment. However, due to the limitations of the TDD duplex technology, uplink coverage areas and indoor penetration are insufficient than Frequency Division Duplexing (FDD) duplex technology. Therefore, it is necessary to find the coverage layer for 5G in lower band. In this paper, compared with TDD New Radio (NR) and FDD Long Term Evolution (LTE), FDD NR is studied based on 2.1GHz. Furthermore, a field trial was conducted to examine the performance of FDD NR. Results show that FDD NR can be compatible with TDD NR and FDD LTE. Finally, some suggestions are provided for the network construction of mobile operators.
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