基于大阵列天线的IMT-2020基站与DAB地球站的共存仿真方法
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摘要
重点介绍了国际电信联盟最新发布的IMT模型建议书ITU-R M.2101中的阵列天线模型及相关参数,并基于该模型对1.4 GHz的IMT系统下行干扰数字音频广播地球站的场景进行系统级仿真。采用集总干扰评估方法,仿真了不同距离下大规模基站部署对中心地球站的干扰,并通过比较干扰门限得到保护距离。研究结果可为未来IMT系统设计与部署、5G或相关频率规划提供借鉴。
The array antenna model and its parameters in ITU-R REC M.2101 were introduced in detail, and the model would be implemented in IMT deployment scenario modeling. Based on the lumped interference assessment method, the interference of the large-scale base station deployment to the central earth station at different distances was simulated, and the distance was protected by comparing the interference threshold. The research results can provide reference for future IMT system design and deployment, 5G or related frequency planning.
The array antenna model and its parameters in ITU-R REC M.2101 were introduced in detail, and the model would be implemented in IMT deployment scenario modeling. Based on the lumped interference assessment method, the interference of the large-scale base station deployment to the central earth station at different distances was simulated, and the distance was protected by comparing the interference threshold. The research results can provide reference for future IMT system design and deployment, 5G or related frequency planning.
引文
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[3]ITU-R.Modelling and simulation of IMT networks for use in sharing and compatibility studies[R].2017.
[4]中华人民共和国工业和信息化部.中华人民共和国无线电频率划分规定[M].北京:人民邮电出版社,2014.Ministry of industry and information technology of the People’s Republic of China.Radio frequency division regulations of the People’s Republic of China[M].Beijing:Posts&Telecom Press,2014.
[5]ITU-R.China(People’s Republic of)spectrum needs for the terrestrial component of IMT in the frequency range between24.25 GHz and 86 GHz for WRC-19 agenda item 1.13[R].2017.
[6]中国无线电.IMT-2020(5G)推进组发布5G技术白皮书[J].中国无线电,2015(5).China Radio.IMT-2020(5G)promotion group released 5G technology white paper[J].China Radio,2015(5).
[7]ITU-R.Characteristics of terrestrial IMT systems for frequency sharing/interference analyses in the frequency range between24.25 GHz and 86 GHz[R].2017.
[8]ITU-R.FSS/BSS technical parameters for sharing studies under WRC-19 agenda item 1.13[R].2016.
[9]中华人民共和国工业和信息化部.工业和信息化部关于1447-1467兆赫兹(MHz)频段宽带数字集群专网系统频率使用事宜的通知[Z].2015-02-26.Ministry of industry and information technology of the People’s Republic of China.Notice on the 1447-1467 megahertz(MHz)band for broadband digital trunk special network system[Z].2015-02-26.
[10]ITU-R.Characteristics of terrestrial IMT-Advanced systems for frequency sharing/interference analyses[R].2013.
[11]ITU-R.Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz[R].2013.
[12]3GPP.Evolved universal terrestrial radio access(E-UTRA)and universal terrestrial radio access(UTRA;radio frequency(RF)requirement background for active antenna system(AAS)base station(BS):TR37.842 V13.0.0[S].2013.
[13]3GPP.Study of radio frequency(RF)and electromagnetic compatibility(EMC)requirements for active antenna array system(AAS)base station:TR37.840 V12.1.0[S].2013.
[14]ITU-R.Reference radiation patterns of omnidirectional,sectoral and other antennas for the fixed and mobile services for use in sharing studies in the frequency range from 400 MHz to about70 GHz[R].2014.
[15]钱肇钧,王坦,康龙,等.25.25~27.5GHz频段卫星间业务与IMT系统兼容性研究[J].电信科学,2016,32(12):86-92.QIAN Z J,WANG T,KANG L,et al.Compatibility study between IMT and inter-satellite service system in 25.25-27.5 GHz frequency band[J].Telecommunications Science,2016,32(12):86-92.