{"title":"采用现代天线设计的同信道双极化系统性能。天线xpd和xpic改进因子的影响","authors":"M. Glauner, M. Biester","doi":"10.1109/SBMO.1993.589409","DOIUrl":null,"url":null,"abstract":"High level modulated radio-relay systems operating in frequency bands between 4 GHz and 13 GHz are mainly impaired by multipath propagation. In addition to intersymbol interference due to selective fading and thermal noise due to flat fading, co-channel dual polarized (CCDP) systems i.e. systems with frequency-reuse suffer from co-channel interference (CCI). In fading free time CCI is controlled by Cross Polarization Discrimination (XPD) achieved via antennas and transmission path. However in case of flat and/or selective fading the aid of a Cross-Polarization Interference Canceller (XPIC) is needed. In the following methods are developed to describe the parameters ”XPIC-gain” and ”antenna-XPD” which are key parameters for planning of CCDP-systems. This allows realistic prediction of system outage by use of standard models. High level modulated CCDP systems are shown to maintain good performance by use of state of the art XPIC and antenna equipment.","PeriodicalId":219944,"journal":{"name":"SBMO International Microwave Conference/Brazil,","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Performance Of Co-channel Dual Polarized Systems With Modern Antenna Design. Influence Of Antenna-XPD And XPIC-improvement Factor\",\"authors\":\"M. Glauner, M. Biester\",\"doi\":\"10.1109/SBMO.1993.589409\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"High level modulated radio-relay systems operating in frequency bands between 4 GHz and 13 GHz are mainly impaired by multipath propagation. In addition to intersymbol interference due to selective fading and thermal noise due to flat fading, co-channel dual polarized (CCDP) systems i.e. systems with frequency-reuse suffer from co-channel interference (CCI). In fading free time CCI is controlled by Cross Polarization Discrimination (XPD) achieved via antennas and transmission path. However in case of flat and/or selective fading the aid of a Cross-Polarization Interference Canceller (XPIC) is needed. In the following methods are developed to describe the parameters ”XPIC-gain” and ”antenna-XPD” which are key parameters for planning of CCDP-systems. This allows realistic prediction of system outage by use of standard models. High level modulated CCDP systems are shown to maintain good performance by use of state of the art XPIC and antenna equipment.\",\"PeriodicalId\":219944,\"journal\":{\"name\":\"SBMO International Microwave Conference/Brazil,\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-08-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"SBMO International Microwave Conference/Brazil,\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SBMO.1993.589409\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"SBMO International Microwave Conference/Brazil,","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SBMO.1993.589409","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Performance Of Co-channel Dual Polarized Systems With Modern Antenna Design. Influence Of Antenna-XPD And XPIC-improvement Factor
High level modulated radio-relay systems operating in frequency bands between 4 GHz and 13 GHz are mainly impaired by multipath propagation. In addition to intersymbol interference due to selective fading and thermal noise due to flat fading, co-channel dual polarized (CCDP) systems i.e. systems with frequency-reuse suffer from co-channel interference (CCI). In fading free time CCI is controlled by Cross Polarization Discrimination (XPD) achieved via antennas and transmission path. However in case of flat and/or selective fading the aid of a Cross-Polarization Interference Canceller (XPIC) is needed. In the following methods are developed to describe the parameters ”XPIC-gain” and ”antenna-XPD” which are key parameters for planning of CCDP-systems. This allows realistic prediction of system outage by use of standard models. High level modulated CCDP systems are shown to maintain good performance by use of state of the art XPIC and antenna equipment.
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