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首页> 外文期刊>Microwave and optical technology letters >DESIGN TRADE-OFF FOR A COMPACT 5.8 GHz DSRC TRANSPONDER FRONT-END
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DESIGN TRADE-OFF FOR A COMPACT 5.8 GHz DSRC TRANSPONDER FRONT-END

机译：紧凑型5.8 GHz DSRC转发器前端的设计权衡

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摘要

This letter introduces a method for the optimum design of a compact transponder front-end for dedicated short range communication (DSRC) operating at 5.8 GHz band and suitable for electronic toll collection (ETC) vehicular applications. The DSRC transponder frontend is based on a circularly polarized antenna and a RF diode, which provides both the functionalities of envelope detector and back-scatterer. The design method is based on the characterization and optimization of the frequency conversion mechanism occurring in the front-end during up and downlink while the best trade-off between design parameters are identified on the base of sensitivity and back-scatterer gain. These parameters optimize the DSRC transponder front-end in the two links and thus leads to the maximum operative range. The methods are validated through the design of three prototypes responding to different design constraints and tested in the context of a realistic scenario of DSRC for ETC according to the ETSI EN300674 communication layers. (C) 2015 Wiley Periodicals, Inc.
机译：这封信介绍了一种优化设计的紧凑型应答器前端的方法，该前端用于5.8 GHz频段的专用短程通信（DSRC），适用于电子收费（ETC）车辆应用。 DSRC应答器前端基于圆极化天线和RF二极管，可同时提供包络检测器和反向散射器的功能。该设计方法基于上行和下行链路中前端发生的频率转换机制的表征和优化，同时基于灵敏度和后向散射增益确定设计参数之间的最佳折衷。这些参数优化了两个链路中的DSRC应答器前端，从而导致最大工作范围。该方法通过响应于不同设计约束的三个原型的设计而得到验证，并根据ETSI EN300674通信层在针对ETC的DSRC的实际情况下进行了测试。 （C）2015年Wiley Periodicals，Inc.

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