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首页> 外文会议>Saint Petersburg International Conference on Integrated Navigation Systems; 20050523-25; Saint Petersburg(RU) >HIGAPS - A HIGHLY INTEGRATED RECEIVER ARCHITECTURE WITH ENHANCED SENSITIVITY FOR COMBINED GALILEO/GPS RECEPTION
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HIGAPS - A HIGHLY INTEGRATED RECEIVER ARCHITECTURE WITH ENHANCED SENSITIVITY FOR COMBINED GALILEO/GPS RECEPTION

机译：HIGAPS-高度集成的接收器架构，具有增强的伽利略/ GPS组合接收灵敏度

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摘要

Several new requirements and challenges are introduced with the transition of traditional navigation applications towards location based services. The three most important ones are low cost, low energy consumption, and high sensitivity. This paper presents the HIGAPS receiver concept. Aim of the HIGAPS project is the development of the concept for a combined Galileo/GPS receiver that is specially tailored for location based services and other consumer market applications. The architecture of the combined Galileo/GPS RF front-end is depicted in low-IF architecture. The digital baseband presents a highly parallel correlation architecture for combined Galileo/GPS reception, allowing moderate times to fix for extended dwell times. Parallel digital signal processing combined with aiding data allows single shot measurements particularly designed for location based services. Differential correlation, where the current coherently integrated predetection sample is multiplied with the conjugated complex of the previous predetection sample further improves the reception sensitivity.
机译：随着传统导航应用向基于位置的服务的过渡，引入了一些新的要求和挑战。最重要的三个是低成本，低能耗和高灵敏度。本文介绍了HIGAPS接收器的概念。 HIGAPS项目的目标是开发组合式Galileo / GPS接收机的概念，该接收机专门针对基于位置的服务和其他消费市场应用而量身定制。低中频架构中描述了组合式Galileo / GPS RF前端的架构。数字基带为Galileo / GPS组合接收提供了高度并行的相关架构，允许固定时间以延长驻留时间。并行数字信号处理与辅助数据相结合，可以进行单次测量，特别是针对基于位置的服务而设计。微分相关，将当前相干集成的预检测样本与先前的预检测样本的共轭复合物相乘，可以进一步提高接收灵敏度。

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