Given the accuracy in data collection, radar-based local positioning systems (LPS) are a promising technology to monitor training load in team sports. The objective of this study was to systematically review articles that compare the validity and reliability of LPS to other electronic performance and tracking system (EPTS) in team sports. The authors searched three electronic databases (SPORTDiscus, PubMed, and Web of Science) to identify relevant studies published by October 21, 2019. A Boolean search was performed, including sport (population), search terms related to intervention technology (intervention technology), and outcome measures of the technology (outcomes). Seven studies evaluated the validity and reliability of LPS in team sports in comparison with other EPTS, including semi-automatic video technology (VID) and Global Positioning System (GPS). Two articles compared LPS to VID, three articles compared LPS to GPS, and two articles compared LPS to both GPS and VID. LPS is considered a valid and reliable EPTS in the field of load monitoring of team sports, usually resulting in higher accuracy than VID or GPS. However, special care should be taken when analyzing load indicators at high speeds or different trajectories, since the validity and reliability depend on the EPTS itself.

鉴于数据收集的准确性，基于雷达的本地定位系统（LPS）是一种有前途的技术，可以监测团队运动中的训练负荷。这项研究的目的是系统地回顾文章，比较在团队运动中LPS与其他电子性能和跟踪系统（EPTS）的有效性和可靠性。作者搜索了三个电子数据库（SPORTDiscus，PubMed和Web of Science），以识别于2019年10月21日发布的相关研究。进行了布尔搜索，包括体育（人口），与干预技术（interaction technology）相关的搜索词，技术的成果度量（成果）。与其他EPTS（包括半自动视频技术（VID）和全球定位系统（GPS））相比，七项研究评估了LPS在团队运动中的有效性和可靠性。两篇文章将LPS与VID进行了比较，三篇文章将LPS与GPS进行了比较，两篇文章将LPS与GPS和VID进行了比较。LPS在团体运动负荷监控领域被认为是有效且可靠的EPTS，通常比VID或GPS具有更高的准确性。但是，在分析高速或不同轨迹的负荷指示器时，应特别小心，因为有效性和可靠性取决于EPTS本身。