室内定位技术以其在定位搜救、公共安全、商业等方面良好的应用前景而备受人们重视。阐述了用于室内定位的几种算法,在详细介绍RF ID传感器定位原理、特点及关键技术的基础上,评述了LANDMARC定位系统及其优缺点,并展望了室内定位技术的发展趋势。-Accurate indoor positioning technology is an important and novel emerging technology for location

rescue, public safety and commercial app lications. Several indoor positioning algorithms are p resented. Based on

the p rincip les, characteristics and key technology of RF ID, LANDMARC system and its major advantages and

disadvantages are rewiewed emphatically. The development trend of indoor positioning technology are indicated.