CAJ | 학술논문

针对终端硬件差异对接收信号强度(RSS)测量的影响，导致传统RSS指纹鲁棒性较差的问题，借鉴信号强度差(SSD)在室内定位中的应用，提出一种抗移动终端硬件异质的SSD位置指纹。从理论上对SSD、RSS及双曲位置指纹(HLF)3种指纹的鲁棒性进行分析，并在实际无线局域网环境中应用传统K最近邻法，对3种指纹在训练定位阶段使用相同终端与不同终端2种情况下进行实验。结果证明，与RSS和HLF指纹相比，SSD指纹在抗移动终端异质方面的鲁棒性更好。
침대종단경건차이대접수신호강도(RSS)측량적영향，도치전통RSS지문로봉성교차적문제，차감신호강도차(SSD)재실내정위중적응용，제출일충항이동종단경건이질적SSD위치지문。종이론상대SSD、RSS급쌍곡위치지문(HLF)3충지문적로봉성진행분석，병재실제무선국역망배경중응용전통K최근린법，대3충지문재훈련정위계단사용상동종단여불동종단2충정황하진행실험。결과증명，여RSS화HLF지문상비，SSD지문재항이동종단이질방면적로봉성경호。
Received Signal Strength(RSS) is different when measured by different terminal hardware, which causes poor robustness for the traditional fingerprint RSS. Using the application of Signal Strength Difference(SSD) for indoor reference, a robust SSD location fingerprint is proposed to resolve the problem in this paper. It analyzes the robustness of SSD, RSS and Hyperbolic Location Fingerprint(HLF) theoretically, and with the traditional localization K-Nearest Neighbor(KNN) in an actual Wireless Local Area Network(WLAN) environment, it carries out experiments on the 3 fingerprints, with a same terminal and different terminals, in the training phase and positioning phase. Experimental results show that, compared with RSS and HLF, SSD’s robustness is better on against mobile terminal heterogeneity.