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|Title:||Access point placement for fingerprint-based localization|
|Citation:||Sharma, C.,Wong, Y.F.,Soh, W.-S.,Wong, W.-C. (2010). Access point placement for fingerprint-based localization. 12th IEEE International Conference on Communication Systems 2010, ICCS 2010 : 238-243. ScholarBank@NUS Repository. https://doi.org/10.1109/ICCS.2010.5686092|
|Abstract:||Fingerprint-based localization systems mainly utilize the received signal strength (RSS) to estimate the location of a receiver, and the localization accuracy depends largely on the number and placement of access points (APs). In this paper, we propose a novel method for placing the APs, which aims to minimize the total number of similar fingerprints (SFs) over the entire array of training locations. Minimizing SFs will increase the diversity of RSS array and hence improve localization accuracy. To solve the problem using a simple brute force search would be highly computationally expensive and inefficient. Instead, we propose a heuristic optimization algorithm based on Simulated Annealing (SA). Numerical results are obtained for both the brute force search and the SA based approach. Finally, the proposed algorithm's outputs, i.e., the APs' locations, are used with a K-Nearest Neighbors based localization algorithm, and the resulting localization errors are analyzed. © 2010 IEEE.|
|Source Title:||12th IEEE International Conference on Communication Systems 2010, ICCS 2010|
|Appears in Collections:||Staff Publications|
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