Sponsored by the National High Technology Research and Development Program of China (Grant No. 2008AA12Z305);the China Postdoctoral ScienceFoundation Funded Project (Grant No. 20100471057);the Heilongjiang Province Postdoctoral Science Foundation Funded Project (Grant No. LRB09-464)
Wi-Fi indoor positioning system has received increasing interest in pervasive computing applications due to its low cost and satisfactory accuracy. To obtain high positioning accuracy based on source limited devices, ...
Although k-nearest neighbors (KNN) is a popular fingerprint match algorithm for its simplicity and accuracy, because it is sensitive to the circumstances, a fuzzy c-means (FCM) clustering algorithm is applied to i...
supported by the National Natural Science Foundation of China(61071104);the National High Technology Research and Development Program(2008AA12Z305)
The spectrum sharing problem between primary and cognitive users is mainly investigated. Since the interference for primary users and the total power for cognitive users are constrained, based on the well-known water-...