69 citations · 69 across the 2 of their papers we have counts for
2 papers
cs.IT2015★ 69 cited
K-Means Fingerprint Clustering for Low-Complexity Floor Estimation in Indoor Mobile Localization
Alireza Razavi, Mikko Valkama, Elena-Simona Lohan
Indoor localization in multi-floor buildings is an important research problem. Finding the correct floor, in a fast and efficient manner, in a shopping mall or an unknown universit…
cs.IT2015
Compressive Identification of Active OFDM Subcarriers in Presence of Timing Offset
Alireza Razavi, Mikko Valkama, Danijela Cabric
In this paper we study the problem of identifying active subcarriers in an OFDM signal from compressive measurements sampled at sub-Nyquist rate. The problem is of importance in Co…