WiththedevelopmentofMEMSsensors,pedestriannavigationhasbeenapopularresearch.Thepaperrealizesstepdetectionandestimationforsteplengthbyonlyverticalaccelerometer.Itdeterminesinitialheadingusingaccelerometersandmagnetometersandcalculateslatterheadingusinggyroscopesbystrap-downinertialnavigationalgorithm.Afterwards,itachievesthepositioninggoalforpedestrianusingdeadreckoningmethod.Definitively,theeffectivenessofthisapproachisdemonstrated
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