METHOD FOR PROVIDING GEOGRAPHICAL POSITION RELATED INFORMATION IN A WIRELESS NETWORK

摘要

Method and arrangement in a first nodefor providing geographical position related information. The first nodeand a second node are comprised within a wireless communication system. The first nodeand thesecond nodeare adapted to exchange wireless signals. The method comprises receivinga signal from the second node. Apart of the received signal thathas propagated through a first channel path from the second nodeis detected by using a circular correlator. A timing estimate associated with the propagation time of the part of the signal which is received over the first channel path from the second node is calculated. Thus the calculated timing estimateis provided, which timing estimateis to be used when determining the geographical position.