Patent ID: 8923865

Claim:
A method of measurement in a wireless communication system, comprising: operating a wireless device on a first wireless communication technology; identifying a group of frequencies of a second wireless communication technology to be searched for cell reselection, wherein the second wireless communication technology is preferred relative to the first wireless communication technology; detecting a cell on one of the group of frequencies of the second wireless communication technology; determining that the detected cell of the second wireless communication technology satisfies a first reselection criterion based on a first measurement; scheduling a plurality of new measurements for the group of frequencies of the second wireless communication technology using a fast measurement periodicity mode in response to the detected cell of the second wireless communication technology satisfying the first reselection criterion, wherein the fast measurement periodicity mode includes increasing a frequency of measuring the group of frequencies of the second wireless communication technology so that the plurality of new measurements on each frequency of the group of frequencies occurs prior to an expiration of a reselection time period; and reselecting to a new cell on one of the group of frequencies of the second wireless communication technology when the new measurements corresponding to the new cell on one of the group of frequencies satisfy a second reselection criterion and the second reselection criterion is satisfied over the reselection time period, wherein satisfying the second reselection criterion over the reselection time period includes observing consecutive measurements corresponding to the new cell on one of the group of frequencies using the fast measurement periodicity.