Method for operating a user equipment in a cellular network, the cellular network comprising a plurality of base stations, wherein at least one base station is configured to maintain neighbor relation data, wherein the user equipment is operating with an active base station (eNB A) which is the one of said base stations the user equipment is currently served by, and the user equipment is configured to operate in narrowband communication category, the method comprising the steps performed by the user equipment: - receiving from the active base station a measurement instruction message, said measurement instruction message comprising at least one restriction parameter relating to a minimum power level indicator, - receiving a connection release message, wherein the measurement instruction message and the connection release message are received as part of one transmission, - measuring signals from at least one neighbor base station (eNBs) considering the at least one restriction parameter, wherein the method comprises considering said minimum power level indicator when measuring signals from at least one neighbor base station (eNBe) in dependence of signals received from said neighbor base station (eNBe) at the user equipment, and terminating the measurement attempt when said minimum power level is reached without detecting signals from at least one neighbor base station, and wherein, in conjunction with a connection setup request transmitted by the user equipment, the method further comprises: - transmitting at least one neighbor measurement report to the active base station (eNB A). wherein the user equipment is operating with an active base station (eNB A) which is the one of said base stations the user equipment is currently served by, and the user equipment is configured to operate in narrowband communication category, the method comprising the steps performed by the user equipment: - receiving from the active base station a measurement instruction message, said measurement instruction message comprising at least one restriction parameter relating to a minimum power level indicator, - receiving a connection release message, wherein the measurement instruction message and the connection release message are received as part of one transmission, - measuring signals from at least one neighbor base station (eNBs) considering the at least one restriction parameter, - receiving from the active base station a measurement instruction message, said measurement instruction message comprising at least one restriction parameter relating to a minimum power level indicator, - receiving a connection release message, wherein the measurement instruction message and the connection release message are received as part of one transmission, - measuring signals from at least one neighbor base station (eNBs) considering the at least one restriction parameter, wherein the method comprises considering said minimum power level indicator when measuring signals from at least one neighbor base station (eNBe) in dependence of signals received from said neighbor base station (eNBe) at the user equipment, and terminating the measurement attempt when said minimum power level is reached without detecting signals from at least one neighbor base station, and wherein, in conjunction with a connection setup request transmitted by the user equipment, the method further comprises: - transmitting at least one neighbor measurement report to the active base station (eNB A). - transmitting at least one neighbor measurement report to the active base station (eNB A).