The present disclosure relates to a method and system in a wireless network for radar detection in certain bands e.g. bands normally used for unlicensed access. In one broad aspect, a method is provided for a network node configured to control wireless transmissions in a frequency band also used for radar transmissions. In that method, the network node controls the wireless transmissions using a transmission cycle pattern defined by a transmit on time and a transmit off time. The method includes after a wireless transmission during the transmit-on time of a first transmission cycle, detecting, during the transmit-off time of the first transmission cycle, at least one radar pulse in the frequency band and extending the transmit off time of a second transmission cycle based on the at least one radar pulse detected. Advantageously, in some implementations, extending the transmit off time when one or more radar pulses are detected provides more time to detect a larger number of pulses which as a result, may improve radar detection accuracy.