Embodiments of the disclosure provide methods and apparatuses for scheduling radio resources in a communication system. According to the method, in response to receiving a request for accessing a target frequency band utilized by a Macro BS and a LPN from a frequency-shared system, a first notification is transmitted to the Macro BS, such that the Macro BS deactivates the target frequency band, and a second notification is transmitted to the LPN, such that the LPN extends its coverage. Then, information on the extended coverage is received from the LPN.