1. A communication method performed in a communication station, comprising:transmitting, by the communication station to an access point (AP), a request frame requesting the access point to schedule one or more durations, wherein a first group of one or more stations is allowed to participate in a communication between non-AP stations during the one or more durations, and a second group of one or more stations is prohibited from transmitting any frames during the one or more durations; and
receiving, by the communication station from the access point, a response frame of the request frame,
wherein the communication station is not an access point, and
wherein the request frame includes information on a start time of an earliest duration of the one or more durations, and information on a time length of the one or more durations.