| 摘要 |
A method for reserving a shared channel in a wireless communications system includes when a first device has a communications to start at a first time, determining, by the first device, a push-forward duration in accordance with at least quality of service (QoS) information associated with the communications, and performing, by the first device, at least one clear channel assessment (CCA) to reserve the shared channel at a second time that is before the first time by the push-forward duration. |
