Trigger frames adapted to packet-based policies in an 802.11 network
摘要
說明書
Third main embodiments of the invention provide, from the access point's perspective, a wireless communication method in a wireless network comprising an access point and a plurality of nodes, the method comprising, at the access point, the step of:
sending a trigger frame to the nodes, the trigger frame reserving at least one communication channel of the wireless network for a transmission opportunity and defining a plurality of resource units forming the communication channel, the plurality of resource units having the same time length;
wherein resource units within the communication channel have different frequency widths.
The same third main embodiments of the invention provide, from the node's perspective, a wireless communication method in a wireless network comprising an access point and a plurality of nodes, the method comprising, at one of said nodes, the steps of:
receiving a trigger frame from the access point, the trigger frame reserving at least one communication channel of the wireless network for a transmission opportunity and a plurality of resource units forming the communication channel, the plurality of resource units having the same time length, and
transmitting data to the access point on one of the resource units,
wherein resource units within the communication channel have different frequency widths.
Use of network bandwidth is optimized. This is achieved by having resource units with different frequency widths, i.e. with different transmission capacities.
As a consequence, the nodes may efficiently select resource units matching their needs, in order to minimize the padding.
