| 摘要 |
Multiple trigger frames are generated at a first communication device to trigger an uplink orthogonal frequency multiple access (OFDMA) transmission by multiple second communication devices. The multiple trigger frames include a broadcast trigger frame that includes information to indicate transmission parameters for a first subset of the second communication devices, and one or more unicast trigger frames, each of the one or more unicast trigger frame including information to indicate transmission parameters for a particular second communication device in a second subset of the second communication devices. The broadcast trigger frame is transmitted, in a first frequency portion of a downlink OFDMA transmission, to the first subset of the second communication devices, and respective unicast trigger frames are transmitted, in respective second frequency portions of the downlink OFDMA transmission, to the second subset of the second communication devices. |
| 主权项 |
1. A method for communicating in a wireless communication network, the method comprising:
generating, at a first communication device, multiple trigger frames to trigger an uplink orthogonal frequency multiple access (OFDMA) transmission by multiple second communication devices, including generating
(i) a broadcast trigger frame that includes information to indicate transmission parameters for a first subset of the second communication devices and(ii) one or more unicast trigger frames, wherein each of the one or more unicast trigger frame includes information to indicate transmission parameters for a particular second communication device in a second subset of the second communication devices; transmitting, with the first communication device, the multiple trigger frames to the multiple second communication devices, including
(i) transmitting the broadcast trigger frame to the first subset of the second communication devices, wherein the broadcast trigger frame is transmitted in a first frequency portion of a downlink OFDMA transmission to the multiple second communication devices, and(ii) transmitting the unicast trigger frames to the second subset of the second communication devices, wherein respective unicast trigger frames are transmitted in respective second frequency portions of the downlink OFDMA transmission, the respective second frequency portions corresponding with the respective second communication devices in the second subset; and receiving, at the first communication device, the triggered uplink OFDMA transmission, wherein the triggered uplink OFDMA transmission includes respective transmissions from the multiple second communication devices. |
