| 摘要 |
A method and apparatus comprising sensing a wirelessly transmitted physical layer convergence protocol (PLCP) protocol data unit (PPDU) having a first portion (22, 62) and a second portion (26, 28, 66, 68), the first portion of said PPDU including first information and the second portion of said PPDU including second information (30, 32, 72, 74); reading duration related information from the first information of the PPDU; and remaining quiet for a duration indicated by the duration related information, wherein said first information in said first portion is coded over one frequency channel, and wherein said second information in said second portion is coded across multiple frequency channels. |
