wifi 802.11n 協議標準 Contents 2. Normative references ........................................................................................................................... 1 3. Definitions ........................................................................................................................................... 2 3A. Definitions specific to IEEE 802.11 .................................................................................................... 3 4. Abbreviations and acronyms ............................................................................................................... 8 5. General description ............................................................................................................................ 10 5.2 Components of the IEEE 802.11 architecture ....................................................................... 10 5.2.9 High-throughput (HT) station (STA)..................................................................... 10 6. MAC service definition ..................................................................................................................... 10 6.1 Overview of MAC services ................................................................................................... 10 6.1.5 MAC data service architecture .............................................................................. 10 7. Frame formats .................................................................................................................................... 12 7.1 MAC frame formats............................................................................................................... 12 7.1.1 Conventions ........................................................................................................... 12 7.1.2 General frame format............................................................................................. 12 7.1.3 Frame fields ...................................