Wimax frame structure and multiplexing

Wimax uses TDMA and OFDMA to divide the channel resource for multiple users.

Glossary
Symbol: A time slice of OFDM. It covers all subcarriers.
Slot: The atomic structure of communication. Each slot has 48 carriers. According to the modulation type, each slot has 48 subcarriers. Depending on modulation, a slot has 48* k bits. k = 2, 4, 6 for QPSK, 16 QAM, 64 QAM.
Burst: Data region, OFDMA divides temporal-frequency space into user regions. Each user is allocated a burst. A burst (block) includes multiple slots. A zone has multiple bursts.
A burst has slots ranging in temporal and frequency domains. In simulation, the slot count in T (symbol axis) is 18 and slot count in F (subchannel axis) is 5. The total slots in a burst is 5*18 = 90.

PUSC: Partial usage of subchannels.