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Objectives. Understand the OFDMA Physical layer features in 802.16d. Discover the ways in which subcarriers are allotted to users in OFDMA-802.16d. Get to know the important medium access control operations in 802.16d. Explore the optional methods which can enhance the performance.. OFDMA IN 8
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1. OFDMA IN 802.16d
2. Objectives Understand the OFDMA Physical layer features in 802.16d.
Discover the ways in which subcarriers are allotted to users in OFDMA-802.16d.
Get to know the important medium access control operations in 802.16d.
Explore the optional methods which can enhance the performance.
4. OFDMA Parameters in 802.16d – Frequency Domain View
5. OFDMA Parameters in 802.16d – Time Domain View
6. Handling Multiple Users in 802.16d OFDMA
7. Important Subchannel Allocation Schemes
8. Downlink PUSC
11. Downlink PUSC – Allocation of Groups to Cells
12. Downlink PUSC – Formation of Subchannel and Slots
13. Uplink PUSC – Concept of Tiles
14. Uplink PUSC – Subchannels from Tiles
15. Downlink FUSC – Subcarriers to Subchannels
17. Downlink FUSC sub channel example
18. DL FUSC Subchannels for 2 different cell IDs
19. DL FUSC Subchannels for 2 different cell IDs