When Subscriber Station (SS) wants to join a WiMAX in point-to-multipoint (PMP) network, it must follow a set of procedure as IEEE 802.16 Standard. The set of essential routine steps is as outlined below:
1. Scan for downlink channel and establish synchronization with the BS.
2. Acquire transmit parameters.
3. Perform ranging.
4. Negotiate basic capabilities.
5. Authorize subscriber station and perform key exchange.
6. Perform registration.
7. Establish IP connectivity.
