detected) or T3 Wait for expired or T3 AAI_RNG- expired /More ACK or Retrials Allocation A- MAP IE Obtain CDMA Allocation A- MAP IE/ Send AAI_RNG- Wait for (T3 expired and Retrials AAIRNG- Attempted) or (Received RSP with AAI_RNG-RSP(abort)) temporary Obtain AAI_RNG-RSP(success) with Temporary STID / Send AAI_SBC-REQ (T18 expired and Retrials Attempted) or T18 Expired/More Retrials/ Wait f (Received AAI RNG- Send AAI-SBC-REQ AAI_SBC- RSP(abort) from BS) Obtain AAI SBC-RSP and if Authorization/ Obtain Authentication is AAI_SBC-RSP enabled send and if AAI_PKM-REQ Authorization/ Authentication is Authorization (T17 expires and and Key Retrials Attempted) or not enabled, Send AAI_REG- Exchange (Received AAI_RNG- RSP(abort) from BS) Authenticated/ Send AAI_REG-REQ Wait for AAI REG- (T6 expires and Retrials T6 Expired/More Retrials/ RSP with Send AAI_REG-REQ Attempted) or (AAI_RNG- RSP(abort) or AAI RES- CMD from BS Obtain AAI_REG-RSP/ Process AAI_REG-RSP (AAI_RNG-RSP(Abort) or AAI DREG-CMD or Default Service Flow Setup AAI_RES-CMD from BS Network Entry Completed FIGURE 4-12 Initial network entry procedures in the mobile station [1,2] CHAPTER 4 IEEE 802.16m System Operation and State Diagrams Obtained Initial Ranging Code Send AAI_RNG-ACK(continue) Wait for Initial Ranging Obtained Initial Ranging Code Send AAI_RNG-ACK (success) Send CDMA Allocation A-MAP IE Wait for MSranging response AAIRNG- Processing time expired Obtained Initial Ranging Code Send AAI_RNG-ACK(Abort) Obtained AAI_RNG-REQ/ Send AAI_RNG-RSP (success) with temporary STID Obtained AAIRNG-REQ/Process AAI_RNG-REQ re-transmission Send AAI_RNG-RSP Wait for Send AAI_RNG-RSP (success) with (Abort) AAI SBC- temporary STID Authentication successful Obtained AAI_SBC- Send AAI_SBC-RSP Authentication Not Obtained AAI_SBC-REQ/ successful Send AAI_RNG-RSP (Abort) Authorization Obtained AAI_SBC- Process AAI_SBC-REQ and Key re-transmission Exchange Send AAI_SBC-RSP (Send AAI_SBC-RSP) Authentication Successful Send AAI_RNG-RSP (Abort) or AAI_RES-CMD Wait for Authentica