【正文】 mbly of frames ? SAPs ? RMC_LAPDM_SAP – RMC ? LAPDM_MPAL_SAP – MPAL ? Source ? mcu/ps/rr/lapdm ? Mobile Physical Abstraction Layer – Adaptation to L1 ? SAPs – RRM_MPAL_SAP – RRM – RMPC_MPAL_SAP – RMPC – MAC_MPAL_SAP – MAC ? Source – mcu/ps/rr/mpal RRMPAL (6/10) RR RLC (7/10) ? Radio Link Control ? Request TBF establishment or release ? Segmentation of LLC PDUs ? Acknowledged/Unacknowledged data transfer ? SAPs ? LLC_RLC_SAP – LLC ? RLC_REASM_SAP – REASM ? RLC_MAC_SAP – MAC ? RLC_RMPC_SAP – RMPC ? Source ? mcu/ps/rr/rlc ? Reassemble – To put non realtime constraint task into another Task – Re assemble Downlink RLC/MAC blocks ? SAPs – LLC_RLC_SAP – LLC – RLC_REASM_SAP – REASM ? Source – mcu/ps/rr/rlc Reasm (8/10) RRMAC (9/10) ? Medium Access Control ? Handling TBF establishment and release ? Transfer or receive RLC data blocks ? Handling control messages received on PACCH ? Packet Resource Request, Packet PDCH release and etc… ? Forward PMO or PCCO to RMPC ? Handling PSI messages received on PACCH ? Sending Packet Measurement Report on PACCH ? SAPs – RLC_MAC_SAP – RLC – MAC_RMPC_SAP – RMPC – MAC_MPAL_SAP – MPAL ? Source – mcu/ps/rr/mac RRMAC (10/10) Outline ? GSM/GPRS Protocol Stack Architecture ? Common Procedures ? Power On ? Location Update ? MO call ? GPRS Attach ? PDP context Activation ? TBF Operation Power On Procedure ? Condition ? Power on by long press Power key ? All tasks are created and initialized when the target is powered, but only if “l(fā)ong” press was detected, power on procedure will begin ? Players ? SIM, L4 ? NVRAM, MM, RR Power On 1 Read all necessary EFs Power On 2 Read NVRAM via L4C If Not Flight Mode Power On 3 Read IMEI, MSCAP, etc. Read from NVRAM Search Any Cell Power On 4 Read all security record from NVRAM Check Phone Lock Start SIM Driver Power On 5 Input PIN Personalization Lock Handling Power On 6 Initialize SMS Service Parameter Read LDN Power On 7 Read all EFs for MM/RR Search Normal Service Power On 8 Read SMS Location Update ? Condition ? A suitable cell was found when power on PLMN selection ? Players ? MM, RR ? L4C, RAC Location Update 1 Location Update 2 Location Update 3 MO call ? Condition ? A normal service cell is campedon ? Players ? L4C, CSM, CC, MM, RR ? MMI, UEM, PHB MO call 1 Check ECC amp。current_ilm)。 process_ilm(amp。current_ilm)) { process_ilm(amp。 free_ilm(a