Introduction and Conventions This standard specifies EGPRS-136 mobile station functions related to mobility management. Familiarity with the following concepts will aid understanding of this document: ? GMM (General Packet Radio Service Mobility Management) as specified in ETSI TS 124 008 [5]. ? DCCH (Digital Control Channel) layer 3 as specified in TIA/EIA-136-123 [11]. Note the following conventions: ? Booleans are capitalized. ? Conditions are italicized. ? Inter-entity primitives are capitalized. ? Messages and message fields are italicized. ? Parameters are italicized. ? Procedures are italicized. ? States machine states are capitalized. ? Unless otherwise specified@ all lengths are in bits.