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All IP Reference Model focused on Radio Access Network. 2000. 2. 17 ~18, San Diego. Jaehong Park Ph.D. ,Yeonsang Koo, Inho You, parkjh@hei.co.kr, hwkoo@hei.co.kr, ihyou@hei.co.kr Hyundai Electronics Industry Co., Ltd. Contents. Introduction Approach scheme
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All IP Reference Model focused on Radio Access Network 2000. 2. 17 ~18, San Diego Jaehong Park Ph.D. ,Yeonsang Koo, Inho You, parkjh@hei.co.kr, hwkoo@hei.co.kr, ihyou@hei.co.kr Hyundai Electronics Industry Co., Ltd. SC-AllIP-20000217-015
Contents • Introduction • Approach scheme • Radio Access Network Reference Model I • Radio Access Network Reference Model II. • Radio Access Network Reference Model III • Architecture characteristics of each models • Summary SC-AllIP-20000217-015
Introduction • Most Contributions in All IP NRM have been focused on Core Network • The necessity of investigating Radio Access Network Model in All IP • RAN reference Model regardless of Core Network • Considering All IP RAN Reference Model utilizing legacy functions. • Developing necessary functionality to support the All IP RAN Reference Model SC-AllIP-20000217-015
Approach Scheme Assumption • BSC is removed • BTS is IP node Identificationof necessary functionality • Call Control • Radio Resource Management • Mobility Management • Packet Control Functions Identification of the relationships among the functionality Verification using important scenario flow • Voice Data Traffic • Mobility management Signal • Packet Data Traffic • Call Control Signal • etc. • Radio Resource Assignment Signal Allocation of functionality to physical node SC-AllIP-20000217-015
Radio Access Network Reference Model I Feature Server(s) AH Roaming G/W Legacy Network RMM Mobility Control Function HSS CCFA Vocoder PSTN Network Circuit G/W BTS PF Call Control Function Traffic Signal RRM Internet (Packet Network) Packet G/W Vocoder IP Core Network • AH(Access Handler) • Same as BSC except for the absence of SDU • SDU moves to Circuit G/W connected to PSTN • Function of AH - Radio Resource management - Packet Control Function - CCFA - Mobility Management - Etc (ex: address conversion …) • CCFA(Call Control Function Agent) • Collecting resource status through communicating with RRM & Reporting to CCF • cdma2000 Message transform SC-AllIP-20000217-015
Radio Access Network Reference Model II AH Mobility Control Function Roaming G/W Legacy Network RMM RRM CCFA BTS HSS Vocoder Vocoder PSTN Network Circuit G/W PF AH BTS Feature Server(s) RRM RMM RAN Gateway Internet (Packet Network) Call Control Function Packet G/W CCFA RRM Radio Access Network BTS Traffic Signal IP Core Network • AH • Mobility Management • Call Control Function Agent • BTS • Radio Resource management • RAN Gateway • Packet Control Function • Provide bearer path • Optionally, vocoder in the case of using more than • one vocoding algorithm in the All IP Network SC-AllIP-20000217-015
Radio Access Network Reference Model III BTS CCFA Call Control Function Roaming G/W Legacy Network RMM Mobility Control Function RRM Vocoder PSTN Network PF Circuit G/W DVF Feature Server(s) Vocoder BTS Internet (Packet Network) RAN Gateway Packet G/W HSS BTS Traffic Signal Direct Path (Signal& Data) Radio Access Network IP Core Network • DVF(DiVersity Function) • Frame Selection • RAN Gateway • Packet Control Function • BTS • Radio Resource management • Mobility Management • CCFA SC-AllIP-20000217-015
Architecture Characteristic of each Models SC-AllIP-20000217-015
Summary Focused on RAN Model in all IP NRM Propose an approach scheme for RAN Reference Model Propose the threeRAN Reference Model in All IP NRM Propose several ideas through the Reference Model - Removal of BSC - Distribution functionality to BTS’s. - Location of Vocoder - Introduction of DVF - Function of CCFA - Identification of RAN G/W SC-AllIP-20000217-015