System Architecture for Autonomously Reconfigurable Heterogeneous Mobile Radio Systems
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1 System Architecture for Autonomously Reconfigurable Heterogeneous Mobile Radio Systems Zachos Boufidis Eleni Patouni Nancy Alonistioti, Greece 1
2 Scope & Vision (1) Cognitive Reconfigurable Next-Generation Networks Heterogeneous multi-radio systems coupled with all-ip core networks integrating software/cognitive radio & selfware capabilities 2
3 Scope & Vision (2) A. RAT/RAN evolution IEEE: WPAN ( a, ), WLAN (802.11a/g/n), WMAN (802.16a/d/e/h (MAX)), WRAN (802.22), SDR/CR-oriented standards (P1900), interoperability considerations for handover between heterogeneous networks ( MIH) ArrayComm s i-burst, Flarion s FLASH-OFDM, DoCoMo Gbps downlink packet transmission in field experiments HSDPA, E-UL, MBMS, Super 3G 3GPP L: higher data rates with reduced latencies, increased spectral efficiency, lower power consumption at the, multi-rat support, self-configuring RANs, and flexible functional split between RAN and CN B. CN Evolution & Service Domain 3GPP SAE: efficient network access selection according to operator policies and user preferences, inter-access mobility, benefit from the support of reconfigurable radio interfaces in the terminal 3GPP IMS: session-based CN architecture using SIP: considered as the next-generation CN paradigm for service provision to wireless devices ETSI TISPAN: system enhancements to IMS for fixed broadband access Network attachment (NASS), Resource and admission control (RACS), Emulation of legacy systems (PSTN/ISDN), Core IMS C. Software-Defined Radio & Cognitive Radio SDR Forum: set of requirements/steps for downloading radio software to Dynamic Spectrum Access & Exchange D. Plane Mgmt = ITU-T TMN FCAPS Faults/Configuration/Accounting/ Performance/Security Usually network-initiated Autonomics = S-CHOP Self-Configuration/Healing/Optimization/Protection 3
4 System Architecture (1) End-to-end reconfiguration Reconfiguration: A set of policy-driven tasks for modifying the operation of a system, network node or, or functional entity End-to-end notion: user and control plane interactions may occur from source to destination => Should be coordinated by a cohesive support plane Reconfiguration Plane (RMP): Coordinated control, management, and OA&M functions for => governing the interactions between the involved entities Selfware Reconfiguration & Control Plane Knowledge & context management orchestrating the decision-making coordinating the enforcement of reconfiguration mechanisms Decision-making & reconfiguration management Enabler of autonomously reconfigurable elements => Target mid-term reconfigurable elements:, BS self-generated policies based on context, peer-to-peer-style-controlled (3GPP: -PCRF), service-based locally-enforced reconfiguration strategies and policy rules Self-configuration & self-management Cognitive service provision 4
5 System Architecture (2) RMP Functional Model Selfware Reconfiguration & Control Plane Knowledge & context management Decision-making & reconfiguration management Self-configuration & self-management Cognitive service provision Knowledge & Context Performance (PeM) Profile (PrM) Resource (RsM) Decision-Making and Reconfiguration Autonomic Decision-Making (ADM) Reconfiguration (RM) Policy- and Self-Governance (PMSG) Self-Configuration & Self- Self-Configuration (SeCo) Cognitive Self-Healing (CoSH) Software Download (SDM) Pervasive Access and Security Control (PASeC) Reconfiguration Charging Control (RCC) Cognitive Service Provision Content and Service Adaptation (CSA) Reconfiguration Services Discovery (RSD) 5
6 System Architecture (3) Overall Functional Model & Reference Points Control functions functions CSA PeM RSD PrM PMSG ADM & RM CoSH SDM SeCo PASeC RCC RsM MM JRRM DNPM CPC-C SAM SEM Legend ADM&RM CoSH CPC-C CSA DNPM JRRM MM PASeC PeM PMSG PrM RCC RSD RsM SAM SDM SeCo SEM STM Autonomic Decision-Making & Reconfiguration Cognitive Self-Healing Cognitive Pilot Channel Controller Content and Service Adaptation Dynamic Network Planning and Joint Radio Resource Manager Mobility Pervasive Access and Security Control Performance Policy and Self-Governance Profile Reconfiguration Charging Control Reconfiguration Services Discovery Resource Spectrum Allocation Manager Software Download Self-Configuration Spectrum Economic Manager Spectrum Trading Manager Traffic Estimator STM 6
7 ETSI TISPAN NGN Potential Standardisation Network Attachment Subsystem Gm If Sh UPSF «Core IMS» P-CSCF Gq Cx Mw Mw ISC AS I/S-CSCF Mr Mi Dx MRFC Mp MRFP Dh SLF BGCF Mg T-MGF IP Transport (Access and Core) Mj Rf /Ro Resource and Admission Control Subsystem Mk MGCF Mn Rf/Ro Mw/Mk/Mm Ie Mk SGF Charging Functions PSTN/ISDN Ia IWF Ib IBCF Id I-BGF Ic Other IP Networks WLAN MSC/VLR Iu Uu UTRAN Wu WLAN D Gs Iu PDG E-Node B SGSN Gr Gn SDS HSS Gc GGSN PDN Gi Gi/Gmb BM-SC Mm IMS Gmb Gi/Mb Gi /Gi Data Switching DPF RSS Reconfiguration Support Subsystem Mode Negotiation Control RCF RSCF DSCF RR-LAF PCF PRCF DR-LAF Intermediary Reconfiguration RMF ASMF BAMF SMF PQMF PMF DMF Legacy & OAM All-IP CN Core IMS NASS TISPAN NGN RACS PES PRR PQR Legacy Signalling and Data Transfer Interface New User Plane Interface Mode Negotiation Control Interface Intermediary Reconfiguration Interface Proposal of a network Reconfiguration Support Subsystem (RSS) Objective: Move next-generation capabilities and intelligence from edges to the core, fostering IMS facilities for integrating future access technologies/networks Captures parts of the overall SA Interfaces with the NASS, RACS, and Core IMS 7
8 Conclusions Multi-plane-based modelling Independent evolution paths and refinements to the legacy C- and M-planes Gradual introduction of reconfiguration capabilities as plug-and-play feature ETSI TISPAN NGN: subsystem-oriented approach General protocol model for UTRAN: Transport Network Control Plane: mediates between C- and U-plane IETF FORCES: user and control element separation Radio Network Layer Transport Network Layer Control Plane Application Protocol Transport Network User Plane Transport Network Control Plane ALCAP(s) User Plane Data Stream(s) Transport Network User Plane 3GPP SAE: Proposals to decouple user from control plane Signalling Bearer(s) Signalling Bearer(s) Data Bearer(s) IMS: new user/control plane subsystem for IM services Physical Layer Whether RSS interfaces are implemented or not shall have limited impact on other NGN subsystems => 3GPP: optional Gs interface RSS procedures can be seamlessly supported in Iu mode => CAMEL procedures during location management procedures Alternatively: new Network Operation Modes (NOMs) can be proposed (NOM IV, V, etc.) => for optional interfacing RSS functions to the TISPAN NGN subsystems, 3GPP entities (S/GGSN, IMS, BM-SC, WAG/PDG) and 3GPP L/SAE entities 8
9 Thank You Control functions functions CSA PeM RSD PrM PMSG ADM & RM CoSH SDM SeCo PASeC RCC RsM MM JRRM DNPM MSC/VLR D Gs Iu Uu Iu WLAN UTRAN Wu WLAN PDG E-Node B SGSN HSS Gc Gr GGSN Gn SDS PDN Gi/Gmb Gi BM-SC Mm IMS Gmb Gi/Mb Gi /Gi Data Switching DPF RSS Reconfiguration Support Subsystem Mode Negotiation Control RCF RSCF DSCF RR-LAF PCF PRCF DR-LAF Intermediary Reconfiguration RMF ASMF BAMF SMF PQMF PMF DMF Legacy & OAM CPC-C SAM STM SEM All-IP CN Core IMS NASS TISPAN NGN RACS PES PRR PQR Legacy Signalling and Data Transfer Interface New User Plane Interface Mode Negotiation Control Interface Intermediary Reconfiguration Interface Zachos Boufidis Eleni Patouni Nancy Alonistioti, Greece boufidis@di.uoa.gr elenip@di.uoa.gr nancy@di.uoa.gr 9
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