1. Media Independent Coexistence
Feb 2009
doc.: IEEE 802
Feb. 2009
Media Independent Coexistence
Date:
Authors:
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Juan Carlos Zuniga, InterDigital
Juan Carlos Zuniga, InterDigital

2. 802.21: Media Independent (MI) Services
Feb 2009
doc.: IEEE 802
Feb. 2009
802.21: Media Independent (MI) Services
802.21: MI Handover services
802.21a: Security for MI services
802.21b: Extensions for MI downlink only technologies
802.21c(?): MI emergency services
802.21d(?): MI power management for multi-RAT devices
is not just for handover anymore!
does MI information sharing for coordination of services across RAT boundaries.
architecture and defined interfaces are ideal for whitespace coexistence coordination and spectrum management.
Between incumbents and unlicensed users (access to FCC dbase)
Among unlicensed users: RAT, location, frequency, time info coordination
Between 802 users and non-802 users: new interfaces may be added
Juan Carlos Zuniga, InterDigital
Juan Carlos Zuniga, InterDigital

3. Media specific Interfaces for Handover
Feb. 2009
Media specific Interfaces for Handover
MIH Protocol (MAC independent messages) defined in
Container for MIH messages for defined in u
Container for MIH messages for defined in g
Working with 3GPP-SAE for 3GPP specific changes
Transport for MIH Protocol defined in IETF (MIPSHOP)
Media specific changes closely follow base protocol
Juan Carlos Zuniga, InterDigital

4. Media specific Interfaces for Coexistence
Feb. 2009
Media specific Interfaces for Coexistence
MIC (Media Independent Coexistence) Measurements, Triggers, Network Information
802.22x for
MIC Protocol (MAC independent messages) defined in new x
Container for MIC messages for defined in u
Container for MIC messages for defined in g
Container for MIC messages for to be defined in x
Containers for MIC messages for non-802 users possible
Transport for MIC Protocol to be defined in IETF (MIPSHOP)
Media specific changes closely follow coexistence
protocol defined in new coexistence coord standard
Juan Carlos Zuniga, InterDigital

5. IEEE 802.21: reference model for MIH
Feb. 2009
IEEE : reference model for MIH
One Media Independent Handover Function (MIHF) with 3 SAPs:
MIH SAP (media independent)
MIH Link SAP (media dependent)
MIH Net SAP (for remote transport)
MIHF provides three services
MIH SAP
Link Layer
(e.g., 802.3, ,
802.16, 3GPP)
Link SAP
MIH Users
(Handover Policy,
L3 or higher
mobility protocol,
etc.)
MIH LINK SAP
MIH NET SAP
L3 transport
L2 transport
Remote
MIHF
Media Independent
Handover Function
(MIHF)
(1) MIH Event Service
(2) MIH Command Service
(3) MIH Information Service
Juan Carlos Zuniga, InterDigital

6. IEEE 802.21: reference model for Coexistence
Feb. 2009
IEEE : reference model for Coexistence
One Media Independent Coexistence Function (MICF) with 3 SAPs:
MIC SAP (media independent)
MIC Link SAP (media dependent)
MIC Net SAP (for remote transport)
MICF provides three services
MIC SAP
Link Layer
(e.g., 802.3, ,
802.16, 3GPP)
Link SAP
MIC Users
(Coexistence Policy,
L3 or higher
mobility protocol,
etc.)
MIC LINK SAP
Remote MICF
(Spectrum Manager)
Media Independent
Coexistence Function
(MICF)
MIC Event Service
(for environment sensing
messages)
(2) MIC Command Service
(for User changes/dbase queries)
(3) MIC Information Service
(for push/pull dbase access)
L3 transport
MIC NET SAP
MIC NET SAP
L2 transport
Juan Carlos Zuniga, InterDigital

7. 802.21 Handover Services Feb. 2009 MIH Function MIH Function
Higher Layer
Transport
Higher Layer
Transport
MIH
Higher Layer
Transport
MIH
Higher Layer
Transport
MIH
Higher Layer
Users
Users
Higher Layer
Users
Transport
Transport
Information Repository
MIH Function
MIH Function
MIH Function
3GPP /
3GPP2
3GPP/
MGMT
DATA
DATA
MGMT
3GPP2
Network
Interface
802 Interface
802 Interface
Multi RAT Mobile Node
802 Network
Legend
MIH Message Transport
MIH Local Interface
Juan Carlos Zuniga, InterDigital

8. 802.21 MI Coexistence Services
Feb. 2009
MI Coexistence Services
Higher Layer
Transport
Higher Layer
Transport
MIC
Higher Layer
Transport
MIC
Higher Layer
Transport
MIC
Users
Users
Higher Layer
Users
Transport
Information Repository
MIC Function
(i.e. Spectrum Mgr)
MIC Function
MIC Function
(i.e. Spectrum Mgr)
non-802 Interface
MGMT
DATA
DATA
MGMT
802 Interface
802 Interface
non-802 Network
Multi RAT Mobile Node
802 Network
Could be colocated into
single network server
Legend
MIC Message Transport
MIC Local Interface
Slide 8
Juan Carlos Zuniga, InterDigital