Radio Measurement Control Flow

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Presentation transcript:

Radio Measurement Control Flow August 2002 Radio Measurement Control Flow Tim Olson (Cisco Systems) 13 January 2003 Tim Olson, Cisco Systems Daryl Kaiser, Cisco Systems

Radio Measurement Control Flow August 2002 Radio Measurement Control Flow Define STA measurement control flow the same for APs and client stations Provide measurement access to higher level management entities via the SME layer Leverage TGh measurement architecture STA stores local measurement results and requested peer results in MIB parameters Tim Olson, Cisco Systems Daryl Kaiser, Cisco Systems

Measurement Control Path August 2002 Measurement Control Path Control path symmetric for all stations (AP and client) Measurement access in SME provided by SNMP SNMP Set SNMP Set SNMP Get SNMP Get SME MLME MREQUEST MEASURE MREPORT MIB SME MLME MREQUEST MEASURE MREPORT MIB Action Frames Measurement Request Measurement Report STA A STA B Tim Olson, Cisco Systems Daryl Kaiser, Cisco Systems

Measurement Message Flow August 2002 Measurement Message Flow IEEE 802.11 STA A IEEE 802.11 STA B SME MLME MLME SME SNMP-Set.MREQUEST MLME-MREQUEST.req Measurement Request frame MLME-MREQUEST.ind MLME-MREQUEST.cfm MLME-MEASURE.req Measurement process MLME-MEASURE.cfm MLME-MREPORT.ind Measurement Report frame MLME-MREPORT.req MLME-MREPORT.cfm SNMP-Get.MREPORT Tim Olson, Cisco Systems Daryl Kaiser, Cisco Systems

Measurement Control Path Scenarios Measure peers via AP Measure at AP locally SNMP-Set.MREQUEST SNMP-Set.MREQUEST SNMP-Get.MREPORT SNMP-Get.MREPORT Measure at client locally Measure peers via client SNMP-Set.MREQUEST SNMP-Set.MREQUEST SNMP-Get.MREPORT SNMP-Get.MREPORT Tim Olson, Cisco Systems

Save Measurement Results in MIB 802.11 STA Locally measured information stored under a local MIB area Peer measurement information stored in per peer STA MIB area SME MIB MIB MLME Tim Olson, Cisco Systems