March 2003 doc IEEE 802 11 03125 r

March 2003 doc. : IEEE 802. 11 -03/125 r 4 802 Handoff Measurement Considerations + Submission Slide 1 Richard Paine, Boeing

March 2003 Submission doc. : IEEE 802. 11 -03/125 r 4 Slide 2 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 TGh layer management model • Extract from 802. 11 h-D 2. 1. 32, which addresses some measurement extensions for DFS and TPC. SME Channel Switch Timing Measurement Processing MREQUEST /MREPORT MEASURE CHANNEL SWITCH MLME Measurement Policy Channel Switch Decision Measurement Frames MREQUEST /MREPORT MLME Measurement Frames MAC Timing Figure 26 – Layer Management Model PLME Submission Slide 3 Richard Paine, Boeing

Measurement Frames MREQUEST /MREPORT Measurement Policy Measurement Processing MEASURE Channel Switch Decision MAC Timing Channel Switch Timing CHANNEL SWITCH SME MLME PLME 11 h MREQUEST /MREPORT SME Measurement Policy MLME Measurement Frames Richard Paine, Boeing Slide 4 Submission doc. : IEEE 802. 11 -03/125 r 4 March 2003

WLAN Context Transfer March 2003 doc. : IEEE 802. 11 -03/125 r 4 Subnet A 802. 11 802. 16 R Subnet B 802. 11 R 802. 11 f Context Blob (Certificates, pre-auth, address, etc) 802. 11 Submission Slide 5 Context Transfer Packet Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 AP Measurements 802. 11 f 802. 11 h Context or Request Blob For Info 802. 11 f Context Blob 10/100 Base. T AP 1 AP Table STA 1 Per STA Table Processor Certs Pre-auth User CIM Schema Qo. S Submission Slide 6 802. 11 f Context Blob Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Card Measurements AP 1 Submission STA 1 Slide 7 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 RRM Big Picture Application Users of Radio Information Upper Layers Presentation Session Users of Radio Information Transport Users of Radio Information IP Users of Radio Information Interface to Upper Layers MAC and PHY Layers Submission MAC Radio Information MAC PHY Radio Information PHY Slide 8 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 RRM Extension Options • RRM blue stars show the likely location of RRM extensions, though RRM pink stars are (remotely) possible. • RRM Applications are outside the 802. 11 specs. PHY SAP RRM Submission PLME SAP SME RRM PLCP PMD SAP RRM MLME PLME RRM Applications (outside 802. 11) PLME SAP RRM MAC RRM MLME SAP MAC SAP PMD Slide 9 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 RRM MAC/PHY Interchanges MAC SAP MAC PHY SAP 11 h Get Req-Air MLME SAP Frame Report Request Reports NDIS Linux RPE Histogram PLME SAP AP 1 PMD SAP Get CCA MGT PLME CCA REQ CCA RCV SME STA 1 PLME SAP PLCP PMD Mgt Frames Beacon on Setup Submission Slide 10 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 MAC/PHY Context 802. 11 f Context Blob 802. 11 h Request for Information SME MLME MAC AP 1 PLCP STA 1 PLME PLCP PLME PMD AP STA 802. 11 h Request for Information SME MLME MAC SMEMLME MAC AP 1 PLCP STA 1 PLME PMD STA 1 Submission STA 1 PLME PMD STA 2 Slide 11 PLCP STA 1 PLME PMD STA 3 PLCP STA 1 PLME PMD STA 4 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 RRM Interface Services Reports from the SME Requests to the SME Requests from SME to MLME Requests from MLME to SME Passing Requests and Receiving Responses Across the PLME SAP Passing Requests and Receiving Responses Across the PMD Information to higher layers with SNMP MIBs Information to higher layers outside SNMP MIBs Submission Slide 12 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Elements of Radio Measurement Base Measurements Per AP Measurements Per STA Measurements Requested Measurements Handoffs to Higher Layers Measurement Policies Measurement Topologies Submission Slide 13 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Base Measurements 1 RSSI 2 Signal Quality 3 RPI Histogram 4 PSNI 5 DR 6 Loading (requested vs served) 7 Transmit Power 8 Link Margin Submission Slide 14 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Per AP Measurements SSID Model # STA Assoc BSS ESS # APs Seen # STA Seen DR Loading Submission Slide 15 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Per STA Measurements SSID Model AP Assoc BSS ESS # APs Seen # STA Seen DR Optimum AP Submission Slide 16 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Requested Measurements Frame Report Request Reports NDIS Linux RPI Histogram Needing Definition: Report Request Frame Report RPI Histogram Reports Linux NDIS SNMP Submission Slide 17 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Handoffs to Higher Layers Interface to Upper Layers MAC and PHY Layers MAC Radio Information MAC PHY Radio Information PHY Needing Definition: NDIS Objects Linux Objects Wind River Objects Submission Slide 18 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Measurement Policies Needing Definition: SME Measurement Policies 11 h Measurement Policies Submission Slide 19 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Measurement Topologies 2 1 3 4 5 Needing Definition: Per BSS Topology Per ESS Topology Per Radio View Topology Submission Slide 20 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Neighbor Definition and Graph • Two APs i and j are neighbors iff – There exists a path of motion between i and j such that it is possible for a mobile STA to – Captures the ‘potential next AP’ relationship – Distributed data-structure i. e. each AP or AS/RS can maintain a dynamic list of neighbo A B A E C E B D D 1 Submission C Slide 21 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Post Authentication and 4 -handshake Accounting Server RADIUS (AAA) Accounting-Request(Start) A Submission B C Slide 22 D E Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Proactive Key Distribution RADIUS Authentication Server (AS) Accounting Server Notify-Request A Submission B Notify-Request C Slide 23 D E Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Proactive Key Distribution Authentication AS Access-Request Accounting Access-Accept(key material) Access-Request A Submission B C Slide 24 D E Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 RRM Services & Paper Topics • Setup Service - beacon • AP MIB Service - Related Configuration and Statistics • AP Measurements Service Outside the MIB (per AP) • STA Measurements Service Outside the MIB (per STA) • Distribution Service of RRM Information to APs and STAs • AP and STA Statistics Gathering Service • Commanded STA Action Service • STA Autonomous Action Service Submission Slide 25 Richard Paine, Boeing

March 2003 doc. : IEEE 802. 11 -03/125 r 4 Future Allocation & Utilization Heavy Use Sparse Use Heavy Use Medium Use Fixed Spectrum Assignments Lead to Inefficient Spectrum Utilization – Opportunities Exist in Time, Frequency, and Geography RF Spectrum Allocated by Policy – Allocations, Assignments, and Incumbents Vary by Country Observations Show Bands of Local Heavy and Sparse Activity - Temporal Usage Characteristics Vary by Band & Service - Potential for Usage Dependent on Incumbent Service & Equipment • Static Spectrum Management is Limited in Its Ability to Improve Slide 26 Richard Paine, Boeing Spectrum Utilization Efficiencies Submission