1. Proposal – Supported Radio Resource Measurement Bitmask IE
Month Year
November 2005
July 2007
Proposal – Supported Radio Resource Measurement Bitmask IE
Authors:
Date:
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Ganesh Venkatesan, Intel Corporation
Emily Qi et al

2. Month Year
November 2005
July 2007
Abstract
This document is a submission for Supported Radio Resource Measurement Information Element. Corresponding normative text is in document 07/xxxxr0.
This proposal addresses CID #12 (LB96#25-Palm):There are too many varied procedures here. It is unlikely that implementations will implement all of the procedures. Each of the supported procedures/reports should be seperately indicated and negotiated
Ganesh Venkatesan, Intel Corporation
Emily Qi et al

3. Rationale 802.11k is a collection of measurement tools
July 2007
Rationale
802.11k is a collection of measurement tools
Some measurements require additional resources and devices may choose not to implement them
When a device advertises support for k (dot11RadioMeasurementEnabled is TRUE), it is not clear what RRM is supported and what is not supported
A STA will have to send one or more measurement requests and analyze the received reports to comprehend what the measuring STA is capable of
A simple method is to advertise supported measurements via a Supported RRM Bitmask IE
Ganesh Venkatesan, Intel Corporation

4. Supported RRM Bitmask IE
Month Year
November 2005
July 2007
Supported RRM Bitmask IE
Bits in the IE Indicate which of the RRMs are supported by the STA
MIB attribute dot11RadioMeasurementEnabled = TRUE means
Capability Information Field:12 is set
that the STA is capable of receiving a RRM request and respond to it
Is present in Probe Request, Probe Response, [Re]Association Request and [Re]Association Response if dot11RadioMeasurementEnabled is TRUE
Adds 5 octets to the above frames
Ganesh Venkatesan, Intel Corporation
Emily Qi et al

5. Supported RRM Bitmask IE (Octet-1)
July 2007
Supported RRM Bitmask IE (Octet-1)
Bit Position
Measurement
Annex-A entry
Link Measurement
2.3, 2.4 1
Neighbor Report
2.5, 2.6, 12 2
Parallel Measurements
3.1 3
Enable bit
3.2 4
Autonomous Reports
3.3 5
Duration Mandatory
3.4 6
Repeated Measurements
3.7 7
Measurement Pause
3.8
Ganesh Venkatesan, Intel Corporation

6. Supported RRM Bitmask IE (Octet-2)
July 2007
Supported RRM Bitmask IE (Octet-2)
Bit Position
Measurement
Annex-A entry 8
Beacon Measurement (passive)
4.2 9
4.3 10
4.4 11
Frame Measurement 5 12
Channel Load 6 13
Noise Histogram 7 14
Statistics 15
LCI Measurement
Ganesh Venkatesan, Intel Corporation

7. Supported RRM Bitmask IE (Octet-3)
July 2007
Supported RRM Bitmask IE (Octet-3)
Bit Position
Measurement
Annex-A Entry 16
Transmit Stream/Category 10 17
AP Channel Report 11 18
RCPI Measurement 13 19
RCPI with Active Scanning 14 20
RSNI 15 21
Power Capability in [Re]Association Element 22
MIB 23
Measurement Pilot
Ganesh Venkatesan, Intel Corporation

8. Supported RRM Bitmask IE (Octet-4)
July 2007
Supported RRM Bitmask IE (Octet-4)
Bit Position
Name
RRM (Annex-A) 24
Beacon, Probe Response has :
16.1
Country and TPC Information 25
Power Constraint Element
16.2 26
BSS Average Access Delay 20 27
Antenna Information 21 28
Measurement Pilot Tx Information 22 29
BSS Available Admission Capacity 30
BSS AC Access Delay 31
Quiet Interval 23
Ganesh Venkatesan, Intel Corporation

9. Supported RRM Bitmask IE (Octet-5)
July 2007
Supported RRM Bitmask IE (Octet-5)
Bit Position
Measurement
Notes 32
Support Measurements in non-operating channel
13-36
Maximum Measurement Duration
Interpreted only if Bit-5 is zero. Value = 0 indicates that there are no limits on measurement duration. Duration in TUs.
37-39
Reserved
Ganesh Venkatesan, Intel Corporation

10. Supported RRM Bitmask IE (format)
Month Year
November 2005
July 2007
Supported RRM Bitmask IE (format)
Slide-5
Slide-6
Slide-7
Slide-8
Slide-9
Octet 1 2 3 4 5
Ganesh Venkatesan, Intel Corporation
Emily Qi et al

11. Normative Text Changes
July 2007
Normative Text Changes
Minimal change to the amendment:
Define Radio Resource Measurement Capability IE
Add the IE to Probe Request, Probe Response, Association Request and Reassociation Request frames
Fix Clause to describe the semantics of the bits in the Capability IE:
bit set implies that the station will never respond (for the duration of the current association) to the request with a report indicating that it is ‘incapable’ of performing the measurement.
A STA receiving a measurement request that it advertises to support in the Capability IE can always respond with a report indicating that it is ‘refusing’ to perform the measurement.
Fix Annex-A
Ganesh Venkatesan, Intel Corporation

12. July 2007
Feedback?
Ganesh Venkatesan, Intel Corporation