Event reporting

4.3.13.8 Event reporting

Event requests enable a STA to request a non-AP STA to send particular real-time event messages. The
types of events include Transition, RSNA, WNM Log, and Peer-to-Peer Link events. A transition event is
transmitted after a non-AP STA successfully completes a BSS Transition. Transition events are used to
diagnose transition performance problems. An RSNA event report describes the type of Authentication used
for the RSNA. RSNA events are used to diagnose security and authentication performance problems. A
WNM Log event report enables a non-AP STA to transmit a set of WNM Log event messages to the
requesting STA. WNM Log event reports are used to access the contents of a STA’s WNM Log. A Peer-to-
Peer Link event report enables a non-AP STA to inform the requesting STA that a Peer-to-Peer link has been
established. Peer-to-Peer Link event reports are used to monitor the use of Peer-to-Peer links in the network.

4.3.13.9 FMS
The flexible multicast service enables a non-AP STA to request an alternate delivery traffic indication map
(DTIM) delivery interval for one or more sets of group addressed streams that the non-AP STA receives.
This enables the non-AP STA to wake up at the alternate DTIM interval rather than every DTIM and enables
significant power saving when a non-AP STA receives group addressed traffic. The FMS also enables a
STA to establish a data rate and delivery interval for group addressed traffic higher than the minimum data
rate available.
Delivery of group addressed data to power saving STAs using a DTIM beacon is described in 10.2.1.4.
4.3.13.10 Location services
Location Configuration Request and Response frames enable STAs to configure a collection of location
related parameters for Location Track Notification frames. The AP can indicate that it can provide location
data to support applications such as emergency services. Location services also provide the ability for STAs
to exchange location information using Radio Measurement Request and Report frames. The protocol
supports exchange-by-value and exchange-by-reference mechanisms. The location value can be exchanged
in Geospatial (LCI) and Civic formats. The location reference is a URL that defines from where the location
value is retrieved.
4.3.13.11 Multicast diagnostic reporting
Multicast diagnostic reports enable a non-AP STA to report statistics for multicast traffic it received from a
transmitting STA. This can be used by an AP to measure quality of multicast reception by a non-AP STA.
4.3.13.12 Multiple BSSID capability
The Multiple BSSID capability enables the advertisement of information for BSSIDs using a single Beacon
or Probe Response frame instead of multiple Beacon and Probe Response frames, each corresponding to a
single BSSID. The Multiple BSSID capability also enables the indication of buffered frames for multiple
BSSIDs using a single TIM element in a single beacon.
4.3.13.13 Proxy ARP
The Proxy ARP capability enables an AP to indicate that the non-AP STA does not receive ARP frames.
The Proxy ARP capability enables the non-AP STA to remain in power save for longer periods of time.
4.3.13.14 QoS traffic capability
QoS traffic capability procedures enable the QoS STA to indicate that it is capable of transmitting traffic
belonging to the corresponding user priority (UP) from applications that require generation of such traffic.
The QoS Traffic Capability might be used for example as an input to estimate the blocking probability of a
voice application based on the number of voice capable non-AP STAs.
4.3.13.15 SSID list
The SSID List element enables the non-AP STA to request information on a list of SSIDs. This is intended
to reduce the number of Probe Request frames sent by the non-AP STA.
4.3.13.16 Triggered STA statistics
The Triggered STA Statistics reporting capability enables generation of a STA statistics report (see 4.3.8.9)
when the statistics of interest reach a predefined threshold.