Power Management - Alvarion BreezeNET PRO.11 Series User Manual

FromDS
This bit is set to 1 when the frame is received from the Distribution System.
More Fragments
This bit is set to 1 when there are more fragments belonging to the same frame
following the current fragment.
Retry
This bit indicates that this fragment is a retransmission of a previously transmitted
fragment. This is used by the receiver station to recognize duplicate transmissions
of frames that may occur when an Acknowledgment packet is lost.

Power Management

This bit indicates the Power Management mode that the station will be in after the
transmission of this frame. This is used by stations which are changing state either
from Power Save to Active or vice versa.
More Data
This bit is used for Power Management as well as by the AP to indicate that there
are more frames buffered for this station. The station may decide to use this
information to continue polling or even changing to Active mode.
WEP
This bit indicates that the frame body is encrypted according to the WEP algorithm
Order
This bit indicates that this frame is being sent using the Strictly-Ordered service
2
class .
2
The Strictly-Ordered Service Class is defined for users that cannot accept change of ordering between Unicast
Frames and Multicast Frames (ordering of Unicast frames to a specific address is always maintained). The only
known protocol that would need this service class is DEC's LAT.
BreezeNET PRO.11
9-41
Appendix
User's
Guide