User's Guide Part 2

Managing performance Chapter 6 Operation
phn-0896_009v003
6-122
UNDER DEVELOPMENT
Feb 2010
Link Symmetry
Link Symmetry: A ratio that expresses the division between transmit and receive time
in the TDD frame. The first number in the ratio represents the time allowed for the
transmit direction and the second number represents the time allowed for the receive
direction.
Link Capacity
The maximum aggregate data capacity available for user traffic under the current
radio link conditions, assuming the units have been connected using Gigabit Ethernet.
The sum of the displayed Transmit and Receive data rates may be lower than this
figure if the link isn't fully loaded by the current traffic profile.
Transmit Modulation Mode
The modulation mode currently being used on the transmit channel. The number in
brackets after the modulation mode and coding rate string is the effective data rate
available to all MAC layer protocols. List of all the modulation modes can be found in
Data rate calculations on page 4-99, wh
ere data rate calculations plots are given for
each available modulation mode.
Receive Modulation Mode
The modulation mode currently being used on the receive channel. The number in
brackets after the modulation mode and coding rate string is the effective data rate
available to all MAC layer protocols. List of all the modulation modes can be found in
Data rate calculations on page 4-99, wh
ere data rate calculations plots are given for
each available modulation mode.
Receive Modulation Mode Detail
This supplies the user with information regarding the receive modulation mode in use.
Possible values are:
o “Running at maximum receive mode”
o “Running at user-configured Target Modulation Mode”
o “Restricted because Installation is armed”
o “Restricted because of byte errors on the wireless link”
o “Restricted because a DFS channel change is in progress”
o “Restricted due to the low Ethernet link speed”
o “Limited by the radio conditions”
Wireless Link Availability
Expresses the link availability as a percentage of time since the first successful
registration after a system restart, expressed as a percentage to four decimal places.