Installation Manual

CiscouBR7200 Series Universal Broadband Router Wireless Modem Card and Subsystem Installation and Configuration 61
timeline
ALPHA DRAFT - CISCO CONFIDENTIAL
Example
The following example configures a timeline specification. The collection process starts as soon as
the command succeeds. The inr parameter will be monitored. 640 values will be collected in total.
Of the n tones in a burst, the average value of all the tones (for the burst) is retrieved as one data
sample. Each data sample will be right shifted by 2 bits. 20 successive (right-shifted) data samples
will be added together and reported as one value (of the 640 values in total).
constVarience (Constellation Variance) The average energy of the constellation error signal - the
error between the received (noisy) constellation symbol and the nearest ideal
constellation symbol. Constellation Variance is a measure of the Signal to
Interference + Noise ratio (SINR) for that tone. On a single antenna system, it
represents 1/SINR. On a dual antenna system, it represents a composite value
providing 1/SINR.
timingOffset Represents the histogram of timing delay variations detected in the radio link.
freqOffset This represents the frequency offset calculations made to keep the receive frequency
on a slave radio synchronized with the master radio.
syncStatus Represents the synchronization status.
receivedPower A measure of the analog signal power received by the radio system on a
burst-by-burst basis.
gainSettingsIF Represents the changes in the automatic gain control loop maintained by the
hardware. This may be captured for each antenna and for the intermediate frequency
(IF) module.
gainSettingsRF Represents the changes in the automatic gain control loop maintained by the
hardware. This may be captured for each antenna and for both the intermediate
frequency (IF) and radio frequency (RF) modules.
totalGain Represents the changes in the automatic gain control loop maintained by the
hardware. This may be captured for each antenna.
threshType <{highThreshold | lowThreshold | upChange | downChange | posCrossing |
negCrossing}>
highThreshold An upper limit for the <threshParam> being monitored.
lowThreshold A lower limit for the <threshParam> being monitored.
upChange The positive change limit allowed for the <threshParam> being monitored.
downChange The negative change limit allowed for the <threshParam> being monitored.
posCrossing The limit that the <threshParam> should cross when it is increasing in value.
negCrossing The limit that the <threshParam> should cross when it is decreasing in value.
postTrigBufMgt Specifies the position of the trigger in the data collected. If it is 1, then most of the
data collected prior to the trigger is returned. If it is 2, most of the data returned is
captured after the occurrence of the trigger.