User guide

March 2005 Understanding Canopy Networks
Through Software Release 6.1
Page 66 of 425 Issue 1
Canopy System User Guide
Hardware scheduling always sends high-priority traffic first, even to the exclusion of other
traffic.
With hardware scheduling………..
−
Figure 28: Canopy channel, 75%downlink, 40% high priority (HP) in uplink, hardware scheduling
IMPORTANT!
With Hardware Scheduling, the number of channels available to the AP
is reduced by the number of SMs configured for the High Priority
channel. With this feature enabled on all SMs, an AP can support only
100 SMs (instead of 200).
IMPORTANT!
In a Canopy BH link with Canopy T1/E1 Multiplexers, the BHs must be
configured for an uplink/downlink ratio of 50% uplink/50% downlink.
The Canopy T1/E1 Multiplexers are full duplex.
The differences between hardware and software scheduling in a Canopy sector are
summarized in Table 16.
Beacon
0 – 10
Cont.
Data
AP Transmit (Downlink) AP Receive (Uplink)
Data
0 – 9
Ack
UL
Sched
0 – 9
Ack