Figure 4-6: Uplink And Downlink Scheduled Transmissions - Alvarion BreezeMAX 3500 System Manual

Chapter 4 - Operation and Administration
NOTE
Retransmission Rate is defined as:
100*Bytes Retransmitted/ (Unicast Bytes Transmitted to Wireless)
Note that unacknowledged bytes are retransmitted only if ARQ is enabled. Retransmission is
applicable only for information transmitted using either Best Effort (BE) or Non Real Time (NRT)
Quality of Service.
4.9.6.4.2 Burst Error Rate Counters
Data is transmitted in bursts, as described in the following figure
b urst includes a CRC string.
DL
DL
first
burst
MAP
MAINT Period
UL

Figure 4-6: Uplink and Downlink Scheduled Transmissions

In the downlink, each burst uses a single rate and may include data intended for
several SUs. In the uplink, each burst is from a different
rate).
The Burst Error rate Counters option enables viewing or resetting the uplink
Bu rst Error Rate counters. The information displayed for ea
the accumulated number since the last time the counters were reset. For each
rate the displayed information includes:
Total Burst
Error Bursts
Error Rate
The counters are reset each time the
option.
4.9.6.5 Delete
Thi s option enables deleting the selected SU from the database.
148
DL Burst 2 DL Burst 3
UL UL
Burs Burst
t 2 3
Unicast Scheduled period
DL burst 4 DL burst 5
UL UL Contention
Burst burst
3 4
Multi cast Scheduled period
SU (also using a single
SU is reset, or upon activating the Reset
BreezeMAX System Manual
, where each
MA
period
ch rate in uplink is