User's Manual

Hi-G-Tek Ltd. Microelectronics & Asset Tracking Technology
52
5
System
Table 5.1 Number of retries within the Random Access Window
When there are a certain number of seals in the Reader's receiving
zone, probability calculations show that more than one Seal
Transmission is required to obtain a complete result.
The following table demonstrates the number of retransmissions
required for different situations.
# Of seal slots (Ts)
Max
# of
Seals
Min #
of
Reader
Sessions
30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230
240 250
1 4 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2
2 2
2
2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1
1 - 9 6 5 5 4 4 4 4 4 4 4 4 3 3 3 3 3 3 3 3
3 3
3
2 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
2 2
1 - - - - 10 6 6 6 5 5 5 4 4 4 4 4 4 4 4 4 4
4 4
4
2 - 4 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
2 2
1 - - - - - - - 8 7 7 6 6 6 6 5 5 5 5 5 4 4
4 4
5
2 - - 5 4 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2
2 2
1 - - - - - - - - - 10 8 8 8 6 6 6 6 6 5 5 5
5 5
6
2 - - - 5 4 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2
2 2
1 - - - - - - - - - - - - 9 8 8 7 6 6 6 6 6
6 5
7
2 - - - - 6 5 4 4 3 3 3 3 3 3 2 2 2 2 2 2 2
2 2
1 - - - - - - - - - - - - - - - 10 8 8 7 7 6
6 6
8
2 - - - - - - 5 5 4 3 3 3 3 3 3 3 3 3 3 2 2
2 2
1 - - - - - - - - - - - - - - - - - - 9 9 9
8 8
9
2 - - - - - - - 6 5 4 4 4 3 3 3 3 3 3 3 3 3
3 3
1 - - - - - - - - - - - - - - - - - - - - 10
9 9
10
2 - - - - - - - - 7 5 5 5 4 4 4 4 3 3 3 3 3
3 3
2 - - - - - - - - - - 7 6 5 5 4 4 4 4 4 3 3
3 3
12
3 - - - - - - 4 4 3 3 3 2 2 2 2 2 2 2 2 2 2
2 2
2 - - - - - - - - - - - - - 9 7 5 5 4 4 4 4
4 4
14
3 - - - - - - - - 5 4 3 3 3 3 3 2 2 2 2 2 2
2 2
2 - - - - - - - - - - - - - - - - 6 5 5 5 4
4 4
16
3 - - - - - - - - - - 4 4 3 3 3 3 3 3 3 2 2
2 2
2 - - - - - - - - - - - - - - - - - - - 9 7
6 5
18
3 - - - - - - - - - - - 6 4 4 4 3 3 3 3 3 3
2 2
2 - - - - - - - - - - - - - - - - - - - - -
7 6
20
3 - - - - - - - - - - - - - 5 4 4 4 3 3 3 3
3 2
3 - - - - - - - - - - - - - - - - - 5 4 3 3
3 3
25
4 - - - - - - - - - - - - - 4 3 3 3 2 2 2 2
2 2
3 - - - - - - - - - - - - - - - - - - - - -
- 5
30
4 - - - - - - - - - - - - - - - - 4 3 3 3 3
3 2
4 - - - - - - - - - - - - - - - - - - - - 4
3 3
35
5 - - - - - - - - - - - - - - - - 3 3 2 2 2
2 2