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Java User’s Guide
5.12 Performance
49
s
wm_java_usersguide_v12
Page 48 of 123
2008-02-25
Confidential / Released
The tables below show the download data rates that can be achieved if hardware flow control
is enabled on the CommConnection interface and the port speed is set to 460800. 
Table 5:  GPRS Download data rate with different number of timeslots, CS2
Download data rate with x timeslots
Coding scheme 2
[kbit/s]
1
time-
slot
theor. 
Value
1
1.
net transmission rates for LLC layer
% 
from 
theor. 
Value
2 
time-
slots
theor. 
Value
 
% 
from 
theor. 
Value
3 
time-
slots
theor. 
% 
from 
theor. 
Value
4
time-
slots
theor. 
% 
from 
theor. 
Value
11 12  91%
21 24
87%
29  36
81%
35  48
73%
Table 6:  GPRS Download data rate with different number of timeslots, CS4
Download data rate with x timeslots
Coding scheme 4
[kbit/s]
1
time-
slot
theor. 
Value
1
 
1.
net transmission rates for LLC layer
% 
from 
theor. 
Value
2 
time-
slots
theor. 
Value
 
% 
from 
theor. 
value
3
time-
slots 
theor. 
Value
 
% 
from 
theor. 
value
4
time-
slots
theor. 
% 
from 
theor. 
value
17 20
85%
31 40
78%
35
60
58%
38  80
48%
Table 7:  EDGE Download data rate with different number of timeslots, CS5
Download data rate with x timeslots
Coding scheme 5
[kbit/s]
1 
time-
slot
theor. 
Value
1
 
1.
net transmission rates for LLC layer
% 
from 
theor. 
Value
4
time-
slots
theor. 
Value
 
% 
from 
theor. 
Value
20 22 91%
78 89
87%
Table 8:  EDGE Download data rate with different number of timeslots, CS9
Download data rate with x timeslots
Coding scheme 9
[kbit/s]
1
time-
slot
theor. 
Value
1
 
1.
net transmission rates for LLC layer
% 
from 
theor. 
Value
4
time-
slots
theor. 
Value
 
% 
from 
theor. 
value
50 59
85%
184 
236
77%