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Cep Terminals GSM/GPRS TERMINAL CT63 JAVA 6203 User Manual

Product codes
6203
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Page of 109
Java User’s Guide
5.12 Performance
39
wm_java_usersguide_v19
Page 37 of 109
2012-01-27
Confidential / Released
5.12.3.4
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The ME supports up to four uplink time slots for GPRS and up to two for EGDE. The Java ap-
plication receives data over RS232 API and sends them over GPRS to a server.
Table 1:  GPRS upload data rate with different number of timeslots, CS2
Upload 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. 
Value
% 
from 
theor. 
Value
4
time-
slots
theor. 
Value
% 
from 
theor. 
Value
9 12 75%
15 
24
63%
20 
36
55%
16 
48
33%
Table 2:  GPRS upload data rate with different number of timeslots, CS4
Upload 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. 
Value
 
% 
from 
theor. 
value
13
20
65%
22 40
55%
20
60
33%
13 80
16%
Table 3:  EDGE upload data rate with two timeslots, CS5
Upload data rate with x timeslots
Coding scheme 5
[kbit/s]
2 timeslots
theor. 
Value
1
1.
net transmission rates for LLC layer
% from theor. 
Value
33 44 
73%
Table 4:  EDGE upload data rate with two timeslots, CS9
Upload data rate with x timeslots
Coding scheme 9
[kbit/s]
2 times-
lots
theor. 
Value
1
 
1.
net transmission rates for LLC layer
% from theor. 
Value
72
118
61%