Java User's Guide
5.12 Performance
49
5.12.3.4
Upload
The ME supports up to four uplink time slots for GPRS and up to two for EGDE. The Java appli-
cation 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
theor.
%
1
time-
Value
from
slot
theor.
Value
9
12
75%
1.
net transmission rates for LLC layer
Table 2: GPRS upload data rate with different number of timeslots, CS4
Upload data rate with x timeslots
Coding scheme 4
[kbit/s]
1
theor.
%
1
time-
Value
from
slot
theor.
Value
13
20
65%
1.
net transmission rates for LLC layer
Table 3: EDGE upload data rate with two timeslots, CS5
Upload data rate with x timeslots
Coding scheme 5
[kbit/s]
2 timeslots
theor.
1
Value
33
44
1.
net transmission rates for LLC layer
Table 4: EDGE upload data rate with two timeslots, CS9
Upload data rate with x timeslots
Coding scheme 9
[kbit/s]
2
theor.
1
timeslots
Value
72
118
1.
net transmission rates for LLC layer
wm_java_usersguide_v12
Confidential / Released
2
theor.
%
1
time-
Value
from
slots
theor.
Value
15
24
63%
2
theor.
%
1
time-
Value
from
slots
theor.
value
22
40
55%
% from theor.
Value
73%
% from theor.
Value
61%
Page 46 of 123
3
theor.
%
1
time-
Value
from
slots
theor.
Value
20
36
55%
3
theor.
%
1
time-
Value
from
slots
theor.
value
20
60
33%
s
4
theor.
%
1
time-
Value
from
slots
theor.
Value
16
48
33%
4
theor.
%
1
time-
Value
from
slots
theor.
value
13
80
16%
2008-02-25