Communication Systems for the Mobile Information Society phần 6 ppt
Communication Systems for the Mobile Information Society phần 6 ppt
... terminal. Therefore, the SGSN simply forwards all incoming data packets
from the GGSN to the RNC regardless of the current state of the mobile. If the mobile is
currently in either the Cell-PCH or the ... Systems for the Mobile Information Society
than the current cell. The RNC can then decide to redirect the data stream to a different
cell. As the conce...
Communication Systems for the Mobile Information Society phần 1 ppt
... 307
6. 4 The Bluetooth Protocol Stack 309
6. 4.1 The Baseband Layer 310
6. 4.2 The Link Controller 315
6. 4.3 The Link Manager 317
6. 4.4 The HCI Interface 319
6. 4.5 The L2CAP Layer 321
6. 4 .6 The ... channel
2 Communication Systems for the Mobile Information Society
Figure 1.1 Switching matrix in a switching center
designed for voice communication f...
Communication Systems for the Mobile Information Society phần 7 ppt
... exchange user information with each
other if the client device switches to a new access point. Therefore, all access points
230 Communication Systems for the Mobile Information Society
Access
Point
Terminal
Empty ... informed of the location change, it ignores the incoming packets. The change of
access points is transparent for the higher layers of the protocol s...
Communication Systems for the Mobile Information Society phần 2 potx
... Therefore, it is necessary for example to convert a voice signal
for a connection between France and the United States.
20 Communication Systems for the Mobile Information Society
Figure 1. 16 ... go through the
authentication phase and the activation of the ciphering for the channel. Only afterwards can
the network forward further information to the mobi...
Communication Systems for the Mobile Information Society phần 3 pps
... call.
Communication Systems for the Mobile Information Society Martin Sauter
© 20 06 John Wiley & Sons, Ltd
62 Communication Systems for the Mobile Information Society
again limited to a certain duration. Other ... GPRS
50 Communication Systems for the Mobile Information Society
in a next step. Once the new BSC has prepared the speech channe...
Communication Systems for the Mobile Information Society phần 4 ppsx
... content for which they would also have to pay on the fixed-line
Internet.
1 16 Communication Systems for the Mobile Information Society
the MSISDN. PLMN stands for public land mobile network, the ... device. The web browser for example is one of the most
100 Communication Systems for the Mobile Information Society
Once the attach procedure is c...
Communication Systems for the Mobile Information Society phần 5 pps
... evolve the two parts of the network
138 Communication Systems for the Mobile Information Society
which two are orthogonal to each other (C2,1 and C2,2). On the third level with four chips,
there ... preferred compared to losing the connection entirely.
164 Communication Systems for the Mobile Information Society
Figure 3.24 Factors influencing the qualit...
Communication Systems for the Mobile Information Society phần 8 ppsx
... replies to the message with a dynamic service addition response (DSA-RSP) message.
262 Communication Systems for the Mobile Information Society
Here, information about the burst that contains the MAC ... overview of the 802. 16 standard and compares
the capabilities and design of the system to other technologies like HSDPA and wireless
Communication Systems...
Communication Systems for the Mobile Information Society phần 9 doc
... connection, the L2CAP layer can then use this information
to reassemble the L2CAP packet from several ACL packets, which is then forwarded to the
application layer.
2 96 Communication Systems for the Mobile ... of these systems can be taken as an example, networks
based on 802. 16 should have an interesting and exciting future.
310 Communication Systems for the...
Communication Systems for the Mobile Information Society phần 10 pdf
... indication of the loudness of the signal in the sub-band.
340 Communication Systems for the Mobile Information Society
send the business card stored in the retrieving device during a request for a business ... headset sends the following
command to the audio gateway to open the speech path: ‘at+ckpd=200’. The mobile phone
328 Communication Systems for...
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