Communication Systems for the Mobile Information Society phần 8 ppsx
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 80 2.16 standard and compares
the capabilities and design of the system to other technologies like HSDPA and wireless
Communication Systems f...
Communication Systems for the Mobile Information Society phần 4 ppsx
... device. The web browser for example is one of the most
100 Communication Systems for the Mobile Information Society
Once the attach procedure is complete the mobile is authenticated and known to the
network. ... content for which they would also have to pay on the fixed-line
Internet.
116 Communication Systems for the Mobile Information Society
t...
Communication Systems for the Mobile Information Society phần 1 ppt
... profiles for different applications 332
Communication
Systems for the Mobile
Information Society
Martin Sauter
Nortel Networks, Germany
1
Global System for Mobile
Communications (GSM)
At the beginning ... channel
2 Communication Systems for the Mobile Information Society
Figure 1.1 Switching matrix in a switching center
designed for voice communication...
Communication Systems for the Mobile Information Society phần 2 potx
... a timeslot it used for the SACCH. Furthermore, the 25th
Figure 1.25 Establishment of a signaling connection
48 Communication Systems for the Mobile Information Society
As the MSRN is internationally ... that there are
transit switching centers between the G-MSC and V-MSC, which are thus able to forward
the call without querying the HLR themselves.
38 Communica...
Communication Systems for the Mobile Information Society phần 3 pps
... call.
Communication Systems for the Mobile Information Society Martin Sauter
© 2006 John Wiley & Sons, Ltd
62 Communication Systems for the Mobile Information Society
again limited to a certain duration. Other ... call via the Gs interface
82 Communication Systems for the Mobile Information Society
Figure 2.14 The GPRS state model
the GSM c...
Communication Systems for the Mobile Information Society phần 5 pps
... evolve the two parts of the network
1 38 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 ... and
1 58 Communication Systems for the Mobile Information Society
3.5 The UMTS Terrestrial Radio Access Network (UTRAN)
3.5.1 Node-B, Iub Interface, NBAP, an...
Communication Systems for the Mobile Information Society phần 6 ppt
... to
re-establish a channel is about 2.5 to 3 seconds. Therefore, the mobile should only be put
188 Communication Systems for the Mobile Information Society
the terminal into Cell-FACH state as quickly ... 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 mobil...
Communication Systems for the Mobile Information Society phần 7 ppt
... device
2 18 Communication Systems for the Mobile Information Society
80 2.3
(Ethernet)
80 2.11b
80 2.11g
80 2.11a
80 2.2 Logical Link Control (LLC)
IP
TCP/UDP
3
2
1
4
Application dependent5–7
Figure 4.1 The ... exchange user information with each
other if the client device switches to a new access point. Therefore, all access points
230 Communication Systems for...
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.
296 Communication Systems for the Mobile ... list that maps the previous service flow identifiers to
those of the new cell. The mobile station can thus keep its IP addresses.
3 08 Communication System...
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 ... button, the headset sends the following
command to the audio gateway to open the speech path: ‘at+ckpd=200’. The mobile phone
3 28 Communication...
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