Wcdma for umts radio access for third genergation mobile communacations phần 10 ppsx
hsdpahsupa for umts high speed radio access for mobile communications
... America.
WCDMA radio access has evolved strongly alongside high- speed downlink packet
access (HSDPA) and high- speed uplink packet access (HSUPA), together called high-
speed packet access (HSPA). ... Control CHannel
HSDPA High- Speed Downlink Packet Access
HSPA High- Speed Packet Access
HSUPA High- Speed Uplink Packet Access
Abbreviations xvii
Higher cell ca...
wcdma for umts radio access for third generation mobile communications
... WCDMA
FOR
UMTS
Radio Access for Third Generation
Mobile Communications
Third Edition
Edited by
Harri Holma and Antti Toskala
Both of
Nokia, ... Supported for improving
downlink capacity
Not supported by the standard
8 WCDMA for UMTS
1.2 Air Interfaces and Spectrum Allocations for Third
Generation Systems
Work to develop third generation mobile ... Air...
Báo cáo hóa học: " Research Article Assessment of Network Layouts for CDMA Radio Access" pdf
... gives an indication of the sensitivity of the performance
of the different network layouts for the base station antenna
height.
Also the signal statistics of the different network layouts
are analysed ... the
performance of the triangular and square layouts was shown
to be at equal level with the clover-leaf layout. Moreover,
the performances of these layouts are clear...
Enhanced Radio Access Technologies for Next Generation Mobile Communication phần 10 pptx
... (such as downloading information, exchanging
email, and instant messaging).
1
Y. Park and F. Adachi (eds.), Enhanced Radio Access Technologies for Next Generation Mobile
Communication, 137.
â ... program that interacts with the mobile subscriber to compose, address,
send, receive, and view MMS messages.
Enhanced Radio Access Technologies for Next Generation...
Wcdma for umts radio access for third genergation mobile communacations phần 10 ppsx
... and Prasad, R., Wideband CDMA for Third Generation Mobile Communications,
Artech House, 1998, 439.
[10] Holma, H., ‘A Study of UMTS Terrestrial Radio Access Performance’, Doctoral thesis, Commu-
nications ... in WCDMA Uplink’,
to appear in ISSSTA’04, September 2004.
410 WCDMA for UMTS
peak data rates exceed 1 Mbps in High-Speed Uplink Packet Access, HSUPA, which is a
3...
Radio network planning and optimisation for umts 2nd edition phần 10 ppsx
... around 10 dB C/I where throughput for hopping and
598 Radio Network Planning and Optimisation for UMTS
Figure 10. 6(b) shows the delays of individual coding schemes and LA. The main
criterion for ... timeslot
578 Radio Network Planning and Optimisation for UMTS
BLER
0.01
0 .10
1.00
0 5 10 15 20 25 30
MCS-5
MCS-6
MCS-7
MCS-8
MCS-9
throughput [kbps]
0...
Wcdma for umts radio access for third genergation mobile communacations phần 2 pdf
... in
Figure 2. 14. Example streaming terminals
Figure 2. 15. Example content download
26 WCDMA for UMTS
4
Background and Standardisation
of WCDMA
Antti Toskala
4.1 Introduction
In the first phase of third ... processing
gain for lower user data bit rates than for high bit rates. In particular, for user data bit rates of
2 Mbps, the processing gain is less than 2 (ẳ3.84 Mcp...
Wcdma for umts radio access for third genergation mobile communacations phần 3 doc
... MSC/GMCS
Figure 5.12. Release ’99 UMTS core network structure
96 WCDMA for UMTS
5 .3. 3 Vertical Planes
5 .3. 3.1 Control Plane
The Control Plane is used for all UMTS- specific control signalling. ... Universal Mobile Telecommunications System (UMTS) , Requirements for the UMTS Terrestrial
Radio Access System (UTRA), ETSI Technical Report, UMTS 21.01 version 3. 0.1, Nov...
Wcdma for umts radio access for third genergation mobile communacations phần 4 potx
... kbps
256 15 30 12– 24 6–12 kbps
128 30 60 42 –51 20– 24 kbps
64 60 120 90 45 kbps
32 120 240 210 105 kbps
16 240 48 0 43 2 215 kbps
8 48 0 960 912 45 6 kbps
4 960 1920 1872 936 kbps
4, with 3 parallel ... 7.5 kbps
128 30 15 kbps
64 60 30 kbps
32 120 60 kbps
16 240 120 kbps
8 48 0 240 kbps
4 960 48 0 kbps
4, with 6 parallel codes 5 740 2.8 Mbps
116 WCDMA for UMTS
As a...
Wcdma for umts radio access for third genergation mobile communacations phần 5 pdf
... hand, WCDMA requires very linear base station power
amplifiers, which is challenging for the implementation.
154
156
158
160
162
164
166
168
170
100 150 200 250 300 350 400 450 50 0 55 0 600 650 700 ... capacity
7. 95 92.7 80.9 Erl 87 % 84.2 Erl 4 %
12.2 60 .5 50.1 Erl 83 % 52 .8 Erl 5 %
16 39.0 30.1 Erl 77 % 32.3 Erl 7 %
32 19.7 12.9 Erl 65 % 14.4 Erl 12 %
64 12 .5 7.0 Erl...
Wcdma for umts radio access for third genergation mobile communacations phần 6 doc
... 2 26. 67 192.00 0.29 0.35
cell 4 721 .60 760 .00 0.50 0.12
cell 5 1101 .60 62 9.14 0.74 0.29
cell 6 772 .68 800.00 0 .60 0.27
MEAN 531.04 5 06. 62 0.45 0.39
Basic loading: mobile speed 50 km/h and 3 km/h, ... 84 .6 % 88.9 %
384 kbps 66 .9 % 71.4 %
Test mobile speed:
Basic loading: mobile ——————————————
speed 50 km/h 3 km/h 50 km/h
8 kbps 95.5 % 97.1 %
64 kbps 82.4 % 87.2 %
384 kbp...
Wcdma for umts radio access for third genergation mobile communacations phần 7 pps
... context
for any application, e.g. for presence. The third optimisation step is to use an existing PDP
0
200
400
600
800
1000
GPRS WCDMA
RACH
WCDMA
DCH
Milliseconds
Acceptable/good
quality for real ... transmission power is
presented.
264 WCDMA for UMTS
10.5 Packet Data System Performance
In this section, packet scheduling performance is analysed. First, link level performanc...
Wcdma for umts radio access for third genergation mobile communacations phần 8 potx
... HSDPA techniques for the uplink direction is under investigation in
3GPP for inclusion in forthcoming Releases, though the expected gain is not foreseen to
344 WCDMA for UMTS
11 .8. 3 User Scheduling, ... DSCH:
326 WCDMA for UMTS
rate for the connection. For example, with Adaptive Multirate (AMR) speech service and
packet data, the DCH capacity reserved is equal to the sum...
Wcdma for umts radio access for third genergation mobile communacations phần 9 potx
... performance is obtaine d for high mobile
speeds, while close to the base station, low mobile speeds perform better. This behaviour can
be explained by the fact that for high mobile speeds interleaving ... dBm 2.1 dB
Route B 1 m separation 7 .90 dBm 4. 59 dBm 3.3 dB
no separation 7 .90 dBm 4.86 dBm 3.1 dB
Route C 1 m separation 5.63 dBm 2.54 dBm 3.1 dB
358 WCDMA for UMTS
baseb...
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