CDMA and cdma2000 for 3G Mobile Networks 5 pdf
Tài liệu W-CDMA and cdma2000 for 3G Mobile Networks pdf
... possible.
Chapter 1
16
19 45
AB
MHz
Downlink - from Base Station to Mobiles
Uplink - from Mobiles to Base Station
1930 1 950 19 65 1970
19 75 1990
CDEF
18 65
AB
MHz
1 850 1870 18 85
1890 18 95 1910
CDEF
Figure ... TDMA for Digital European
Cordless Telephone [DECT] and wideband CDMA [W -CDMA] ). The
standards developed for PCS in North America appear in References
[ 15] –[19]....
McGraw-Hill-2002-WCDMA and cdma2000 for 3G Mobile Networks
... Variations 45
Coherence Bandwidth and Power Delay Profiles 46
Simulation Model of a Mobile Radio Channel 49
Summary 52
References 52
Chapter 3 Principles of Wideband CDMA (WCDMA) 55
Multiple Access ... was
similar to cdma2 000, and the other was similar to the
ETSI/ARIB proposal.
Thus, eventually, there were only 4 systems for 3G mobile com-
munications
—
cdma2 000, UWC...
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_2 doc
... standard IS -54 , its
newer version IS-136, and Global System for Mobile Communica-
tions (GSM), are all based on TDMA and FDD. In IS -54 and IS-136,
each voice channel has a bandwidth of 30 kHz and ... spectrum
allocation for UWC-136 is the same as for cdma2 000.
The system features of UMTS and cdma2 000 are summarized in
Table 1 -5.
Chapter 1
22
11
Or, if necessary, the...
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_3 doc
... supported:
12.2 (GSM enhanced full rate), 10.2, 7. 95, 7.40, 6.70, 5. 90, 5. 15, and
4. 75 kb/s.
ACELP coders belong to the vocoder class of encoders that, unlike
a waveform quantizer, model the vocal tract as ... shown as v
A
in Figure 3 -5.
Chapter 3
68
4
In IS- 95, the convolutional code used has a constraint length 9 and rate
1
/
2
.
Spreading
In UMTS and cdma2 000, signaling...
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_4 ppt
... channels, and up to 55
traffic channels. In another possible configuration, the sync and pag-
ing channels may be replaced by traffic channels.
123
cdmaOne and cdma2 000
824 8 25 8 35 8 45 846 .5
849
869 ... 8 45 846 .5
849
869 870 880 890 891 .5
894 MHz
(a)
1 850 18 65 1870 18 85 1890 18 95
MHz
(b)
1930 19 45 1 950 19 65 1970
19 75
1910 1990
Base Stations MobilesBase St...
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_5 potx
... [5] TIA TR 45. 5, “The cdma2 000 ITU-RTT Candidate Submis-
sion,” TR 45- ISD/98.06.02.03, May 15, 1998.
[6] TIA/EIA/IS- 95- A: Mobile Station-Base Station Compatibility
Standard for Dual-Mode ... Table 5- 1.
155
The GSM System and General Packet Radio Service (GPRS)
9 15
Downlink
890 9 35 960
Uplink
Frequency
(MHz)
200 kHz
Paired Channels
900.2 9 45. 2
Figure 5- 1
Spectrum
alloc...
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_6 pdf
... location and routing information of the mobile.
In the STANDBY state, the mobile station is still GPRS-attached
and sends the SGSN its location and routing information periodi-
cally and each ... frequency bands, sep-
arated by a guard band, are used
—
one for the uplink and the other
for the downlink transmission. In TDD, on the other hand, the same
frequency band is used...
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_7 potx
... shown as C
1
in this figure. The spreading
factor is 256 for common downlink physical channels and varies
from 4 to 51 2 for a downlink DPCH.
The I and Q channels are added in quadrature, scrambled ... emanating from
nodes C1 and C2, rows 1 and 3 representing codes at C1, and rows 2
and 4 at C2.
a
NϪ1
kϭ0
h
ik
h
jk
ϭ 0 for i j
H
N
ϭ 3h
ij
4,i,j ϭ 0,1,2, p , N Ϫ 1
227
Univ...
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_8 potx
... (FDD).
[10] 3GPP TS 25. 212, Multiplexing and Channel Coding.
[11] 3GPP TS 25. 213, Spreading and Modulation (FDD).
[12] 3GPP TS 25. 214, Physical Layer Procedures.
[13] 3GPP TS 25. 2 15, Physical ... 2.
[11] 3GPP TS 25. 401: UTRAN Overall Description, 2000.
[12] 3GPP TR 23.922: Architecture for an All IP Network, 1999.
2 75
Evolution of Mobile Communication Networks
Chapter 5, “T...
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_9 pptx
... routers [11], [16].
RSVP for Mobile Systems
Problems arise when standard RSVP is used in a mobile communi-
cations network. Reference [11] has studied these problems in
detail, and also summarizes ... arrival process is purely random, it is often not
easy to compute the required bandwidth for an arbitrary sustainable
data rate, peak data rate, and the burst size except for very...
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