side (irt 3930) - ttu.ee · pdf fileside (irt 3930) loeng 11/2011 mobiilside teema ... auc...
TRANSCRIPT
![Page 1: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/1.jpg)
Teenused 401
SIDE (IRT 3930)
Loeng 11/2011
Mobiilside
Teema - teenused
Avo Ots telekommunikatsiooni õppetool,
TTÜ raadio- ja sidetehnika inst.
![Page 2: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/2.jpg)
Mobiilside
![Page 3: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/3.jpg)
Teenused 403
Võrgud ja ühendamine
regional
metropolitan area
campus-based
in-house
vertical
handover
horizontal
handover
![Page 4: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/4.jpg)
Teenused 404
Terminalide ühendamine
![Page 5: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/5.jpg)
Põhisõlmed (2G ... 3G ... 4G)
![Page 6: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/6.jpg)
Sõlmede tähistused
Acronyms Description
AuC Authentication Centre
BSC Base Station Controller
BSS Business Support Systems
BTS Base Transceiver Station
EIR Equipment Identity Register
eNode B 4G equivalent of a BTS
GGSN Gateway GPRS Support Node
HLR Home Location Register
IP Internet Protocol
LTE Long-Term Evolution (4G)
MGW Media Gateway
MME Mobility Management Entity
MMS-C Multimedia Message Service Centre
MSC Mobile Switching Centre
NOC Network Operations Centre
Node B 3G equivalent of a BTS
OSS Operations Support Systems
Acronyms Description
PSTN Public Switched Telephone Network
RAN Radio Access Network
RNC Radio Network Controller
SGSN Serving GPRS Support Node
SMS-C Short Message Service Centre
TETRA Terrestrial Trunked Radio
VAS Value Added Service
![Page 7: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/7.jpg)
Teenused 407
NMT - GSM
Tihendus: FDMA TDMA
Kanali samm: 25 kHz 200 kHz
Modulatsioon: FSK PSK
f
P
t
![Page 8: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/8.jpg)
Teenused 408
Mobiilsidevõrk (2G)
GSM 900/1800
(W CDMA)
![Page 9: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/9.jpg)
Teenused 409
Tuumvõrk ja tugijaamad
BSC BSC
Tuumvõrk
BTS BTS BTS BTS
A A
Abis Abis Abis Abis
MS
GSM BSS
GSM
![Page 10: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/10.jpg)
Teenused 410
GSM võrgu sõlmed SS
MSC/ VLR
OSS
Signaliseerimine
Ahelkommuteeritud liiklus
ja signaliseerimine
EIR
Tugijaamade süsteem BSS
BSC
RBS
MS
GMSC
AUC
HLR
MXE
M_IN
BGW
SMS-GMSC
![Page 11: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/11.jpg)
Teenused 411
GSM lühendid AUC
Authentication Center, autentimiskeskus
BGW
Billing Gateway, maksustamislüüs
BSC
Base Station Controller, tugijaamade kontroller
EIR
Equipment Identity Register, mobiilide registreerimiskeskus
GMSC
Gateway MSC, mobiilside sõlm GSM ja PSTN võrgu vahel
HLR
Home Location Register, koduregister
M_IN
Mobile Intelligent Network Node, sõlm IN teenusteks
MS
Mobile Station, mobiilterminal
MSC
Mobile Switching Centre, mobiilside sõlm
MXE
Message Center, sõnumikeskus
OSS
Operation and Support System, haldussüsteem
RBS
Radio Base Station, tugijaam
SMS-
GMSC
Short Message Service Gateway MSC, lühisõnumi lüüs
VLR
Visitor Location Register, külalisregister
![Page 12: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/12.jpg)
Teenused 412
GSM 900 (1800) põhiparameetrid
• UP 890 … 915 MHz, (1710 ... 1785)
DOWN 935 .. 960 MHz, (1805 … 1880)
• duplekseristus 45 MHz, (95)
• kanali ribalaius 200 KHz
• Bitikiirus kanalis 270.833 kbit/sek
• Kanaleid 124 (...374)
• Pöördus TDMA/FDD
• ARFCN
![Page 13: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/13.jpg)
Teenused 413
Sagedusressurssi jaotus
![Page 14: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/14.jpg)
K ä r g
+ +
+
+ +
414
![Page 15: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/15.jpg)
Teenused 415
Sageduskasutus
F D
C
B
A
G
E
F’
![Page 16: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/16.jpg)
Teenused 416
Tugijaama kanalid
Allalüli
tugijaam
Ajapilu (8)
Kanali number ja sagedus (MHz) 0 1 2 3 4 5 6 7 40 943,0
41 943,2 ...
63 947,6 ...
68 948,6 ...
73 949,6
74 949,8 ...
77 950,4
78 950,6 -------
850 1870,3 ...
857 1872,4 ...
882 1879,9
![Page 17: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/17.jpg)
Teenused 417
Samasageduslikud signaalid
dB 10I
C
Häiriv signaal
![Page 18: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/18.jpg)
Teenused 418
0.577ms
(34 Kbps = 270.8Kbps/8)
Voice: 9.6Kbps
Total channels:
124 x 8 = 992
Üleslüli
Up link
Allalüli
Down link TDMA frame (8x.577ms = 4.615ms)
Kanalid ja ajastus
![Page 19: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/19.jpg)
Teenused 419
Sageduste taaskasutus
• Sageduste hulk on piiratud, naaberkärgedes
ei saa kasutada samu sagedusi
• Reuse factor - taaskasutuse tegur on
sageduse taaskasutuse muster N kärje kaupa
• Mustris sama numbriga kärjed saavad
kasutada samu sagedusi
![Page 20: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/20.jpg)
Teenused 420
Sageduste taaskasutuse skeemid
![Page 21: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/21.jpg)
Teenused 421
Ajastamine
![Page 22: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/22.jpg)
Teenused 422
TA vahemik
• Bitikiirus R=270,833 kbit/s
• Biti levi kestus raadiokanalis
km 1,1 270,833
103 8
R
cs
s (t)
![Page 23: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/23.jpg)
Teenused 423
Kaugus tugijaamast?
Kaugus tugijaamast määratakse ~550 meetriste lõikudena kasutades GSM parameetrit Timing Advance (TA)
TA= 0…63
![Page 24: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/24.jpg)
Teenused 424
Terminali paiknemine
Põhineb kärje tunnusel (CI, cell identifier),
lisandub TA
Base Station
Base Station
Base Station
TA rõngas
![Page 25: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/25.jpg)
Teenused 425
Asukohapiirkonnad
LA1
LA2
LA4
LA5
MSC
MSC
MSC
BSC
BSC
BSC
BSC
BSC
BSC
BSC
BSC
LA3
BTS-id
![Page 26: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/26.jpg)
Teenused 426
Kõne mobiilvõrgus
BS B
BS C
BS A
x BSC
MSC
PSTN
BSC
Forward Voice Channels (FVC)
Reverse Voice Channels (RVC)
Forward Control Channels (FCC)
Reverse Control Channels (RCC)
![Page 27: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/27.jpg)
Teenused 427
Mobiiltelefonilt algatatud kõne BSC MSC
MS scans and
selects the strongest
FCC
MS sends the Call
Initiation Request (MIN,
DestNo) over RCC
MSC: Receives the CIR
from BS and verifies if
MS has a valid MIN, ESN
pair
Instructs the BS to move
the MS to a voice
channel pair
Page for Mobile and
instruct it to move to
voice channel
MSC: Sets up voice
channels for the wired
part and connects to the
PSTN caller
TX: RVC X RX: FVC X
TX: FVC Y RX: RVC Y
Begins Tx Begins Rx
Begins Rx Begins Tx
VLR/
HLR PSTN
![Page 28: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/28.jpg)
Teenused 428
Mobiiltelefon võtab kõne vastu BSC MSC
MSC receives a call
request for an MS
MSC verifies MS
credentials by looking
up HLR and obtains the
current location info
MSC: Verifies with VLR
to obtain the current
location area
BS: Instructs a set of
BSs to page the MS
MS: receives the page
and responds
MSC: Requests BS to
move the mobile to a
voice channel pair
TX: RVC X RX: FVC X
TX: FVC Y RX: RVC Y Begins Tx Begins Rx Begins Rx Begins Tx
HLR PSTN VLR
![Page 29: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/29.jpg)
Teenused 429
Mobiilsus
BSC
BS 1 BS 2
![Page 30: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/30.jpg)
Teenused 430
Arvutusnäide
Leida signaali võimsus GSM terminali
sisendis, kui tugijaama väljundvõimsus on
10 W, tugijaama antenni võimendus 10 dB ,
telefoni antenni võimendus 6 dB ja telefoni
kauguse parandustegur (parameeter TA) =8;
Signaali sumbuvus on 30 dB/km.
![Page 31: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/31.jpg)
“Kulud ja tulud” (link budget)
Teenused 431
10 W
10 dB
Sumbuvus
![Page 32: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/32.jpg)
432
Majanduspiirangud
TEENINDUS_ALA
TULU
(keskmiselt
kliendilt) ARPU
KULU
Costs
![Page 33: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/33.jpg)
VÕRGU_liiklus
433
![Page 34: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/34.jpg)
Tulu kliendi kohta
434
![Page 35: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/35.jpg)
435
Mida soovida võrgult ...
Töökindel,
avardatav,
paljutarbeline
![Page 36: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/36.jpg)
Teenused 436
GPRS/EDGE + WCDMA
IP Network
HLR
MSC/VLR
SGSN
RNC
RNC BTS
PSTN
GGSN
UTRAN
Network Subsystem
GPRS-backbone
BTS
EDGE BS
BSC BTS
GPRS/EDGE Radio Network
Core Network UMTS Radio Network
![Page 37: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/37.jpg)
Teenused 437
GSM >> EDGE
![Page 38: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/38.jpg)
Teenused 438
Raadioressursi jaotamine
f 1
f 2
f n
TS0 TS1 ... TS7
TS 1
Aeg
TS 2
TS 3
TS 5
TS 4
TS 3
TS 2
TS 1
pakettkommutatsioon
ahelkommutatsioon
![Page 39: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/39.jpg)
Teenused 439
Standardimine
3 G
2G IS-95 GSM IS-136
& PDC
3GPP2
Cdma2000-1xRTT
Cdma2000-1xEV, DV, DO
Cdma2000-3xRTT 3GPP
W-CDMA
TD-SCDMA EDGE
2,5 G IS-95B HSCSD
GPRS EDGE
![Page 40: SIDE (IRT 3930) - ttu.ee · PDF fileSIDE (IRT 3930) Loeng 11/2011 Mobiilside Teema ... AuC Authentication Centre ... s/publications/ericsson_review/2010/ericsso](https://reader033.vdocuments.mx/reader033/viewer/2022042520/5aae06ce7f8b9aa8438b80ce/html5/thumbnails/40.jpg)
Teenused 440
Lõpulingid (11)
http://www.emt.ee/
http://www.gsmworld.com/
http://en.wikipedia.org/wiki/Link_budget
http://www.nokia.com/
http://www.samsung.com/
http://www.ericsson.com/res/thecompany/doc
s/publications/ericsson_review/2010/ericsso
nreview_issue1_2010.pdf