TRƢỜNG ĐẠI HỌC SƢ PHẠM KỸ THUẬT TP.HCM
KHOA ĐIỆN - ĐIỆN TỬ
BỘ MÔN ĐIỆN TỬ VIỄN THÔNG ĐỒ ÁN TỐT NGHIỆP
 
HỆ THỐNG THÔNG TIN DI ĐỘNG
THẾ HỆ THỨ 4
THEO CÔNG NGHỆ LTE
VÀ LTE PHÁT TRIỂN

GVHD: T.S LÊ QUANG TUẤN
SVTH: PHAN THÁI HẰNG
MSSV: 06117023

 t nghip Trang ii


QUYẾT ĐỊNH GIAO ĐỀ TÀI

ng MSSV: 06117023
Công nghệ Điện tử - Viễn thông
HỆ THỐNG THÔNG TIN DI ĐỘNG THẾ HỆ THỨ 4 THEO
CÔNG NGHỆ 4G LTE VÀ LTE PHÁT TRIỂN
1) 
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2) 
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3) 
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4) TS. Lê Quang Tuấn
5) 

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Giáo viên hƣớng dẫn
 t nghip Trang iv
NHẬN XÉT CỦA GIÁO VIÊN PHẢN BIỆN
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 t nghip Trang v
LỜI NÓI ĐẦU

Tip theo m h th 
quc t ng ti mt chun cho mng t i th h th 4
t tri dn IP, truyn
s lin vi t t nhiu so vng hin
 truyn d li n 100 Mb/s, thn
1 u ki
Nhu cu cng ln s i, tn tn ca
m m u t t nhu cu c
n s n c 4G. Th nh  nhu cu
cng dng ca mp
internet. Th  i vn s
cung cch v  ng hu tuyn, mng
 i nha h
nhu cu v chng dch v cung cc t  truy
nhp Web, ti xung ti c
ngh ng 4G.
 Vit Nam, hin rm r  ti
na. Theo tin t T a
c lt trm BTS s dng cho dch v 
ngh LTE,  tii Vi
 p vi xu th i thc hi  H th
MỤC LỤC
Phn A: Gii thiu
 ............................................................................................................... i
 .............................................................................................. ii
N ..........................................................................iii
N ........................................................................... iv
 ............................................................................................................. iv
 ................................................................................................................ ivii
 ............................................................................................................. x
 ............................................................................................................ xi

Phn B: Ni dung

 ............... 1
1.1 Lch s n c thng ........................................ 1
1.1.1 Th h 1G (First Generation).................................................................... 1
1.1.2 Th h 2G (Second Generation) ............................................................... 1
1.1.3 Th h 3G (Third Generation) .................................................................. 2
 4G ........................................................................................................ 4
 ..................................................................... 13
2.1 Tng quan ............................................................................................................ 13
2.1.1 Gii thiu v  LTE ................................................................. 13
 LTE v ng trin vng cho
 LTE ............................................................................................... 14
 LTE v Wimax ................................ 14
2.1.2.2 Nhng trin v LTE ............................................. 18
2.1.3 Mt k LTE ............................................................................ 20
2.1.3.1 Ti ....................................................................... 21

2.5.3 Thc hin OFDM s dng x  ............................................ 56
 .................................................................................. 58
n thi gian ca truyn OFDM ............................................. 60
2.5.6 S ng symbol tham chiu. .................................. 61
ng tn s vu quan trng c ............... 62
2.5.8 La chn nh n ca OFDM ......................................... 64
2.5.8.1 Kho ................................................ 64
2.5.8.2 S  ............................................................................ 65
2.5.8.3 Chi ..................................................................... 66
2.5.9 S bit truyn tc thi ..................................................... 67
 ho .............................. 67
 t nghip Trang ix 2.5.11 Truy ....................................... 69
2.6 Truyn d liu  ................................................................................... 71
2.7 MIMO .................................................................................................................. 73
n v MIMO LTE ........................................................................... 73
2.7.2 SU-MIMO (Single user MIMO) ............................................................. 74
2.7.3 MU-MIMO ............................................................................................ 74
............................................................................ 76
2.8 MIMO-OFDM ..................................................................................................... 77
 ................... 82
3.1 Tng quan ............................................................................................................ 82
3.2 Nh  xut cho LTE-Advance................................ 83
3.2.1 Truyn d ph tn ......................................... 83
3.2.2 Gi .................................................................................. 84
3.2.3 Truyn dm phi hp ................................................................. 84
 l chuyn tip ............................................................ 85
3.2.5 MCMC CDMA ...................................................................................... 86

Bng 2.1 Tin ca 3GPP ....................................... 16
Bng 2.2  ............................................................................ 17
Bu v hiu sut ph  .................. 23
Bu v thn, LTE--WCDMA ...... 25
B lp vt a LTE ..................................................... 29
Bng 2.6 T nh ca LTE theo lp ........................................................ 30
Bng 2.7 ch v ca 3G so vi 4G LTE .................................... 31

 t nghip Trang xi
LIỆT KÊ HÌNH

  n IMT-Advance .................... 7
  ng 4G ................ 8
 n c  ........................ 15
t k LTE ..................................................................... 20
 ph i 2 Ghz cn IMT-2000 ....... 26
 v p t ph
ca mt h thc trin khai .................................................... 27
 B  ............................................................................. 37
 thng m .......................................................................... 37
nh 2.7 S chuyi trong cng t UTRAN sang E-UTRAN .... 36
 .................................................................................. 37
n trong mng EPS .................................................... 37
a E- ............................... 39
p vi P-GW trong m ........... 44
ng vi 3G UMTS ............................................... 45
p giao thc mt phi a E-UTRAN........... 46

 .................................................................. 76
 -OFDM ........................................................... 77
 ..................................................... 84
n dm phi hp ......................................................... 85
 tu MC-CDMA cho m ............................ 87
c tu MC-CDMA .............................................. 88
 khi b -code CDMA kiu truyn song song ....... 90
 khi b thu Multi-code CDMA kiu truyn song song ......... 91
  thu h thng Multi-code CDMA kiu ........ 92
-code CDMA t ......................................... 93

 S tu ri rc PMC-MC-CDMA ..................................... 95
  n cho s tu ri rc PMC-MC-CDMA ......... 95
 3.13: S tu ri rc MMC-MC-CDMA .................................... 96  t nghip Trang xiii


chia theo tn s u ch tn s FM vm:
 c truy nhp: FDMA.
 Dch v i.
 Chng thp.
 Bo m
Mt s h th
 NMT (Nordic Mobile Telephone): s dn 450Mhz trin khai tc
B
 TACS (Total Access Communication System): trin khai  
 AMPS (Advance Mobile Phone System): trin khai ti Bc M i
n 800Mhz.
1.1.2 Thế hệ 2G (Second Generation)
H thng m chuyn mch k thut s (digital
circuit-switched). K thu m sau:
 
 Chng thoi t
 H tr ch v s liu (data).
 c truy nhp.
Mt s h th
 t nghip Trang 2

 thng
 GSM (Global System for Mobile Phone) s dc truy cp TDMA
c trin khai t
 D-AMPS (IS-136-Digital Advance Mobile Phone System) s dc
truy cc trin khai ti M.
 IS-95 (CDMA One) s dc truy cc trin khai ti M
c.
 PDC (Personal Digital Cellular) s dc truy cc trin
khai ti Nht Bn.

mng HSUPA  p m hoch trin khai mng
HSUPA.
- CDMA2000: bao gm CDMA2000 1xRTT (Radio Transmission Technology),
CDMA2000 (Evolution --DV(Evolution -Data
c chu 3G
c la chn bp mng CdmaOne.
 CDMA2000 1xRTT:  3G, tuy
  ca
 n 307Kbps, song hu hn khai ch gii hn
t peak  144Kbps.
 CDMA2000 EV-DO: s dng m li
cho t d ling xu
1xEV-DO Rev A h tr truy ng xun 3,1Mbps
c bi y t n -DO Rev
p mng g truyn d liu vi
t 73,5Mbps.
 CDMA2000 EV-DV: p tho li
CDMA2000 EV-DV cung cp t ng xun
 i hn
 t nghip Trang 4

 thng
vin ca 1xEV-p mng 
n EV-DO.
- TD-SCDMA  ngh bi "China Communications Standards
c ITU duyn 3G ca Trung Quc.
TD-- hon
hp 1,6MHz (cho t 2Mbps) hay 5MHz (cho t 
ca TD- u ln. Nhiu th nghim v  
din ra t  vn hi Olympic g.

 th ni dung n chia s nh
nh ca h v
 Voice over IP: th gii tho n sang
ng VoIP. Nhiu kh  khoa, nhiu mng thoi chuyn
 nh hin nay s chuyn thoi d
 y, v n truy cp mng, nhi s dng
ch v thoa h ng DSL ho
Hi thy nhn di, b ng thoi
chuy st gim s t
qu p dch v tho 
 chuya.  y m 
m dch chuyn  c bi
u v  truyc thoi qua mng truyn
chuy.
 S thay th  nh: 
m   nh lc
y,  nhip dch v 
 gng km gi hong
i kh 
thit b ng UMTS/HSDPA hoc CDMA ca h
bu cnh tranh trc tip vp dch v n cnh
t ng c
 S cnh tranh t nhp dch v  mt s
p dch v i kh p
 t nghip Trang 6

 thng
ng ng Wifi hoc Wimax/802.16. Nh
cung c cnh tranh trc tip vp dch v 
CDMA truyn thng vng trong th 

u ci dn t LTE sang IMT Adv
 n IMT-
i h-Advance. LTE-Advance
t phn c-Advance s c tri
2013 ho

.1 : T  n IMT-Advance
cng chuy
c hin k ho th xut
(Ultra Mobile Broadband) hoch tin ti 4G.
Mt l n ti mng 4G ca c c th hi1.2:
 t nghip Trang 8

 thng

1.2  ng 4G  UMB
Chun UMB hin bi 3GPP2 vi k ho 
c 2009.
Mt s m k thu
  thun:

 thut beamforming antenna

Trích đoạn Kiến trúc giao thức Mặt phẳng điều khiển Truyền dữ liệu hƣớng xuống Chèn cyclic prefix Tính đa dạng tần số với OFDM: điều quan trọng của mã kênh

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