B O
I HI
NGUY
  U T U KHI T
 M L P MIMO TRONG CELL
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I - 2015
LU THU T
B O
I H N I
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NGUY
  U T U KHI T
 M L P MIMO TRONG CELL
  THU T TRUY
 NG D N KHOA H C
:
TS. NGUY N NG 
LU THU T
1
M L CỤC Ụ
L ....................................................................................................... 4
 : GI I THI U CHUNG ........................................................................ 14
1.1. H ng............................................................................. 14th
1.1.1. L ch s n c ng ...................................... 14  a hth
 ................................................................................... 17
1.1.3. Nh ng v n t h ..................... 20    ng
1.2. N u ...................................................................................... 22
1.3. K ............................................................................................. 23t lu
  : M L P MIMO TRONG CELL ............. 24
2.1. Gi i thi u chung ............................................................................................. 24
 th ng MIMO ............................................................................... 26
- ............................................................................ 30MIMO
-SISO...................................................................... 31
-SIMO .................................................................... 31
-MISO .................................................................... 32
-MIMO .................................................................. 33
- .......................................................................... 35MIMO
p MAC- ............................................................. 35MIMO
-MIMO ...................................................................... 36
p MAC- MIMO ................................ 36
- ........................................ 37MIMO
  m c  MIMO ....................................................... 37
 m c a MIMO ................................................................................ 37
2. m c ........................................................................... 37  a MIMO
 m l p ............................................................................................ 38
2
 i tr m l p ........................................................................................ 39
2.3.1.1. Tr p khuy n ti p ...................................................... 40m l 
2.3.1.2. Tr p gi n ti p .............................................................. 40m l 
 m l p MIMO trong Cell .............. 40
2.3.2.1. Tri n khai tr m l p c nh ...................................................................... 40 
2.3.2.2. Tri n khai tr m l ng ..................................................................... 41 
2.3.2.3. Tri n khai tr m l p t m th i .................................................................... 42
2.3.2.3. Tri n khai tr m l p cho khu v .......................................... 43 c ngo
2.3.2.4. Tri n khai tr m l p cho khu v ............................................. 44 
2.3.2.5. Tri n khai tr m l p cho khu v ............................................ 44 
  m c  tr m l p ..................................................... 45
  m c tr m l p ............................................................. 45
  m c  tr m l p ....................................................... 46
 ng tr m l p MIMO trong Cell ....................... 46
t UE- .......................................................................................... 48RN
2.4.2. -eNB ........................................................................................ 49t RN
t eNB- ........................................................................................ 49RN
2.5. K ............................................................................................. 49t lu
  : T U KHI T
 M L P MIMO TRONG CELL ........................... 50
3.1. Gi i thi u chung ............................................................................................. 50
3.2. Thu u khi t ............................................ 52  
3.2.1. Thu u khi u .................................... 52   
3.2.1.2. Thu u khi n ..................................... 53 
3.2.1.3. Thu ng (Up-down) ............................................................ 55
   thi c a thu u khi ...................... 55
3.2.2. Thu p .............................................................................................. 59 
3
3.2.3. Thu n ...................................................................................... 62  i gi
3.3. Tu khim lp MIMO trong Cell ...... 65
3.3.1. T u khi ng tr m l p AF MIMO .............. 66 
  th m l p AF MIMO ...................... 67
3.3.1.2. T u khi .................................... 70  
3.3.1.3. T u khi ................................... 70  i RN
3.3.1.4. T u khi .................................. 71  i eNB
3.3.1.5. K t qu t  ..... 75
3.3.2. T t ching ..... 77
3.3.3. T u khi t trong h ng MIMO Relay m        th t
chi  u hai ch ng, s d n ti p song song ....................................... 78
3.3.4. T u khi t trong h ng MIMO Relay m        th t
chi c ti  u hai ch n di t tr p ngu ............................. 79
3.3.5. T u khi t cho h ng MIMO hai chi u, hai ch ng ..... 80  th
  t qu ng th c nghi m ............................................... 82
3.4.1. Tu khi m l p AF MIMO tuy .... 82
 t qu  ng th c nghi m ................................................... 85
3.5. K ............................................................................................. 89t lu
  : K
T LU  N NGH XU T.......................................... 90
 U THAM KH O ......................................................................................... 93