Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội

1
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội


 !"#$%&'%
 (%!)*
+,-./0-.# 
1+2*3.3345-%!
"4.6.&##756.($8 (9'%
: ;#$<=.37
>3-5 &.#+:#.?8-
 !
2
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
I. 
1. 
) +@99%%ABCD!EE.+@>3
(%F%( !) %-:8 G
%&!
) 5 (%:8HI.I%JJ#'%
6%(+@%-.!
2.  !
a. 
- KLM.J15%9'%+2N
!
- ) M%-:8FIO#.P# +
.*Q.* %JJ#!

- )`a b
) %.Y$# :8(%
W`a !VT)`f$#)`a .+@JF9%
%ATgggBCD!Eh!
- V`a b
) $ +2#d%.$G
i+H.* &88.* &!"
O+@>3:8.^?#
#%&T77$!
b. *+,
4
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
5
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
-. !
) dOjNb+2%(8$#$=
$ .+2*!a+2*:8.G
 '%=.%OF6%77!
- k+2%(8$#b$:877^$!K:8
IY.3:8'%8!
- "=bO#$+$=OO.3^
H+2%&.# +@P!
- ) b$8:8].G:Y
lO.%:.6 /!
- a+2*b+2O].E7 H+I
L%&.# !
c. &'()
- BCD!EEb

- S%7##b
"%-.G#J1U+GECXO^cUEus)X.
+@::#:Y%d:%+:YN!
4. /01123$%4 !
a. /01123
- 85>v5
kN%9>$%BCD!EE'%Jv5O;\\Tm
!
k%&\\Tm.>$%5!
wO:8.#!
- ",'%65O!
w>$$#5G:%&!
k%&>$#'%F!
7
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
w(.#%O$#eO.>:#%
&!
k%&Je:%Q65+2*!
\%O:8+@.G!
- f >3&%!
w>$9%N%:8GYn%&U`_X`_>$9%
N%.J29%N%`_!
`_>9%N%+2*G+G99%N%+@>G=
:!
)>#+2*'%`_I:5+@>3!
\%O+2*>^&G`_!
)>OeO5G`_:%^&+@-
&!
"%8*`_>#+2*OeO5.G9>3!

7y7z
Wg`_bO$VW`a#;5F"#!
x`mT{\bO$5&%.58+2*!
BCD!EEbO$9%%An|J#&#BCD!EEU
 X
"")_b"")_>3OEDBO.GjBTK8YO!
R###76.(s#eO bVg_
V_`V_`D!
1. 89/
a. 89/#%*:
Vg_UV7g'%.7_.X#; %-%&#
J#&#H%%(# !
Vg_%-J#&#H%9 '%+I;eO
>3%&#x"j!KG+I;eOx"jVg_%-]J#
&.#.}9 d2+@57+$
+I;#% !)<:8 O
9
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
OVg_45%&:`_.rJer
+=H%9+2%(!
b. 0+.
~
"x"usDU7%7X$#^+@>3
Y>$%<O(%sDO.&%
'%$8cH%!pY>*?<H
%+@%(+%.#:Y+%H!pY"x"+@+%.##
T"K.T"K4•%8%H%UX!
Dj.7#F#UTKbq#.7#X:@.GOVg_U+@-t
I+%HOX#$6OhjN%.##x"j#$

$9QNJ=O#60Y$
O!
\>337#|8%899+2%( b#
3?O‚7N1+@8+@OH%.7O
J>33H%9:=.(+%+@H%O
11
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
-%%$%$-‚7!k(%OQ'%JY
.O?8Y2!
2. 8/>$%8/>?
a. 8/>8/>?#%*:
8/>
V_`U‚y#777X$#;9 !aO
+@#99%%ABCD!EE:#Vg_!
V_`r#d$]#.}!V_`+@::
^,-t3=#>OH%!
8/>?
V_`D%-e.>3‚yJ#.H%.(%%
&!
"%-;$#F(%9%%A'%8.
aT\REjCuD#%&#eO`g\!
b. 0+.8/>
12
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
)eO77#%(Yn.RwT_:93+@>3+H
%.#x"jeO!
)`"\7.7m{U)\m{X.$#]#.}U)T"X+@=
@>3%&#)7!

>v5.:%_‚#+@;96OO
J!
_7#75bL/%97O#t
!WL18OIDCvF9.=+25%9!
"77†U+2*Xb"n>3V_`D.GeO`g\…"")_!m#
+2*UQ7#7.7QYnQ37.7
GX!
`#"##U^9(%Xb>3 UK_aX8
+  (%    %  t  5  %  &  K_a!  "  3  (%    %  &
14
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
Ua`"X#J#.%&Ua`_XJ#(%9
:8>3!
III. #<
1. A<BC.
a. 5CD!
R-Y$7P%-$:.#:
Y#9#:Y9:+@#$
O.6:%--O!"+I;+2*#
-Y$+b7$ ]%d!
b. 0+3$%B11,17
\>3I:1O‡\ˆ-$$:Y%
l#.*O!R-%1OOYO
:Y1O:%:YO:8G`_!
"O(%;31OOJ^%&+@‚#tHY
nRR_79.9‰R_77!aH%:89(%%(
‚#7#775UeOX!"O(%;3O-+@
‚#9 '%6#=H"7.\7.7
'%6^&!K1OQ,-O1

V#‚{aTf!
=11,17<!HH6J#&]>
3#.#*P #J^;H
9!
3. A<IJK!!LM!#!N!O
a. 5CD!
R-%%Q+2@7>3$`_J#•.#H
#$:Y%Q.-#=:
Y.(!`_•.#JO.Y4J^%#I(%#.G`_
@#.*OO#7:8.G`_J
#!KG%-6+2*OO+@!
b. 0+3
E*F)F)A<L
17
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
k-%Q7J:+@Y\\Tm7>3
.7Vg_:%O>3Vg_!w:8+@t`_P+@(%
'%$:Y7+_"‚##%7!
R-%QO+@99$#.GD_")"T`!_N
(`_9E#FO$_"+@>3+$`_E_"
*:8#.G`_@!WQ#F,FH
#$H7.`_@!7*%-O-
+@Yl>3+I6 ]9
]!
4. A<23#
w,-5Y39%-+2*#VW`a.
:8L:`_!\%O•Z79%N%5.#
VW`alJ#Yn)`"`_.+2*!a+2*
&+@Z79%N%5%N`_>:!\%

19
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
E*F)S)*<Q>/
#T!!&
w,-#$%&$&9#.=;
Q%8-.2 .9=;:8!
IV. /011<
)39%+I- c$‚y
%&P.#%9!+I-J'%o'%
6!
1. A*+
- a.3N%9,-0:39%‚uy(^l
#.-!
- R:Y.79]5+@.4#OJ^
H‚uy#$l#.*0:
O!
20
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
a.3O^-# 816%r6
5J.GO!aO8+O#.6..G
#+2!aON@Q3.i+$ 
]'%=!R:Y#+.&##J,#$t.^
:.3*%$.#J^!x|:Y+
.&.+@N.G+29%6!
)1-J:YBCD(%OO-M!
"N(:@.G]U.+2M4XO:$
]5%6OJ^-J‚uy#
$5%'%O!"+I#-:#>3$:

R7#|$]%&+@#S7#2!
WL‚uy$M!
W=&‚uyO8+@:8(%!
W+%H%p_\.#&57###77!
- _‚y.Ga7%.7#
a7\%.7#3+@>3%&.(
%& NO#2!
a7%.7# 3M4+F%dO+@&&N
%8.#^DCC‹YIJ`_+
.(+I;5.eO+@Y:
22
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
Un#:OOeOX.#P+2**:-
;(%6!
R%<@Y;$M%a7\%.7#;3%-
%d:-#HN(M4
#dR7#%7`_`_ mŒ77"7{7"7R7#%7
"77."7\7#!_N(OH%
#$#J257%OrO###
-H%37#Y_m‰#dJ#:.%
d`_!
- _‚y.Ga7\%7
a7\%7$#H3 %2-.=:-!
a7\%79(%V#‚.V#‚"g…)#7Q9
`_FN.IJ+b\\Tm98$Yn)`"e
J5%-.%AeO!
a7\%7OMW`a >3%A
BCD!EEBCD!EE.BCD!EE
";^b

%:{\S.Q9$:57!
- S+Gsb".F$a7\%7N(‚7&:
Yp_\!
24
Mạng không dây – Trần Thanh Hoa
Viện công nghệ thông tin & truyền thông- đại học bách khoa Hà Nội
- S+GjbW57F8$so…#-IUF8$#^u7‚uy
‚uyX
- S+GobS1.+%y7a7\%7#OOL$p_\%
&‚uy
- S+GhbRJy7L$.t1+@9VTpWgO$.
‚y9Jd!
3. /\#K#VW
a. A*;!#]^
K ]%H%‚uy#P,-O0<=
‚uyN-!
aOQ#.5Y:+@*@#$%$-
!
b. A!_VW
w,- ]$ 5Yb
- \\Tm
- wJ^3d\\Tm
- f+I;>3!
- R%&#eOVW`a
ZB`7&VTWH
- S1O.Gb!
S$%=1OH%BCD!EE'%Jv.(%O
+@57#V7 ]|I!
_N(O+@-%6JeVg_…‚!
aOOJ^1+@(%9d2.:@.G%!