738(09126228713) !I6 5 5 )H [email protected] M N$,( F J !"6KL
D M)O [email protected] M N$,( F J !"6KL . N> $l $ j 6 ( O > : #> C S l O 6E > z! C S l $ j $ & 6 I? # b+ ( E > ( AJ0 3" ' 4 #> 0" ( ; P8 4 l l y 6! 2 0 7 ( . ! ( ( B # . 1 )Y U & U 68 ( ( $* ( ! S > C , (5 j 3 q l l (j ( # ( + $* oI W ; C ( " 2 0 6 WiMAX #> C ( " z! 0 ( ( ! > 6 WiBro (l" $* P8 4 P S > 4 # b+ .6 ( D ? (8 % y l 6! #> (WiMAX,Wi-Fi) C #> K "5 6! :( " = 2 0 . E > = = /B& (ADSL) C
.GPRS :4G :3G :IEEE 802.20 :IEEE 802.16 :IEEE 802.11 :Wi-Fi :WiMAX :WiBro :=
( " 6 Z ' 4 ( { U $* 6 N Y 6A 0" W . J E I5 ( " C 0" Y 9 $ (j 3 $ Y = :# 5 E K5 PR x # Y 35 2 , I A :j C ,5 o 0 Q Q : 6 K J E )4I , :0" I5 (4D = $ A ( C LA (5 $* JA . Y (4 )4I , "
[2,1] O . % #> ! ( 8 "0 K A KB " C " 0" (| IEEE U #> C , R ? 7 (j N> P * $D ( 4 K 5 E5 WiBro ( " RWE [11-8] # b+ .6 ( K #> . ( 4 > ; 4 C , W 6! y .6 $ . C , #> C #>
6& 0" (j I U & y 5> #q+% ( 6", ADSL 7 C #> 0" C 12 32 # b+ D ? E 3j D , M > Q S l 6 E I ! C 0" y l i wW :6 7 Y AJ0 3" ( C (j P" $ j $l 7 Dd
( B # ( .[3] 6 + 4|2 , C , W C .+ 6A ( #> C 0" W ( " = ; # O 12 32
1 5 > 9 ( ( # 5 E O (5 F d ( .6
The Second Conference on Electronic City Wirless Broad band
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<4 ( " # b+ C ( LAN ( " # ! #> C , (l" i ( ) 'W 5 /0 h" $ = (l" (8 % ) 'W [V . ( ! >
(5 6 IEEE802.20 ( h !* D .[7] 3 )M 'W . j Ej WiBro & (5 D WAN ( " ! (| y l y > ( P :( " # . , % E5 = 2 <4 .D $ D( E > $> (1A 6 D D 0" F 6 F k/a` 2 I5 ( " 6A 5 % 8*9 3 ; < % !
I ,D ( " (5 2 . (T1) ( Q y 9 0" 6 C ( " #+1 . ( ND ( Q 6 F ^/a` + * $ Y E 3j D { &
802.11a " C I& ( " = # b+ . ,j K2 AJ0 y + Kl . ( Q 6 F a` 6A C 0" F # h" ? (l" #
.[3, 4] $E W (l" W T .+ ? 4 6 [ (5 6 (R=W.log(1+S/N) $ ( 8 C , S/N 35 > W W 35 6 Z R ( 8 # (5 6 # F ( 8 # . 4 ( 3F G8 4 E > ( 3" 6 Z ' 4 6 wW 5 > ' 4 0 .C K E # O 6 (5 ' 4 %! 3+ 2 ,5
.C ,5 wW 5 )B = ( J 64I= :1 I ' > 68 ( ( $ ( " oI W 'W
* 1 ( ( (5 + C ,B 'W M ( $* 5 :,5 B :$ GR C ( " i Y 9 .C > F ^ K . F 3 ! x = & RW (5 . $E W C , oI W ( " IEEE802.15 PAN (l" * ( (j l C GN2 7 ( IEEE802.11 K ) ( . ( D -( " h" D LAN ( " (5 & $+ ! = & I& 5 k___ k__ 2 = F O K 3" V5 M # h" ( . 5 6 ( 3R # b+ ( " [1,2]
h" (5 ( h ) 3 6 4,= 6 $ .8 , IEEE802.16 # . , ) MAN ( " ( (j ( " i h" ? C F KR I 5 a_ & ( " ( $ $ 5 9 # . ( " 1 Frequncy Selective 2 Personal Area Network 3 Local Area Network The Second Conference on Electronic City 5 Wide Area Network 4 Metropolitan Area Network 684
Wi-Fi S D 6 I? • RW ( " I& ( " : ,D ( " WiMAX Y ( D 6 I? ( ( ( " K, .6 ! 6 ( $ (5 6 5 #q+% 6! = (Access) (Y JB $ 8 (5 (Wimax) #> C , : + $* ( # ! $ L&" # ( +E W C , ( 652 , O 45+ 6 ( , H b | " 6 . = 6+ # . D ? 9 3 7 ( (5 # 6 ! IP T* ( 0" F $ $ KB K+2 ( 3 5 7 .5 KR F ( WIMAX = 6 = (> C 0" C , K, = 6+ ( 652 # > ,5 wW 5 KB (5 , OFDM 1 ! % + h" $ )B - E D , M = P , C NLOS 2 U & b > U O $ (4 C5 0" , (IEEE U ) 802.16 K > $ A ( # b+ .5 n 2 & O? ( 6 6 $* 2 C ( " 4F (5 6 ( !
("? Fixed Wimax (W, $ 5 .6 # 8 (1A 8 (802.16e) Moblie Wimax (802.16d) Wimax ( " ' > * ( ( #> C K Wimax .[5]6 6 + ( $* 5 ( ( ( " # 6 +I, ) K, Y I W C , +5 , ( 4
ND 4 [ + 6 .6 ! Y 4 F D (`^) ,5 C , # . C (3G) # (5 AES DES3 K (5 5 " E> 5 a 6Q F , I 5 a_ i8 5 5 . # > 6, 3+ 2 Y 6 4 # . ' > F , I 5 ka
! P W Wimax K A # (+ I& C ( " (5 6 2 .[3,5]6 + = = u_ ( 6 2 X5 802.16 K > Wi-Fi C , : WiMAX (l" 4 .6 & k__ A B = ;>! ?@ 0 # Y 0 E5 K5 GN2 • l l y 6! 2 0 ( " F (8 (4 (9 • oI W E5 ( " 'W S v& $ 5 h" 6 I? • , :5 ND ( ( # (5 D4 65 ppGHz ^ GHz :,5 •
# / ( # b+ . ! 5 # 8 ^_MHz k,a MHz : > • # (5 8 ( , .6 6 + 4|2 6! t_ Mbps : AJ0 3" • ( " 'W :6 6 + a_Km i8 ( & $ ? ' > 6& • @8 (5 6 ( . LOS NLOS 9 ( AJ0 3" • D . E O? ( (5 o8 T1/E1 DSL :I5 = ( 3R $ • S $* $ 4 8%? : ( D ? d (
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( " ( $ E5 ND & # 8 (5 6 6 + ( 'W # .C ( ( * ( 6 )Y 8 K,
.C > 5 3 q Wibro / ( " 8 & 6Q $ j (j Wibro #> C (l" ( ! K 6 $ 8 :6 2 0 j Ej ( ^__` 3 i ^__u 3 S> # 3 . " (j (l" # 8 K, .6 $>
.[5,8,11] $> ( ^__a 3 6 IEEE802.16e ( = k 3 (5 %+ . $E " ( " ! uK
U (5 * /"0 . OFDMA 2 0 6 (| 5 E5 AJ0 W #> C 5 .6 ` K 9 ( oI W
wibro 64I= $D .? I
+
: 6 9 ( j l 3 C C ^__r ^___ 3 ` K /% #> C .6 ( (72J K?
Y I ( " $5 E a K .6 ( D (ADSL)
. $E K 6 ( " $+ IEEE802.16e " " ( " 3 ( " # RWE (5 K Wimax .6 * (k)
wibro 4I= FMJ :1 ./
$ R' +S' 4,= # $ .Q , The Second Conference on Electronic City
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I5 0 ( . , (VPN) 9 R! ( " D E5 6A> 6 $ 5 p K # b+ . , 6Z2 i # (%B ( (%B YR . $E 5
, NLOS S (5 C ( " 6Z2 i # : C ,B $ 5 # C 35 $* 2 ( " # 7 $ (5 # 6Z2 5 F4 ; : + 7 :F4 " 5 :( " $* -! EW ! 9 3X . ( " F 'W ( = 5 ! 0 ( :( " . } |
/ ! AL $ # .T , 65 > (5 # ( ( 3 kmmm 3 p K (5 ( F+ :6 F 6 KR ( " ( (5 5 E 5 $ I kk ( 6A> 6 $ 5 ^__u . * ( " (RWE " ( " (8 ( [9-11].6 )Y > 2Mbps ( 6 # + 5 :3X : ( " (5 k__Mbps ( F ( 0 5 ' 4 ( " :P # + ( . # F (10bps/Hz/Cell) 3" # ! * 5 N> T B 100Mbps O . ( 32 65 Handover IPV6 6A I 5 ka_ 6A v& 6 I?
MI MIMO + * !
ND 6+ ? 3 i W [ * C 0 9 D ?@ 0- $ 4 ( ( ND 6+ ? 6Q ND 6+ ? : , C%&E' T FE , :3X . U & = P 6! = # (5 2 .+ 6Q ND 6+ ? (5 # b+ P 6! ) i ( K+ AJ0 [ $D (| 65 C $* (8 6 $* $ 6+ ? i # 4 ( " . , ND 6+ ? # > ( . = = 2 0 . " E> ND : C ! R W %
"! # $ [ (| U ( " [ l (j 5 6A + 6 ( " (5 6 3 v E U I+A D* 6Z2 $* # $ KB 6Z2 $ oE5 6Z2 .( " $* -! KB # ( + .5 $ 5 ( , D $* The Second Conference on Electronic City 1 Non Line of Sight 687
< $ ZC 3 4,= Y(L .X , :5 (MV 9 ( 6 # . + 2 0 $* z RW (> F , 6 WEr K (5 0$+ ? ' > 6& &% 8 /0 8 ( /0 # b+ . [ (I9 $ 5 &
( " ( %&' IEEE 802.16 7 S > m K
E K (5 0 $+ .[8] $E 3 6 $ VL W 4'O
%&' : " E> S > i C ( " 2 0 (b* .' S > (%B ffM ( (%Bf S > [ (| (5 $* 6 7 ( " # .+ PR +A ( " = ( KR (> F , 8 " E> v E 6Q F , 9 (> F ,
4^5 & 4 4^5 Y(L .\ , /0 o8 S > rK .5 . $E
I K5 :mK F ( K? ( # O ' > (5 6 (> F , # * PR # h" (I2 ( (I2 0 ( k_K .6 )Y 5 (5 0 $+ . $E 45 ( , v E 4 v E 4 (> F , # h" : K #
The Second Conference on Electronic City 2 Core 1 Base Station 688
6 # + (I : I $+ >* (%B M ( (%B C ( " = 9 ( h" 32 (%B # ( (5 (,+ ( ( " ( 3R (%B M (> F , # 3R K! U . , C $ 'W # .6 (%B ( (%B C 3R = 9 .+ KB F , = ' ( " :I& .6! U" 6 #I 45 ( " ( " U 9 ( $ ( " : > ( D = D ( D 7 C ( " (5 (b* O?
+ , ( " F D ( = = .[6]6 $4+ 0 ( I h" $ :6 + D I C5 , $ (*3 2 I& K! w ! D D ' S > F , ! ( ! 5 ( ( " :
.[12] , 51 6 7! ,/ 7/ 8*3 4
= .5 *5 0 ( > ' ( " a 4$%6 F a< + `= .1_ , D $4+ K :' ( " C , 5 (5 # $ : KR ( " ( I W )$ %&' $ & LA ' ( " 3 5 (I9 . '5 (5 * v E 4 ; # .5 C @ 4 $ K! ! G 0 (%B M (%B PR (! ) 6E> 3B , , P # ( .5 > h" : "A (5 , 4 "8 ' ( " . ( " , F4 ' 4 LA (5 / 6 9 ' = U $ ( " ( " # # h" D (5 2 . , ! ' ( " U! ; ( 6", ' S > . + (> F , ! # i + :5 ! +5 B ( " ( " S > { 6 E N> G%8 : C5 ! ( (5 5 . (1 GN2 D $ * ( .5 > 6B%
. ! P * ! # | VoIP N> =& $ 4 ' 4 . { $* $ + : KR F ( " = ( (5 ' ( " (" 6+,? E , ( " { :8 K, ( " $ 5 . E ! , = ' 4 { # 6B% $ ( " K E = ( 6 # + ( , # :# 5 E 8 ' 4 -( " (5 + ' > $ K # + ( . ( . K" F ( " ' S > :8 K, . [6,7] ! d
/ - : "A ' S > 4 + # * (5 . , 4 ' ( " * + &, - ' ( " D (5 ? ( " 6J5 # ( (4 :(> F , +5 8 6IA ( K! LA 5 # .5 ( (+ # * .6 +5 S > 4 # . 4 9 ( $* # * (5 ./ *$ 01' 38 6 E F4 ' S >
1 The Second Conference on Electronic City Smart Antenna C5 ( " . K? = # ! 2 Omni-directional 689
U (! o? 6 2 :WiMAX UMTS :GPRS - > 3 ( D %! LA U Hotspot +A WLAN ( " .D ND '5 LA 3 # .[10]5 (5 E > .D h" LAN ( " ( , # + 6 , C ' ( " D b > .6 "5 S > # M :C $ E5 /0 $* , K > > (5 6 LA
802.16e $ K + (5 6 ( ' S > K # + ( . K E Wi-Fi 6 I? (5 I+2 K? V5 $ 7 ! 9 ( C ( " I+A # > : , $4+ 0 ( WiMAX # + ( . 6& $* |4 6 ( D $ NGN C , Wimax / I . ! - ( " ( > (5 7 ( K 5 ( * C 5 W ( " = oI W (%B M ( (%B S > : 9 ( C
0" 8 o 0 FW> (5 6 6 .[2,3] D . [12] :+$ 4
F *G9 +&% 6 I"? 6! U ( F , 6! wW 6 Z ' 4 W 3 9 $ I5 ( 8 /"0 KX /0 . (B% y y
.5 N> w O > ( 3" (ADSL) C #> h" (j $ 5> #q+% C , W 6! y ; P j 6Q & 6 ' > 6
M > Q 6& 0" (j I U & y (ADSL) C (WiMAX,Wi-Fi) C , 3" ( # b+ D ? E 3j D , [8].D l l , 2 0 C , W y l i wW :6 7 Y AJ0 (4D # ( + 0 ( ( " :P5 S > # 6! . 6 + 4|2 , 5 wW ( " ( ! $ 5 $5 KR E > Ej l $ 8 (j j Ej W # ( + ( y l ; ,D (
> IEEE802.16 WiBro ( " . , > 2 0 Y I (l" (E M j : /0 # + ! # .6
#> + ( WiMAX :Wi-Fi P5 S > $ (5 6 P 7 # ! # . ADSL @2 )A (% ( /0 G # ! C $ + > hB @8 Wi-Fi ( " 4,= b Y(L .11 , :$* JA . C $ 5 (+ 3R
3 : # +@ [ ( (5 5 :3G :Wi-Fi) ( " (M U + 5 P # ( [ WiMAX 5 : 9 .6 ? h" ( n FTTx :DSL :WiMAX ( I 6! (5 .+ 6 ! ( " ( 5 h" kk K (5 %+ :6 P "? K? 2 4 $* 6 5 5 U 652 32 :6 ADSL S U (!
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3 ( [ wW # ADSL S B0 K 6 ( (j j : ( > (| # b+ 6 5 , 6! (5 #> $ 5 +5 , 9 +I, (5 v& $ 5
. ! #l+ (4D # WiMAX : !
:7A [1] IEEE 802.11-1999, IEEE Standard for Local and MetropolitanArea Networks Specific Requirements – Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, June 12, 1999. [2] IEEE 802.11g-2003, IEEE Standard for Local andMetropolitan Area Networks Specific Requirements – Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications Amendment 4: Further Higher Data Rate Extension in the 2.4 GHz Band, June 27,2003. [3]Mehmet S. Kuran, Tuna Tugcu ”,A survey on emerging broadband wireless access technologies”. [4] IEEE 802.11e-2005, IEEE Standard for Local and Metropolitan Area Networks Specific Requirements–Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications MAC Enhancements for QoS, 2005. [5] IEEE802.16d-2004, “IEEE Standard for Local and metropolitan area networks Part 16: Air Interfacefor Fixed Broadband Wireless Access Systems”, IEEE standard, October 2004. [6] J. Tao, F. Liu, Z. Zeng, and Z. Lin, “Throughput Enhancement in WiMax Mesh Networks Using Concurrent Transmission”, in International Conference on Wireless Communications, Networking and Mobile Computing, Sep 2005, pp. 871-874. [7] IEEE P802.16-REVd/D5-2004. “Air Interface for Fixed Broadband Wireless Access Systems” 2004. [8] Donsung Oh, Daesik Kim and Seungku Hwang “Introduction of 4G Activities in Korea”2005. [8]Mehmet S. Kuran, Tuna Tugcu, “A survey on emerging broadband wireless access technologies”,ELSIVER , 28 December 2006 [9] Byeong Gi Lee, WiBro A Mobile WiMAX System, and Radio Resource. Management, SNU, September 2006 [10] Daejung KIM, WiBro Overview and TTA Activities, GSC, September 2005. [11] Young Kyun Kim, GSC-11 Standardization Status of Wibro since GSC-10, GSC, June 2006. [12]- www.WiMAX Forum.com
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