مروری بر شبکه های وایمکس

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معرفی شبکه های وایمکس اطلاعات درباره وایمکس تکنولوژی و ابزار راه اندازی شبکه های وایمکس

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( : WiMAX) ( : WorldWide Interoperability for Microwave Access) IEEE 802

:

(WiMAX) . . . . 5 ( ) - (WI-FI) . . ( -) . .

. . LTE-WiMAX .

( : WiMAX) ( : WorldWide Interoperability for Microwave Access) IEEE 802.16 . . ( ) . IEEE 802.16m . . (DSL) .

(wimax) IEEE 802.16 ( ) - IEEE 802.11 .

. . IEEE 802.16 . IEEE 802.16d IEEE 802.16e .

WiMAX ( ... ...) . Dial-Up . . XDSL - (WI-FI) . ADSL . . ( ) . . . . . . . . (WiMAX Forum) . . . . IEEE . : .d .e " (Mobile WiMAX)" . WiMAX Forum .

. . . . . . . BridgeMaxx . Clearwire . . G Wi Fi . G Wi Fi . LTE .

: - : (Multiple Input Multiple Output ) - 63 25 .

- (QoS) : MAC IEEE 802.16 . (DSCP) (DiffServ) MPLS .

- : (EAP) (AES) CMAC HMAC .

- : - . 30 ( 50 ) 10 ( -) .

- : .

- : . . .

- : .

- (Scalability) : MHz . Air Interface . .

WiMAX . WiMAX WiMAX WiMAX . ( ) . WiMAX ( ). WiMAX ( - - ). WiMAX . WiMAX .

WiMAX () . WiMAX wireless WiMAX . WiMAX Wi-Fi . BTS . WiMAX download upload . . . . ( mesh ) (beam-forming STC ) RF ( ) . interoperability ( ) .

:

(VOIP) - (Broadband)

. .

( ) .

- (Backhaul)

(GSM) (CDMA) . 3G, 2G 4G . 30 (50 ) E1 T1 . () QoS .- (Triple-Play)

(QoS) . VOIP IPTV .-

. . ( ) .

-

(throughput) . BS . UMTS .[ ]

:

(BS) .

/ .

:

(NLOS): - (wi-fi) () . - . 2 11 . (NLOS) .

(LOS): . . 66 . .

(LOS) 30 . 30 . . . . . ..

. (CPE) (Subscriber Unit) . . . . .

- : . Zyxel Motorolla :

RJ45

RJ11 VoIP

. .

(gateway) VoIP

- : . .- : Max 4G 12 2008 . . Evo 4G CTIA 23 2010 4 2010 . 3G 4G . Siemens Sony Ericsson Samsung .

- IEEE 802.16 IEEE802.16e-2005 2005 IEEE802.16e-2004 . 802.16e-2004 802.16e-2005 . .

IEEE802.16e-2005 IEEE802.16e-2004 :

. IEEE802.16e-2005

(FFT) . . OFDMA

(Antenna Diversity Schemes) (HARQ)

(Adaptive Antenna System) (MIMO)

(Turbo coding) - (Low-Density Parity Check)

QoS VoIP SOFDMA IEEE802.16e-2005 OFDM256 ( IEEE 802.16d) .( ).-

IEEE 802.16 10 66 . IEEE802.16a 2004 2 11 IEEE802.16-2004 . IEEE802.16-2004 2005 IEEE802.16e-2005 OFDM 256 ( 200 ) SOFDMA . IEEE 802.16e MIMO .

- ( )

(MAC) . (slot) . .

Wimax Wi-Fi

.a . ( ) . .

(ARPU) HSDPA+ HSUPA EV-DO Rev A 75/1 ARPU SLA . . HSDPA+ HSUPA EV-DO Rev A . EV-DO Rev A HSDPA+ HSUPA . EV-DO Rev A HSDPA+ HSUPA . !

ADSL 7 . 7 . . . . ADSL . 2010 555 . . . (VoIP) . . ADSL . ADSL Dial-up . ADSL . ADSL . AES DES .

2010 593 117 117 113 86 78 53 29 . 2009 621 .

. . . :

- .

( ) ( ) .

ADSL . . (beauty contest). 17 .

. . 2010 .-

Infonetics 2008 2009 . Maravedis 2008 2.68 2007 91 2008 13 .

-

Infonetics 2008 21 245 2011 76 2008 .

2008 . 3 60% . Telsima Airspan 2008 .

-

ABI 18 LTE ( 2011-2012). Verizon LTE 2010 2009 . 2013 8.6 LTE .

-

Aperto Redline . 2009 . Nortel . Nokia 6 . N810 Clearwire Xohm Clear .

100 2009 . . .

. . . . 470 .

WiMAX LTE 2007 . 2009 . ( ) 2008 . . ( Mobile TV VOD online gaming) . . . WiMAX LTE GDP . . WiMAX . DSL . Analysys mason 2009 . HSPA G3.5 WiMAX LTE . WiMAX . 18 LTE 2011 2012 . WiMAX 2010 . Verizon LTE 2010 2009 2009 LTE . LTE WiMAX WiMAX . 2009 . . 17 013/0 031/0 . ( ). ( ) . ( ...) . ( 50 ) 3G ( ) . . 3G ( 1000 ). . .

128 36 800 10 . . 256 41 400 512 50 400 . 68 600 104 900 .

( )

( 1:10) ( 1:9) ( 1:8)

kbps 128368000404800441600

Kbps 256414000455400496800

Kbps 512504000554400604800

Mbps 1200686000754600823200

Mbps 2104900011539001258800

128 294 400 256 331 200 512 403 200 . 548 800 839 200 .

( )

kbps 1282944000

Kbps 2563312000

Kbps 5124032000

Mbps 15488000

Mbps 28392000

. 10 .

.

- .

87 7 9 .

WiMAX . . Upload Download . CPE . WiMAX . . WiMAX WiMAX .

. 87 . . GDP ICT . (CapEx) . ICT " ICT " . WiMAX HSDPA WiMAX " " LTE WiMAX . . ICT . .

) . . ) . LTE . ) . .1- "Mobile - ". http://forums.whirlpool.net.au/forum-replies.cfm?t=1418240. Retrieved --.

2- Wi-Fi WiMAX 3- WiMAX - .

4- - 5- " ". http://www.techpluto.com/wimax-in-detail/. http://www.wimaxforum.org/technology/. Retrieved 2008-07-22.

. http://www.lightreading.com/document.asp?doc_id=104349. Retrieved 2008-03-22.

6- - - 2010 http://www.wimaxforum.org/sites/wimaxforum.org/files/page/2009/12/wf_monthly_report_06-2010.pdf

http://www.ictna.ir/4166.html

http://www.isana.ir/index.php?option=com_content&view=article&id=644:1388-09-10-06-39-07&catid=3:1387-10-22-14-38-15

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