WiMAX ရဲ႕ System Architecture …

WiMAX Forum ကေန system design ကို ဒီပုံစံနဲ႕ျပပါတယ္ ဒါကေတာ႕ Point to Multipoint Network Structure လို႕ေျပာရပါမယ္ …

Wireless Network ေတြရဲ႕ထုံးစံအတိုင္းပါပဲ Mobile ဒါမွမဟုတ္ fixed subscribers units ေတြရိွမယ္ ပုံမွာ SS/MS လို႕ျပထားတယ္ ေနာက္ ဒီ subscribers ေတြခ်ိတ္ဆက္ရမယ္႕ Access Point Network (ASN) ရွိရမယ္ ASN ေတြကတစ္ခုထက္ပ္ုိရင္ ASN အခ်င္းခ်င္းလဲ ခ်ိတ္ဆက္ထားမယ္ ဒီ Base Station (BS) ေတြ ASN ေတြကို provide လုပ္တာက Network Access Provider (NAP) ေပါ႕ ဒီမွာေတာ႕ ဥပမာ Red Link ေပါ႕။

ေနာက္ Inter Net Gateway ဆီကိုသြားမဲ႕ Uplink backbone Network တစ္ခုရွိမယ္ Fiber connection ပဲျဖစ္ျဖစ္ Point-to-Point Radio link ပဲျဖစ္ျဖစ္ေပါ႕ ဒါကို Connectivity Service Network (CSN) လို႕သုံးႏႈံးပါတယ္ ဒီမွာေတာ႕ ဥပမာ ျမန္မာ႕ဆက္သြယ္ေရးလုပ္ငန္းေပါ႕ ဒီကတဆင္႕ Internet Gateway ကို သက္ဆိုင္ရာ ISP ကေနတဆင္႕ သြားပါမယ္ ဒီမွာေတာ႕ ဥပမာ Teleport ေပါ႕ ။

Fig-7 WiMAX System Block Source: WiMAX Forum
Fig-7 WiMAX System Block Source: WiMAX Forum

 

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