WIRELESS WORLD SALEH AL-ABBAS 960394 OUTLINE INTRODUCTION. WIRELESS TECHNOLOGIES - Wi-Fi - WiMAX BASIC FUNCTION. EVALUATION CRITERIA. ALTERNATIVE SOLUTIONS.

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WIRELESS WORLD SALEH AL-ABBAS

OUTLINE INTRODUCTION. WIRELESS TECHNOLOGIES - Wi-Fi - WiMAX BASIC FUNCTION. EVALUATION CRITERIA. ALTERNATIVE SOLUTIONS. STUDY CASE. CONCLUSION.

INTRODUCTION NEED OF NETWORKS. WIRED OR WIRELESS WORLD? IS IT FUTURE TECHNOLOGY? CENTRINO.

WIRELESS TECHNOLOGIES WLAN Technologies TO SHARE RESOURCES BETWEEN 2+ NODES. PROVIDES SERVICES. (INTERNET BROWSING) SUPPORT STREAMING TECHNOLOGIES. (VIDEO STREAMING) Wi-Fi and WiMAX

Wi-Fi WIRELESS FIDELITY. IEEE a STANDARD COVERS 100 METERS FROM ACCESS POINT. COST RANGE $150 - $250.

Enhanced Wi-Fi IEEE g STANDARD. COVERS UP TO 500 METERS FROM ACCESS POINT. COST RANGE $350 - $600.

Wi-Fi 100 m 500 m

WiMAX WORLDWIDE INTEROPERABILITY FOR MICROWAVE ACCESS. IEEE STANDARD COVERS 30 MILES (48 KMs) FROM BASE STATION. (Debatable) RANGE 10 KM FOR CASE STUDY. COST RANGE $10,000 - $20,000

WiMAX km

Basic Function ESTABLISH COMMUNICATION PROVIDE CONNECTION HOW? WHY? FUNCTION Nature, “Service” USE WIRELESS TECHNOLOGY

ALTERNATIVES USE STANDARD Wi-Fi ONLY. ENHANCED Wi-Fi ONLY. WiMax ONLY. ANY COMBINATION. (Complex)

EVALUATION CRITERIA COST RANGE AREA/COST RATIO MOBILITY

EVALUATION MATRIX A.COSTB. RANGE C.AREA/COST RATIO D.MOBILITY 1.Minor preference 2.Medium preference 3.Major preference A/BC-2A-2 B/CB/D C-2 A B C D BCD Raw scoreAssigned weight A36 B36 C510 D12

COST RANGE AREA/COST MOBILITY TOTAL WEIGHT Ranking 1.Standard Wi-Fi 2.Enhanced Wi-Fi 3.WiMAX RANKING 1 = POOR 5 = EXCELLENT

REQUIREMENT RANGE MUST REACH ACCESS POINT Broken

STUDY CASE: GOTHAM CITY PROBLEM. WHY GOTHAM? REPRESENTATIVE OF MOST CITIES IN THE WORLD NON-UNIFORM SHAPE BIG AREA INFORMATION READINESS

GOTHAM CITY MAP 20 km 15 km

WiMAX COVERING GOTHAM

2 MORE THAN ENOUGH COST = $40,000

Wi-Fi COVERING GOTHAM

ASSUMING GOTHAM AREA 2/3 15x20 KM 2 RECTANGLE. GOTHAM AREA = 200 KM 2 = 200,000,000 m 2 1 Wi-Fi COVERS * pi = 785,398 m 2 # Wi-Fis REQUIRED = 254 ACCESS POINTS. COST = $127,000 WiMAX SAVINGS = $87,000 (68.5%)

CONCLUSION WiMax PROVIDES BEST SOLUTION. MANY ADVANTAGES OTHER THAN RANGE AND COST. STC TOWERS CAN SERVE AS BASE STATIONS. (Minimize WiMax cost)