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MultiBeam Smart Antenna Technology for Reduced Network Costs
Broadband Wireless Forum
February 18, 2001
Dan Castellano
VP Operations and Manufacturing
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Wireless Online Confidential2
About Wireless Online
MISSION STATEMENT
To enable the wireless generation by
delivering the best coverage and capacity with significantly fewer
sites
• Founded In 1995• Headquarters in Silicon
Valley • Facilities Texas, Israel and
Latin America
• 85 Employees• Design and manufacture of
wireless infrastructure equipment
• Investors• Charter Ventures• August Capital• Mayfield Fund• Redleaf Venture Management• Safeguard Scientifics
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Wireless Online Confidential3
Wireless Online Technology
Wireless Online’s smart wireless PointBeamTM platform supports broadband wireless access solutions• Increasing the capacity of wireless networks by providing:
• Spatial Division Multiple Access - SDMA• Frequency reuse• Interference cancellation and spatial diversity• Increased gain for larger footprint• Higher data rates
• PointBeam equipped networks reduce the number of required cell sites • Compatible with wide range of frequencies, protocols and
networks
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Wireless Online Confidential4
PointBeam Platform
• Base station• Subscriber• MultiBeam • Scalable• Plug and Play• Compact• Sleek design
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Wireless Online Confidential5
PointBeam Product Benefits
• High Capacity• Supports 4 times the number of users• Increases data rate
• Superior performance over traditional configurations• Improves Quality of Service (QoS)• Reduces interference
• Reduces the number of required antennas and base stations• Patented MultiBeam technology
• Scalable solution• Grows systems gradually as usage increases• Single antenna expandable to 6 beam configuration
• Simple installation• Compact design• Flat panel, 90º sector, mounts on sides of buildings
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Wireless Online Confidential6
F1
4 Sector Cell
2 x Reuse
F1
F1F2
F2
Frequency Reuse
Each Picture Represents a Single Cell
Single Cell MultiBeam Cell
Additional
4 x Reuse
8X
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Wireless Online Confidential7
• PointBeam Cell:• 4 X 90 degree multibeam sectors • 6 beams per 90 degrees• 4 X frequency reuse
• 2 X reuse within a sector• 4 X number of users• 4 antennas required
F3 F4
F4F3
F4
F2F1
F2F1
F2 F1
F3 F2 F1
F4 F3
F2F1
F2 F1
• 4 X 90 degree sectors• 2 X frequency reuse• 2 X number of users• 4 antennas required
F1
F1 F2
F2 • PointBeam Cell:• 4 X 90 degree multibeam sectors • 6 beams per 90 degrees• 4 X frequency reuse
• 2 X reuse within a sector• 4 X number of users• 4 antennas required
• PointBeam Cell:
• 4 X 90 degree sectors• 2 X frequency reuse• 2 X number of users• 4 antennas requiredF1
F1 F2
F2
Cellular Tiling Schemes
• Standard Cell:
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Wireless Online Confidential8
Service Cost Per Subscriber
Data Rate (kbps) 56 128 256 512 700 1000
30,520 13,310 6,550 3,280 2,250 1,640
4-Sector 7,630 3,230 1,640 820 560 410
No. of Users
PointBeam
SuperCell Case
2226
34
50
64
82
20 22 2633
3947
0
25
50
75
100
56 128 256 512 700 1000
Upstream Data Rate
4-SectorTraditional
(kbps)
$
$
$
$
PointBeam
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Wireless Online Confidential9
Revenue Increase for SuperCell
$0
$10
$20
$30
$40
$50
$60
$70
$80
$90
YEARS
Millions
Wireless Online POINTBEAM SUPER-CELLConventional Revenue
Revenue with PointBeam
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Wireless Online Confidential10
Service Cost Per Subscriber
Data Rate (kbps) 56 128 256 512 700 1000
106,800 46,590 22,940 11,470 7,880 5,730
4-Sector 26,700 11,650 5,730 2,870 1,970 1,430
No. of Users
PointBeam
MultiCell Case
2331
45
73
99
130
22 2330
4354
68
0
25
50
75
100
125
150
56 128 256 512 700 1000
Upstream Data Rate
4-SectorTraditional
(kbps)
$
$
$
$
PointBeam
$
$
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Wireless Online Confidential11
Revenue Increase for MultiCell
$0
$100
$200
$300
$400
$500
$600
$700
Millions
1 2 3 4 5
YEARS
Wireless Online POINTBEAM MULTI-CELLConventional Revenue
Revenue with PointBeam
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Wireless Online Confidential12
PointBeam Benefits
• Increases capacity 4 times over 90 degree sector system• Increases revenue 4 times over conventional networks• Increases service quality due to superior RF performance
and spatial filtering• Maximizes return on investment• Simplifies installation and upgrade• Complements multiple networks and standards
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Wireless Online Confidential13
Conclusion
PointBeam Platform Improves Performance While Reducing Network Cost