1. The HighPoint Broadband Delivery System Ermanno Pietrosemoli School on Radio Use for digital and Multimedia Communications ICTP, February 2002

2. economy Driving Forces
Computing, storage, transmission costs
Connected devices
Locations
Transactions
Applications
Complexity
Bandwidth Demands
...go to zero
Networks...
...go to one!
...go to infinity
time
Market Review

3. Acceleration of Change
Time it took for these technologies to reach the 10 million customer mark after being introduced to the mass market
Pager
Telephone
Cable TV
Fax Machine
VCR
Cellular Phone
Personal Computer
CD-ROM Drive
Wireless Data Services
Internet (WWW)
41 Years
38 Years
25 Years
22 Years
9 Years
7 Years
6 Years
<2 Years
Source: USA Today, Info Tech and Pac Tel Cellular
Market Review 13

4. Global Deregulation & Privatization
Telecom privatizations lead to increased investment in modern equipment
Deregulation and Liberalization of telephone companies occurring worldwide
State owned telcos privatizing
Competition being encouraged
Frequency Allocation
Worldwide at 2.5 GHz and 3.5 GHz
3.5 Emerging as International Standard
Meanwhile…….Demand for increased connectivity growing…..Time to Market Critical
Market Review

5. IP WAN & Internet connections in high demand
Huge potential for new service providers and managers of networks classically reliant on terrestrial infrastructure
IP WAN & Internet connections in high demand
IP Platform now supports multiple data, video and voice applications:
Internet access
WAN access
Video conferencing, Video streaming
IP telephony
Value Added Services
Market Review

6. Broadband Local Access Demand (Lines in Millions)
140
120
Broadband
100 80
Narrowband 60 40 20
'98
'99
'00
'01
'02
Source: IDC, FDC, and Lehman Brothers Estimates
Market Review

7. HighPoint Concentrator & S2R Technology Patent Pending
HighPoint Concentrator S2R Technology allows spectral reuse of channel pairs
Spectral reuse with S2R Technology results in a ratio up to 11:1 for spectral efficiency.
A Pair F1 F3 F2 F4
B Pair 22 1 21 2 20 3 19 4 18 5 17 6 16 7 15 8 14 9 13 10 12 11
High Point

8. Throughput Based on Channel Size
Channel Bandwidth
Downstream Throughput
Upstream Throughput
Aggregate Throughput
3.5 MHz
12 Mbps
5.4 Mbps
382.8 Mbps
5 MHz
17 Mbps
7.6 Mbps
541.2 Mbps
6 MHz
20 Mbps
8.75 Mbps
632.5 Mbps
7 MHz
24 Mbps
10.24 Mbps
753.3 Mbps
High Point

9. HighPoint Service Provider Architecture
S2R Base Station
Concentrator
Transceiver Bank
Rooftop/Tower
High End Super Server
RF Modem Banks
Central Office
Ethernet Packet Switch
or ATM Switch
2 Way High-
Speed Data
Telephony
Internet
Video
Conferencing
Telephony
Infrastructure
Internet
WAN
High Point

10. Modems and Switch IF Cabling via RG6/11 to Transceiver Bank
High speed modem
sector -1
High Speed Modems
100 T Connection to
NOC
High speed modem
sector -2
High speed modem
sector -3
Data within the WLL (Wireless Local Loop)
High speed modem
sector -n
Full wire speed
Switch
to Service
High Point

11. Computing Environment
Central Office
2 Way High Speed Data
Server
Data Within WLL
Telephony Server
Connect outside
of the WLL
Full wire speed
Switch
Internet
Server
Video Server
High Point

12. HighPoint Subscriber Side Architecture
Directional Antenna RF
Single RF Cable
Transceiver (Up/Down Converter)
One Cable with IF Signal
10T
Full Duplex
Modem
Switch or Hub
High Point

13. HighPoint BDS aesthetically pleasing flat panel antenna
low profile, higher gain mesh parabolic antenna
subscriber radio transceiver
wireless concentrator
base station
High Point

14. Up to 541 Mbps Aggregate Throughput
HighPoint SuperCell
22 km Radius
Max coverage per unit cost
Up to 541 Mbps Aggregate Throughput
17 Mbps Down Stream/ Sector
7.6 Mbps Up Stream/ Sector
Benefits
Maximize Channel
Capacity
Inexpensive
Simple
Quick
(With 5MHz Channels)
Deployment

15. 2.1 Gbps Aggregate Throughput
HighPoint FocalCell
Optimal bandwidth & coverage
22 km Radius
5 mi Radius
17 Mbps Down Stream/ Sector
7.6 Mbps Up Stream/ Sector
(With 5MHz Channels)
Benefits
Time to market
Invest for return
Simple
Excellent coverage
Migration path
Teledensity sensitive
2.1 Gbps Aggregate Throughput
Deployment

16. 100% Reuse in a MultiCell Environment
HighPoint MultiCell
100% Reuse in a MultiCell Environment
Benefits
Efficiency through Secrotal/Multicell
Endless Possibilities
100% reuse in adjacent cells
3 to 4 times re-use in cell
Excellent Coverage
Highest Possible Bandwidth
478Mbps Cell Capacity (4MHz Channels)
3,346 Mbps in 7 Cell Deployment
83.65Bit/Hz Spectral Efficiency
Deployment

18. Reuse / Efficiency / Throughput
Product Solutions Positioning
HIGH
Multicell
24C
Supercell 24C
Reuse / Efficiency / Throughput
MEDIUM
Multicell 6C
Supercell 6C
Multicell 6B
RuralPoP 6B
LOW
LOW
MEDIUM
HIGH
Customer Density
Positioning

19. Spike Positioning
Positioning

21. Multi-Service Architecture Data, Voice & Video
Customer Network(s)
Data Services, PSTN, Internet IP
Switch
Switch or Hub
Subscriber
Side
CO Side IF
Modem Bank
Modem RF
Transceiver Bank
Transceiver
I.P. Services

22. Multi-Service Architecture Dedicated Internet Access
Existing Premises
Equipment
HTTP
FTP
SNMP
Switch or Hub
Proxy/Firewall
Switch
Router IP IP
Subscriber
Side
CO Side
Modem Bank
Modem IF IF
Transceiver Bank
Transceiver RF RF
I.P. Services

23. Multi-Service Architecture LAN-to-LAN Connections
Remote
Printing
File &
Database
Servers
Remote Customer Office,
Internet
Existing Premises
Equipment
Switch or Hub
VPN Gateway
Proxy/Firewall
Switch
Router IP IP
Subscriber
Side
CO Side
Modem Bank
Modem IF IF
Transceiver Bank
Transceiver RF RF
I.P. Services

24. Multi-Service Architecture Voice-over-IP Connections
PSTN, Remote Office
Existing Premises
Equipment
PBX
VoIP Gateway
IP Telephone
Switch or Hub
Switch
Router IP IP
Subscriber
Side
CO Side
Modem Bank
Modem IF IF
Transceiver Bank
Transceiver RF RF
I.P. Services

25. Product Timeline Head-End
Tower Mount
SuperCell
22C
6-24C
Tower Mount
MultiCell 6B
16QAM
Return
OFDM
Integration
6-24
Sectors
Tower Mount
FocalCell 6B
RuralPoP 4B
2Q ‘00
3Q ‘00
4Q ‘00
1Q ‘01
2Q ‘01
Future Direction

30. THANK YOU !