Broadband Fixed Wireless
Field of Dreams?,
Or
The World Series?
Chuck KissnerChairman, DMC Stratex Networks
Broadband Fixed Wireless
• Why did our industry miss the target?
• What did we learn?
• What can we do for our customers?
The Golden Opportunity?
MANYMANY
FEWFEW
Total Number ofMed-Large
Comm’l Buildings
Number of BuildingsDirectly Reached
by Fiber
1996 – “It Was A Very Good Year”
• Little Direct Fiber Access
• T-1 Rates Justified $10K Wireless Links
• 38 GHz Spectrum
• Technology And Faith Solves All
Our Industry’s Response
• Revive an Old Technique
– Point-to-Multipoint
– Millimeter Bands
• Make Promises
– Low Cost
– Easy Deployment
– Efficient Spectrum Usage
• Faith and Technology
W i r e l e s s C a p a c i t y N e e d s A r e C h a n g i n g T h e D y n a m i c s o f B r o a d b a n d A c c e s s- - N e e d s v s . B u i l d i n g S i z e
0
200
400
600
800
1,000
1,200
1998 1999 2000 2001
Real World Topography
Source: Winstar
Line of Sight Issues
D ed ica ted E q u ip m en t C o sts (R e la tiv e $ /M B )
1996 1997 1998 1999 2000
DS-3mmw PMP
New and Old Wireless Architectures Deliver Fiber Speed
POP
Fiber POP
RingStructure
Shared Mesh
Per Node*Current 45-465MbpsFuture 45Mbps-1.9Gbps
Per Node*Current 45-465MbpsFuture 45Mbps-1.9Gbps
Per Node*Current 45-155MbpsFuture 45-622Mbps
Per Node*Current 45-155MbpsFuture 45-622Mbps
* Node: Building, Subscriber, or UMTS access point* Node: Building, Subscriber, or UMTS access point
PTPPoint-to-PointString/Star
RemoteBase
Stations
RemoteBase
Stations
RemoteBase
Stations
Fiber-Like Wireless Ring Structure
mmw PMPDS-3Shared OC-3
$0$1,000$2,000$3,000$4,000$5,000$6,000$7,000$8,000$9,000
$10,000An
nual
Lic
ense
Cos
t
UK
Arge
ntin
a
Bras
il
Aust
ralia
Aust
ria
Pola
nd
Thai
land
28MHz Channels
56MHz Channels
Paul’s Request to Us
• Equipment (on a cost per MBIT basis)– OC-3 links loaded
• Installation– One install serving multiple customers
• Ongoing operation– All on net
Lowest Cost of
Real Solutions – What Can Industry Offer?
• Cost-effective High Capacity– Customer Trend– Shared and Dedicated 45 Mbps to OC-12– Star, Trunk, Ring Network Configurations– Modular Capacity Chunks T1 and up– In-Building Interface and Distribution– Proactive Network Management
• Multiple Access Over-the-Air– Feature of High Capacity Systems– Probably lower frequencies– Maybe optical
Wireless – Filling the Bandwidth GapCopper
1x
Photonics500 - 1mm x
BBW10 - 100x
DSL / Cable Modem
MMDS
Point
Fiber
100kbps
1Mbps
20Mbps
40Mbps
200Mbps
600Mbps
2Mbps
0
High & Ultra Hi-CapPoint-to-Point
PTP
PMP
Sources: FBW & DMC Stratex Networks