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