1. EBS / WiMAX 101 Bill Johnson

2. Overview Describe EBS environment Describe EBS environment Comment on a large number of licenses held by schools across the region. Comment on a large number of licenses held by schools across the region. Explain how a college got an IT Wireless license without the knowledge of the CIO Explain how a college got an IT Wireless license without the knowledge of the CIO Provide the otherwise uninformed licensee about background, value and offer some guidance on leases. Provide the otherwise uninformed licensee about background, value and offer some guidance on leases.

3. Glossary ITFS - old nomenclature implied Instruction Televised ITFS - old nomenclature implied Instruction Televised TV station – TV set technology TV station – TV set technology Education ITFS Education ITFS Entertainment MMDS Entertainment MMDS EBS - new nomenclature implies Education and Broadband but omits Televised and Fixed. Mobile I.T. services are implied. EBS - new nomenclature implies Education and Broadband but omits Televised and Fixed. Mobile I.T. services are implied. Access Point – Mobile technology Access Point – Mobile technology Excess Capacity Lease to MMDS operators. This could allow MMDS operators up to 33 channels of video allowing them to compete with wired CATV systems. Excess Capacity Lease to MMDS operators. This could allow MMDS operators up to 33 channels of video allowing them to compete with wired CATV systems. GSA; Geographic Service Area 35 miles in radius minus half the overlaps (split the football). GSA; Geographic Service Area 35 miles in radius minus half the overlaps (split the football). MHzPOP – Standard Unit to determine value of license MHzPOP – Standard Unit to determine value of license

4. 1963 ITFS - TV Broadcast Bureau (47 CFR Part 74) Shared spectrum with MMDS 6MHz channels with 6MHz Guard Bands

5. 2008 WiMAX Worldwide Interoperable Microwave Wireless Bureau (47CFR Part 27). (can do 30 yr lease. Must prove services) Re Banded 15.5MHz blocks. Better for Digital Services WiMAX Forum - 2.5-2.7 GHz spectrum (802.16e) Sprint/Nextel 2.5-2.7GHz will be G4! Similar spectrum in Europe, Manufactures; Samsung Intel Motorola Nortel NextNet hundreds more

6. Value of a License Megahertz (roughly 2.5 Mb/sec) Megahertz (roughly 2.5 Mb/sec) GSA (Geographic Service Area) GSA (Geographic Service Area) 35 mile radius minus half of each overlap 35 mile radius minus half of each overlap Pop Pop Youll need help getting this Youll need help getting this Megahertz-POP; MHz X POP = MHzPOP. Megahertz-POP; MHz X POP = MHzPOP. 22.5 MHz X 100,000 Pop = 2.25 Million MHzPOP 22.5 MHz X 100,000 Pop = 2.25 Million MHzPOP $/MHz-Pop. Deals range from $.03 to $2.00 $/MHz-Pop. Deals range from $.03 to $2.00

7. Possible Campus Deployment Seamless roaming off-campus WiMAX Campus system Virtual Campus Calling System Mobile Switching Office WiMAX In- building system T-1 Non-Leased Campus Deployment Users device can be served by Sprint OR Campus system

8. Bill Johnson bjohnson@onenet.net bjohnson@onenet.net bjohnson@onenet.net 405-919-1718 405-919-1718 http://www.onenet.net/~bjohnson/whitepapers/ EBS_Whitepaper_Draft_2008.doc http://www.onenet.net/~bjohnson/whitepapers/ EBS_Whitepaper_Draft_2008.doc