2. How are we going to get there? Perry Correll Xirrus, Principal Technologist Perry.Correll@Xirrus.com How will White Spaces impact the consumer market? Is Super Wi-Fi a subset of Wi-Fi? Will White Spaces mobile devices become a reality in 2011?

3. Amara’s Law “We tend to overestimate the effect a technology has in the short run and underestimate the effect in the long run.”

4. WPAN Bluetooth Wi-Max 802.11ac LTE UMTS Cellular 802.22 802.11y 802.11bgn 3G/4G What is going to Win, Where, how do you plan? 802.11ad 802.11n WLAN WWAN HSPA Wireless Technologies

5. Radio Improvements IEEE 802.11b 11Mbps 2.4GHz 802.11n 150Mbps 2.4GHz 600Mbps 5GHz 802.11ac Gigabit 1000Mbps 5GHz 802.11a 54Mbps 5GHz 802.11i Security TKIP +AES Encryption 802.11g 54Mbps 2.4GHz 802.11ad Multi-Gig 2000Mbps 60GHz 2012 19992000200120032004200520072008200920102011 MAC Improvements 802.11e Wi-Fi Quality of Service 802.11k Radio Resouce Mgmt 802.11v Wireless Network Mgmt 802.11r Fast Roaming 802.11w Protected Mgmt Frames 802.11af TV White Space 802.11u External Network Interface 802.11n –Draft 150Mbps 2.4GHz 600-Mbps 5GHz 802.11s Mesh Wi-Fi Technologies

6. Ethernet to Ethernet Wi-Fi (2.4GHz) to Wi-Fi (2.4Ghz) Wi-Fi (5GHz) to Wi-Fi (5Ghz) Cellular G3 to Cellular G3 ??? to ??? Fixed state devices on both sides of link No Evolution, No Upgradability, No choices Today – Static State Devices

7. ‘5G’ Technology Key concepts discussing 5G wireless communications are: Networks providing ubiquitous computing: User can simultaneously be connected to several wireless access technologies and seamlessly move between them. 802.21 - Standard supports algorithms enabling seamless handover between networks of the same type as well as handover between different network types also called Media independent handover (MIH) or vertical handover. LTE Wi-Fi White Space Other

8. Cognitive Systems Spectrum Sensing, Spectrum Management, Mobility, Spectrum Sharing Software Defined Radios (SDR) Radio components defined in software (vs. hardware) allowing support for different frequencies and protocols. Antenna Design Improvements (SDA) Multiple antenna elements and /or reconfigurable antennas, Smart Antennas, External Antennas, Software Defined Antennas (SDA). Coexistence and interoperability Standards 802.19.1, 802.21, others Next Gen Wireless

9. Multistate radios (2.4GHz, 4.9GHz & 5 GHz) Directionality (Antenna beamforming) Dynamic 802.11h Auto Channel Auto Band Band Steering Mode Steering Spectrum Monitoring Reconfigurable Antenna Today’s Wireless

10. 5G / 802.21 / 802.11u / HotSpot 2.0 Multi-Technology across Radios Wi-Fi/LTE/WS/??? Seamless Handover Between Technologies Software Defined Radios Software Defined Antennas ? Tomorrow’s Wireless

11. Thank You Perry Correll Xirrus, Principal Technologist Perry.Correll@Xirrus.com