Evaluating IEEE 802.16 Broadband Wireless as a Communications Infrastructure for Public Safety Activities Status Update and Demo 10/1/2007 J. Martin, M. Westall School of Computing Clemson University jim.martin/westall@cs.clemson.edu

WiMAX Project at Clemson Year 1: 10/1/2006 – 9/30/2007 Build a testbed with first generation WiMAX equipment at Clemson University University, city, and state public safety organizations participate in the test and evaluation Develop ‘best practices’ document for deploying, managing, and using WiMAX networks for public safety operations Results available online at: http://people.clemson.edu/~jmarty/publicsafety/PublicSafety.html Project description (done) WiMAX performance paper: general discussion of how to map a real WiMAX deployment to actual performance numbers (ongoing) Testbed measurement results (ongoing) WiMAX best practices: advice on designing and deploying a WiMAX network (ongoing)

WiMAX Project at Clemson Year 2: 10/1/2007 – 9/30/2008 Extend the Clemson testbed to include mobile WiMAX devices Evaluate the performance of a core set of voice, video and data applications in mobile scenarios Focus on the particular problem of transporting large amounts of video data (e.g., video surveillance and in-car video) Extend our involvement with the WiMAX Forum

Project Motivations PI’s Research in broadband access Public safety communications technology Agency/City owned networks 802.11 mesh WiMAX State-wide or nation-wide networks 700 MHz by public safety Public safety applications Middleware, process automation Access data in real-time from the field Video: Video surveillance Video pulled from vehicles

802.16e WiMAX Rollout 802.16e mesh mode 802.16e (formerly 802.16d) : ‘fixed’, ‘portable’, ‘nomadic’ Single Base Station, point-to-multipoint Roaming supported by layer 2 or layer 3 Can support a slow moving vehicle 802.16e : ‘mobile’ Sectors – cell-based system, point-to-multipoint Roaming supported by WiMAX Can support a vehicle moving <70mph 802.16e mesh mode Not on the radar scope

WiMAX Spectrum Issues WiMAX Forum dictates the product profiles Initial Mobile WiMAX products will operate at 2.3-2.4 GHz, 2.496-2.69 GHz, 3.3-3.4 GHz and 3.4-3.8 GHz Fixed WiMAX profiles at 3.5 GHz and 5.8 GHz A number of vendors are lobbying for a 4.9 GHz fixed and mobile profile (available in 2008 ?) Sprint (and others?) likely to develop offerings for public safety However, at least for the next several years, 4.9 GHz is the best choice for agency use 700 MHz spectrum is possibly in the future (>5 years out )

M/A-COM Base Station Vida Broadband Hardened 4.9 GHz base station Model MAVM-VMXBD

M/A-COM Equipment Airlink: Interfaces: IEEE 802.16e ‘nomadic’ 5MHz channels at 4.9GHz OFDM 256 FFT Output power: BS: 27dBm output power Low power client: +20dBm High power client: +27dBm TDD operation, 10ms frame time, variable US/DS split Supported modulation methods: BPSK (1/2, 3/4), 16 QAM(1/2,3/4), 64QAM(1/2,3/4) Interfaces: RJ-45 Ethernet 24 V DC Power 4.9 GHz RF and GPS Antenna Managed by M/A-COM UAS Admin software

Campus Deployment Outdoor Pelco analog PTZ camera (SpectraIV) with IndigoVision 9000E Encoder (with analytics and video mgt software)

Campus Deployment Surveillance camera McAdams Base station

Surveillance camera Base station

Base station Surveillance camera DL RSS: -89 DL RSS: -77 DL RSS: -91 DL RSS: No signal DL RSS: -82 DL RSS: No signal DL RSS: -84 Surveillance camera