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Project: IEEE P802.22 Working Group for Wireless Regional Area Networks (WRANs)

Project: IEEE P802.22 Working Group for Wireless Regional Area Networks (WRANs) Submission Title: [Canopy Installation Overview] Date Submitted: [17 November 2004 Source: [Paul Odlyzko] Company [Motorola] Address [1301 E. Algonquin Rd., Schaumburg, IL, 60196.1065, USA]

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Project: IEEE P802.22 Working Group for Wireless Regional Area Networks (WRANs)

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  1. Project: IEEE P802.22 Working Group for Wireless Regional Area Networks (WRANs) Submission Title: [Canopy Installation Overview] Date Submitted: [17 November 2004 Source: [Paul Odlyzko] Company [Motorola] Address [1301 E. Algonquin Rd., Schaumburg, IL, 60196.1065, USA] Voice:[(847) 538-5234], FAX: [???], E-Mail:[Paul.Odlyzko@motorola.com] Re: [General installation requirements for fixed wireless access systems.] Abstract: [Presentation on general installation requirements for fixed wireless access systems.] Purpose: [For information only] Notice: This document has been prepared to assist the IEEE P802.22 WG. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.22. Paul Odlyzko, Motorola

  2. Canopy Installation Overview Paul Odlyzko, Motorola

  3. Topics to be Discussed • Site Identification • RF analysis • Installation • Cost • Installer Certifications Paul Odlyzko, Motorola

  4. Site Identification – General Requirements • Tall structure such as radio towers, buildings, and water towers are ideal radio sites • Source of power is needed • AC, DC, Solar • Data source must be available • IPOP (Internet Point of Presence) • T1/E1, Satellite, fiber, backhaul, etc. • Is the frequency you plan to use available? Paul Odlyzko, Motorola

  5. Site Identification – Visual Validation • How high does the radio need to be mounted? • Are any major obstructions between the tower radios and potential “remote” installations? • What is the roof material made out of? • Many owners of membrane roofs will not allow you to access the roof when the temperature is below 320. Paul Odlyzko, Motorola

  6. Site Identification – Physical Protection • Is the site properly grounded? • Is there lightning protection? • Is there a radio shed for equipment that cannot survive outdoor conditions? • Can you access the site after hours to perform maintenance? • Can the tower physically support the equipment AND a climber? Paul Odlyzko, Motorola

  7. RF Analysis - Conduct Potential Site Assessments • Begin identifying locations for the radios • Study local and topographical maps • Drive the proposed coverage area • Take photographs • If necessary, use a Spectrum Analyzer to sweep the proposed coverage area to determine what type of RF activity is present. • Canopy Subscriber Modules and Backhaul Slave modules (10 or 20 Mbps) can be used as spectrum analyzers. • The Canopy 45 Mbps backhaul has a Link Calculator tool that should be used when assessing potential paths. Paul Odlyzko, Motorola

  8. RF Analysis - Graphical Spectrum Analyzer Display • Enable the Spectrum Analyzer from the SM or BHS Expanded Stats web page. • All frequencies in the band are scanned and reported. • Green bars show the latest reading. • Yellow tick marks show the maximum reading over time. • Red tick marks indicate strong readings (-40 dBm or greater). • Select Enable to refresh the readings, or set the page to auto-refresh. • Select Disable to re-establish SM or BHS connectivity to APs or BHMs. • Enabling Spectrum Analyzer will drop the RF link. If not disabled, the Spectrum Analyzer will time out after 15 minutes. Paul Odlyzko, Motorola

  9. Installation – LPS/Grounding • Outdoor Considerations • Masts, Towers • Transmission lines • Outdoor enclosures • All cable entering or leaving a structure • Radios • Indoor Consideration • Equipment racks • Equipment Paul Odlyzko, Motorola

  10. Installation – Placement considerations • Canopy radios must NOT be mounted directly to lightning rods • Radios should be 2’ or more below the top of mounting structure. • Properly designed Lightning Protection Systems (LPS) should provide a path for current to travel to ground. Paul Odlyzko, Motorola

  11. Installation - LPS Components • Air Terminals – Slender rods installed on roof or tower as defined by industry standard. • Conductor – Copper cabling that interconnect the air terminals and grounding plates. • Ground Terminators – Metal rods driven into the earth to guide lightning current harmlessly to ground. • Surge Arrestors and Suppressors – Devices installed in conjunction with a LPS to protect electrical wiring and electronic systems. Should be installed at point of entrance of cable into a building. Paul Odlyzko, Motorola

  12. Installation – LPS Conductor Paul Odlyzko, Motorola

  13. Installation - Tools • Safety Harness must be worn at all times when climbing. • A multipoint safety harness can be purchased for approximately $270. • Tower Climbing Safety & Rescue (book by Comtrain) $29.95. Contains ANSI, OSHA, and CSA climbing and tower requirements. Paul Odlyzko, Motorola

  14. Installation – Basic Tools • Punch down tool - $69.00 • Cat5 Cable tester - $79.00 • Cat5 Cable crimper - $45.00 • Fluke 110 Volt Meter -$99.00 • Wire cutters, screw drivers, small socket set, tie wraps Paul Odlyzko, Motorola

  15. Installation – Alignment and Configuration tools • Laptop or iPAQ – Needed for accessing Canopy web page via the Ethernet (RJ45) interface. • Audio Tone headset for alignment – RJ11 port on SM and BHS’s produces volume, pitch, and cadence. • Volume – higher volume means less Jitter • Pitch – higher pitch means better RSSI • Cadence – tone interruption of .155 seconds every 2 seconds means the SM/BHS has registered. Paul Odlyzko, Motorola

  16. Installation – Mounting considerations • Distance limitations • CAT5 – 328’ • GPS LMR-200 cable 100’ • CMM power 400’ • Tower wind load must be taken into consideration when mounting reflector dishes Paul Odlyzko, Motorola

  17. Installation – Platform Mount • Platform made from angle iron. • Pole is 2” conduit. • Design for flat roof installs. • Sandbags or cinder blocks used to weigh down structure base. Paul Odlyzko, Motorola

  18. Installation – Pole Mount • Canopy Backhaul with Reflector. • RJ45 out of radio and into Surge Suppressor • RJ45 out of Surge Suppressor and into Power adapter indoors. • RJ45 our power adapter into network • Surge Suppressor grounded with 10AWG copper to LPS. Paul Odlyzko, Motorola

  19. Installation - Canopy Cabling Paul Odlyzko, Motorola

  20. Installation – Surge Suppressor • Operating temperature is -40F to 131F • Capacity 1500 Watts peak pulse dissipation with 10µs /1000µs waveform, repetition rate (duty cycle): 0.01% • Clamp voltage – 35V • Internal Connectors – RJ45 • Weighs .4lbs • H 5.2” x W 5.0” x D1.7” Paul Odlyzko, Motorola

  21. Paul Odlyzko, Motorola

  22. High level CMM2 wiring overview Paul Odlyzko, Motorola

  23. Paul Odlyzko, Motorola

  24. Installation – Cost (not including radios) • 4 Pair 24 AWG Shielded Category 5e Plenum cable – approximately $0.60/foot • LMR-200 GPS cabling – approximately $0.80/foot • Truck roll - $75-100 per instance • 3rd Party site acquisition - $0-15,000 • 3rd Party site survey - $0-10,000 • Base installation - $500-$10,000 Paul Odlyzko, Motorola

  25. Installer Certifications/Insurance • The Satellite Broadcasting and Communications Association (SBCA) • No standard has been developed for wireless broadband. The SBCA certification is suggested for truck roll installation. • Persons climbing must have proof of insurance for climbing and roof access. Paul Odlyzko, Motorola

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