November 2004 Paul Odlyzko, Motorola Slide 1 doc.: IEEE 802.22-04-0004- 00-0000 Submiss ion Project: IEEE P802.22 Working Group for Wireless Project: IEEE P802.22 Working Group for Wireless Regional Area Networks (WRANs) 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: [[email protected]] 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
Transcript
November 2004
Paul Odlyzko, MotorolaSlide 1
doc.: IEEE 802.22-04-0004-00-0000
Submission
Project: IEEE P802.22 Working Group for Wireless Regional Area Networks Project: IEEE P802.22 Working Group for Wireless Regional Area Networks (WRANs)(WRANs)
Submission Title: [Canopy Installation Overview]Date Submitted: [17 November 2004Source: [Paul Odlyzko] Company [Motorola]Address [1301 E. Algonquin Rd., Schaumburg, IL, 60196.1065, USA]Voice:[(847) 538-5234], FAX: [???], E-Mail:[[email protected]]
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.
November 2004
Paul Odlyzko, MotorolaSlide 2
doc.: IEEE 802.22-04-0004-00-0000
Submission
Canopy Installation Overview
November 2004
Paul Odlyzko, MotorolaSlide 3
doc.: IEEE 802.22-04-0004-00-0000
Submission
Topics to be Discussed
• Site Identification
• RF analysis
• Installation
• Cost
• Installer Certifications
November 2004
Paul Odlyzko, MotorolaSlide 4
doc.: IEEE 802.22-04-0004-00-0000
Submission
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?
November 2004
Paul Odlyzko, MotorolaSlide 5
doc.: IEEE 802.22-04-0004-00-0000
Submission
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.
November 2004
Paul Odlyzko, MotorolaSlide 6
doc.: IEEE 802.22-04-0004-00-0000
Submission
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?
November 2004
Paul Odlyzko, MotorolaSlide 7
doc.: IEEE 802.22-04-0004-00-0000
Submission
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.
November 2004
Paul Odlyzko, MotorolaSlide 8
doc.: IEEE 802.22-04-0004-00-0000
Submission
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.
November 2004
Paul Odlyzko, MotorolaSlide 9
doc.: IEEE 802.22-04-0004-00-0000
Submission
Installation – LPS/Grounding
• Outdoor Considerations– Masts, Towers– Transmission lines– Outdoor enclosures– All cable entering or leaving a structure– Radios
• 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.
November 2004
Paul Odlyzko, MotorolaSlide 11
doc.: IEEE 802.22-04-0004-00-0000
Submission
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.
November 2004
Paul Odlyzko, MotorolaSlide 12
doc.: IEEE 802.22-04-0004-00-0000
Submission
Installation – LPS Conductor
November 2004
Paul Odlyzko, MotorolaSlide 13
doc.: IEEE 802.22-04-0004-00-0000
Submission
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.
November 2004
Paul Odlyzko, MotorolaSlide 14
doc.: IEEE 802.22-04-0004-00-0000
Submission
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
November 2004
Paul Odlyzko, MotorolaSlide 15
doc.: IEEE 802.22-04-0004-00-0000
Submission
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.
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