Introduction to Wireless Broadband Networking Montgomery Amateur - PowerPoint PPT Presentation

Introduction to Wireless Broadband Networking Montgomery Amateur Radio Club Rockville, Maryland David Bern, W2LNX W2LNX @ arrl . net Montgomery Amateur Radio Club 1 of 42 January 21, 2015

Introduction ● brief MARC D-STAR system overview ● D-STAR hotspot and Winlink email demos ● Ubiquiti airMAX wireless networking equipment ● current high-speed wireless digital networks ● project ideas ● MARC wireless network project proposal ● conclusions Montgomery Amateur Radio Club 2 of 42 January 21, 2015

MARC D-STAR repeater Montgomery Amateur Radio Club 3 of 42 January 21, 2015

MARC D-STAR hotspot Montgomery Amateur Radio Club 4 of 42 January 21, 2015

D-STAR hotspot demonstration Montgomery Amateur Radio Club 5 of 42 January 21, 2015

D-STAR hotspot demonstration is replaced by Ubiquiti airMAX wireless networking equipment Montgomery Amateur Radio Club 6 of 42 January 21, 2015

D-STAR hotspot demonstration Ham radio network applications ❖ talk on REF025B reflector via KV3B D-STAR gateway also ❖ send Winlink email with spreadsheet attachment ❖ browse Montgomery County WebEOC Website Montgomery Amateur Radio Club 7 of 42 January 21, 2015

Simplified network model application layer . . . network layer link layer physical layer ● user applications and services – my interest Montgomery Amateur Radio Club 8 of 42 January 21, 2015

Ubiquiti wireless networking products Based on IEEE 802.11 protocols – uses OFDM and TDMA airMAX Ubiquiti ISM amateur M900 900 MHz 902-928 902-928 902-928 M2 2.4 GHz 2402-2462 2400-2500 2390-2450 M3 3 GHz (1) 3370-3730 3300-3500 (3) M5 5 GHz 5725-5850 5725-5875 (2) 5650-5925 (1) for export from USA – purchased from Streakwave Wireless (2) U-NII: 5150-5350, 5470-5825 MHz (3) ARRL band plan ❖ browse http://www.ubnt.com/airmax Montgomery Amateur Radio Club 9 of 42 January 21, 2015

Ubiquiti wireless networking products 3.5 and 5.8 GHz RocketDish antenna 3 GHz 120 degree sector antenna Montgomery Amateur Radio Club 10 of 42 January 21, 2015

Ubiquiti wireless networking products NanoBridge M3 CPE network relay station Montgomery Amateur Radio Club 11 of 42 January 21, 2015

Simplified network model application layer . . . network layer link layer physical layer ● microwave backbone network – Keith, KB3TCB, Dick, WN3R and friends ● end user network VHF/UHF “last-mile” connection – my interest Montgomery Amateur Radio Club 12 of 42 January 21, 2015

Ubiquiti demonstration network K1ZZ and W2LNX at the ARRL Centennial Convention Montgomery Amateur Radio Club 13 of 42 January 21, 2015

Ubiquiti demonstration network GXP1105 IP phone and NanoStation M3 Montgomery Amateur Radio Club 14 of 42 January 21, 2015

Ubiquiti demonstration network two link wireless network ● default Network Mode of airMAX router is Bridge ● no latency Montgomery Amateur Radio Club 15 of 42 January 21, 2015

Ubiquiti demonstration network Discovering the network Ubiquiti Discovery program ● works on a different subnet Montgomery Amateur Radio Club 16 of 42 January 21, 2015

Ubiquiti demonstration network Access point airOS MAIN screen Montgomery Amateur Radio Club 17 of 42 January 21, 2015

Ubiquiti demonstration network Station – client airOS MAIN screen Montgomery Amateur Radio Club 18 of 42 January 21, 2015

Ubiquiti demonstration network Discovering the network airOS Tools Montgomery Amateur Radio Club 19 of 42 January 21, 2015

Ubiquiti demonstration network Discovering the network airOS Site Survey tool discovered: ● access points ● frequencies Montgomery Amateur Radio Club 20 of 42 January 21, 2015

Ubiquiti demonstration network Discovering the network airOS Discovery tool discovered: ● Device Name – broadcast station identification ● IP Address – broadcast IP address Montgomery Amateur Radio Club 21 of 42 January 21, 2015

Ubiquiti demonstration network spectrum analyzer airOS airView tool Montgomery Amateur Radio Club 22 of 42 January 21, 2015

MARC repeater west site to W4BRM test 16 miles on 5 GHz airLink simulation Website Montgomery Amateur Radio Club 23 of 42 January 21, 2015

High-Speed amateur wireless networks today ❖ browse Amateur Radio computer compatible Networks http://www.remoteamateur.com/ ❖ Mid-Atlantic Radio Amateur IP Network MAIPN Montgomery Amateur Radio Club 24 of 42 January 21, 2015

High-Speed amateur wireless networks today Mid-Atlantic area: ● CPIN – in service ● extending to Damascus ● BRATS – in service ● MARC – in planning stages ● ARCS – in planning stages other USA: ● Broadband-Hamnet – Austin, TX area – in service ● HamWAN – Seattle, WA area – in service ● BCWARN – British Columbia area – in service Montgomery Amateur Radio Club 25 of 42 January 21, 2015

High-Speed amateur wireless networks today Central Pennsylvania IP Network (CPIN) network map Montgomery Amateur Radio Club 26 of 42 January 21, 2015

High-Speed amateur wireless networks today Central Pennsylvania IP Network ● Ubiquiti equipment ● primarily on 5 GHz ● 13 High-profile relay sites ● 157 Miles of network backbone ● 20 IP Cameras ● Asterisk IP telephone system ● and more Gary Blacksmith, WA3CPO Montgomery Amateur Radio Club 27 of 42 January 21, 2015

Building local community area networks Connecting the end-user to the high-speed backbone network ● software defined radios ● HackRF One ● bladeRF ● new radios – products being developed ● UDRX-440 – NW Digital Radio ● CS7000 – Connect Systems, Inc. ● Whitebox radio – “HT of the future” – Chris Testa, KD2BMH Montgomery Amateur Radio Club 28 of 42 January 21, 2015

Building local community area networks Connecting the end-user to the high-speed backbone network ● NW Digital Radio – Bryan Hoyer, K7UDR and John Hays, K7VE – soon UDRX-440 narrow band data radio with FSK, GMSK modems Montgomery Amateur Radio Club 29 of 42 January 21, 2015

Building local community area networks Connecting the end-user to the high-speed backbone network ● Connect Systems, Inc. – Jerry Wanger, KK6LFS – soon mock-up of CS7000 narrow band data radio with GMSK, 4FSK modems Montgomery Amateur Radio Club 30 of 42 January 21, 2015

Building local community area networks Connecting the end-user to the high-speed backbone network ● Chris Testa, KD2BMH – soon Bravo broadband data radio Montgomery Amateur Radio Club 31 of 42 January 21, 2015

Building local community area networks Connecting the end-user to the high-speed backbone network ● VHF/UHF FM radios with 9600 bps data port ● audio tap before FM modulator and after the FM demodulator ● using 9600 bps TNC – KPC-9612 plus ● using D-STAR node adapters as 4800 or 9600 bps GMSK modems ● Moen Star*Board node adapter – project ● DVRPTR_V1 board – open source – project ● building inexpensive 9600 bps GMSK modem – project ● Doodle Labs – 420 MHz broadband – regulatory change Montgomery Amateur Radio Club 32 of 42 January 21, 2015

Building local community area networks Connecting the end-user to the high-speed backbone network ● multiple end users can share a backbone connection ● mesh networking – Broadband-Hamnet™ ● using analog FM repeaters for narrow-band data – under utilized ● what is the bandwidth and linearity of a FM repeater? – project ● VHF/UHF FM radios ● 1200 bps AX.25 TNCs ● fldigi – has callable modem library – robust modes – project Montgomery Amateur Radio Club 33 of 42 January 21, 2015

Building local community area networks Connecting the end-user to the high-speed backbone network ● some amateur radio applications – old is new ● analog and digital repeater linking ● remote receiver – ham license not required! ● APRS – extend the network ● Winlink – extend the network ● remote station operation ● VOIP – extend the D-STAR, Echolink, IRLP, Allstar networks ● CW over IP – CWCom program and AD9X serial adapter ● serial over IP – Lantronix serial to Ethernet adapter Montgomery Amateur Radio Club 34 of 42 January 21, 2015

Building local community area networks Connecting the end-user to the high-speed backbone network ● some Internet applications ● VOIP – Asterisk ● Web camera ● Web and file transfer services ● email services ● text messaging ● multicast services ● remote software defined receivers ● Web SDR – University of Twente, Enschede, NL Montgomery Amateur Radio Club 35 of 42 January 21, 2015

Building an amateur radio wireless network Issues: ● authentication – is not encryption – project ● uses standard Internet protocols and tools ● ham applications that authenticate user identity ● LOTW – ARRL is digital certificate authority ● D-STAR – validates license ● Winlink – validates license ● Echolink – validates license and authenticates user identity ● ham volunteer examiners authenticate identity ● can be digital certificate authorities – project ● required on open ham radio frequencies ● imperative on shared frequencies Montgomery Amateur Radio Club 36 of 42 January 21, 2015