https://sudoroom.org/mediawiki/index.php?action=history&feed=atom&title=Mesh%2F14_February_2013 2026-06-04T18:38:49Z Revision history for this page on the wiki MediaWiki 1.37.2 https://sudoroom.org/mediawiki/index.php?title=Mesh/14_February_2013&diff=2521&oldid=prev 2013-02-19T01:06:30Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:06, 18 February 2013</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">=Attendees=</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*Jenny, Marc Juul, Mark B, Bill, Eno </ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= Introduction =</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= Introduction =</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Applying for funding from OpenITP: https://pad.riseup.net/p/510penITPapp</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Applying for funding from OpenITP: https://pad.riseup.net/p/510penITPapp</div></td></tr> </table>

Tunabananas https://sudoroom.org/mediawiki/index.php?title=Mesh/14_February_2013&diff=2520&oldid=prev 2013-02-19T00:47:45Z

<p>Added Meeting Minutes</p> <p><b>New page</b></p><div>= Introduction =<br /> *Applying for funding from OpenITP: https://pad.riseup.net/p/510penITPapp<br /> *Wikipedia has some good info [http://en.wikipedia.org/wiki/Wireless_mesh_networks here].<br /> *See also: Mesh Projects Directory - http://wiki.tidepools.co/view/Mesh_Directory<br /> <br /> = Inventory =<br /> <br /> == at sudo room ==<br /> *Lots of coaxial cable.<br /> *Some wireless routers that need to be checked for openwrt support.<br /> *2 linksys routers which may be b0rked<br /> <br /> == juul ==<br /> *One Motorola C155 with osmocom-bb<br /> *One USRP 1 software defined radio<br /> :[https://www.ettus.com/product/details/WBX WBX 50-2200 Mhz rx/tx]<br /> :[https://www.ettus.com/product/details/RFX2400 RFX2400 2.3-2.9 Ghz rx/tx]<br /> <br /> == mark ==<br /> *Three openwrt routers from [http://www.open-mesh.com/ open-mesh.com].<br /> <br /> = hardware =<br /> <br /> == RONJA laser link ==<br /> [http://ronja.twibright.com/ The RONJA project] has 1.4 km range and 10 mbps full duplex. <br /> Material costs are about $100, but it's not clear if that is per node or per link (per two nodes).<br /> It does not use off-the-shelf hardware, so construction requires some work.<br /> <br /> == wifi routers ==<br /> *Ubiquity nanostation<br /> *Ubiquity picostation<br /> *raspberry pi (or similar) + usb wifi adapters such as the [http://dx.com/s/2000mW 2000 mW $20 chinese models] or even just [http://dx.com/s/500mw 500 mW $20 chinese models]<br /> <br /> == antennas ==<br /> *[http://dx.com/p/2-4ghz-100w-18dbi[http://dx.com/p/2-4ghz-100w-18dbi-directional-high-gain-18-unit-antenna-for-wifi-wireless-network-sma-34759 18 dBi -directional-high-gain-18-unit-antenna-for-wifi-wireless-network-sma-34759 18 dBi for $18] including shipping.<br /> <br /> === parabolic ==<br /> [http://www.provantage.com/premiertek-ant-grid-24dbi~4PREK014.htm 24 dBi for $26.40] expensive shipping when ordering only one though.<br /> <br /> = Firmware and routing algorithms =<br /> *Should we use off the shelf firmware, how should we r00t our r0uters?<br /> *Commotion wireless uses OLSR, but the current nodes in the 510pen network use the batman-advanced. <br /> *Other projects like Project Byzantium (targetting laptops) use the Babel protocol.<br /> *Performance Evaluation of BATMAN, DSR, OLSR Routing Protocols - A Review Sandhu and Sharma 2012: http://www.ijetae.com/files/Volume2Issue1/IJETAE_0112_35.pdf<br /> : Maximum Number of nodes with Maximum Mobility: OLSR &gt; BATMAN &gt; DSR <br /> : Maximum Number of nodes with Maximum Packet length: OLSR &gt; DSR &gt; BATMAN <br /> <br /> '''Currently, 510pen uses NG firmware extending OpenWRT with batman-adv'''<br /> *OLSRD Configuration &amp; Management: https://code.commotionwireless.net/projecthttp://www.olsr.org/?q=node/13s/commotion/wiki/OLSR_Configuration_and_Management?version=3<br /> <br /> = Action Items =<br /> *Bill will look into OLSR and routing generally <br /> *Saturday node-repair field trip<br /> **jenny will ping beau <br /> *Bring things to set up a node at sudo room next week!<br /> **jenny will ping mark b :P</div>

Tunabananas