From 98e982e91efee129b9d0043ee79335d49211a052 Mon Sep 17 00:00:00 2001 From: Matteo Cypriani Date: Tue, 9 Oct 2012 11:45:55 +0200 Subject: [PATCH] README: precisions (trx power, etc.) --- v1.3.1/README.org | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/v1.3.1/README.org b/v1.3.1/README.org index a212ae4..7782409 100644 --- a/v1.3.1/README.org +++ b/v1.3.1/README.org @@ -56,7 +56,10 @@ The following mobile terminals can be used: When received by a Fonera 2.0, the default packet size is 103 bytes for a positioning request, and 116 bytes for an (auto)calibration request. -Unless stated otherwise, the Fonera is equipped with a 1.8 dBi antenna. +Unless stated otherwise: +- the Fonera is equipped with a 1.8 dBi antenna and its transmission + power is 18 dBm; +- the transmission power of the EeePC is 14 dBm. * Common rules @@ -75,7 +78,8 @@ and each exception made to these rules or to the scenario description. squeeze (Linux 2.6.32), with an Atheros AR 500 Wi-Fi interface. It runs OwlPS Aggregator v1.3.1-14-ge278aab. - Listeners: 4 Fonera 2.0 with 1.8 dBi antennas, running OpenWrt - Backfire. They run OwlPS Listener v1.3.0-11-gc4e0352. + Backfire. They run OwlPS Listener v1.3.0-11-gc4e0352, and their + transmission power is 18 dBm. ** Network @@ -357,6 +361,9 @@ following order: 2. hip, 3. ear. +Alternative procedure (advised for easier use of the measurements): a +separate aggregation file is made for each point and each altitude. + ** Scenario 7 (altitude & human presence) Repeat the scenario 6, but with a human operator standing 0.5 m at the @@ -380,7 +387,7 @@ is the size of the packets: - 1450 B. This size is the parameter given to OwlPS Client, and is less than the size of the radio packet. The size of the packet received at the -listeners must be written, as it can vary. +listeners must be written in the report files, as it can vary. Please refer to the scenario 5 for details and measurement procedure. @@ -423,8 +430,8 @@ points 3, 4 and 5 only) two times: points to the West, and the South-West listener's antenna points to the East. -#+CAPTION: Scenario 12, test 1. -#+begin_src ditaa :cmdline -s 2 :file s12-1.png +#+CAPTION: Scenario 12, antennas in the direction of the opposite wall +#+begin_src ditaa :cmdline -s 2 :file s12-opposite.png +---+ +---+ | | | | | | | | @@ -443,8 +450,8 @@ points 3, 4 and 5 only) two times: +---+ +---+ #+end_src -#+CAPTION: Scenario 12, test 2. -#+begin_src ditaa :cmdline -s 2 :file s12-2.png +#+CAPTION: Scenario 12, antennas forming a “circle” +#+begin_src ditaa :cmdline -s 2 :file s12-circle.png +---+ +---+ | | | | | | | |