From 3e852713a3df10f1866b9d7a4ab1131e3f48bdfb Mon Sep 17 00:00:00 2001
From: Pavel Boyko <boyko@iitp.ru>
Date: Tue, 10 Nov 2009 14:44:23 +0300
Subject: [PATCH] Bug 689: default energy detection and CCA thresholds are
 changed to be more realistic.

---
 src/devices/wifi/yans-wifi-phy.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/devices/wifi/yans-wifi-phy.cc b/src/devices/wifi/yans-wifi-phy.cc
index 82b0f34da..107c07011 100644
--- a/src/devices/wifi/yans-wifi-phy.cc
+++ b/src/devices/wifi/yans-wifi-phy.cc
@@ -52,14 +52,14 @@ YansWifiPhy::GetTypeId (void)
     .AddAttribute ("EnergyDetectionThreshold",
                    "The energy of a received signal should be higher than "
                    "this threshold (dbm) to allow the PHY layer to detect the signal.",
-                   DoubleValue (-140.0),
+                   DoubleValue (-96.0),
                    MakeDoubleAccessor (&YansWifiPhy::SetEdThreshold,
                                        &YansWifiPhy::GetEdThreshold),
                    MakeDoubleChecker<double> ())
     .AddAttribute ("CcaMode1Threshold",
                    "The energy of a received signal should be higher than "
                    "this threshold (dbm) to allow the PHY layer to declare CCA BUSY state",
-                   DoubleValue (-140.0),
+                   DoubleValue (-99.0),
                    MakeDoubleAccessor (&YansWifiPhy::SetCcaMode1Threshold,
                                        &YansWifiPhy::GetCcaMode1Threshold),
                    MakeDoubleChecker<double> ())