00001 /* 00002 * Copyright (c) 2007 Regents of the SIGNET lab, University of Padova. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the University of Padova (SIGNET lab) nor the 00014 * names of its contributors may be used to endorse or promote products 00015 * derived from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00018 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00019 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00020 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 00021 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00022 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00023 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 00024 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 00025 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 00026 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 00027 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00028 */ 00029 00030 #ifndef _SIMPLEPATHLOSS_ 00031 #define _SIMPLEPATHLOSS_ 00032 00033 #include <packet-stamp.h> 00034 //#include <mrcl_wireless-phy.h> 00035 #include <deipropagation.h> 00036 00037 class SimplePathLoss : public DeiPropagation { 00038 public: 00039 SimplePathLoss(); 00040 virtual double Pr(Packet *p, PacketStamp *tx, PacketStamp *rx, double L, double lambda); 00041 /*virtual double getDist(double Pr, double Pt, double Gt, double Gr, 00042 double hr, double ht, double L, double lambda);*/ 00043 00044 protected: 00045 double spl(double Pt, double d0, double gamma, double lambda, double d); 00046 double gamma_; 00047 double d0_; 00048 }; 00049 00050 00051 #endif 00052