mrcl_tworayground.h

00001 /* -*-  Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
00002 /*
00003  * Copyright (c) 1997 Regents of the University of California.
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00005  *
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00010  *    notice, this list of conditions and the following disclaimer.
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00015  *    must display the following acknowledgement:
00016  *      This product includes software developed by the Computer Systems
00017  *      Engineering Group at Lawrence Berkeley Laboratory.
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00019  *    to endorse or promote products derived from this software without
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00034 
00035 /* Ported from CMU/Monarch's code, nov'98 -Padma.
00036  * tworayground.h
00037  */
00038 
00039 
00040 #ifndef __mrcltworayground_h__
00041 #define __mrcltworayground_h__
00042 
00043 #include <packet-stamp.h>
00044 #include <mrcl_wireless-phy.h>
00045 #include "deipropagation.h"
00046 
00047 class MrclTwoRayGround : public DeiPropagation {
00048 public:
00049   MrclTwoRayGround();
00050   virtual double Pr(Packet *p, PacketStamp *tx, PacketStamp *rx,  double L, double lambda);
00051   virtual double getDist(double Pr, double Pt, double Gt, double Gr,
00052                          double hr, double ht, double L, double lambda);
00053 
00054 protected:
00055   double TwoRay(double Pt, double Gt, double Gr, double ht, double hr, double L, double d);
00056   double last_hr, last_ht;
00057   double crossover_dist;
00058 };
00059 
00060 
00061 #endif /* __tworayground_h__ */

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