// file:        SnrEval.h////  author:      Marc L鯾bers// copyright:   (c) by Marc L鯾bers//              Telecommunication Networks Group//              TU-Berlin// email:       loebbers@tkn.tu-berlin.de// part of:     framework implementation developed by tkn// description: - derived from SnrEval//              - A Snr module for 802.11b#ifndef SNR_EVAL_80211H#define SNR_EVAL_80211H#include "SnrEval.h"/**\brief A SnrEval for the 802.11b protocolSubclass of SnrEval. Basically the same except for some extraparameters of 802.11 and the duration of the packet that has to becomputed differently as the modualtion of header and data part of thepacket are different. This module forms a physical layer together withthe Decider80211 module. The resluting physical layer is intended tobe used together with the Mac80211 module.@author Marc L鯾bers@ingroup snrEval*/class SnrEval80211 : public SnrEval{  Module_Class_Members( SnrEval80211, SnrEval, 0 ); public:  /**\brief Some extra parameters have to be read in..*/  virtual void initialize(int); protected:  /**   * \brief Function that comuptes the duration of a 802.11 frame in seconds   **/  virtual double calcDuration(cMessage*);};#endif