Consts80211.h

#include <NicControlType.h>

#ifndef CONSTANTS_802_11
#define CONSTANTS_802_11

enum ControlTypes_802_11 {
    NOTHING = NicControlType::NOTHING,
    TRANSMISSION_OVER = NicControlType::TRANSMISSION_OVER,
    PACKET_DROPPED = NicControlType::PACKET_DROPPED, 
    BITERROR,       //the phy has recognized a bit error in the packet
    COLLISION       //packet lost due to collision
};

enum frameType_802_11 {

  //between MAC layers of two nodes
  RTS = COLLISION + 1, // request to send
  CTS,                 // clear to send
  ACK,                 // acknowledgement
  DATA,
  BROADCAST
};

const double BITRATES_80211[] = {
    1000000,
    2000000,
    5500000,
    11000000
};


const double RED_PHY_HEADER_DURATION = 0.000020;

const double PHY_HEADER_LENGTH=192;
const double HEADER_WITHOUT_PREAMBLE=48;
const double BITRATE_HEADER=1E+6;
const double BANDWIDTH=20E+6;

const int MAC_GENERATOR = 5;

const double LENGTH_RTS = 160;
const double LENGTH_CTS = 112;
const double LENGTH_ACK = 112;
const int MAC80211_HEADER_LENGTH = 272;

//time slot ST, short interframe space SIFS, distributed interframe
//space DIFS, and extended interframe space EIFS
const double ST = 20E-6;
const double SIFS = 10E-6;
const double DIFS = 2*ST + SIFS;
const double EIFS = SIFS + DIFS +  (PHY_HEADER_LENGTH + LENGTH_ACK)/BITRATE_HEADER;

const unsigned LONG_RETRY_LIMIT = 4;

const unsigned SHORT_RETRY_LIMIT = 7;

const unsigned CW_MIN = 31;

const unsigned CW_MAX = 1023;

#endif

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