//*************************************************************************** //* file: CSMAMacLayer.ned //* //* author: Marc Löbbers //* //* copyright: (C) 2004 Telecommunication Networks Group (TKN) at //* Technische Universitaet Berlin, Germany. //* //* This program is free software; you can redistribute it //* and/or modify it under the terms of the GNU General Public //* License as published by the Free Software Foundation; either //* version 2 of the License, or (at your option) any later //* version. //* For further information see file COPYING //* in the top level directory //*************************************************************************** //* part of: framework implementation developed by tkn //* description: MAC layer class for the CSMAMac //**************************************************************************/ // // CSMA MAC protocol // simple CSMAMacLayer parameters: debug: bool, // debug switch // level at which we consider medium busy busyRSSI: numeric const, // how long is a slot? slotDuration: numeric const, // maximum time between a packet and its ack difs: numeric const, // maximum number of transmission attempts maxTxAttempts: numeric const, // length of MAC header headerLength: numeric const, // length of the MAC queue queueLength: numeric const, // default channel defaultChannel : numeric const, // bit rate bitrate : numeric const, // contention window contentionWindow : numeric const; gates: in: uppergateIn; out: uppergateOut; in: lowergateIn; out: lowergateOut; out: upperControlOut; // for control messages to upper layer in: lowerControlIn; // for control messages from phy layer endsimple