wireless-phy.rar_noise ns2_ns2_ns2 wireless_ns2 信道_无线信道

/* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- * * * Copyright (c) 1997 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the Computer Systems * Engineering Group at Lawrence Berkeley Laboratory. * 4. Neither the name of the University nor of the Laboratory may be used * to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Header: /nfs/jade/vint/CVSROOT/ns-2/wireless-phy.h,v 1.9 2000/10/18 01:17:50 haoboy Exp $ * * Ported from CMU/Monarch's code, nov'98 -Padma Haldar. * * wireless-phy.h * -- a SharedMedia network interface */ #ifndef ns_WirelessPhy_h #define ns_WirelessPhy_h #include "propagation.h" #include "modulation.h" #include "omni-antenna.h" #include "phy.h" #include "mobilenode.h" #include "timer-handler.h" class Phy; class Propagation; class WirelessPhy; // For idle energy consumption -- Chalermek class Idle_Timer : public TimerHandler { public: Idle_Timer(WirelessPhy *a) : TimerHandler() { a_ = a; } protected: virtual void expire(Event *e); WirelessPhy *a_; }; class WirelessPhy : public Phy { public: WirelessPhy(); void sendDown(Packet *p); int sendUp(Packet *p); inline double getL() const {return L_;} inline double getLambda() const {return lambda_;} inline double getRXThresh() {return RXThresh_;} inline MobileNode* mobilenode(void) const { return (MobileNode*)node_; } virtual int command(int argc, const char*const* argv); virtual void dump(void) const; inline Node* node(void) const { return node_; } inline double getPtconsume() { return Pt_consume_; } double getDist(double Pr, double Pt, double Gt, double Gr, double hr, double ht, double L, double lambda); //void setnode (MobileNode *node) { node_ = node; } void node_on(); void node_off(); /* -NEW- */ inline double getAntennaZ() { return ant_->getZ(); } inline double getPt() { return Pt_; } //inline double getRXThresh() { return RXThresh_; } //inline double getCSThresh() { return CSThresh_; } inline double getFreq() { return freq_; } /* End -NEW- */ //void setnode (MobileNode *node) { node_ = node; } protected: double Pt_; // transmitted signal power (W) double Pt_consume_; // power consumption for transmission (W) double Pr_consume_; // power consumption for reception (W) double P_idle_; // idle power consumption (W) double last_send_time_; // the last time the node sends somthing. double channel_idle_time_; // channel idle time. double update_energy_time_; // the last time we update energy. double freq_; // frequency double lambda_; // wavelength (m) double L_; // system loss factor double RXThresh_; // receive power threshold (W) double CSThresh_; // carrier sense threshold (W) double CPThresh_; // capture threshold (db) Antenna *ant_; Propagation *propagation_; // Propagation Model Modulation *modulation_; // Modulation Schem // Why phy has a node_ and this guy has it all over again?? // MobileNode* node_; // Mobile Node to which interface is attached . Idle_Timer idle_timer_; enum ChannelStatus { IDLE, RECV, SEND }; int status_; private: inline int initialized() { return (node_ && uptarget_ && downtarget_ && propagation_); } void UpdateIdleEnergy(); // Convenience method EnergyModel* em() { return node()->energy_model(); } friend class Idle_Timer; int percent_error; double pGG; double pGB; double pBB; double pBG; double piG; double piB; double pB; double pG; double current_p; int current_st; int previous_st; int type_loss_model; int comm_type; int loss_model; }; #endif /* !ns_WirelessPhy_h */