WirelessPhy Class Reference

#include <wireless-phy.h>

Inheritance diagram for WirelessPhy:

[legend]Collaboration diagram for WirelessPhy:

[legend]List of all members.

Public Member Functions
	WirelessPhy ()
void	sendDown (Packet *p)
int	sendUp (Packet *p)
double	getL () const
double	getLambda () const
Node *	node (void) const
double	getPtconsume ()
virtual int	command (int argc, const char *const *argv)
virtual void	dump (void) const
void	node_on ()
void	node_off ()
void	recv (Packet *p, Handler *h)
virtual void	recv (Packet *p, const char *s)
double	txtime (Packet *p)
double	txtime (int bytes)
virtual double	bittime () const
Phy *	nextchnl (void) const
void	insertchnl (struct if_head *head)
Phy *	nextnode (void) const
void	insertnode (struct if_head *head)
void	removechnl ()
void	setchnl (Channel *chnl)
virtual void	setnode (Node *node)
virtual Channel *	channel (void) const
LinkHead *	head ()
NsObject *	uptarget ()
NsObject *	downtarget ()
virtual void	drop (Packet *p)
virtual void	recvOnly (Packet *)
virtual void	delay_bind_init_all ()
virtual int	delay_bind_dispatch (const char *varName, const char *localName, TclObject *tracer)
int	isdebug () const
virtual void	debug (const char *fmt,...)
Protected Types
enum	ChannelStatus { IDLE, RECV, SEND }
Protected Member Functions
virtual void	sendDown (Packet *p, Handler *h)
virtual void	sendUp (Packet *p, Handler *h)
	LIST_ENTRY (Phy) chnl_link_
	LIST_ENTRY (Phy) node_link_
virtual void	drop (Packet *p, const char *s)
virtual void	reset ()
void	handle (Event *)
Protected Attributes
double	Pt_
double	Pt_consume_
double	Pr_consume_
double	P_idle_
double	last_send_time_
double	channel_idle_time_
double	update_energy_time_
double	freq_
double	lambda_
double	L_
double	RXThresh_
double	CSThresh_
double	CPThresh_
Antenna *	ant_
Propagation *	propagation_
Modulation *	modulation_
Idle_Timer	idle_timer_
int	status_
int	index_
Node *	node_
LinkHead *	head_
double	bandwidth_
Channel *	channel_
NsObject *	uptarget_
NsObject *	downtarget_
NsObject *	drop_
int	debug_
Private Member Functions
int	initialized ()
void	UpdateIdleEnergy ()
EnergyModel *	em ()
Friends
class	Idle_Timer

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Member Enumeration Documentation

enum WirelessPhy::ChannelStatus [protected]

Enumeration values: IDLE  RECV  SEND  Definition at line 110 of file wireless-phy.h. { IDLE, RECV, SEND };

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Constructor & Destructor Documentation

WirelessPhy::WirelessPhy (   )

Definition at line 77 of file wireless-phy.cc. References ant_, channel_idle_time_, CPThresh_, CSThresh_, freq_, IDLE, idle_timer_, L_, lambda_, last_send_time_, modulation_, Phy::node_, NOW, P_idle_, Pr_consume_, propagation_, Pt_, Pt_consume_, TimerHandler::resched(), RXThresh_, SPEED_OF_LIGHT, and update_energy_time_. : Phy(), idle_timer_(this), status_(IDLE) { /* * It sounds like 10db should be the capture threshold. * * If a node is presently receiving a packet a a power level * Pa, and a packet at power level Pb arrives, the following * comparion must be made to determine whether or not capture * occurs: * * 10 * log(Pa) - 10 * log(Pb) > 10db * * OR equivalently * * Pa/Pb > 10. * */ bind("CPThresh_", &CPThresh_); bind("CSThresh_", &CSThresh_); bind("RXThresh_", &RXThresh_); //bind("bandwidth_", &bandwidth_); bind("Pt_", &Pt_); bind("freq_", &freq_); bind("L_", &L_); lambda_ = SPEED_OF_LIGHT / freq_; node_ = 0; ant_ = 0; propagation_ = 0; modulation_ = 0; // Assume AT&T's Wavelan PCMCIA card -- Chalermek // Pt_ = 8.5872e-4; // For 40m transmission range. // Pt_ = 7.214e-3; // For 100m transmission range. // Pt_ = 0.2818; // For 250m transmission range. // Pt_ = pow(10, 2.45) * 1e-3; // 24.5 dbm, ~ 281.8mw Pt_consume_ = 0.660; // 1.6 W drained power for transmission Pr_consume_ = 0.395; // 1.2 W drained power for reception // P_idle_ = 0.035; // 1.15 W drained power for idle P_idle_ = 0.0; channel_idle_time_ = NOW; update_energy_time_ = NOW; last_send_time_ = NOW; idle_timer_.resched(1.0); }

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Member Function Documentation

virtual double Phy::bittime (   )  const [inline, virtual, inherited]

Definition at line 85 of file phy.h. References Phy::bandwidth_. { return 1/bandwidth_; }

virtual Channel* Phy::channel (  void   )  const [inline, virtual, inherited]

Definition at line 105 of file phy.h. References Phy::channel_. Referenced by SatLL::channel(), SatRouteObject::compute_topology(), SatChannel::find_peer_mac_addr(), LinkHandoffMgr::get_peer(), LinkHandoffMgr::get_peer_linkhead(), LinkHandoffMgr::get_peer_next_linkhead(), SatLinkHandoffMgr::handoff(), Mac802_3::sendDown(), and Channel::sendUp(). {return channel_;}

int WirelessPhy::command (  int  argc, const char *const *  argv )  [virtual]

Reimplemented from Phy. Definition at line 130 of file wireless-phy.cc. References ant_, Phy::command(), EnergyModel::DecrIdleEnergy(), em(), Phy::node_, NOW, P_idle_, Pr_consume_, propagation_, Pt_consume_, and update_energy_time_. { TclObject *obj; if (argc==2) { if (strcasecmp(argv[1], "NodeOn") == 0) { if (em() == NULL) return TCL_OK; if (NOW > update_energy_time_) { update_energy_time_ = NOW; } return TCL_OK; } else if (strcasecmp(argv[1], "NodeOff") == 0) { if (em() == NULL) return TCL_OK; if (NOW > update_energy_time_) { em()->DecrIdleEnergy(NOW-update_energy_time_, P_idle_); update_energy_time_ = NOW; } return TCL_OK; } } else if(argc == 3) { if (strcasecmp(argv[1], "setTxPower") == 0) { Pt_consume_ = atof(argv[2]); return TCL_OK; } else if (strcasecmp(argv[1], "setRxPower") == 0) { Pr_consume_ = atof(argv[2]); return TCL_OK; } else if (strcasecmp(argv[1], "setIdlePower") == 0) { P_idle_ = atof(argv[2]); return TCL_OK; } else if( (obj = TclObject::lookup(argv[2])) == 0) { fprintf(stderr,"WirelessPhy: %s lookup of %s failed\n", argv[1], argv[2]); return TCL_ERROR; } else if (strcmp(argv[1], "propagation") == 0) { assert(propagation_ == 0); propagation_ = (Propagation*) obj; return TCL_OK; } else if (strcasecmp(argv[1], "antenna") == 0) { ant_ = (Antenna*) obj; return TCL_OK; } else if (strcasecmp(argv[1], "node") == 0) { assert(node_ == 0); node_ = (Node *)obj; return TCL_OK; } } return Phy::command(argc,argv); }

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void NsObject::debug (  const char *  fmt, ...  )  [virtual, inherited]

Definition at line 102 of file object.cc. References NsObject::debug_. { if (!debug_) return; va_list ap; va_start(ap, fmt); vprintf(fmt, ap); }

int NsObject::delay_bind_dispatch (  const char *  varName, const char *  localName, TclObject *  tracer )  [virtual, inherited]

Reimplemented in BayFullTcpAgent, Agent, MPLSAddressClassifier, LDPAgent, FullTcpAgent, SackFullTcpAgent, RFC793eduTcpAgent, TcpSink, TcpAgent, and VegasTcpAgent. Definition at line 63 of file object.cc. References NsObject::debug_. Referenced by MPLSAddressClassifier::delay_bind_dispatch(), and Agent::delay_bind_dispatch(). { if (delay_bind_bool(varName, localName, "debug_", &debug_, tracer)) return TCL_OK; return TclObject::delay_bind_dispatch(varName, localName, tracer); }

void NsObject::delay_bind_init_all (   )  [virtual, inherited]

Reimplemented in BayFullTcpAgent, Agent, MPLSAddressClassifier, LDPAgent, FullTcpAgent, SackFullTcpAgent, RFC793eduTcpAgent, TcpSink, TcpAgent, and VegasTcpAgent. Definition at line 57 of file object.cc. Referenced by MPLSAddressClassifier::delay_bind_init_all(), and Agent::delay_bind_init_all(). { delay_bind_init_one("debug_"); }

NsObject* BiConnector::downtarget (   )  [inline, inherited]

Definition at line 49 of file bi-connector.h. References BiConnector::downtarget_. Referenced by SatLL::channel(). { return downtarget_; }

void BiConnector::drop (  Packet *  p, const char *  s )  [protected, virtual, inherited]

Definition at line 144 of file bi-connector.cc. References BiConnector::drop_, Packet::free(), and NsObject::recv(). { if (drop_ != 0) drop_->recv(p, s); else Packet::free(p); }

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void BiConnector::drop (  Packet *  p  )  [virtual, inherited]

Definition at line 135 of file bi-connector.cc. References BiConnector::drop_, Packet::free(), and NsObject::recv(). Referenced by Mac802_3::collision(), Mac802_11::discard(), SMAC::drop_CTS(), SMAC::drop_DATA(), SMAC::drop_RTS(), SMAC::drop_SYNC(), UnslottedAlohaMac::end_of_contention(), MacTdma::recvHandler(), Mac::resume(), MacCsma::resume(), UnslottedAlohaMac::sendUp(), SatMac::sendUp(), Mac::sendUp(), MacTdma::TX_Time(), and Mac802_11::txtime(). { if (drop_ != 0) drop_->recv(p); else Packet::free(p); }

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void WirelessPhy::dump (  void   )  const [virtual]

Reimplemented from Phy. Definition at line 415 of file wireless-phy.cc. References ant_, Phy::dump(), Antenna::getRxGain(), Antenna::getTxGain(), L_, lambda_, and Pt_. { Phy::dump(); fprintf(stdout, "\tPt: %f, Gt: %f, Gr: %f, lambda: %f, L: %f\n", Pt_, ant_->getTxGain(0,0,0,lambda_), ant_->getRxGain(0,0,0,lambda_), lambda_, L_); //fprintf(stdout, "\tbandwidth: %f\n", bandwidth_); fprintf(stdout, "--------------------------------------------------\n"); }

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EnergyModel* WirelessPhy::em (   )  [inline, private]

Definition at line 118 of file wireless-phy.h. References Node::energy_model(), and node(). Referenced by command(), node_off(), node_on(), sendDown(), sendUp(), and UpdateIdleEnergy(). { return node()->energy_model(); }

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double WirelessPhy::getL (   )  const [inline]

Definition at line 73 of file wireless-phy.h. References L_. Referenced by TwoRayGround::Pr(), Shadowing::Pr(), and FreeSpace::Pr(). {return L_;}

double WirelessPhy::getLambda (   )  const [inline]

Definition at line 74 of file wireless-phy.h. References lambda_. Referenced by TwoRayGround::Pr(), Shadowing::Pr(), and FreeSpace::Pr(). {return lambda_;}

double WirelessPhy::getPtconsume (   )  [inline]

Definition at line 76 of file wireless-phy.h. References Pt_consume_. { return Pt_consume_; }

void NsObject::handle (  Event *   )  [protected, virtual, inherited]

Implements Handler. Reimplemented in LinkDelay, LL, AckRecons, and Snoop. Definition at line 91 of file object.cc. References NsObject::recv(). { recv((Packet*)e); }

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LinkHead* Phy::head (   )  [inline, inherited]

Definition at line 108 of file phy.h. References Phy::head_. Referenced by SatRouteObject::compute_topology(), SatChannel::find_peer_mac_addr(), LinkHandoffMgr::get_peer(), LinkHandoffMgr::get_peer_linkhead(), and SatPhy::sendDown(). { return head_; }

int WirelessPhy::initialized (   )  [inline, private]

Definition at line 113 of file wireless-phy.h. References BiConnector::downtarget_, Phy::node_, propagation_, and BiConnector::uptarget_. Referenced by sendDown(), and sendUp(). { return (node_ && uptarget_ && downtarget_ && propagation_); }

void Phy::insertchnl (  struct if_head *  head  )  [inline, inherited]

Definition at line 89 of file phy.h. References LIST_INSERT_HEAD. Referenced by SatChannel::add_interface(), SatLinkHandoffMgr::handoff(), and TermLinkHandoffMgr::handoff(). { LIST_INSERT_HEAD(head, this, chnl_link_); //channel_ = chnl; }

void Phy::insertnode (  struct if_head *  head  )  [inline, inherited]

Definition at line 95 of file phy.h. References LIST_INSERT_HEAD. Referenced by SatNode::command(), and MobileNode::command(). { LIST_INSERT_HEAD(head, this, node_link_); //node_ = node; }

int NsObject::isdebug (   )  const [inline, inherited]

Definition at line 61 of file object.h. References NsObject::debug_. { return debug_; }

Phy::LIST_ENTRY (  Phy   )  [protected, inherited]

Phy::LIST_ENTRY (  Phy   )  [protected, inherited]

Phy* Phy::nextchnl (  void   )  const [inline, inherited]

Definition at line 88 of file phy.h. Referenced by SatRouteObject::compute_topology(), Channel::dump(), SatChannel::find_peer_mac_addr(), LinkHandoffMgr::get_peer(), LinkHandoffMgr::get_peer_linkhead(), NoDupChannel::sendUp(), and Channel::sendUp(). { return chnl_link_.le_next; }

Phy* Phy::nextnode (  void   )  const [inline, inherited]

Definition at line 94 of file phy.h. Referenced by MobileNode::dump(), and Channel::sendUp(). { return node_link_.le_next; }

Node* WirelessPhy::node (  void   )  const [inline, virtual]

Reimplemented from Phy. Definition at line 75 of file wireless-phy.h. References Phy::node_. Referenced by em(), sendDown(), and sendUp(). { return node_; }

void WirelessPhy::node_off (   )

Definition at line 403 of file wireless-phy.cc. References EnergyModel::DecrIdleEnergy(), em(), NOW, P_idle_, and update_energy_time_. { if (em() == NULL) return; if (NOW > update_energy_time_) { em()->DecrIdleEnergy(NOW-update_energy_time_, P_idle_); update_energy_time_ = NOW; } }

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void WirelessPhy::node_on (   )

Definition at line 393 of file wireless-phy.cc. References em(), NOW, and update_energy_time_. { if (em() == NULL) return; if (NOW > update_energy_time_) { update_energy_time_ = NOW; } }

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void NsObject::recv (  Packet *  p, const char *  s )  [virtual, inherited]

Reimplemented in CMUTrace. Definition at line 96 of file object.cc. References Packet::free(). { Packet::free(p); }

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void Phy::recv (  Packet *  p, Handler *  h )  [virtual, inherited]

Reimplemented from BiConnector. Reimplemented in RepeaterPhy. Definition at line 106 of file phy.cc. References hdr_cmn::DOWN, Packet::free(), HDR_CMN, NsObject::recv(), Phy::sendDown(), Phy::sendUp(), hdr_cmn::UP, and BiConnector::uptarget_. Referenced by NoDupChannel::sendUp(). { struct hdr_cmn *hdr = HDR_CMN(p); //struct hdr_sr *hsr = HDR_SR(p); /* * Handle outgoing packets */ switch(hdr->direction()) { case hdr_cmn::DOWN : /* * The MAC schedules its own EOT event so we just * ignore the handler here. It's only purpose * it distinguishing between incoming and outgoing * packets. */ sendDown(p); return; case hdr_cmn::UP : if (sendUp(p) == 0) { /* * XXX - This packet, even though not detected, * contributes to the Noise floor and hence * may affect the reception of other packets. */ Packet::free(p); return; } else { uptarget_->recv(p, (Handler*) 0); } break; default: printf("Direction for pkt-flow not specified; Sending pkt up the stack on default.\n\n"); if (sendUp(p) == 0) { /* * XXX - This packet, even though not detected, * contributes to the Noise floor and hence * may affect the reception of other packets. */ Packet::free(p); return; } else { uptarget_->recv(p, (Handler*) 0); } } }

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virtual void NsObject::recvOnly (  Packet *   )  [inline, virtual, inherited]

Reimplemented in Agent, and Trace. Definition at line 56 of file object.h. Referenced by Trace::recvOnly(). {};

void Phy::removechnl (   )  [inline, inherited]

Definition at line 99 of file phy.h. References LIST_REMOVE. Referenced by SatLinkHandoffMgr::handoff(), TermLinkHandoffMgr::handoff(), and SatChannel::remove_interface(). { LIST_REMOVE(this, chnl_link_); }

void NsObject::reset (   )  [protected, virtual, inherited]

Reimplemented in BayFullTcpAgent, HashClassifier, IvsSource, dsREDQueue, DiffusionRate, SinkAgent, DiffusionAgent, FloodingAgent, OmniMcastAgent, LinkDelay, CBQueue, DropTail, ErrorModel, PIQueue, Queue< T >, RedPDQueue, REDQueue, REMQueue, RIOQueue, Snoop, FackTcpAgent, FullTcpAgent, SackFullTcpAgent, RFC793eduTcpAgent, Sack1TcpAgent, TcpSink, DelAckSink, TcpAgent, VegasTcpAgent, toraAgent, and Queue< T >. Definition at line 70 of file object.cc. Referenced by NsObject::command(). { }

virtual void BiConnector::sendDown (  Packet *  p, Handler *  h )  [inline, protected, virtual, inherited]

Reimplemented in Mac802_3. Definition at line 55 of file bi-connector.h. References BiConnector::downtarget_, and NsObject::recv(). Referenced by BiConnector::recv(). { downtarget_->recv(p, h); }

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void WirelessPhy::sendDown (  Packet *  p  )  [virtual]

Implements Phy. Definition at line 183 of file wireless-phy.cc. References hdr_cmn::access(), ant_, Phy::channel_, channel_idle_time_, Antenna::copy(), EnergyModel::DecrIdleEnergy(), EnergyModel::DecrTxEnergy(), em(), EnergyModel::energy(), Packet::free(), initialized(), lambda_, last_send_time_, max, min, node(), EnergyModel::node_on(), NOW, P_idle_, Pr_consume_, Pt_, Pt_consume_, Channel::recv(), RECV, SEND, EnergyModel::setenergy(), EnergyModel::sleep(), PacketStamp::stamp(), status_, Packet::txinfo_, hdr_cmn::txtime(), Phy::txtime(), and update_energy_time_. { /* * Sanity Check */ assert(initialized()); if (em()) if ((em()->node_on() != true) || (em()->sleep())) { Packet::free(p); return; } /* * Decrease node's energy */ if(em()) { if (em()->energy() > 0) { //double txtime = (8.*hdr_cmn::access(p)->size())/bandwidth_; double txtime = hdr_cmn::access(p)->txtime(); double start_time = max(channel_idle_time_, NOW); double end_time = max(channel_idle_time_, NOW+txtime); double actual_txtime = end_time-start_time; if (start_time > update_energy_time_) { em()->DecrIdleEnergy(start_time - update_energy_time_, P_idle_); update_energy_time_ = start_time; } /* It turns out that MAC sends packet even though, it's receiving some packets. if (txtime-actual_txtime > 0.000001) { fprintf(stderr,"Something may be wrong at MAC\n"); fprintf(stderr,"act_tx = %lf, tx = %lf\n", actual_txtime, txtime); } */ // Sanity check double temp = max(NOW,last_send_time_); /* if (NOW < last_send_time_) { fprintf(stderr,"Argggg !! Overlapping transmission. NOW %lf last %lf temp %lf\n", NOW, last_send_time_, temp); } */ double begin_adjust_time = min(channel_idle_time_, temp); double finish_adjust_time = min(channel_idle_time_, NOW+txtime); double gap_adjust_time = finish_adjust_time - begin_adjust_time; if (gap_adjust_time < 0.0) { fprintf(stderr,"What the heck ! negative gap time.\n"); } if ((gap_adjust_time > 0.0) && (status_ == RECV)) { em()->DecrTxEnergy(gap_adjust_time, Pt_consume_-Pr_consume_); } em()->DecrTxEnergy(actual_txtime,Pt_consume_); if (end_time > channel_idle_time_) { status_ = SEND; } last_send_time_ = NOW+txtime; channel_idle_time_ = end_time; update_energy_time_ = end_time; if (em()->energy() <= 0) { em()->setenergy(0); ((MobileNode*)node())->log_energy(0); } } else { Packet::free(p); return; } } /* * Stamp the packet with the interface arguments */ p->txinfo_.stamp((MobileNode*)node(), ant_->copy(), Pt_, lambda_); // Send the packet channel_->recv(p, this); }

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virtual void BiConnector::sendUp (  Packet *  p, Handler *  h )  [inline, protected, virtual, inherited]

Reimplemented in Mac802_3. Definition at line 57 of file bi-connector.h. References NsObject::recv(), and BiConnector::uptarget_. Referenced by BiConnector::recv(). { uptarget_->recv(p, h); }

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int WirelessPhy::sendUp (  Packet *  p  )  [virtual]

Implements Phy. Definition at line 273 of file wireless-phy.cc. References hdr_cmn::access(), ant_, Modulation::BitError(), channel_idle_time_, PacketStamp::CPThresh, CPThresh_, CSThresh_, EnergyModel::DecrIdleEnergy(), EnergyModel::DecrRcvEnergy(), em(), EnergyModel::energy(), hdr_cmn::error(), PacketStamp::getAntenna(), PacketStamp::getNode(), HDR_CMN, initialized(), Scheduler::instance(), lambda_, max, modulation_, node(), EnergyModel::node_on(), NOW, P_idle_, pow(), Propagation::Pr(), Pr_consume_, propagation_, RECV, Antenna::release(), PacketStamp::RxPr, RXThresh_, EnergyModel::setenergy(), EnergyModel::sleep(), PacketStamp::stamp(), status_, Packet::txinfo_, hdr_cmn::txtime(), and update_energy_time_. { /* * Sanity Check */ assert(initialized()); PacketStamp s; double Pr; int pkt_recvd = 0; // if the node is in sleeping mode, drop the packet simply if (em()) if (em()->sleep() || (em()->node_on() != true)) { pkt_recvd = 0; goto DONE; } // if the energy goes to ZERO, drop the packet simply if (em()) { if (em()->energy() <= 0) { pkt_recvd = 0; goto DONE; } } if(propagation_) { s.stamp((MobileNode*)node(), ant_, 0, lambda_); Pr = propagation_->Pr(&p->txinfo_, &s, this); if (Pr < CSThresh_) { pkt_recvd = 0; goto DONE; } if (Pr < RXThresh_) { /* * We can detect, but not successfully receive * this packet. */ hdr_cmn *hdr = HDR_CMN(p); hdr->error() = 1; #if DEBUG > 3 printf("SM %f.9 _%d_ drop pkt from %d low POWER %e/%e\n", Scheduler::instance().clock(), node()->index(), p->txinfo_.getNode()->index(), Pr,RXThresh); #endif } } if(modulation_) { hdr_cmn *hdr = HDR_CMN(p); hdr->error() = modulation_->BitError(Pr); } /* * The MAC layer must be notified of the packet reception * now - ie; when the first bit has been detected - so that * it can properly do Collision Avoidance / Detection. */ pkt_recvd = 1; DONE: p->txinfo_.getAntenna()->release(); /* WILD HACK: The following two variables are a wild hack. They will go away in the next release... They're used by the mac-802_11 object to determine capture. This will be moved into the net-if family of objects in the future. */ p->txinfo_.RxPr = Pr; p->txinfo_.CPThresh = pow(10,CPThresh_/10); /* CPThresh_ is in db */ /* * Decrease energy if packet successfully received */ if(pkt_recvd && em()) { //double rcvtime = (8. * hdr_cmn::access(p)->size())/bandwidth_; double rcvtime = hdr_cmn::access(p)->txtime(); // no way to reach here if the energy level < 0 /* node()->add_rcvtime(rcvtime); em()->DecrRcvEnergy(rcvtime,Pr_consume_); */ double start_time = max(channel_idle_time_, NOW); double end_time = max(channel_idle_time_, NOW+rcvtime); double actual_rcvtime = end_time-start_time; if (start_time > update_energy_time_) { em()->DecrIdleEnergy(start_time-update_energy_time_, P_idle_); update_energy_time_ = start_time; } em()->DecrRcvEnergy(actual_rcvtime,Pr_consume_); if (end_time > channel_idle_time_) { status_ = RECV; } channel_idle_time_ = end_time; update_energy_time_ = end_time; /* hdr_diff *dfh = HDR_DIFF(p); printf("Node %d receives (%d, %d, %d) energy %lf.\n", node()->address(), dfh->sender_id.addr_, dfh->sender_id.port_, dfh->pk_num, node()->energy()); */ if (em()->energy() <= 0) { // saying node died em()->setenergy(0); ((MobileNode*)node())->log_energy(0); } } return pkt_recvd; }

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void Phy::setchnl (  Channel *  chnl  )  [inline, inherited]

Definition at line 102 of file phy.h. References Phy::channel_. Referenced by SatChannel::add_interface(), SatLinkHandoffMgr::handoff(), TermLinkHandoffMgr::handoff(), and SatChannel::remove_interface(). { channel_ = chnl; }

virtual void Phy::setnode (  Node *  node  )  [inline, virtual, inherited]

Definition at line 103 of file phy.h. References Phy::node_. Referenced by SatNode::command(), and MobileNode::command(). { node_ = node; }

double Phy::txtime (  int  bytes  )  [inline, inherited]

Definition at line 83 of file phy.h. References Phy::bandwidth_. { return (8.0 * bytes / bandwidth_); }

double Phy::txtime (  Packet *  p  )  [inline, inherited]

Definition at line 81 of file phy.h. References hdr_cmn::access(), Phy::bandwidth_, and hdr_cmn::size(). Referenced by Mac802_3::collision(), Mac8023HandlerSend::handle(), Mac802_3::recv_complete(), MacHandlerRetx::schedule(), sendDown(), Mac802_3::sendDown(), Mac802_3::sendUp(), and Mac802_3::transmit(). { return (hdr_cmn::access(p)->size() * 8.0) / bandwidth_; }

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void WirelessPhy::UpdateIdleEnergy (   )  [private]

Definition at line 426 of file wireless-phy.cc. References em(), EnergyModel::energy(), idle_timer_, Phy::node_, EnergyModel::node_on(), NOW, P_idle_, TimerHandler::resched(), and update_energy_time_. Referenced by Idle_Timer::expire(). { if (em() == NULL) { return; } if (NOW > update_energy_time_ && em()->node_on()) { em()-> DecrIdleEnergy(NOW-update_energy_time_, P_idle_); update_energy_time_ = NOW; } // log node energy if (em()->energy() > 0) { ((MobileNode *)node_)->log_energy(1); } else { ((MobileNode *)node_)->log_energy(0); } idle_timer_.resched(10.0); }

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NsObject* BiConnector::uptarget (   )  [inline, inherited]

Definition at line 48 of file bi-connector.h. References BiConnector::uptarget_. Referenced by SatChannel::find_peer_mac_addr(). { return uptarget_; }

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Friends And Related Function Documentation

friend class Idle_Timer [friend]

Definition at line 120 of file wireless-phy.h.

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Member Data Documentation

Antenna* WirelessPhy::ant_ [protected]

Definition at line 101 of file wireless-phy.h. Referenced by command(), dump(), sendDown(), sendUp(), and WirelessPhy().

double Phy::bandwidth_ [protected, inherited]

Definition at line 137 of file phy.h. Referenced by Phy::bittime(), Phy::Phy(), Phy::txtime(), and WiredPhy::WiredPhy().

Channel* Phy::channel_ [protected, inherited]

Definition at line 138 of file phy.h. Referenced by Phy::channel(), Phy::command(), Phy::dump(), Phy::Phy(), sendDown(), WiredPhy::sendDown(), RepeaterPhy::sendDown(), SatPhy::sendDown(), and Phy::setchnl().

double WirelessPhy::channel_idle_time_ [protected]

Definition at line 90 of file wireless-phy.h. Referenced by sendDown(), sendUp(), and WirelessPhy().

double WirelessPhy::CPThresh_ [protected]

Definition at line 99 of file wireless-phy.h. Referenced by sendUp(), and WirelessPhy().

double WirelessPhy::CSThresh_ [protected]

Definition at line 98 of file wireless-phy.h. Referenced by sendUp(), and WirelessPhy().

int NsObject::debug_ [protected, inherited]

Reimplemented in FECModel, FloodAgent, and LandmarkAgent. Definition at line 66 of file object.h. Referenced by REDQueue::command(), RedPDQueue::command(), PushbackQueue::command(), NsObject::debug(), NsObject::delay_bind_dispatch(), RedPDQueue::enque(), PushbackQueue::enque(), NsObject::isdebug(), NsObject::NsObject(), TfrcAgent::recv(), PushbackQueue::reportDrop(), and REDQueue::reset().

NsObject* BiConnector::downtarget_ [protected, inherited]

Definition at line 63 of file bi-connector.h. Referenced by Phy::command(), BiConnector::command(), BiConnector::downtarget(), initialized(), WiredPhy::initialized(), SMAC::initialized(), Mac::initialized(), FECModel::recv(), MacTdma::send(), UnslottedAlohaMac::sendDown(), SatMac::sendDown(), Mac::sendDown(), BiConnector::sendDown(), SMAC::transmit(), and Mac802_3::transmit().

NsObject* BiConnector::drop_ [protected, inherited]

Definition at line 64 of file bi-connector.h. Referenced by BiConnector::command(), and BiConnector::drop().

double WirelessPhy::freq_ [protected]

Definition at line 93 of file wireless-phy.h. Referenced by WirelessPhy().

LinkHead* Phy::head_ [protected, inherited]

Definition at line 116 of file phy.h. Referenced by Phy::command(), Phy::head(), and Phy::Phy().

Idle_Timer WirelessPhy::idle_timer_ [protected]

Definition at line 108 of file wireless-phy.h. Referenced by UpdateIdleEnergy(), and WirelessPhy().

int Phy::index_ [protected, inherited]

Definition at line 113 of file phy.h. Referenced by Phy::command(), Phy::dump(), and Phy::Phy().

double WirelessPhy::L_ [protected]

Definition at line 95 of file wireless-phy.h. Referenced by dump(), getL(), and WirelessPhy().

double WirelessPhy::lambda_ [protected]

Definition at line 94 of file wireless-phy.h. Referenced by dump(), getLambda(), sendDown(), sendUp(), and WirelessPhy().

double WirelessPhy::last_send_time_ [protected]

Definition at line 89 of file wireless-phy.h. Referenced by sendDown(), and WirelessPhy().

Modulation* WirelessPhy::modulation_ [protected]

Definition at line 103 of file wireless-phy.h. Referenced by sendUp(), and WirelessPhy().

Node* Phy::node_ [protected, inherited]

Definition at line 115 of file phy.h. Referenced by command(), Phy::command(), initialized(), WiredPhy::initialized(), node(), Phy::node(), Phy::Phy(), Phy::setnode(), UpdateIdleEnergy(), and WirelessPhy().

double WirelessPhy::P_idle_ [protected]

Definition at line 88 of file wireless-phy.h. Referenced by command(), node_off(), sendDown(), sendUp(), UpdateIdleEnergy(), and WirelessPhy().

double WirelessPhy::Pr_consume_ [protected]

Definition at line 87 of file wireless-phy.h. Referenced by command(), sendDown(), sendUp(), and WirelessPhy().

Propagation* WirelessPhy::propagation_ [protected]

Definition at line 102 of file wireless-phy.h. Referenced by command(), initialized(), sendUp(), and WirelessPhy().

double WirelessPhy::Pt_ [protected]

Definition at line 85 of file wireless-phy.h. Referenced by dump(), sendDown(), and WirelessPhy().

double WirelessPhy::Pt_consume_ [protected]

Definition at line 86 of file wireless-phy.h. Referenced by command(), getPtconsume(), sendDown(), and WirelessPhy().

double WirelessPhy::RXThresh_ [protected]

Definition at line 97 of file wireless-phy.h. Referenced by sendUp(), and WirelessPhy().

int WirelessPhy::status_ [protected]

Definition at line 111 of file wireless-phy.h. Referenced by sendDown(), and sendUp().

double WirelessPhy::update_energy_time_ [protected]

Definition at line 91 of file wireless-phy.h. Referenced by command(), node_off(), node_on(), sendDown(), sendUp(), UpdateIdleEnergy(), and WirelessPhy().

NsObject* BiConnector::uptarget_ [protected, inherited]

Definition at line 60 of file bi-connector.h. Referenced by BiConnector::command(), Phy::dump(), UnslottedAlohaMac::end_of_contention(), initialized(), WiredPhy::initialized(), SMAC::initialized(), Mac::initialized(), God::initialized(), RepeaterPhy::recv(), Phy::recv(), FECModel::recv(), Mac802_3::recv_complete(), MacTdma::recvDATA(), Mac802_11::recvDATA(), SMAC::rxMsgDone(), SatMac::sendUp(), Mac::sendUp(), BiConnector::sendUp(), and BiConnector::uptarget().

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The documentation for this class was generated from the following files:

• wireless-phy.h
• wireless-phy.cc

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