src/lte/model/shadowing-loss-model.cc
changeset 8749 4462ac63d4cf
parent 8748 87a141a38088
parent 8747 2aec19a85c73
child 8750 b3db7d51f260
child 8765 b89660102b63
equal deleted inserted replaced
8748:87a141a38088 8749:4462ac63d4cf
     1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
       
     2 /*
       
     3  * Copyright (c) 2010 TELEMATICS LAB, DEE - Politecnico di Bari
       
     4  *
       
     5  * This program is free software; you can redistribute it and/or modify
       
     6  * it under the terms of the GNU General Public License version 2 as
       
     7  * published by the Free Software Foundation;
       
     8  *
       
     9  * This program is distributed in the hope that it will be useful,
       
    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
       
    12  * GNU General Public License for more details.
       
    13  *
       
    14  * You should have received a copy of the GNU General Public License
       
    15  * along with this program; if not, write to the Free Software
       
    16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
       
    17  *
       
    18  * Author: Giuseppe Piro  <g.piro@poliba.it>
       
    19  */
       
    20 
       
    21 
       
    22 #include <ns3/log.h>
       
    23 #include "shadowing-loss-model.h"
       
    24 
       
    25 NS_LOG_COMPONENT_DEFINE ("ShadowingLossModel");
       
    26 
       
    27 namespace ns3 {
       
    28 
       
    29 
       
    30 NS_OBJECT_ENSURE_REGISTERED (ShadowingLossModel);
       
    31 
       
    32 ShadowingLossModel::ShadowingLossModel ()
       
    33   : m_randVariable (.0, 8.)
       
    34 {
       
    35   SetValue (m_randVariable.GetValue ());
       
    36   SetLastUpdate ();
       
    37   SetSamplingPeriod (0.5); // defauld value
       
    38 }
       
    39 
       
    40 
       
    41 ShadowingLossModel::ShadowingLossModel (double mu, double sigma, double samplingPeriod)
       
    42   : m_randVariable (mu, sigma)
       
    43 {
       
    44   SetValue (m_randVariable.GetValue ());
       
    45   SetLastUpdate ();
       
    46   SetSamplingPeriod (samplingPeriod); // defauld value
       
    47 }
       
    48 
       
    49 
       
    50 TypeId
       
    51 ShadowingLossModel::GetTypeId (void)
       
    52 {
       
    53   static TypeId tid = TypeId ("ns3::ShadowingLossModel")
       
    54     .SetParent<DiscreteTimeLossModel> ()
       
    55     .AddConstructor<ShadowingLossModel> ()
       
    56   ;
       
    57   return tid;
       
    58 }
       
    59 
       
    60 
       
    61 ShadowingLossModel::~ShadowingLossModel ()
       
    62 {
       
    63 }
       
    64 
       
    65 
       
    66 void
       
    67 ShadowingLossModel::SetValue (double sh)
       
    68 {
       
    69   NS_LOG_FUNCTION (this << sh);
       
    70   m_shadowingValue = sh;
       
    71 }
       
    72 
       
    73 
       
    74 double
       
    75 ShadowingLossModel::GetValue (void)
       
    76 {
       
    77   NS_LOG_FUNCTION (this);
       
    78   if (NeedForUpdate ())
       
    79     {
       
    80       double sh = m_randVariable.GetValue ();
       
    81       SetValue (sh);
       
    82       SetLastUpdate ();
       
    83     }
       
    84 
       
    85   return 0; // m_shadowingValue; XXX: LogNormalVariable doeas not work correctly
       
    86 }
       
    87 
       
    88 
       
    89 } // namespace ns3