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| 1 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ |
| 2 /* |
| 3 * Copyright (c) 2011 The Boeing Company |
| 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: Gary Pei <guangyu.pei@boeing.com> |
| 19 */ |
| 20 #ifndef LR_WPAN_ERROR_MODEL_H |
| 21 #define LR_WPAN_ERROR_MODEL_H |
| 22 |
| 23 #include <ns3/object.h> |
| 24 |
| 25 namespace ns3 { |
| 26 |
| 27 /** |
| 28 * \ingroup lr-wpan |
| 29 * |
| 30 * Model the error rate for IEEE 802.15.4 2.4 GHz AWGN channel for OQPSK |
| 31 * the model description can be found in IEEE Std 802.15.4-2006, section |
| 32 * E.4.1.7 |
| 33 */ |
| 34 class LrWpanErrorModel : public Object |
| 35 { |
| 36 public: |
| 37 static TypeId GetTypeId (void); |
| 38 |
| 39 LrWpanErrorModel (void); |
| 40 |
| 41 /** |
| 42 * return chunk success rate for given SNR |
| 43 * \return success rate (i.e. 1 - chunk error rate) |
| 44 * \param snr SNR expressed as a power ratio (i.e. not in dB) |
| 45 * \param nbits number of bits in the chunk |
| 46 */ |
| 47 double GetChunkSuccessRate (double snr, uint32_t nbits) const; |
| 48 |
| 49 private: |
| 50 double m_binomialCoefficients[17]; |
| 51 |
| 52 }; |
| 53 |
| 54 |
| 55 } // namespace ns3 |
| 56 |
| 57 #endif /* LR_WPAN_ERROR_MODEL_H */ |
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