lr-wpan-error-model.h

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/*
 * Copyright (c) 2011 The Boeing Company
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 * Author: Gary Pei <guangyu.pei@boeing.com>
 */
#ifndef LR_WPAN_ERROR_MODEL_H
#define LR_WPAN_ERROR_MODEL_H
 
#include <ns3/object.h>
 
namespace ns3
{
namespace lrwpan
{
 
/**
 * \ingroup lr-wpan
 *
 * Model the error rate for IEEE 802.15.4 2.4 GHz AWGN channel for OQPSK
 * the model description can be found in IEEE Std 802.15.4-2006, section
 * E.4.1.7
 */
class LrWpanErrorModel : public Object
{
  public:
    /**
     * Get the type ID.
     *
     * \return the object TypeId
     */
    static TypeId GetTypeId();
 
    LrWpanErrorModel();
 
    /**
     * Return chunk success rate for given SNR.
     *
     * \return success rate (i.e. 1 - chunk error rate)
     * \param snr SNR expressed as a power ratio (i.e. not in dB)
     * \param nbits number of bits in the chunk
     */
    double GetChunkSuccessRate(double snr, uint32_t nbits) const;
 
  private:
    /**
     * Array of precalculated binomial coefficients.
     */
    double m_binomialCoefficients[17];
};
} // namespace lrwpan
} // namespace ns3
 
#endif /* LR_WPAN_ERROR_MODEL_H */