lte-enb-phy-sap.h

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/*
 * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Marco Miozzo <mmiozzo@cttc.es>
 */
 
#ifndef LTE_ENB_PHY_SAP_H
#define LTE_ENB_PHY_SAP_H
 
#include "ff-mac-common.h"
#include "ff-mac-sched-sap.h"
 
#include <ns3/packet.h>
 
namespace ns3
{
 
class LteControlMessage;
 
/**
 * Service Access Point (SAP) offered by the eNB-PHY to the eNB-MAC
 *
 * This is the PHY SAP Provider, i.e., the part of the SAP that contains
 * the PHY methods called by the MAC
 */
class LteEnbPhySapProvider
{
  public:
    virtual ~LteEnbPhySapProvider();
 
    /**
     * \brief Send the MAC PDU to the channel
     * \param p the MAC PDU to send
     */
    virtual void SendMacPdu(Ptr<Packet> p) = 0;
 
    /**
     * \brief Send SendLteControlMessage (PDCCH map, CQI feedbacks) using the ideal control channel
     * \param msg the Ideal Control Message to send
     */
    virtual void SendLteControlMessage(Ptr<LteControlMessage> msg) = 0;
 
    /**
     * \brief Get the delay from MAC to Channel expressed in TTIs
     * \returns MAC channel TTI delay
     */
    virtual uint8_t GetMacChTtiDelay() = 0;
};
 
/**
 * Service Access Point (SAP) offered by the eNB-PHY to the eNB-MAC
 *
 * This is the MAC SAP User, i.e., the part of the SAP that contains the MAC
 * methods called by the PHY
 */
class LteEnbPhySapUser
{
  public:
    virtual ~LteEnbPhySapUser();
 
    /**
     * Called by the Phy to notify the MAC of the reception of a new PHY-PDU
     *
     * \param p
     */
    virtual void ReceivePhyPdu(Ptr<Packet> p) = 0;
 
    /**
     * \brief Trigger the start from a new frame (input from Phy layer)
     * \param frameNo frame number
     * \param subframeNo subframe number
     */
    virtual void SubframeIndication(uint32_t frameNo, uint32_t subframeNo) = 0;
 
    /**
     * \brief Receive SendLteControlMessage (PDCCH map, CQI feedbacks) using the ideal control
     * channel
     * \param msg the Ideal Control Message to receive
     */
    virtual void ReceiveLteControlMessage(Ptr<LteControlMessage> msg) = 0;
 
    /**
     * notify the reception of a RACH preamble on the PRACH
     *
     * \param prachId the ID of the preamble
     */
    virtual void ReceiveRachPreamble(uint32_t prachId) = 0;
 
    /**
     * \brief Returns to MAC level the UL-CQI evaluated
     * \param ulcqi the UL-CQI (see FF MAC API 4.3.29)
     */
    virtual void UlCqiReport(FfMacSchedSapProvider::SchedUlCqiInfoReqParameters ulcqi) = 0;
 
    /**
     * Notify the HARQ on the UL transmission status
     *
     * \param params
     */
    virtual void UlInfoListElementHarqFeedback(UlInfoListElement_s params) = 0;
 
    /**
     * Notify the HARQ on the DL transmission status
     *
     * \param params
     */
    virtual void DlInfoListElementHarqFeedback(DlInfoListElement_s params) = 0;
};
 
} // namespace ns3
 
#endif // LTE_ENB_PHY_SAP_H