lte-enb-net-device.h

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/*
 * Copyright (c) 2010 TELEMATICS LAB, DEE - Politecnico di Bari
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 * Author: Giuseppe Piro  <g.piro@poliba.it>
 * Author: Marco Miozzo <marco.miozzo@cttc.es> : Update to FF API Architecture
 * Author: Danilo Abrignani <danilo.abrignani@unibo.it> : Integrated with new architecture - GSoC
 * 2015 - Carrier Aggregation
 */
 
#ifndef LTE_ENB_NET_DEVICE_H
#define LTE_ENB_NET_DEVICE_H
 
#include "component-carrier.h"
#include "lte-net-device.h"
 
#include "ns3/event-id.h"
#include "ns3/mac48-address.h"
#include "ns3/nstime.h"
#include "ns3/traced-callback.h"
 
#include <map>
#include <vector>
 
namespace ns3
{
 
class Packet;
class PacketBurst;
class Node;
class LtePhy;
class LteEnbPhy;
class LteEnbMac;
class LteEnbRrc;
class FfMacScheduler;
class LteHandoverAlgorithm;
class LteAnr;
class LteFfrAlgorithm;
class LteEnbComponentCarrierManager;
 
/**
 * @ingroup lte
 *
 * The eNodeB device implementation
 */
class LteEnbNetDevice : public LteNetDevice
{
  public:
    /**
     * @brief Get the type ID.
     * @return the object TypeId
     */
    static TypeId GetTypeId();
 
    LteEnbNetDevice();
 
    ~LteEnbNetDevice() override;
    void DoDispose() override;
 
    // inherited from NetDevice
    bool Send(Ptr<Packet> packet, const Address& dest, uint16_t protocolNumber) override;
 
    /**
     * @return a pointer to the MAC of the PCC.
     */
    Ptr<LteEnbMac> GetMac() const;
 
    /**
     * @param index CC index
     * @return a pointer to the MAC of the CC addressed by index.
     */
    Ptr<LteEnbMac> GetMac(uint8_t index) const;
 
    /**
     * @return a pointer to the physical layer of the PCC.
     */
    Ptr<LteEnbPhy> GetPhy() const;
 
    /**
     * @param index SCC index
     * @return a pointer to the physical layer of the SCC addressed by index.
     */
    Ptr<LteEnbPhy> GetPhy(uint8_t index) const;
 
    /**
     * @return a pointer to the Radio Resource Control instance of the eNB
     */
    Ptr<LteEnbRrc> GetRrc() const;
 
    /**
     * @return a pointer to the ComponentCarrierManager instance of the eNB
     */
    Ptr<LteEnbComponentCarrierManager> GetComponentCarrierManager() const;
 
    /**
     * @return the Cell Identifier of this eNB
     */
    uint16_t GetCellId() const;
 
    /**
     * @return the identifiers of cells served by this eNB
     */
    std::vector<uint16_t> GetCellIds() const;
 
    /**
     * @param cellId cell ID
     * @return true if cellId is served by this eNB
     */
    bool HasCellId(uint16_t cellId) const;
 
    /**
     * @return the uplink bandwidth in RBs
     */
    uint16_t GetUlBandwidth() const;
 
    /**
     * @param bw the uplink bandwidth in RBs
     */
    void SetUlBandwidth(uint16_t bw);
 
    /**
     * @return the downlink bandwidth in RBs
     */
    uint16_t GetDlBandwidth() const;
 
    /**
     * @param bw the downlink bandwidth in RBs
     */
    void SetDlBandwidth(uint16_t bw);
 
    /**
     * @return the downlink carrier frequency (EARFCN)
     */
    uint32_t GetDlEarfcn() const;
 
    /**
     * @param earfcn the downlink carrier frequency (EARFCN)
     */
    void SetDlEarfcn(uint32_t earfcn);
 
    /**
     * @return the uplink carrier frequency (EARFCN)
     */
    uint32_t GetUlEarfcn() const;
 
    /**
     * @param earfcn the uplink carrier frequency (EARFCN)
     */
    void SetUlEarfcn(uint32_t earfcn);
 
    /**
     * @brief Returns the CSG ID of the eNodeB.
     * @return the Closed Subscriber Group identity
     * \sa LteEnbNetDevice::SetCsgId
     */
    uint32_t GetCsgId() const;
 
    /**
     * @brief Associate the eNodeB device with a particular CSG.
     * @param csgId the intended Closed Subscriber Group identity
     *
     * CSG identity is a number identifying a Closed Subscriber Group which the
     * cell belongs to. eNodeB is associated with a single CSG identity.
     *
     * The same CSG identity can also be associated to several UEs, which is
     * equivalent as enlisting these UEs as the members of this particular CSG.
     *
     * \sa LteEnbNetDevice::SetCsgIndication
     */
    void SetCsgId(uint32_t csgId);
 
    /**
     * @brief Returns the CSG indication flag of the eNodeB.
     * @return the CSG indication flag
     * \sa LteEnbNetDevice::SetCsgIndication
     */
    bool GetCsgIndication() const;
 
    /**
     * @brief Enable or disable the CSG indication flag.
     * @param csgIndication if TRUE, only CSG members are allowed to access this
     *                      cell
     *
     * When the CSG indication field is set to TRUE, only UEs which are members of
     * the CSG (i.e. same CSG ID) can gain access to the eNodeB, therefore
     * enforcing closed access mode. Otherwise, the eNodeB operates as a non-CSG
     * cell and implements open access mode.
     *
     * @note This restriction only applies to initial cell selection and
     *       EPC-enabled simulation.
     *
     * \sa LteEnbNetDevice::SetCsgIndication
     */
    void SetCsgIndication(bool csgIndication);
 
    /**
     * @brief Set the ComponentCarrier Map of the Enb
     * @param ccm the map of ComponentCarrierEnb
     *
     */
 
    void SetCcMap(std::map<uint8_t, Ptr<ComponentCarrierBaseStation>> ccm);
 
    /**
     * @returns  The Component Carrier Map of the Enb.
     *
     */
 
    std::map<uint8_t, Ptr<ComponentCarrierBaseStation>> GetCcMap() const;
 
  protected:
    // inherited from Object
    void DoInitialize() override;
 
  private:
    bool m_isConstructed; ///< is constructed?
    bool m_isConfigured;  ///< is configured?
 
    /**
     * @brief Propagate attributes and configuration to sub-modules.
     *
     * Several attributes (e.g., the bandwidth) are exported as the attributes of
     * the LteEnbNetDevice from a user perspective, but are actually used also in
     * other sub-modules (the RRC, the PHY, the scheduler, etc.). This method
     * takes care of updating the configuration of all these sub-modules so that
     * their copy of attribute values are in sync with the one in
     * the LteEnbNetDevice.
     */
    void UpdateConfig();
 
    Ptr<LteEnbRrc> m_rrc; ///< the RRC
 
    Ptr<LteHandoverAlgorithm> m_handoverAlgorithm; ///< the handover algorithm
 
    Ptr<LteAnr> m_anr; ///< ANR
 
    Ptr<LteFfrAlgorithm> m_ffrAlgorithm; /**< DEPRECATED - It is maintained for backward
                                            compatibility after adding CA feature*/
 
    uint16_t m_cellId; /**< Cell Identifier. Part of the CGI, see TS 29.274, section 8.21.1  */
 
    uint16_t m_dlBandwidth; /**<DEPRECATE - It is maintained for backward compatibility after adding
                               CA feature- downlink bandwidth in RBs */
    uint16_t m_ulBandwidth; /**<DEPRECATE - It is maintained for backward compatibility after adding
                               CA feature- uplink bandwidth in RBs */
 
    uint32_t m_dlEarfcn; /**<DEPRECATE - It is maintained for backward compatibility after adding CA
                            feature- downlink carrier frequency */
    uint32_t m_ulEarfcn; /**<DEPRECATE - It is maintained for backward compatibility after adding CA
                            feature- uplink carrier frequency */
 
    uint16_t m_csgId;     ///< CSG ID
    bool m_csgIndication; ///< CSG indication
 
    std::map<uint8_t, Ptr<ComponentCarrierBaseStation>> m_ccMap; /**< ComponentCarrier map */
 
    Ptr<LteEnbComponentCarrierManager>
        m_componentCarrierManager; ///< the component carrier manager of this eNb
};
 
} // namespace ns3
 
#endif /* LTE_ENB_NET_DEVICE_H */