diff --git a/src/lte/helper/mac-stats-calculator.h b/src/lte/helper/mac-stats-calculator.h
index ce8e76846..97c6989ac 100644
--- a/src/lte/helper/mac-stats-calculator.h
+++ b/src/lte/helper/mac-stats-calculator.h
@@ -28,20 +28,72 @@
 #include <fstream>
 
 namespace ns3 {
-  
+
+/**
+ * Takes care of storing the information generated at MAC layer. Metrics saved are:
+ *time\tframe\tsframe\tRNTI\tmcsTb1\tsizeTb1\tmcsTb2\tsizeTb2
+ *   - Timestamp (in seconds)
+ *   - Frame index
+ *   - Subframe index
+ *   - C-RNTI
+ *   - MCS for transport block 1
+ *   - Size of transport block 1
+ *   - MCS for transport block 2 (0 if not used)
+ *   - Size of transport block 2 (0 if not used)
+ */
 class MacStatsCalculator : public Object
 {
 public:
-  MacStatsCalculator();
-  virtual
-  ~MacStatsCalculator();
+  /**
+   * Constructor
+   */
+  MacStatsCalculator ();
+
+  /**
+   * Destructor
+   */
+  virtual ~MacStatsCalculator ();
+
+  /**
+   * Inherited from ns3::Object
+   */
   static TypeId GetTypeId (void);
 
+  /**
+   * Set the name of the file where the uplink statistics will be stored.
+   *
+   * \param outputFilename string with the name of the file
+   */
   void SetUlOutputFilename (std::string outputFilename);
+
+  /**
+   * Set the name of the file where the downlink statistics will be stored.
+   *
+   * \param outputFilename string with the name of the file
+   */
   void SetDlOutputFilename (std::string outputFilename);
 
+  /**
+   * Notifies the stats calculator that an downlink scheduling has occurred.
+   * @param frameNo Frame number
+   * @param subframeNo Subframe number
+   * @param rnti C-RNTI scheduled
+   * @param mcsTb1 MCS for transport block 1
+   * @param sizeTb1 Size of transport block 1
+   * @param mcsTb2 MCS for transport block 2 (0 if not used)
+   * @param sizeTb2 Size of transport block 2 (0 if not used)
+   */
   void DlScheduling (uint32_t frameNo, uint32_t subframeNo, uint16_t rnti,
                      uint8_t mcsTb1, uint16_t sizeTb1, uint8_t mcsTb2, uint16_t sizeTb2);
+
+  /**
+   * Notifies the stats calculator that an uplink scheduling has occurred.
+   * @param frameNo Frame number
+   * @param subframeNo Subframe number
+   * @param rnti C-RNTI scheduled
+   * @param mcsTb MCS for transport block
+   * @param sizeTb Size of transport block
+   */
   void UlScheduling (uint32_t frameNo, uint32_t subframeNo, uint16_t rnti,
                      uint8_t mcs, uint16_t sizeTb);