diff --git a/src/lte/model/lte-spectrum-value-helper.cc b/src/lte/model/lte-spectrum-value-helper.cc
index 570e2367f..9732ae8dc 100644
--- a/src/lte/model/lte-spectrum-value-helper.cc
+++ b/src/lte/model/lte-spectrum-value-helper.cc
@@ -114,38 +114,62 @@ LteSpectrumValueHelper::GetCarrierFrequency (uint32_t earfcn)
     }
 }
 
-double 
-LteSpectrumValueHelper::GetDownlinkCarrierFrequency (uint32_t nDl)
+uint16_t
+LteSpectrumValueHelper::GetDownlinkCarrierBand (uint32_t nDl)
 {
   NS_LOG_FUNCTION (nDl);
   for (uint16_t i = 0; i < NUM_EUTRA_BANDS; ++i)
     {
-      if ((g_eutraChannelNumbers[i].rangeNdl1 <= nDl)
-          && (g_eutraChannelNumbers[i].rangeNdl2 >= nDl))
+      if (g_eutraChannelNumbers[i].rangeNdl1 <= nDl &&
+          g_eutraChannelNumbers[i].rangeNdl2 >= nDl)
         {
           NS_LOG_LOGIC ("entry " << i << " fDlLow=" << g_eutraChannelNumbers[i].fDlLow);
-          return 1.0e6 * (g_eutraChannelNumbers[i].fDlLow + 0.1 * (nDl - g_eutraChannelNumbers[i].nOffsDl));
+          return i;
         }
     }
   NS_LOG_ERROR ("invalid EARFCN " << nDl);
-  return 0.0;
+  return NUM_EUTRA_BANDS;
 }
 
-double 
-LteSpectrumValueHelper::GetUplinkCarrierFrequency (uint32_t nUl)
+uint16_t
+LteSpectrumValueHelper::GetUplinkCarrierBand (uint32_t nUl)
 {
   NS_LOG_FUNCTION (nUl);
   for (uint16_t i = 0; i < NUM_EUTRA_BANDS; ++i)
     {
-      if ((g_eutraChannelNumbers[i].rangeNul1 <= nUl)
-          && (g_eutraChannelNumbers[i].rangeNul2 >= nUl))
+      if (g_eutraChannelNumbers[i].rangeNul1 <= nUl &&
+          g_eutraChannelNumbers[i].rangeNul2 >= nUl)
         {
           NS_LOG_LOGIC ("entry " << i << " fUlLow=" << g_eutraChannelNumbers[i].fUlLow);
-          return 1.0e6 * (g_eutraChannelNumbers[i].fUlLow + 0.1 * (nUl - g_eutraChannelNumbers[i].nOffsUl));
+          return i;
         }
     }
   NS_LOG_ERROR ("invalid EARFCN " << nUl);
-  return 0.0;
+  return NUM_EUTRA_BANDS;
+}
+
+double
+LteSpectrumValueHelper::GetDownlinkCarrierFrequency (uint32_t nDl)
+{
+  NS_LOG_FUNCTION (nDl);
+  uint16_t i = GetDownlinkCarrierBand (nDl);
+  if (i == NUM_EUTRA_BANDS)
+    {
+      return 0.0;
+    }
+  return 1.0e6 * (g_eutraChannelNumbers[i].fDlLow + 0.1 * (nDl - g_eutraChannelNumbers[i].nOffsDl));
+}
+
+double
+LteSpectrumValueHelper::GetUplinkCarrierFrequency (uint32_t nUl)
+{
+  NS_LOG_FUNCTION (nUl);
+  uint16_t i = GetUplinkCarrierBand (nUl);
+  if (i == NUM_EUTRA_BANDS)
+    {
+      return 0.0;
+    }
+  return 1.0e6 * (g_eutraChannelNumbers[i].fUlLow + 0.1 * (nUl - g_eutraChannelNumbers[i].nOffsUl));
 }
 
 double 
diff --git a/src/lte/model/lte-spectrum-value-helper.h b/src/lte/model/lte-spectrum-value-helper.h
index 57530cc2b..badd263f9 100644
--- a/src/lte/model/lte-spectrum-value-helper.h
+++ b/src/lte/model/lte-spectrum-value-helper.h
@@ -48,13 +48,31 @@ public:
   static double GetCarrierFrequency (uint32_t earfcn);
 
   /**
-   * Calculates the dowlink carrier frequency from the E-UTRA Absolute
+   * Converts downlink EARFCN to corresponding LTE frequency band number.
+   *
+   * \param earfcn the EARFCN
+   *
+   * \return the downlink carrier band
+   */
+  static uint16_t GetDownlinkCarrierBand (uint32_t nDl);
+
+  /**
+   * Converts uplink EARFCN to corresponding LTE frequency band number.
+   *
+   * \param earfcn the EARFCN
+   *
+   * \return the uplink carrier band
+   */
+  static uint16_t GetUplinkCarrierBand (uint32_t nDl);
+
+  /**
+   * Calculates the downlink carrier frequency from the E-UTRA Absolute
    * Radio Frequency Channel Number (EARFCN) using the formula in 3GPP TS
    * 36.101 section 5.7.3 "Carrier frequency and EARFCN".
    *
    * \param earfcn the EARFCN
    *
-   * \return the dowlink carrier frequency in Hz
+   * \return the downlink carrier frequency in Hz
    */
   static double GetDownlinkCarrierFrequency (uint32_t earfcn);