--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/devices/wifi/wifi-mode.h	Fri Aug 24 16:27:59 2007 +0200
@@ -0,0 +1,98 @@
+#ifndef WIFI_MODE_H
+#define WIFI_MODE_H
+
+#include <stdint.h>
+#include <string>
+#include <vector>
+
+namespace ns3 {
+
+class WifiMode
+{
+ public:
+  enum ModulationType {
+    BPSK,
+    QAM
+  };
+  
+  /**
+   * \returns the number of Hz used by this signal
+   */
+  uint32_t GetBandwidth (void) const;
+  /**
+   * \returns the physical bit rate of this signal.
+   *
+   * If a transmission mode uses 1/2 FEC, and if its
+   * data rate is 3Mbs, the phy rate is 6Mbs
+   */
+  uint32_t GetPhyRate (void) const;
+  /**
+   * \returns the data bit rate of this signal.
+   */
+  uint32_t GetDataRate (void) const;
+  /**
+   * \returns true if this mode uses a bpsk modulation, false
+   *          otherwise.
+   */
+  bool IsModulationBpsk (void) const;
+  /**
+   * \returns true if this mode uses a qam modulation, false
+   *          otherwise.
+   */
+  bool IsModulationQam (void) const;
+  /**
+   * \returns the size of the modulation constellation.
+   */
+  uint8_t GetConstellationSize (void) const;
+
+  /**
+   * \returns the uid associated to this wireless mode.
+   *
+   * Each specific wireless mode should have a different uid.
+   * For example, the 802.11b 1Mbs and the 802.11b 2Mbs modes
+   * should have different uids.
+   */
+  uint32_t GetUid (void) const;
+private:
+  friend class WifiModeFactory;
+  WifiMode ();
+  WifiMode (uint32_t uid);
+  uint32_t m_uid;
+};
+
+class WifiModeFactory
+{
+public:
+  static WifiMode CreateBpsk (std::string uniqueName,
+			      uint32_t bandwidth,
+			      uint32_t dataRate,
+			      uint32_t phyRate);
+  static WifiMode CreateQam (std::string uniqueName,
+			     uint32_t bandwidth,
+			     uint32_t dataRate,
+			     uint32_t phyRate,
+			     uint8_t constellationSize);
+private:
+  friend class WifiMode;  
+  static WifiModeFactory *GetFactory ();
+  WifiModeFactory ();
+
+  struct WifiModeItem {
+    std::string uniqueUid;
+    uint32_t bandwidth;
+    uint32_t dataRate;
+    uint32_t phyRate;
+    enum WifiMode::ModulationType modulation;
+    uint8_t constellationSize;
+  };
+
+  uint32_t AllocateUid (std::string uniqueName);
+  WifiModeItem *Get (uint32_t uid);
+
+  typedef std::vector<struct WifiModeItem> WifiModeItemList;
+  WifiModeItemList m_itemList;
+};
+
+} // namespace ns3
+
+#endif /* WIFI_MODE_H */