diff --git a/owlps-positioning/src/request.cc b/owlps-positioning/src/request.cc
index 4ef2dc4..ef3afdc 100644
--- a/owlps-positioning/src/request.cc
+++ b/owlps-positioning/src/request.cc
@@ -22,6 +22,25 @@ Request::~Request()
 /* *** Write accessors *** */
 
 
+inline void Request::clear_real_position()
+{
+  if (real_position)
+    {
+      delete real_position ;
+      real_position = NULL ;
+    }
+}
+
+
+void Request::set_real_position(const Point3D &_real_position)
+{
+  if (real_position)
+    *real_position = _real_position ;
+  else
+    real_position = new Point3D(_real_position) ;
+}
+
+
 /// Reinitialises all attributes
 /**
  * - #mobile is NULLified, but the value it pointed to is not deleted.
@@ -34,6 +53,7 @@ void Request::clear()
   mobile = NULL ;
   time_sent.clear() ;
   measurements.clear() ;
+  clear_real_position() ;
 }
 
 
@@ -51,6 +71,10 @@ const Request& Request::operator=(const Request &source)
   time_sent = source.time_sent ;
   measurements = source.measurements ;
 
+  clear_real_position() ;
+  if (source.real_position)
+    real_position = new Point3D(*source.real_position) ;
+
   return *this ;
 }
 
@@ -60,7 +84,13 @@ bool Request::operator==(const Request &source) const
   if (this == &source)
     return true ;
 
+  bool real_position_equal =
+    real_position &&
+    source.real_position &&
+    *real_position == *source.real_position ;
+
   return
+    real_position_equal &&
     type == source.type &&
     mobile == source.mobile &&
     time_sent == source.time_sent &&
@@ -72,8 +102,10 @@ bool Request::operator==(const Request &source) const
 ostream& operator<<(ostream &os, const Request &r)
 {
   // Timestamp
-  os
-      << "At " << r.time_sent << "; " ;
+  os << "At " << r.time_sent << "; " ;
+
+  if (r.real_position)
+    os << " Real coordinates : " << *r.real_position << "; " ;
 
   // MAC address
   os
@@ -88,9 +120,7 @@ ostream& operator<<(ostream &os, const Request &r)
   else
     for (unordered_map<string, Measurement>::const_iterator i
          = r.measurements.begin() ; i != r.measurements.end() ; ++i)
-      {
-        os << '\n' << i->first << ": " << i->second ;
-      }
+      os << '\n' << i->first << ": " << i->second ;
 
   return os ;
 }
@@ -107,8 +137,10 @@ size_t hash_value(const Request &source)
 
   boost::hash_combine(seed, source.type) ;
   boost::hash_combine(seed, source.time_sent) ;
-  if (source.mobile != NULL)
+  if (source.mobile)
     boost::hash_combine(seed, source.mobile->get_mac_addr()) ;
+  if (source.real_position)
+    boost::hash_combine(seed, source.real_position) ;
 
   return seed ;
 }
diff --git a/owlps-positioning/src/request.hh b/owlps-positioning/src/request.hh
index 282af2f..f057162 100644
--- a/owlps-positioning/src/request.hh
+++ b/owlps-positioning/src/request.hh
@@ -26,6 +26,11 @@ protected:
   /** Note that this is not a pointer list, values are actually stored.
       The \em string parameter is the MAC address of the AP. */
   std::tr1::unordered_map<std::string, Measurement> measurements ;
+  /// \brief Real coordinates of the request (normally unavailable for a
+  /// standard positioning request)
+  Point3D *real_position ;
+
+  void clear_real_position(void) ;
 
 public:
   Request(const Mobile *_mobile = NULL,
@@ -35,12 +40,12 @@ public:
             std::tr1::unordered_map<std::string, Measurement>()):
     type(OWL_REQUEST_UNDEFINED),
     mobile(const_cast<Mobile*>(_mobile)), time_sent(_time_sent),
-    measurements(_measurements) {}
+    measurements(_measurements), real_position(NULL) {}
 
   Request(const std::tr1::unordered_map<std::string, Measurement>
           &_measurements):
     type(OWL_REQUEST_UNDEFINED),
-    mobile(NULL), measurements(_measurements) {}
+    mobile(NULL), measurements(_measurements), real_position(NULL) {}
 
   Request(const Timestamp &_time_sent,
           const std::tr1::unordered_map<std::string, Measurement>
@@ -48,12 +53,12 @@ public:
             std::tr1::unordered_map<std::string, Measurement>()):
     type(OWL_REQUEST_UNDEFINED),
     mobile(NULL), time_sent(_time_sent),
-    measurements(_measurements) {}
+    measurements(_measurements), real_position(NULL) {}
 
   Request(const Request &source):
     type(source.type),
     mobile(source.mobile), time_sent(source.time_sent),
-    measurements(source.measurements) {}
+    measurements(source.measurements), real_position(NULL) {}
 
   virtual ~Request(void) ;
 
@@ -64,6 +69,7 @@ public:
   const Timestamp& get_time_sent(void) const ;
   const std::tr1::unordered_map<std::string, Measurement>&
   get_measurements(void) const ;
+  const Point3D* get_real_position(void) const ;
   //@}
 
   /** @name Write accessors */
@@ -73,6 +79,7 @@ public:
   void set_time_sent(const Timestamp &_time_sent) ;
   void set_measurements(const std::tr1::unordered_map
                         <std::string, Measurement> &_measurements) ;
+  void set_real_position(const Point3D &_real_position) ;
   void clear(void) ;
   //@}
 
@@ -122,6 +129,12 @@ Request::get_measurements(void) const
 }
 
 
+inline const Point3D* Request::get_real_position(void) const
+{
+  return real_position ;
+}
+
+
 
 /* *** Write accessors *** */