diff --git a/libowlps/owlps.h b/libowlps/owlps.h
index b34511d..9dba6ca 100644
--- a/libowlps/owlps.h
+++ b/libowlps/owlps.h
@@ -67,6 +67,8 @@ typedef struct _owl_timestamp
 typedef struct _owl_captured_request
 {
   uint8_t type ; // Type of the captured request
+  uint16_t nb_packets ; // Number of packets for this request
+  uint16_t packet_id ; // Number of the current packet
   uint8_t ap_mac_addr_bytes[ETHER_ADDR_LEN] ; // MAC of the listener
   uint8_t mobile_mac_addr_bytes[ETHER_ADDR_LEN] ; // MAC of the mobile
   uint8_t mobile_ip_addr_bytes[4] ; // IP of the mobile
@@ -86,6 +88,7 @@ typedef struct _owl_captured_request
 typedef struct _owl_request
 {
   uint8_t type ; // Type of the request
+  uint16_t nb_packets ; // Number of packets sent for this request
   uint8_t mobile_mac_addr_bytes[ETHER_ADDR_LEN] ; // MAC of the mobile
   owl_timestamp request_time ; // Timestamp on the mobile
   uint16_t nb_info ; // Number of owl_request_info
@@ -102,6 +105,7 @@ typedef struct _owl_request
  * signal strength */
 typedef struct _owl_request_info
 {
+  uint16_t packet_id ; // Number of the current packet
   uint8_t ap_mac_addr_bytes[ETHER_ADDR_LEN] ; // MAC of the listener
   uint8_t ss_dbm ; // Signal strength measured by the listener (dBm)
 } owl_request_info ;