Apparatus and method for providing mobile iptv service in mobile communication system and broadcasting system

Abstract

In a mobile communication system and a broadcasting system, an Advanced Base Station (ABS) periodically broadcasts a buffering data packet of broadcast buffering content in providing a Mobile Internet Protocol TeleVision (Mobile IPTV) service. The broadcast buffering content represents content in which a buffering data packet corresponding to a predetermined buffering capacity is periodically broadcasted, and the buffering data packet represents a data packet that is transmitted to be buffered in advance before the broadcast buffering content is actually provided to Advanced Mobile Stations (AMSs).

What is claimed is: 
     
         1 . A method for providing a Mobile Internet Protocol TeleVision (Mobile IPTV) service by an Advanced Base Station (ABS) in a mobile communication system and a broadcasting system, comprising:
 periodically broadcasting a buffering data packet of broadcast buffering content;   wherein the broadcast buffering content represents content in which a buffering data packet corresponding to a predetermined buffering capacity is periodically broadcasted, and the buffering data packet represents a data packet that is transmitted to be buffered in advance before the broadcast buffering content is actually provided to Advanced Mobile Stations (AMSs).   
     
     
         2 . The method of  claim 1 , further comprising:
 upon receiving a content channel request from an arbitrary AMS, determining whether a content channel corresponding to the content channel request is a content channel included in the broadcast buffering content;   if the content channel corresponding to the content channel request is a content channel included in the broadcast buffering content, transmitting, to the arbitrary AMS, remaining data packets except for the buffering data packet in broadcast buffering content being played in the content channel corresponding to the content channel request; and   if the content channel corresponding to the content channel request is not a content channel included in the broadcast buffering content, transmitting, to the arbitrary AMS, data packets corresponding to the entire content being played in the content channel corresponding to the content channel request.   
     
     
         3 . The method of  claim 2 , wherein the transmitting remaining data packets comprises transmitting the remaining data packets to the AMS in a unicast or multicast manner; and
 wherein the transmitting data packets corresponding to the entire content comprises transmitting the data packets corresponding to the entire content to the AMS in a unicast or multicast manner.   
     
     
         4 . The method of  claim 1 , wherein the periodically broadcasting a buffering data packet comprises:
 transmitting a control message that includes a resource region in which a content MAP message representing information about a transmission schedule of the buffering data packet is transmitted, and information needed for decoding; and   transmitting the buffering data packet in resource regions corresponding to the transmission schedule of the buffering data packet.   
     
     
         5 . A method for providing a Mobile Internet Protocol TeleVision (Mobile IPTV) service by an Advanced Mobile Station (AMS) in a mobile communication system, comprising:
 receiving a buffering data packet of broadcast buffering content, which is periodically broadcasted;   wherein the broadcast buffering content represents content in which a buffering data packet corresponding to a predetermined buffering capacity is periodically broadcasted, and the buffering data packet represents a data packet that is transmitted to be buffered in advance before the broadcast buffering content is actually provided to AMSs.   
     
     
         6 . The method of  claim 5 , further comprising:
 upon detecting a content channel request, determining whether a content channel corresponding to the content channel request is a channel included in the broadcast buffering content;   if the content channel corresponding to the content channel request is a channel included in the broadcast buffering content, playing a buffering data packet of broadcast buffering content being played in the content channel corresponding to the content channel request, and transmitting a content channel request for requesting transmission of remaining data packets, to an Advanced Base Station (ABS); and   if the content channel corresponding to the content channel request is not a channel included in the broadcast buffering content, transmitting a content channel request for the content channel corresponding to the content channel request, to the ABS.   
     
     
         7 . The method of  claim 5 , wherein the receiving a buffering data packet comprises:
 receiving a control message that includes a resource region in which a content MAP message representing information about a transmission schedule of the buffering data packet is transmitted, and information needed for decoding; and   receiving the buffering data packet in resource regions corresponding to the transmission schedule of the buffering data packet.   
     
     
         8 . The method of  claim 5 , wherein the receiving a buffering data packet comprises:
 detecting broadcast buffering content information including information about at least one of a type, a transmission schedule, a transmission resource, and a transmission method for broadcast buffering content being broadcasted by an ABS;   determining whether broadcast buffering content whose buffering data packet has not been buffered is present in the broadcast buffering content being broadcasted by the ABS; and   if the broadcast buffering content whose buffering data packet has not been buffered is present, receiving buffering data packets of the broadcast buffering content whose buffering data packet has not been buffered.   
     
     
         9 . An Advanced Base Station (ABS) for providing a Mobile Internet Protocol TeleVision (Mobile IPTV) service in a mobile communication system, comprising:
 a transmitter for periodically broadcasting a buffering data packet of broadcast buffering content;   wherein the broadcast buffering content represents content in which a buffering data packet corresponding to a predetermined buffering capacity is periodically broadcasted, and the buffering data packet represents a data packet that is transmitted to be buffered in advance before the broadcast buffering content is actually provided to Advanced Mobile Stations (AMSs).   
     
     
         10 . The ABS of  claim 9 , further comprising:
 a receiver for receiving a content channel request from an arbitrary AMS; and   a controller for,
 determining whether a content channel corresponding to the content channel request is a content channel included in the broadcast buffering content; 
 if the content channel corresponding to the content channel request is a content channel included in the broadcast buffering content, controlling the transmitter to transmit, to the arbitrary AMS, remaining data packets except for the buffering data packet in broadcast buffering content being played in the content channel corresponding to the content channel request; and 
 if the content channel corresponding to the content channel request is not a content channel included in the broadcast buffering content, controlling the transmitter to transmit, to the arbitrary AMS, data packets corresponding to the entire content being played in the content channel corresponding to the content channel request. 
   
     
     
         11 . The ABS of  claim 9 , wherein the transmitter transmits the remaining data packets to the AMS in a unicast or multicast manner; and the transmitter transmits the data packets corresponding to the entire content to the AMS in a unicast or multicast manner. 
     
     
         12 . The ABS of  claim 9 , wherein the transmitter transmits a control message that includes a resource region in which a content MAP message representing information about a transmission schedule of the buffering data packet is transmitted, and information needed for decoding, and the transmitter transmits the buffering data packet in resource regions corresponding to the transmission schedule of the buffering data packet. 
     
     
         13 . An Advanced Mobile Station (AMS) for providing a Mobile Internet Protocol TeleVision (Mobile IPTV) service in a mobile communication system, comprising:
 a receiver for receiving a buffering data packet of broadcast buffering content, which is periodically broadcasted;   wherein the broadcast buffering content represents content in which a buffering data packet corresponding to a predetermined buffering capacity is periodically broadcasted, and the buffering data packet represents a data packet that is transmitted to be buffered in advance before the broadcast buffering content is actually provided to AMSs.   
     
     
         14 . The AMS method of  claim 13 , further comprising:
 a controller for,
 upon detecting a content channel request, determining whether a content channel corresponding to the content channel request is a channel included in the broadcast buffering content; 
 if the content channel corresponding to the content channel request is a channel included in the broadcast buffering content, playing a buffering data packet of broadcast buffering content being played in the content channel corresponding to the content channel request, and controlling a transmitter to transmit a content channel request for requesting transmission of remaining data packets, to an Advanced Base Station (ABS); and 
 if the content channel corresponding to the content channel request is not a channel included in the broadcast buffering content, controlling the transmitter to transmit a content channel request for the content channel corresponding to the content channel request, to the ABS. 
   
     
     
         15 . The AMS of  claim 13 , wherein the receiver receives a control message that includes a resource region in which a content MAP message representing information about a transmission schedule of the buffering data packet is transmitted, and information needed for decoding, and the receiver receives the buffering data packet in resource regions corresponding to the transmission schedule of the buffering data packet. 
     
     
         16 . The AMS of  claim 13 , wherein the controller includes:
 detecting broadcast buffering content information representing broadcast buffering content being broadcasted by an ABS;   determining whether broadcast buffering content whose buffering data packet has not been buffered is present in the broadcast buffering content being broadcasted by the ABS; and   if the broadcast buffering content whose buffering data packet has not been buffered is present, controlling the receiver to receive buffering data packets of the broadcast buffering content whose buffering data packet has not been buffered.   
     
     
         17 . A method for providing a Mobile Internet Protocol TeleVision (Mobile IPTV) service by a broadcast base station in a mobile communication system and a broadcasting system, comprising:
 periodically broadcasting a buffering data packet of broadcast buffering content;   wherein the broadcast buffering content represents content in which a buffering data packet corresponding to a predetermined buffering capacity is periodically broadcasted, and the buffering data packet represents a data packet that is transmitted to be buffered in advance before the broadcast buffering content is actually provided to Advanced Mobile Stations (AMSs).   
     
     
         18 . The method of  claim 17 , wherein the periodically broadcasting a buffering data packet comprises:
 transmitting a content MAP message representing information about a transmission schedule of the buffering data packet; and   transmitting the buffering data packet depending on the transmission schedule of the buffing data packet.   
     
     
         19 . A broadcast base station for providing a Mobile Internet Protocol TeleVision (Mobile IPTV) service in a mobile communication system and a broadcasting system, comprising:
 a transmitter for periodically broadcasting a buffering data packet of broadcast buffering content;   wherein the broadcast buffering content represents content in which a buffering data packet corresponding to a predetermined buffering capacity is periodically broadcasted, and the buffering data packet represents a data packet that is transmitted to be buffered in advance before the broadcast buffering content is actually provided to Advanced Mobile Stations (AMSs).   
     
     
         20 . The broadcast base station of  claim 19 , wherein the transmitter transmits a content MAP message representing information about a transmission schedule of the buffering data packet and information needed for decoding, and the transmitter transmits the buffering data packet depending on the transmission schedule of the buffing data packet.