Reception device, reception method, transmission device, and transmission method for distributing signaling information

Abstract

There is provided a reception device including a signaling template acquisition unit for acquiring a LLS signaling template in order to generate LLS signaling information transmitted in LLS and a SCS signaling template in order to generate SCS signaling information transmitted in SCS, a differential information acquisition unit for acquiring LLS differential information applied to the LLS signaling template to generate the LLS signaling information, and SCS differential information applied to the SCS signaling template to generate the SCS signaling information, and a signaling information generation unit for applying the LLS differential information to the LLS signaling template thereby to generate the LLS signaling information, and applying the SCS differential information to the SCS signaling template thereby to generate the SCS signaling information.

1 . A reception device comprising:
 processing circuitry configured to
 receive a first signaling template and first signaling information transmitted in a first layer of an Internet protocol (IP) transmission system in a digital broadcast signal, and a second signaling template and second signaling information transmitted in a second layer of the IP transmission system in the digital broadcast signal, the second layer being different from the first layer; 
 receive first differential information to be applied to the first signaling template to generate the first signaling information, and second differential information to be applied to the second signaling template to generate the second signaling information in which the first differential information includes version information; and 
 apply the first differential information to the first signaling template to generate the first signaling information, and apply the second differential information to the second signaling template to generate the second signaling information. 
   
     
     
         2 . The reception device according to  claim 1 , wherein the first differential information is data in a text format. 
     
     
         3 . The reception device according to  claim 1 , wherein the first differential information includes emergency alert information. 
     
     
         4 . The reception device according to  claim 1 , wherein
 the first signaling template, the second signaling template, and the first differential information are transmitted in the first layer,   the second differential information is transmitted in the second layer, and   the processing circuitry is configured to
 acquire the first signaling template and the second signaling template transmitted in the first layer, and 
 acquire the first differential information transmitted in the first layer and the second differential information transmitted in the second layer. 
   
     
     
         5 . The reception device according to  claim 2 , wherein
 the first signaling information includes a parameter not depending on a service identified by an IP address, and   the second signaling information includes a parameter depending on the service.  25     
     
     
         6 . The reception device according to  claim 3 , wherein
 the processing circuitry is configured to acquire third differential information applied to the second signaling template to generate a service-based second signaling template, which is transmitted in the second layer, and   the service-based second signaling template is generated by applying the third differential information to the second signaling template.   
     
     
         7 . The reception device according to  claim 4 , wherein the first signaling template and the second signaling template are stored in the first signaling information. 
     
     
         8 . The reception device according to  claim 4 , wherein information on reference destinations of the first signaling template and the second signaling template is stored in the first signaling information. 
     
     
         9 . The reception device according to  claim 1 , further comprising:
 a memory configured to store the first signaling template and the second signaling template therein.   
     
     
         10 . The reception device according to  claim 1 , wherein the processing circuitry is configured to receive the first signaling template and the second signaling template from a server. 
     
     
         11 . The reception device according to  claim 1 , wherein
 the first layer is lower than an IP layer in protocol layers of the IP transmission system, and   the second layer is higher than the IP layer.   
     
     
         12 . The reception device according to  claim 1 , wherein the first differential information includes service configuration description. 
     
     
         13 . The reception device according to  claim 1 , wherein the first differential information includes region rating description. 
     
     
         14 . A reception method for a reception device, the method comprising:
 receiving a first signaling template and first signaling information transmitted in a first layer of an Internet protocol (IP) transmission system in a digital broadcast signal, and a second signaling template and second signaling information transmitted in a second layer of the IP transmission system in the digital broadcast signal, the second layer being different from the first layer,   receiving first differential information to be applied to the first signaling template to generate the first signaling information, and second differential information to be applied to the second signaling template to generate the second signaling information in which the first differential information includes version information; and   applying the first differential information to the first signaling template to generate the first signaling information, and applying the second differential information to the second signaling template to generate the second signaling information.   
     
     
         15 . The reception method according to  claim 14 , wherein the first differential information is data in a text format. 
     
     
         16 . The reception method according to  claim 14 , wherein the first differential information includes emergency alert information. 
     
     
         17 . The reception method according to  claim 14 , wherein the first differential information includes service configuration description. 
     
     
         18 . The reception method according to  claim 14 , wherein the first differential information includes region rating description. 
     
     
         19 . The reception method according to  claim 14 , wherein the first signaling template and the first differential information are associated with a first identifier. 
     
     
         20 . The reception method according to  claim 19 , wherein the second signaling template and the second differential information are associated with a second identifier.