Patent ID: 8494438
Filing Date: 2013-07-23
Classification: H04H

Abstract:
1. A method for requesting a service guide or a service guide fragment in a mobile broadcast system supporting a mobile broadcast service, the method comprising: determining a purchase item among subscribed services using a received service guide; sending, by a Broadcast Service Provisioning Client Function (BSP-C), to a Broadcast Service Provisioning Management Function (BSP-M) a request message for requesting price information related to the purchase item if there is no price information for the determined purchase item; receiving, by the BSP-C, a response message in response to the request message from the BSP-M, sending, by the BSP-M, the request message to a Service Guide Subscription Source (SGSS) in a same Broadcast Subscription Management (BSM) if the BSM does not have information identical to the purchase item; and transmitting, by the SGSS, a corresponding response message to the BSP-M, wherein the request message includes a UserID for user identity, a DeviceID for unique device identification, a Broadcast Service Distribution/Adaptation (BSD/A) ID for a coordinated ID of the BSD/A, a PurchaseItemID for purchase item identification, and a RequestID for Price Information request message identification; wherein the response message includes a RequestID for the request message identification, a Purchase ITEM ID for requested Purchase Item identification, Price information of requested Purchase Item, and Service guide fragments containing information for the requested Purchase Items; and wherein the SGSS and a BSA (BCAST Service Application) have final information on the service guide, and generate the final information in a same manner.