公开(公告)号：US08045556B2

公开(公告)日：2011-10-25

申请号：US12021597

申请日：2008-01-29

Applicant: Seok-Man Yoo

Inventor： Seok-Man Yoo

IPC: H04L12/28

CPC classification number: H04N7/163 ,  H04H60/14 ,  H04H2201/70 ,  H04L29/12292 ,  H04L61/2069 ,  H04L63/10 ,  H04L65/4076 ,  H04L65/608 ,  H04L2463/101 ,  H04N21/26606 ,  H04N21/41407 ,  H04N21/4623 ,  H04N21/6112 ,  H04N21/6405 ,  H04N21/64322

Abstract: Apparatus and method for sending a multicast packet in a mobile digital broadcast system are provided. The mobile digital broadcast system includes a broadcaster for indicating the designated recipient in an Internet Protocol (IP) header of a multicast packet and including a temporary IP address of the recipient in the IP header when multicasting data of a designated recipient; a receiver for providing the received multicast packet to an application program for outputting a digital broadcasting when the receiver joins a group of the multicast packet and the recipient is designated to the receiver upon receiving the multicast packet; and an IP allocating server for allocating a temporary IP address when the receiver requests to allocate the temporary IP address, storing the allocated temporary IP address and ID information of the receiver, and sending the allocated temporary IP address and the ID information of the receiver to the broadcaster.

Abstract translation: 提供了一种用于在移动数字广播系统中发送组播分组的装置和方法。 移动数字广播系统包括广播器，用于在多播分组的因特网协议（IP）报头中指示指定的接收者，并且在组播指定的接收者的数据时包括IP报头中的接收方的临时IP地址; 接收机，用于当接收器加入组播分组并且接收者在接收到多播分组时被指定给接收机时，将接收到的组播分组提供给用于输出数字广播的应用程序; 以及IP分配服务器，用于当接收方请求分配临时IP地址时分配临时IP地址，存储分配的临时IP地址和接收者的ID信息，并将分配的临时IP地址和接收者的ID信息发送到 广播机构