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公开(公告)号：US09614936B2
公开(公告)日：2017-04-04
申请号：US14751337
申请日：2015-06-26
Inventor： Chang-Kyu Lee , Sung-Hei Kim , Shin-Gak Kang , Ju-Young Park
IPC: H04L29/06 , H04N21/643
CPC classification number: H04L69/04 , H04L65/607 , H04L65/80 , H04N21/643
Abstract: Disclosed herein are a method and apparatus for processing MMTP packets. When an MMTP packet is transmitted, the packet processing apparatus calculates a reference value from partial field values of a reference MMTP packet header, and inserts the calculated reference value into the compressed header. By the reference value, MMTP packets may be correctly distinguished and may be correctly referred to when there are two reference MMTP packets in which the lower 5 bits of packet sequence numbers are identical to each other, or even when the number of reference MMTP packets is a multiple of 256.
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公开(公告)号：US10819823B2
公开(公告)日：2020-10-27
申请号：US15667792
申请日：2017-08-03
Inventor： Muhammad Bilal , Shin-Gak Kang , Wook Hyun , Sung-Hei Kim , Ju-Young Park , Mi-Young Huh
IPC: H04L29/08 , G06F12/122 , G06F12/126
Abstract: Disclosed herein are an in-network caching apparatus and method. The in-network caching method using the in-network caching apparatus includes receiving content from a second node in response to a request from a first node; checking a Conditional Leave Copy Everywhere (CLCE) replication condition depending on a number of requests for the content; checking a priority condition based on a result value of a priority function for the content; checking a partition depending on the number of requests for the content; performing a cache replacement operation for the content depending on a result of checking the partition for the content; and transmitting the content to the first node.
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3.发明申请公开(公告)号：US20160006784A1
公开(公告)日：2016-01-07
申请号：US14751337
申请日：2015-06-26
Inventor： Chang-Kyu LEE , Sung-Hei Kim , Shin-Gak Kang , Ju-Young Park
IPC: H04L29/06
CPC classification number: H04L69/04 , H04L65/607 , H04L65/80 , H04N21/643
Abstract: Disclosed herein are a method and apparatus for processing MMTP packets. When an MMTP packet is transmitted, the packet processing apparatus calculates a reference value from partial field values of a reference MMTP packet header, and inserts the calculated reference value into the compressed header. By the reference value, MMTP packets may be correctly distinguished and may be correctly referred to when there are two reference MMTP packets in which the lower 5 bits of packet sequence numbers are identical to each other, or even when the number of reference MMTP packets is a multiple of 256.
Abstract translation: 这里公开了一种用于处理MMTP分组的方法和装置。 当发送MMTP分组时，分组处理装置从参考MMTP分组报头的部分字段值计算参考值，并将计算出的参考值插入到压缩报头中。 通过参考值，可以正确地区分MMTP分组，并且当存在两个参考MMTP分组时，可以正确地参考MMTP分组，其中分组序列号的低5位彼此相同，或者甚至当参考MMTP分组的数量为 256的倍数。
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公开(公告)号：US09728052B2
公开(公告)日：2017-08-08
申请号：US14257350
申请日：2014-04-21
Inventor： Mi-Young Huh , Wook Hyun , Sung-Hei Kim , Shin-Gak Kang
CPC classification number: G08B7/066
Abstract: A digital signage system and a method of providing information using the digital signage system are disclosed. The digital signage terminal includes an emergency detection unit, an emergency detection message generation unit, a communication unit, and an emergency alert message processing unit. The emergency detection unit collects the surrounding emergency-related information of the digital signage terminal. The emergency detection message generation unit generates an emergency detection message including the collected emergency-related information. The communication unit transmits the generated emergency detection message to a digital signage server, and receives an emergency alert message including an emergency alert corresponding to an emergency situation from the digital signage server. The emergency alert message processing unit parses the emergency alert message, and provides the emergency alert included in the emergency alert message to a user.
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