Chen Jun
11 Papers
108 Citations
Chen Jun is an academic researcher. The author has contributed to research in topics: Terminal (electronics) & Tree (data structure). The author has an hindex of 7, co-authored 11 publications.
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Papers
Patent
File enciphering method and enciphered file structure in digital media broadcasting system
Xuewen Zeng,Jiawei Gong,Chen Jun,Bei Wu,Erli Niu,Minghui Shan,Muwei Yang +6 more
- 20 Aug 2008
TL;DR: In this article, a method for encrypting the file in the digital medium playing system and the encrypted file structure thereof, wherein, the method comprises the following procedures: (1) dividing the file to a plurality of segments according to the format character of the file; (2) encrypting segment content which needs to be encrypted; (3) including paragraph identifier in each segment; and (4) forming all the key values correlative to the file, to a key list which is used for transmitting to the subscriber.
26
Patent
System and method for implementing video-on-demand with peer-to-peer network technique
Jinlin Wang,Tingyi Li,Hong Ni,Lingfang Wang,Peng Sun,Tiebing Xie,Chen Jun,Taile Zhang +7 more
- 02 Jul 2008
TL;DR: In this paper, the authors proposed a system for realizing video-on-demand by using a peer-to-peer network technology and a method thereof, wherein a central media server and a central directory server of the system are connected with a router of a metropolitan area/wide area network and an edge media server is connected with an edge router which is linked up with an access network, which forms a content delivery network based on P2P.
24
Patent
Method for upgrading software of digital terminal system in DVB system
Liang Pan,Fei Huang,Xuewen Zeng,Chen Jun,Bei Wu +4 more
- 05 Jul 2006
TL;DR: In this paper, a method for upgrading system software of digital terminal in DVB system includes steps: partitioning the system software into multiple software modules, and dividing up storage space of digital terminals into multiple storage zones, each software module occupies one piece of storage zone; when software module in system software is needed to upgrade, the method only transfers upgrading module which is corresponding to the software module to be upgraded, to the digital terminal; in the digital terminals, the upgrading module replaces the corresponding software module.
13
Patent
Hotspare method and system suitable for device for processing and forwarding IP media stream in real time
Haojiang Deng,Yanwei Zheng,Jinlin Wang,Jiawei Gong,Minghui Shan,Chen Jun,Bei Wu,Liangbin Li +7 more
- 05 Sep 2012
TL;DR: In this article, a hotspare method and a system suitable for a device for processing and forwarding an IP media stream in real time is presented, where two devices are simultaneously accessed to a network, wherein one is configured as a main machine, while the other one is configurable as a slave machine.
11
Patent
A L4 encryption method of double group of encrypted authorization management system
Bei Wu,Jinlin Wang,Chen Jun,Hong Ni,Xuewen Zeng,Zhenjiang Ning,Minghui Shan,Erli Niu,Jiawei Gong +8 more
- 26 Mar 2008
TL;DR: In this paper, a four-layer encryption method for double grouping an encrypted authorization management system including the following steps: setting up a user ciphered key tree according to a subset difference/hierarchical subset difference unit when settin up the encrypted management system to distribute pre-distributed key of users.
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