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Method for searching session number of digital TV set-card separation protocol session layer

A separation protocol, digital TV technology, applied in color TV parts, TV system parts, TV and other directions, can solve problems such as slow speed

Inactive Publication Date: 2008-03-05
LG ELECTRONICS (CHINA) R&D CENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When confirming a session number, it is necessary to traverse each item in the list, which is slow

Method used

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  • Method for searching session number of digital TV set-card separation protocol session layer
  • Method for searching session number of digital TV set-card separation protocol session layer
  • Method for searching session number of digital TV set-card separation protocol session layer

Examples

Experimental program
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Effect test

Embodiment Construction

[0035] Embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0036] The management method of the present invention implements the management of the session number list by using a classification method. Fig. 3 is a sequence table of the improved session number of the present invention. As shown in the figure, the session number list includes two parts:

[0037] The first part: classification number. Classify according to the application type corresponding to each session, and assign the same classification number to the sessions belonging to the same application type. Arranged in order, such as the order of the size of the number.

[0038] The second part: class session number. Class session numbers are assigned to a group of sessions with a common class number, and in each class class number, the class session numbers can be sorted in order of size.

[0039] The classification number and the class-session number cons...

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PUM

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Abstract

The method includes steps for setting conversation number (CN) list in digital television host, in which card and machine are separated, and mark each conversation with a unique CN. The methods also include following steps: (A) in the list, classify each conversation according to corresponding applied type, collocate conversations of same applied type with same classification number, collocate conversations of same classification number with different type CN, gather one classification number and one different type CN into one CN for each conversation; (B) when the television host receives the conversation request sent from CAM card, affirm corresponding classification number in the list according to the applied type of the conversation in conversation request, then affirm corresponding different type CN in the classification number list; (C) build up conversation communication between CAM card and host by affirmed CN.

Description

technical field [0001] The invention relates to a digital TV system, in particular to a fast retrieval method for a session number of a session layer of a digital TV card separation protocol. Background technique [0002] The management of sessions by the host is not specified in the digital TV card separation specification. Moreover, each application specified in the TV card separation specification can correspond to multiple sessions (each session is identified by a unique session number, and the value of the session number is assigned by the host), and with the CAM (machine card Separation conditional access) card applications increase, the number of sessions will increase accordingly, which requires an effective management of the session number list. [0003] Fig. 1 is a schematic flow chart of the known technology. As shown in the figure, the following steps are included: [0004] Step S101, inserting the CAM card into the digital TV host; [0005] Step S102, start ...

Claims

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Application Information

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IPC IPC(8): H04N5/00H04L29/06H04N21/418
Inventor 徐红侠
Owner LG ELECTRONICS (CHINA) R&D CENT CO LTD
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