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Method and system for code combining at an outer decoder on a communication system

A decoder and encoder technology, applied in the field of broadcast communication, which can solve the problem of inability to create an information bit stream, etc.

Inactive Publication Date: 2010-04-14
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Even with outer and inner codes, a subscriber station may not be able to create this information bitstream from a decoded received packet from a particular base station

Method used

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  • Method and system for code combining at an outer decoder on a communication system
  • Method and system for code combining at an outer decoder on a communication system
  • Method and system for code combining at an outer decoder on a communication system

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Embodiment Construction

[0024] definition

[0025] The word "exemplary" is used herein to mean "serving as an example, instance, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

[0026] The term "point-to-point communication" is used herein to denote communication between two subscriber stations over a dedicated communication channel.

[0027] The term "broadcast communication" or "point-to-multipoint communication" is used herein to denote a communication in which multiple subscriber stations receive communications from a single source.

[0028] The term "packet" is used herein to mean a group of bits including data (payload) and control elements arranged in a specific format. Control elements include, for example, preambles, quality metrics, and other control elements known to those skilled in the art. Quality metrics include, for example, cyclic redundancy check (CRC), parity bits, and other...

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PUM

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Abstract

The present invention a method and a system for code combining at an outer decoder on a communication system. An outer encoder (612) and an inner encoder (622, 632) encode subsets of information to be transmitted, to improve protection by adding redundancy. The redundancy permits decoding of the information from less than a complete encoded block of information. The use of a combiner 644 at an outer decoder (648) enables better outer decoding of symbols.

Description

[0001] This application is a divisional application of the invention patent application with the application number 200380102066.1, the international filing date is October 24, 2003, and the invention title is "Method and System for Code Combination at External Decoder of Communication System". technical field [0002] The present invention relates to broadcast communication, or point-to-multipoint communication, in wired or wireless communication systems. More specifically, the present invention relates to a system and method for code combination at an external decoder in such a broadcast communication system. Background technique [0003] Communication systems have been developed to allow the transmission of information signals from an originating station to physically distinct destination stations. In transmitting an information signal from an originating station over a communication channel, the information signal is first converted into a form suitable for efficient tra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H03M13/29H04H20/00
CPCH03M13/2906H04L1/0065H04L1/0045H03M13/1515H03M13/29H03M13/2903H04L1/00
Inventor 魏永斌陈道E·G·小蒂德曼
Owner QUALCOMM INC
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