Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems

A channel response, communication channel technology, applied in channel estimation, error detection by signal space coding, error correction/detection using block codes, etc. Improve the decoding effect

Inactive Publication Date: 2015-12-09
LN2 DB LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, algebraic RS decoding with hard bit decisions in the absence of a Viterbi decoder results in suboptimal performance, and this approach is not suitable for potential iterative decoding improvements

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  • Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems
  • Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems
  • Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems

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Embodiment Construction

[0088] Certain embodiments relate to systems and methods for advanced iteration of multiple concatenated codes and advanced iterative channel state information estimation for a communication system. While many of the embodiments in this section are discussed in the context of telecommunications systems and some of the embodiments focus on HD radio receivers, it should be appreciated that aspects of the invention are also beneficial and can be used in many other applications, standards and systems, including many wireless or wireline broadcast and transmission systems, consumer electronics, storage media, computer applications, etc., as discussed in more detail in various portions of the following sections.

[0089] This chapter is organized into four main subsections, each subsection deals with different aspects related to improvements in decoding and channel estimation in general and all applicable to HD radio communication systems and in particular to the use of existing The...

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Abstract

Systems and methods for decoding block and concatenated codes are provided. These include advanced iterative decoding techniques based on belief propagation algorithms, with particular advantages when applied to codes having higher density parity check matrices. Improvements are also provided for performing channel state information estimation including the use of optimum filter lengths based on channel selectivity and adaptive decision-directed channel estimation. These improvements enhance the performance of various communication systems and consumer electronics. Particular improvements are also provided for decoding HD Radio signals, including enhanced decoding of reference subcarriers based on soft-diversity combining, joint enhanced channel state information estimation, as well as iterative soft-input soft-output and list decoding of convolutional codes and Reed-Solomon codes. These and other improvements enhance the decoding of different logical channels in HD Radio systems.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Patent Application No. 13 / 693,023, filed December 3, 2012 by the same inventors, entitled "Systems and Methods for Advanced Iterative Decoding and Channel Estimation of Concatenated Coding Systems" rights, said patent application is incorporated herein by reference in its entirety. technical field [0003] The present invention relates to systems and methods for advanced iterative decoding of multiple concatenated codes and advanced iterative channel state information estimation for communication systems and especially for receivers of HD radio communication and other systems. These systems and methods improve the performance of these receivers, thereby preferably extending the range / coverage area of ​​digital radios without modifying existing HD radio infrastructure, and also minimizing power consumption. While certain portions of the description may focus on HD radio technology...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/02
CPCH04L27/261G06F11/1625H03M13/09H03M13/1108H03M13/1111H03M13/112H03M13/1131H03M13/1191H03M13/1515H03M13/255H03M13/27H03M13/2906H03M13/3707H03M13/373H03M13/3784H03M13/616H03M13/6337H03M13/658H04L1/004H04L1/005H04L1/0057H04L1/0059H04L1/0065H04L1/0071H04L25/0224H03M13/2933H03M13/3938H03M13/451H03M13/453H03M13/612H03M13/6325H03M13/6362H04L25/022H04L25/0236H04L25/0222H03M13/114H03M13/2948H03M13/23H03M13/6541H04L27/2649H03M13/2792H04B17/309H03M13/6552H04L1/0045H03M13/1154H03M13/3746H03M13/45H05K999/99
Inventor 布拉尼米尔·R·沃伊契奇哈肯·道根
Owner LN2 DB LLC
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