18517169. SOFT TRELLIS DE-SHAPER FOR CONSTELLATION SHAPING simplified abstract (MEDIATEK Inc.)

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SOFT TRELLIS DE-SHAPER FOR CONSTELLATION SHAPING

Organization Name

MEDIATEK Inc.

Inventor(s)

Chun-Hsuan Kuo of San Jose CA (US)

SOFT TRELLIS DE-SHAPER FOR CONSTELLATION SHAPING - A simplified explanation of the abstract

This abstract first appeared for US patent application 18517169 titled 'SOFT TRELLIS DE-SHAPER FOR CONSTELLATION SHAPING

Simplified Explanation

The patent application abstract describes a method, computer-readable medium, and apparatus for processing signals carrying constellation symbols, using a soft symbol demapper and soft syndrome former to recover bits represented by the constellation symbol.

  • Explanation:

- Receiver receives signal carrying constellation symbol from transmitter - Signal processed by soft symbol demapper to generate first and second soft outputs of bits - Second soft output processed by soft syndrome former to generate third soft output of bits - Receiver recovers bits represented by constellation symbol based on first and third soft outputs

    • Potential Applications:

- Satellite communication systems - Wireless communication networks

    • Problems Solved:

- Efficient recovery of bits from complex signal constellations - Improved error correction in communication systems

    • Benefits:

- Enhanced data transmission reliability - Increased signal processing efficiency

    • Potential Commercial Applications:

- Telecommunication equipment manufacturers - Satellite communication service providers

    • Possible Prior Art:

- Soft symbol demapping techniques in digital communication systems - Soft syndrome forming methods in error correction coding

      1. Unanswered Questions:
        1. How does the soft symbol demapper improve bit recovery from complex signal constellations?

The soft symbol demapper uses advanced algorithms to process received signals and generate soft outputs of bits, allowing for more accurate recovery of information from the constellation symbols.

        1. What are the specific applications of the shaping code applied at the transmitter in the soft syndrome former?

The shaping code applied at the transmitter helps in shaping the signal constellation to optimize data transmission efficiency and error correction capabilities. The soft syndrome former uses this code to generate a third set of bits for improved bit recovery at the receiver end.


Original Abstract Submitted

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a receiver. The receiver receives, from a transmitter, a signal carrying a constellation symbol. The receiver processes the received signal by a soft symbol demapper to generate a first soft output of a first set of bits and a second soft output of a second set of bits. The receiver processes the second soft output by a soft syndrome former to generate a third soft output of a third set of bits. The soft syndrome former corresponds to a shaping code applied at the transmitter. The receiver recovers bits represented by the constellation symbol based on the first soft output and the third soft output.

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