Multistage Control Signal Encoding for 5G Link Adaptation

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Solution Overview

Problem

Conventional feedback systems in wireless networks are ineffective in handling multistage control signals due to limitations in decoding and interference susceptibility, particularly in 5G and next-generation wireless networks, leading to inefficiencies in link adaptation and resource management.

Innovation Solution

A multistage message encoding system that uses different transmission schemes for different parts of control signals, with an encoder map generator and feedback mechanisms to adjust encoding schemes based on decoding success, allowing for improved link adaptation and interference resilience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional feedback systems are used for multistage control signals, then system simplicity is maintained, but link adaptation effectiveness deteriorates due to decoding limitations and interference susceptibility

Engineering Contradiction:

Improvelink adaptation effectivenessVSAvoidencoding system complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The control signal is divided into multiple stages, with each stage processed using different transmission schemes. The first stage carries essential information that can be decoded independently, while subsequent stages provide additional information. This segmentation allows the system to achieve reliable link adaptation even when some stages experience interference or decoding failures.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The encoding scheme dynamically adjusts based on channel conditions and decoding feedback. The system selects different transmission schemes for different stages of the control signal, optimizing performance for current channel conditions. This dynamic adaptation enables the system to maintain reliability while managing complexity through selective application of sophisticated encoding only where needed.

Inventive Principle:

Principle #15Dynamics

2Object-affected harmful factors

If different transmission schemes are used for different parts of control signals, then interference resilience improves, but decoding complexity increases

Engineering Contradiction:

Improveinterference susceptibilityVSAvoiddecoding complexity

Core Design Contradiction:

Object-affected harmful factorsVSDifficulty of detecting and measuring

Solution Approach 1:

The control signal is segmented into multiple stages, each transmitted using schemes optimized for their specific requirements. Critical first-stage information uses robust encoding to resist interference, while less critical subsequent stages may use simpler schemes, reducing overall decoding complexity while maintaining interference resilience for essential information.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different parts of the control signal receive different levels of encoding protection based on their importance and channel conditions. The first stage receives enhanced protection against interference through sophisticated transmission schemes, while later stages use appropriately matched schemes, optimizing the balance between interference resilience and decoding complexity for each local segment.

Inventive Principle:

Principle #3Local quality

3Productivity

If multistage encoding schemes are implemented, then resource management efficiency improves, but overhead increases

Engineering Contradiction:

Improveresource management efficiencyVSAvoidsignaling overhead

Core Design Contradiction:

ProductivityVSQuantity of substance

Solution Approach 1:

Resource management information is segmented across multiple stages, with the most critical resource allocation details transmitted in the first stage using efficient encoding. Less critical information is distributed across subsequent stages, allowing the system to achieve improved resource management efficiency while minimizing overhead by only transmitting essential information in the overhead-critical first stage.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS11621814B2Encoding multistage messages in a 5G or other next generation wireless network

Publication Date: 2023.04.04 AT&T INTELLECTUAL PROPERTY I L P

AI summary

The technologies described herein are generally directed toward link adaption for multistage messages. According to an embodiment, a system can comprise a processor and a memory that can enable operations facilitating performance of operations including determining that a control signal that was transmitted by the first device was not received by a second device, wherein the control signal comprises a first portion employing a first transmission scheme and a second portion employing a second transmission scheme. The operations can further include based on the determining that the control signal was not received by the second device, selecting a third transmission scheme for the second portion of the control signal. Further, the operations can include, based on a mapping of the third transmission scheme to a fourth transmission scheme in a mapping reference, selecting the fourth transmission scheme for the first portion of the control signal, and transmitting the control signal.