Low-Resolution ADCs for Distributed Sensing UE Selection

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Solution Overview

Problem

Existing wireless communication systems face challenges in efficiently utilizing low-resolution analog-to-digital converters (ADCs) for distributed sensing procedures, which affect the accuracy and efficiency of feedback mechanisms in network nodes and user equipment.

Innovation Solution

Implementing a method where network nodes and user equipment exchange feedback information and configuration parameters related to distributed sensing procedures, including low-resolution ADC settings, to optimize the selection and performance of UEs involved in these procedures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If low-resolution ADCs are used in distributed sensing procedures, then device complexity and power consumption are reduced, but measurement precision and sensing accuracy deteriorate

Engineering Contradiction:

ImproveADC complexityVSAvoidsensing accuracy

Core Design Contradiction:

Device complexityVSMeasurement precision

Solution Approach 1:

The patent combines sensing procedures across multiple UEs at the network node, merging measurements from multiple low-resolution ADCs to achieve high-precision sensing results that would be impossible with individual low-resolution converters

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent implements feedback mechanisms where UEs report sensing capabilities and measurements to the network node, which then optimizes the selection and configuration of UEs for distributed sensing procedures based on received feedback information

Inventive Principle:

Principle #23Feedback

2Reliability

If feedback information is exchanged between network nodes and UEs, then sensing performance is improved, but communication overhead and processing time increase

Engineering Contradiction:

Improvesensing performanceVSAvoidfeedback processing time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The patent performs preliminary actions by having UEs report their sensing capabilities in advance before actual sensing procedures begin, allowing the network node to pre-select appropriate UEs and configure optimal parameters, thereby reducing real-time processing delays

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent implements dynamic UE selection and configuration where the network node adapts the set of participating UEs and their specific configurations based on real-time feedback information about sensing conditions, capabilities, and performance

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS12414087B2Distributed sensing with low-resolution analog-to-digital converters

Publication Date: 2025.09.09 QUALCOMM INC

AI summary

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network node may receive, from one or more user equipments (UEs), feedback information associated with a distributed sensing procedure. The network node may select, based at least in part on the feedback information, a set of UEs to be included in the distributed sensing procedure. The network node may transmit, to the set of UEs, an indication of configuration parameters associated with the distributed sensing procedure. Numerous other aspects are described.