WLAN Sensing-by-Proxy Framing for Multi-Band Low-Latency Communication

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Solution Overview

Problem

In current Wi-Fi technology, the lack of simultaneous communication capabilities between devices in multiple frequency bands leads to inefficient spectrum resource utilization and increased latency, particularly in scenarios requiring high-speed communication, due to the limitations of station (STA) devices in communicating with multiple receivers and the waste of signaling resources during sensing by proxy (SBP) requests.

Innovation Solution

Implementing a method and mechanism for sensing by proxy (SBP) that allows a proxy device, such as an access point (AP), to negotiate and establish sensing measurement periods on behalf of STA devices, optimizing the communication process through the use of radio frames that include sensing measurement periods and time windows to improve efficiency and reduce latency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If STA devices communicate with multiple receivers directly, then communication capability is improved, but device complexity increases and signaling resources are wasted

Engineering Contradiction:

Improvecommunication capabilityVSAvoiddevice complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent introduces an intermediary mechanism where the AP acts as a mediator to manage SBP requests. Instead of STAs directly communicating with multiple receivers, the AP receives SBP requests from STAs and coordinates the sensing measurement periods, thereby reducing STA device complexity while maintaining communication capability.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Measurement precision

If sensing measurement periods are established without proxy, then measurement accuracy is improved, but latency increases and spectrum resources are inefficiently utilized

Engineering Contradiction:

Improvemeasurement accuracyVSAvoidlatency

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The patent implements preliminary action by having the AP pre-configure and manage sensing measurement periods before actual sensing operations. The AP establishes time windows and coordinates measurement schedules in advance, reducing latency and improving spectrum resource utilization while maintaining measurement accuracy.

Inventive Principle:

Principle #10Preliminary action

3Speed

If multiple frequency bands are used simultaneously, then transmission rate is improved, but device complexity and coordination requirements increase

Engineering Contradiction:

Improvetransmission rateVSAvoidcoordination complexity

Core Design Contradiction:

SpeedVSDevice complexity

Solution Approach 1:

The patent applies universality by enabling the AP to perform multiple functions: it serves as both the access point for wireless communication and the coordinator for sensing measurement periods across multiple frequency bands. This multi-functional approach allows simultaneous communication across different bands while centralizing coordination complexity in the AP.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS20260025692A1Communication method, electronic device, and storage medium

Publication Date: 2026.01.22 BEIJING XIAOMI MOBILE SOFTWARE CO LTD

AI summary

A communication method, including: determining a first radio frame, where the first radio frame includes at least one sensing measurement period, and the sensing measurement period is configured for an SBP responder to serve as proxy for an SBP initiator to establish sensing measurement of wireless local area network (WLAN); and transmitting the first radio frame.