Wireless Receiver for Concurrent Multi-Protocol Signal Detection

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Solution Overview

Problem

Wireless communications devices struggle to detect concurrent signal transmissions from different protocols operating in the same or overlapping frequency bands without experiencing interference or blackouts, as they are typically designed to operate with a single protocol and cannot simultaneously detect signals from other protocols.

Innovation Solution

A wireless receiver method that receives signals from multiple protocols by generating time-shifted data packets and determining correlation metrics to identify the protocol, allowing for concurrent detection of IEEE 802.11ac and IEEE 802.11p signals without decoding, and preventing transmitter interference.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a wireless device switches operation between multiple protocols to detect signal transmission, then the device can detect presence of signals in different protocols, but the device experiences a blackout period during switching when it cannot detect signals of any protocol

Engineering Contradiction:

Improveprotocol detection capabilityVSAvoidsignal detection continuity

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent segments the signal detection process by creating separate detection paths for different protocols (first protocol path and second protocol path). Each path is independently configured to detect signals of its respective protocol, allowing simultaneous operation without switching blackouts. The receiver divides the detection function into multiple parallel segments that can operate concurrently.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The wireless device is designed with multi-functional capability to detect and process multiple protocol types simultaneously. The receiver incorporates universal detection mechanisms that can handle both first protocol signals and second protocol signals through different processing paths, enabling the device to perform multiple detection functions at once without requiring protocol switching.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Reliability

If a wireless device is designed to operate according to one protocol, then the device can communicate reliably in that protocol, but the device cannot detect wireless signals of other protocols

Engineering Contradiction:

Improveprotocol communication reliabilityVSAvoidmulti-protocol signal detection

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The detection system is segmented into specialized sub-systems: a first protocol detection path optimized for detecting first protocol signals, and a second protocol detection path optimized for detecting second protocol signals. Each segment maintains protocol-specific detection reliability while the combination provides multi-protocol versatility.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent introduces an intermediary protocol identification mechanism that receives signals and determines their protocol type before routing them to the appropriate processing path. This intermediary layer enables the device to maintain reliable protocol-specific processing while adapting to multiple protocol types through intelligent signal classification and path selection.

Inventive Principle:

Principle #24Intermediary (Mediator)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables uninterrupted operation by allowing the detection of concurrent signal transmissions from different protocols, reducing interference and maintaining continuous operation in multi-protocol environments.

Implementation Method 1

determining a first correlation metric based on the received data packet and the first time-shifted data packet

Methodology Applied

Scientific EffectCorrelation:

Data Source

PatentUS9985744B2Wireless receiver

Publication Date: 2018.05.29 COHDA WIRELESS

AI summary

Described herein is a wireless receiver configured to receive wireless signals containing data packets transmitted according to an undetermined communications protocol selected from at least a first communications protocol and a second communications protocol. Without necessarily decoding the data packets, for example according to either the first or the second communication protocol, the described wireless receiver is able to concurrently detect presence of signal transmission in the first communications protocol or the second communications protocol. In some arrangements, the described wireless receiver may be configured to differentiate between the first communications protocol and the second communications protocol. The ability of the wireless receiver to detect presence of signal transmission by other wireless devices may provide intelligence to an associated wireless transmitter of any concurrent signal transmission so as to minimize interference.