Hybrid RF Triplexer Architecture for Multi-Protocol Wireless Devices

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Solution Overview

Problem

Wireless communications devices require RF circuitry that is low cost, small, simple, flexible, and efficient to support multiple wireless communications protocols with varying performance requirements, while minimizing size, cost, and power consumption.

Innovation Solution

The implementation of a hybrid RF triplexer circuitry that includes three hybrid RF couplers and RF filter circuitry, allowing for simultaneous communication across lowband, midband, and highband RF communications bands, with tunable filtering characteristics and impedance adjustments for optimal performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple separate RF circuits are used to support multiple wireless protocols, then protocol compatibility is improved, but device size and complexity increase

Engineering Contradiction:

Improveprotocol compatibilityVSAvoidRF circuit complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines multiple RF circuits into a single integrated RF circuit that can simultaneously handle multiple wireless protocols (e.g., LTE, Wi-Fi, Bluetooth) by using a shared antenna and unified signal processing architecture, thereby reducing device size and complexity while maintaining protocol compatibility

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The RF circuit is designed with multi-functional capability to support various wireless communication standards through configurable signal paths and adjustable filtering characteristics, allowing one circuit to perform the functions previously requiring multiple separate circuits

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If multiple separate RF circuits are used to support multiple wireless protocols, then protocol compatibility is improved, but power consumption increases

Engineering Contradiction:

Improveprotocol compatibilityVSAvoidpower consumption

Core Design Contradiction:

Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

By merging multiple RF circuits into one shared circuit, the patent eliminates redundant power consumption from multiple separate circuit operations, while still achieving protocol compatibility through the unified circuit's ability to handle different wireless standards

Inventive Principle:

Principle #5Merging (Combining)

3Device complexity

If RF circuitry is simplified to reduce size and cost, then device size and cost are reduced, but performance capability deteriorates

Engineering Contradiction:

ImproveRF circuit complexityVSAvoidRF performance capability

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The patent employs dynamic filtering characteristics that can be adjusted based on the active wireless protocol and frequency band, allowing the simplified RF circuit to optimize its performance for different communication standards while maintaining overall simplicity and reduced size

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS9729191B2Triplexer architecture for aggregation

Publication Date: 2017.08.08 QORVO US INC

AI summary

RF circuitry, which includes a first hybrid RF coupler, a second hybrid RF coupler, and a third hybrid RF coupler, is disclosed. The first hybrid RF coupler is coupled to a first RF antenna. The second hybrid RF coupler is configured to receive a first lowband RF receive signal via the first RF antenna. The first hybrid RF coupler is configured to receive one of a first midband RF receive signal and a first highband RF receive signal via the first RF antenna. The third hybrid RF coupler configured to receive another of the first midband RF receive signal and the first highband RF receive signal via the first RF antenna.