Dual-Polarization MIMO Radio Head Layout for Lower Silicon Area

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Solution Overview

Problem

Existing MIMO communication systems, particularly in mmWave frequencies, face challenges with high silicon area, power consumption, and cost due to the use of multiple antenna modules for dual-polarization MIMO communication, which can result in lower throughput and inefficiencies.

Innovation Solution

A dual-polarization MIMO architecture utilizing a single antenna module with dual-polarization Radio Heads (RHs) and a baseband controller to manage polarization selection, reducing silicon area, power consumption, and cost while maintaining high throughput.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If multiple antenna modules are used for dual-polarization MIMO communication, then MIMO throughput is improved, but silicon area and power consumption increase

Engineering Contradiction:

ImproveMIMO throughputVSAvoidsilicon area

Core Design Contradiction:

ProductivityVSArea of stationary object

Solution Approach 1:

The patent combines multiple antenna modules into a single integrated antenna module that supports dual-polarization MIMO communication. This merging approach integrates multiple functions (dual-polarization, MIMO) into one compact structure, reducing silicon area while maintaining throughput performance

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The single antenna module is designed to perform multiple functions simultaneously - supporting both dual-polarization (horizontal and vertical) and MIMO communication. This multi-functionality eliminates the need for separate dedicated modules for each function, reducing overall silicon area

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Productivity

If multiple antenna modules are used for dual-polarization MIMO communication, then MIMO throughput is improved, but power consumption increases

Engineering Contradiction:

ImproveMIMO throughputVSAvoidpower consumption

Core Design Contradiction:

ProductivityVSUse of energy by stationary object

Solution Approach 1:

By merging multiple antenna modules into one integrated module, the patent reduces the total number of active components and signal paths. This consolidation reduces power consumption while maintaining the throughput benefits of dual-polarization MIMO communication

Inventive Principle:

Principle #5Merging (Combining)

3Adaptability or versatility

If multiple antenna modules are used for dual-polarization MIMO communication, then MIMO capability is achieved, but device complexity and cost increase

Engineering Contradiction:

ImproveMIMO capabilityVSAvoiddevice complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges multiple antenna modules into a single integrated structure, reducing device complexity by eliminating redundant components and simplifying the overall architecture while maintaining full MIMO capability

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The single antenna module is designed to be universal, handling both dual-polarization and MIMO functions within one structure. This multi-functionality reduces the number of specialized components needed, thereby reducing device complexity and cost

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS12438284B2Apparatus, system and method of communicating a multiple-input-multiple-output (MIMO) transmission with polarization

Publication Date: 2025.10.07 INTEL CORP

AI summary

For example, an apparatus may include a baseband controller configured to control a plurality of dual-polarization Radio Heads (RHs) to communicate a Multiple-Input-Multiple-Output (MIMO) transmission, the baseband controller configured to control a first dual-polarization RH of the plurality of dual-polarization RHs to communicate a first spatial stream of the MIMO transmission with a horizontal-polarization via one or more first dual-polarization antenna elements of the first dual-polarization RH, and to control a second dual-polarization RH of the plurality of dual-polarization RHs to communicate a second spatial stream of the MIMO transmission with a vertical-polarization via one or more second dual-polarization antenna elements of the second dual-polarization RH.