60 GHz Pseudo-Beamforming via Distributed RF Modules

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional 60 GHz communication systems face challenges due to high signal attenuation in air, requiring innovative methods to achieve reliable and high-data-rate wireless communication, particularly for applications like wireless personal area networks and high-definition television signals.

Innovation Solution

The implementation of a 60 GHz communication device with multi-location antennas for pseudo-beamforming, where remote RF modules receive intermediate frequency signals via coaxial lines, apply phase shifts, and upconvert them to RF signals for transmission, optimizing signal strength and data throughput by configuring antennas based on the receiving device's location.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional 60 GHz communication systems are used, then high data rates can be achieved due to large bandwidth, but signal attenuation in air prevents reliable communication

Engineering Contradiction:
Improvedata rateVSAvoidcommunication reliability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The system divides the single high-power transmitter into multiple distributed RF modules, each operating at lower power individually. These segmented modules are distributed throughout the device and can be independently controlled to form multiple beams, reducing the attenuation problem while maintaining high data rates through the available bandwidth

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Multiple distributed RF modules with antennas are combined to work together as a coordinated system. By merging the output of multiple modules with appropriate phase and amplitude control, the system achieves beamforming that concentrates signal energy in specific directions, overcoming the attenuation issue while preserving high throughput

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If multiple antennas are distributed throughout the device, then beamforming capability is achieved for uniform wavefront, but device complexity increases

Engineering Contradiction:
Improvesignal qualityVSAvoidantenna configuration complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

Each distributed RF module is designed as a universal building block that can function independently or in combination with other modules. The modules are identical in structure and can be configured for different beam directions and patterns, reducing design complexity while achieving sophisticated signal quality through modular universality

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system dynamically configures which RF modules are active and their respective beam directions based on the location and requirements of receiving devices. This dynamic adaptability allows the complex multi-antenna system to manage complexity by only activating necessary modules for current communication tasks

Inventive Principle:
Principle #15Dynamics

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

This approach enhances signal quality, data throughput, and reduces latency by creating a uniform wavefront and optimizing antenna configurations for maximum signal strength and lowest bit error rate, effectively addressing the attenuation issues in 60 GHz communication.

Implementation Method 1

Each of the plurality of remote RF modules may receive IF signals via one or more coaxial lines. The beamformed RF signals may be transmitted via the plurality of antennas to one or more devices that are external to the wireless communication device.

Methodology Applied
Scientific EffectPhase shift:

Implementation Method 2

The RF signals may be generated from IF signals from one or more baseband signals.

Methodology Applied
Scientific EffectFrequency upconversion:

Data Source

PatentUS8942646B2Method and system for a 60 GHz communication device comprising multi-location antennas for pseudo-beamforming
Publication Date: 2015.01.27 AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LTD
  • US8942646B2 patent drawing
  • US8942646B2 patent drawing
  • US8942646B2 patent drawing

AI summary

Methods and systems for a 60 GHz communication device comprising multi-location antennas for pseudo-beamforming are disclosed and may include configuring antennas in RF modules for beamforming transmitted signals. Each of the RF modules may receive IF signals via coaxial lines. The beamformed RF signals may be transmitted via the antennas to external devices. The RF signals may be generated from IF signals from baseband signals. The RF modules may be configured utilizing a processor in the wireless communication device. The RF signals may be transmitted to a display device. Control signals for the RF devices may be communicated utilizing the coaxial lines. The RF devices may be selected for the beamforming based on a direction to a receiving device. The beamforming may include adding a phase shift in upconverting the IF signals to the RF signals, which may include 60 GHz signals.