Multi-Frequency RF Receiver Architecture for Dual-Band xT4R Upgrades

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Solution Overview

Problem

Current communication systems face challenges in efficiently utilizing broadband antenna capabilities to support multiple frequency bands, leading to high costs and complex configurations when upgrading from xT2R to xT4R or higher network configurations, as existing solutions require multiple antennas and additional combiner units.

Innovation Solution

A multi-frequency receiver system that divides RF signals from an antenna into different frequency bands, sending each group to an RF unit for conversion into baseband digital signals, which are then processed by a baseband processing unit, allowing for increased channel reception without adding antennas, thereby simplifying the configuration and improving network reception performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple antennas are used to support multiple frequency bands, then the network reception performance is improved, but the device complexity and cost increase

Engineering Contradiction:
Improvenetwork reception performanceVSAvoidconfiguration complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements a multi-frequency receiver that can process multiple frequency bands through a single antenna interface. The receiver divides RF signals into different frequency bands and processes them through shared RF units and baseband processing units, allowing one antenna to serve multiple frequency bands simultaneously, thereby reducing the number of antennas needed while maintaining reception performance.

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

Solution Approach 2:

The patent combines multiple frequency band processing capabilities into a unified receiver architecture. By merging the processing paths for different frequency bands under a single antenna interface and using shared baseband processing units, the system reduces overall device complexity while supporting multiple frequency bands.

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If multiple antennas are added to increase channel reception, then the reception performance is improved, but the cost increases

Engineering Contradiction:
Improvereception performanceVSAvoidnumber of antennas
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent makes a single antenna serve multiple frequency bands by implementing a multi-frequency receiver that can process signals across different frequency ranges. This eliminates the need for separate antennas for each frequency band, reducing the total number of antennas required while maintaining the ability to receive multiple channels.

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

Solution Approach 2:

The patent segments the RF signal processing by dividing incoming RF signals into different frequency bands before processing. This segmentation allows a single antenna to handle multiple frequency bands through systematic signal separation and processing, reducing the need for multiple antennas.

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If additional combiner units are used to support multiple frequency bands, then the network configuration capability is improved, but the device complexity increases

Engineering Contradiction:
Improvefrequency band supportVSAvoidcombiner units
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges the functionality of multiple combiner units into a unified multi-frequency receiver architecture. By combining frequency band division, RF processing, and baseband processing into an integrated system, the patent eliminates the need for separate external combiner units while maintaining support for multiple frequency bands.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The multi-frequency receiver performs the functions previously requiring separate combiner units by implementing internal frequency band division and processing capabilities. This universal receiver handles multiple frequency bands through a single integrated interface, reducing the number of additional components needed.

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

4Adaptability or versatility

If four single-frequency xT2R modules are used to form dual-frequency xT4R, then the frequency band support is improved, but the device complexity and cost increase

Engineering Contradiction:
Improvedual-frequency supportVSAvoidmodule configuration
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges the functionality of four separate single-frequency xT2R modules into a unified multi-frequency receiver architecture. By combining the processing capabilities for multiple frequency bands into a single integrated system with shared RF and baseband processing units, the patent reduces device complexity while maintaining dual-frequency xT4R functionality.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent creates a universal receiver that can handle multiple frequency bands and channel configurations through a single integrated interface. This multi-functional receiver replaces multiple specialized modules, providing dual-frequency support with reduced complexity by allowing one system to perform the functions previously requiring four separate modules.

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

Data Source

PatentUS20120149317A1Communication Signal Transmission Method, Device and System
Publication Date: 2012.06.14 HUAWEI TECH CO LTD
  • US20120149317A1 patent drawing
  • US20120149317A1 patent drawing
  • US20120149317A1 patent drawing

AI summary

A method, device, and system for communication signal transmission are provided, which relate to the field of communications, so as to improve reception performance of the network. The method includes dividing, by a multi-frequency receiver, Radio Frequency (RF) signals by frequency bands received from an antenna to obtain RF signals of different frequency bands; sending a first group of RF signals of a predetermined frequency band to an RF unit so that the RF unit converts the received first group of the RF signals of the predetermined frequency band into first baseband digital signals and sends the first baseband digital signals to a baseband processing unit; and converting a second group of the RF signals of the predetermined frequency band into second baseband digital signals and sending the second baseband digital signals to the baseband processing unit by using a digital baseband interface