Dual Baseband Wireless Apparatus for Multi-RAT Signal Decoding

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Solution Overview

Problem

Current wireless communication technologies face challenges in supporting multiple radio access technologies (RATs) efficiently, leading to limitations in user convenience and communication efficiency, particularly in transitioning between 4G and 5G networks.

Innovation Solution

The implementation of a wireless communication apparatus with dual baseband processors that can decode and process signals from different RATs, such as LTE and 5G, using a shared frequency band, allowing for synchronization and data acquisition across various radio access technologies.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a wireless communication apparatus supports multiple radio access technologies (RATs) simultaneously, then user convenience and communication efficiency are improved, but device complexity increases

Engineering Contradiction:

Improvesupport for multiple RATsVSAvoidapparatus structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines multiple RAT processing capabilities into a single wireless communication apparatus by integrating a first baseband processor for decoding first RAT signals and a second baseband processor for decoding second RAT signals, allowing both 4G and 5G communications to coexist in one device through shared hardware resources including RF circuits and processors

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The wireless communication apparatus is designed with multi-functional capability to support multiple RATs (4G LTE and 5G NR) simultaneously, where the baseband processors and RF circuits can handle different communication protocols and frequency bands, making the device universally compatible with various network types

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Productivity

If frequency bands are shared between different RATs, then communication efficiency is improved, but signal detection and decoding difficulty increases

Engineering Contradiction:

Improvecommunication efficiencyVSAvoidsignal detection

Core Design Contradiction:

ProductivityVSDifficulty of detecting and measuring

Solution Approach 1:

The patent segments the signal processing tasks by dedicating separate baseband processors for different RATs - the first baseband processor handles first RAT (4G) signal decoding while the second baseband processor handles second RAT (5G) signal decoding, allowing simultaneous processing of multiple downlink signals in shared frequency bands without mutual interference

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent introduces intermediary components including a synchronization signal processor that detects synchronization signals from different RATs and a resource allocator that manages the coordination between first and second baseband processors, facilitating seamless operation when multiple RATs share the same frequency band

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS11582737B2Wireless communication apparatus for supporting a plurality of radio access technologies and wireless communication method thereof

Publication Date: 2023.02.14 SAMSUNG ELECTRONICS CO LTD

AI summary

A wireless communication method of a wireless communication apparatus for supporting a plurality of radio access technologies (RATs) including receiving a first downlink signal corresponding to a first RAT and a second downlink signal corresponding to a second RAT from a base station through a first frequency band, decoding the first downlink signal, detecting the second downlink signal based on a result of decoding of the first downlink signal, and decoding the detected second downlink signal to acquire data included in the second downlink signal may be provided.