Integrated eLAA/WLAN Transceiver Circuit With Shared Amplifier Paths
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Solution Overview
Problem
Current portable terminal designs face increased circuit size due to the need to support multiple communication standards like eLAA and wireless LAN, leading to inefficiencies in communication congestion management.
Innovation Solution
A communication unit with a single module that supports both eLAA and wireless LAN using shared semiconductor amplifiers and switches, allowing for seamless switching between communication standards without the need for separate transceivers, thereby reducing circuit size while maintaining communication efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate transceivers are installed for eLAA and wireless LAN, then communication functionality for multiple standards is achieved, but circuit size increases
Solution Approach 1:
The patent combines eLAA and wireless LAN transceiver functions into a single integrated circuit. The amplifier unit shares semiconductor amplifiers between eLAA transmission/reception and wireless LAN transmission/reception paths. The signal processing unit processes both eLAA and wireless LAN signals through shared components, merging previously separate transceiver functions into one unified device that supports multiple communication standards simultaneously.
Solution Approach 2:
The amplifier unit is designed with universal functionality to handle both eLAA and wireless LAN signals. The semiconductor amplifiers can operate in different modes to support different communication standards. The signal processing unit universally processes signals from both standards through shared input/output terminals, making the circuit multi-functional rather than requiring separate dedicated hardware for each standard.
2Reliability
If separate transceivers are used for different communication standards, then communication stability is improved, but device complexity increases
Solution Approach 1:
The integrated transceiver is segmented into distinct functional paths: eLAA transmission path, eLAA reception path, wireless LAN transmission path, and wireless LAN reception path. Each path has dedicated signal processing stages but shares common amplifier resources. This segmentation maintains functional independence and communication stability for each standard while reducing overall device complexity through shared components.
Solution Approach 2:
The signal processing unit acts as an intermediary between the antenna and the amplifier unit, managing signals from both eLAA and wireless LAN standards. It coordinates signal routing, switching between standards, and resource allocation, enabling stable communication for multiple standards through a single integrated interface rather than requiring separate independent transceivers.
Data Source
AI summary
A communication unit includes a first input terminal to which a first transmission signal based on a first communication standard is input, a second input terminal to which a second transmission signal based on a second communication standard is input, a first transmission signal amplifier circuit outputting a first amplified transmission signal, or outputting a second amplified transmission signal, a first input-output terminal outputting the first amplified transmission signal or the second amplified transmission signal, and at least one of a first reception signal and a second reception signal inputted to the first input-output terminal, a first reception signal amplifier circuit performing at least one of operation of outputting a first amplified reception signal and operation of outputting a second amplified reception signal, a first output terminal outputting the first amplified reception signal, and a second output terminal outputting the second amplified reception signal.