Software Defined Radio Terminal Device Smart Antenna Algorithm Management
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Solution Overview
Problem
Conventional software-defined radio (SDR) systems with single antennas are limited in adapting to diverse communication protocols and environments, requiring specific hardware modifications and being incompatible with various modem chips, which hinders their flexibility and interoperability.
Innovation Solution
A software-defined radio terminal device with a multiple antenna system that includes a storage unit, microprocessor, and baseband accelerators, capable of executing smart antenna algorithms like spatial multiplexing, beamforming, and space-time coding, without relying on modem chips, using a standardized API for compatibility across different terminals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional single antenna SDR systems use specific hardware modifications to support different communication protocols, then protocol support capability is improved, but device complexity and hardware cost increase
Solution Approach 1:
The patent implements a universal SDR terminal device with multiple antenna algorithms that can support various communication protocols (LTE, WCDMA, WiMAX, GSM) through software configuration rather than hardware modification. The device uses a standardized API interface and can dynamically load different antenna algorithms (spatial multiplexing, beamforming, space-time coding, DOA estimation) to adapt to different protocols, eliminating the need for hardware-specific modifications while maintaining broad protocol compatibility.
2Reliability
If radio applications are optimized for each specific modem to ensure compatibility, then reliability is improved, but ease of manufacture and productivity deteriorate
Solution Approach 1:
The patent creates a universal radio application that can run on terminals with different modem chips by using a standardized API interface. The application is designed to be modem-agnostic, relying on the SDR terminal device's ability to dynamically select and load appropriate antenna algorithms based on the communication protocol being used, rather than requiring separate optimized versions for each modem type.
Solution Approach 2:
The system dynamically adapts to different modem configurations by implementing a flexible algorithm selection mechanism. The terminal device can dynamically load, switch, and configure antenna algorithms at runtime based on the detected communication protocol and environmental conditions, allowing a single application to reliably operate across diverse modem hardware without requiring pre-optimization for each specific modem.
3Productivity
If multiple antenna algorithms are implemented to increase channel capacity, then productivity is improved, but device complexity increases
Solution Approach 1:
The patent segments the multiple antenna functionality into distinct, independently selectable algorithms (spatial multiplexing, beamforming, space-time coding, DOA estimation). Each algorithm is implemented as a separate module that can be independently loaded and configured based on the specific communication scenario, allowing the system to achieve high data transmission rates through spatial processing without requiring all algorithms to be simultaneously active, thus managing complexity through modular design.
Data Source
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AI summary
Disclosed is a smart antenna software definition radio terminal device. A software definition radio terminal device in a smart antenna software definition radio multi antenna system according to the present invention includes: a storage unit, a microprocessor, and at least one baseband accelerator. The microprocessor is configured to select a smart antenna algorithm; receive a control command from a radio controller layer for delivering a control command to control the baseband accelerator and a radio controller layer on the basis of the selected algorithm; read from the storage unit a code including a baseband driver layer that delivers the received control command to the baseband accelerator, and execute the read code; and load at least one functional block for realizing at least one smart antenna algorithm from the storage unit into the baseband accelerator. According to the terminal device, a terminal having a modem chip of a different structure may execute the same radio application through standard API.