Integrated Baseband Chip for Multi-Mode Switching
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Solution Overview
Problem
Current baseband chip designs for TD-SCDMA mode mobile terminals are inflexible and costly, requiring repeated design efforts to accommodate new requirements and multi-mode capabilities, with no commercialized application-specific chips available for multi-mode terminals.
Innovation Solution
A baseband chip architecture integrating a source encoding/decoding subsystem, a wireless transmitting/receiving subsystem, and a common control and process subsystem, connected via an interface module, enabling efficient mode switching and supporting multiple communication protocols, including TD-SCDMA, to reduce design redundancy and costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If solidified application-specific hardware circuits are used for chip design, then the chip can meet specific communication mode requirements, but the design takes three to five years and is hard to meet new changed requirements
Solution Approach 1:
The patent implements dynamic reconfiguration capability in the baseband chip, allowing the hardware circuit to be dynamically adjusted between different communication modes (TD-SCDMA, WCDMA, GSM) through control signals. This enables the chip to adapt to new requirements without physical redesign, resolving the contradiction between specialized performance and adaptability.
Solution Approach 2:
The baseband chip is designed with universal functionality to support multiple communication modes through a single device. The chip can be configured to operate in TD-SCDMA, WCDMA, or GSM modes, eliminating the need for separate application-specific chips for each mode and reducing design cycle time while maintaining reliable performance.
2Reliability
If application-specific baseband chips are designed for each communication mode, then the chip can be optimized for that mode, but the cost of repeated design increases
Solution Approach 1:
The patent creates a universal baseband chip that can operate in multiple communication modes (TD-SCDMA, WCDMA, GSM) through software configuration and control signals. This single chip design eliminates the need to develop separate application-specific chips for each mode, significantly reducing design costs and time while maintaining optimized performance for each mode through dedicated hardware pathways that can be activated as needed.
3Adaptability or versatility
If multi-mode capability is added to the baseband chip, then the chip can support multiple communication protocols, but the device complexity increases
Solution Approach 1:
The baseband chip architecture is segmented into functional modules (receive signal processing, transmit signal processing, control units) that can be independently configured for different communication modes. This modular segmentation allows multi-mode support while managing complexity through standardized interfaces and control mechanisms, avoiding the need for completely separate hardware paths for each mode.
Solution Approach 2:
The chip employs dynamic control mechanisms where a central controller configures the hardware pathways and processing parameters based on the selected communication mode. This dynamic reconfiguration allows the same physical hardware to serve multiple modes without requiring complex static architecture for each mode, reducing overall device complexity while maintaining multi-mode capability.
Data Source
AI summary
The present invention discloses a baseband chip and a method to implement multi-mode switching for a mobile terminal based on the baseband chip, the baseband chip of the mobile terminal in the present invention includes three subsystems of a source encoding/decoding subsystem 102, a wireless transmitting/receiving subsystem 101, a wireless transmitting/receiving and source encoding/decoding common control and process subsystem 100, the baseband chip may be implemented by using a single chip based on CMOS technology. The baseband chip of the present invention are suitably used to a TD-SCDMA mode mobile terminal or a multi-mode mobile terminal including TD-SCDMA, the new requirements proposed to the mobile terminal of the third generation mobile communication technology are met, and repeated design are decreased; furthermore, the method of switching among different communication modes for the mobile terminal based on the above mentioned baseband chip in the present invention implements the switching among different communication modes for the mobile terminal.