Transceiver Control of Wireless Peripheral Components
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Solution Overview
Problem
The complexity and size of wireless devices are increased due to the need for multiple peripheral components, which require a large number of control pins and conductive tracks, making it difficult to simplify control and minimize space in radio systems.
Innovation Solution
A communication system with an integrated component module that includes a signal processing device, memory subsystem, and a component module, where the memory subsystem stores bit patterns for controlling peripheral components, reducing the number of pins and conductive tracks needed by using a serial or parallel bus interface to decode and issue control signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple peripheral components are individually connected to the motherboard with separate control lines, then each component can be independently controlled, but the number of control pins and conductive tracks increases, increasing device complexity and size
Solution Approach 1:
Multiple peripheral components are integrated into a single component module, reducing the number of individual connections to the motherboard. The module receives control signals through a small number of control lines (e.g., 2-4 lines) that can simultaneously control multiple internal components, thereby reducing overall device complexity while maintaining independent control capability.
Solution Approach 2:
The component module serves as a universal interface that can control multiple different peripheral components (such as power amplifiers, low noise amplifiers, switches) through a standardized set of control lines. This multi-functional approach allows the same control mechanism to manage diverse components without requiring dedicated control lines for each one.
2Measurement precision
If each peripheral component has dedicated control lines from the baseband processor, then control precision is maintained, but the number of pins required on the baseband processor increases
Solution Approach 1:
The component module acts as an intermediary between the baseband processor and multiple peripheral components. It receives control signals from the baseband processor through a limited number of pins and internally distributes these signals to the appropriate components. This intermediary structure maintains control precision while significantly reducing the pin count requirement on the baseband processor.
3Manufacturing precision
If peripheral components are packaged separately in individual packages, then each component can be optimized independently, but the overall area occupied on the motherboard increases
Solution Approach 1:
Multiple peripheral components that would traditionally be packaged separately are merged into a single integrated component module. This consolidation reduces the total area occupied on the motherboard by eliminating the need for multiple separate packages and their associated mounting spaces, while still allowing each component to be optimized for its specific function during the design phase.
Data Source
AI summary
Peripheral components of a wireless radio system can be controlled by a wireless transceiver. The transceiver stores parallel or serial bit patterns in memory, each bit pattern corresponding to a particular control configuration for one or more peripheral components. A further control device, such as baseband controller, issues an address corresponding to the desired functional operation of the peripheral components to the transceiver. A memory sub-system of the transceiver uses the address to output the appropriate bit pattern. The bit pattern can be provided in parallel to statically control individual control lines, or can be converted into a serial bitstream decodable by a command decoder. The command decoder can then decode the bitstream and locally issue the appropriate control signals for the peripheral components.