RF IC Transmitter Module Multi-Format Output Ports
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Solution Overview
Problem
Designing multi-format mobile communication devices that can efficiently operate across various wireless communication standards and frequency bands is challenging, as existing systems require complex configurations and additional ports for power amplifiers and antennas, leading to inefficiencies and increased complexity.
Innovation Solution
A RF integrated circuit (RF IC) system that includes a transceiver with a flexible multi-format transmitter module, capable of operating in multiple frequency bands using separate or shared power amplifier and antenna configurations, reducing the number of required ports and simplifying device design by integrating power management and modulation capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate power amplifier and antenna configurations are used for each frequency band, then communication performance across multiple wireless standards is improved, but device complexity and component count increase
Solution Approach 1:
The patent implements a universal RF IC architecture where a single power amplifier can serve multiple frequency bands and wireless standards (WCDMA, GSM, EDGE) through configurable output ports. The transmitter module can be dynamically reconfigured to support different communication formats, eliminating the need for separate dedicated amplifiers and antennas for each standard, thus reducing component count while maintaining multi-standard compatibility
Solution Approach 2:
The patent employs dynamic reconfiguration capabilities where the transmitter module can switch between different operating modes and frequency bands in real-time. The output ports can be dynamically assigned to different functions based on the active communication standard, allowing the same hardware to adapt to varying communication requirements without physical reconfiguration or additional components
2Adaptability or versatility
If additional ports are added for power amplifiers and antennas to support multiple frequency bands, then multi-format operation capability is improved, but the number of required ports and design complexity increases
Solution Approach 1:
The RF IC incorporates universal output ports that can be configured to serve different functions depending on the operational mode. A single set of output ports can handle multiple frequency bands and wireless standards through software-controlled reconfiguration, eliminating the need for additional physical ports for each standard and reducing overall device complexity
Solution Approach 2:
The patent merges the functionality of multiple dedicated power amplifier and antenna interfaces into a single integrated transmitter module. By combining these functions into one reconfigurable unit, the patent reduces the total number of required ports while maintaining the capability to support multiple formats through intelligent resource sharing and dynamic allocation
3Adaptability or versatility
If complex configurations are used to support various wireless communication standards, then communication coverage is improved, but system efficiency decreases
Solution Approach 1:
The transmitter module implements dynamic reconfiguration that allows rapid switching between different wireless standards and frequency bands without requiring complex physical reconfiguration. This dynamic capability enables the system to adapt to different communication environments efficiently, maintaining broad communication coverage while minimizing the overhead and complexity associated with supporting multiple standards
Solution Approach 2:
The patent utilizes parameter changes in the transmitter module to adapt to different communication standards. By modifying operational parameters such as frequency, modulation scheme, and power output through software control rather than hardware reconfiguration, the system achieves wide communication coverage while maintaining high efficiency and avoiding the performance penalties associated with complex fixed configurations
Data Source
AI summary
An RF integrated circuit (IC) includes a first IC port for coupling a first transmit signal in a first frequency band to at least one external device and a second IC port for coupling a second transmit signal in a second frequency band to the at least one external device. A transmitter module responds to outbound data to generate the first transmit signal in a first mode of operation and to generate the second transmit signal in a second mode of operation, wherein the transmitter module generates the first transmit signal and the second transmit signal in a selected one of a plurality of wireless telephony formats based on a control signal, and wherein the plurality of wireless telephony formats includes a code divisional multiple access format and at least one non-code division multiple access format.