RFIC Mode Transition via Pre-stored SPI Commands

Solution Overview

Problem

In wireless communication systems, mobile communication terminals face inefficiencies in RFIC mode transitions, leading to prolonged discovery and measurement times for neighboring cells, which can result in deteriorated capabilities for both neighboring and serving cell operations.

Innovation Solution

The method involves storing SPI control commands based on target cell information, such as frequency and RAT, and using pre-stored commands for subsequent RFIC mode transitions, rather than regenerating them each time, thereby reducing the time required for mode transitions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the mobile communication terminal generates SPI control commands in real-time for each RFIC mode transition, then the system maintains flexibility in handling different cell configurations, but the mode transition time increases, deteriorating neighboring cell discovery capability

Engineering Contradiction:

Improveflexibility in handling different cell configurationsVSAvoidmode transition time

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent pre-generates and stores SPI control commands for various cell configurations in a lookup table before they are needed. When an RFIC mode transition is required, the terminal simply retrieves the pre-prepared command corresponding to the target cell's frequency and RAT, eliminating real-time command generation delay and enabling rapid mode switching while maintaining adaptability to different cell types.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent pre-generates and stores SPI control commands for various cell configurations in a lookup table before they are needed. When an RFIC mode transition is required, the terminal simply retrieves the pre-prepared command corresponding to the target cell's frequency and RAT, eliminating real-time command generation delay and enabling rapid mode switching while maintaining adaptability to different cell types.

Inventive Principle:

Principle #10Preliminary action

2Ease of operation

If the RFIC mode transition time increases, then the terminal has more time to generate and process control commands, but the time available for neighboring cell discovery and measurement during gap duration decreases

Engineering Contradiction:

Improvetime for command generation and processingVSAvoidneighboring cell discovery time

Core Design Contradiction:

Ease of operationVSLoss of time

Solution Approach 1:

The patent pre-generates and stores SPI control commands for various cell configurations in a lookup table before they are needed. When an RFIC mode transition is required, the terminal simply retrieves the pre-prepared command corresponding to the target cell's frequency and RAT, eliminating real-time command generation delay and enabling rapid mode switching while maintaining adaptability to different cell types.

Inventive Principle:

Principle #10Preliminary action

3Reliability

If the terminal performs periodic RFIC mode transitions for neighboring cell discovery, then mobility support is maintained, but the repeated generation of SPI control commands increases overall processing time and reduces serving cell communication efficiency

Engineering Contradiction:

Improvemobility supportVSAvoidserving cell communication efficiency

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The patent pre-generates and stores SPI control commands for various cell configurations in a lookup table before they are needed. When an RFIC mode transition is required, the terminal simply retrieves the pre-prepared command corresponding to the target cell's frequency and RAT, eliminating real-time command generation delay and enabling rapid mode switching while maintaining adaptability to different cell types.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS10368299B2Method and apparatus for controlling radio frequency integrated chip in wireless communication system

Publication Date: 2019.07.30 SAMSUNG ELECTRONICS CO LTD

AI summary

A method and apparatus for controlling a Radio Frequency Integrated Chip (RFIC) in a wireless communication system are provided. The method includes detecting an event for changing a signal receiving cell of the RFIC, determining whether a Serial Peripheral Interface (SPI) control command for a target cell is pre-stored based on information of the target cell, and configuring the RFIC based on the pre-stored SPI control command if the SPI control command for the target cell is pre-stored.