Antenna Configuration Control for Bluetooth Low Energy Power Optimization
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Solution Overview
Problem
Information processing apparatuses using multiple antennas for Bluetooth Low Energy communication face higher power consumption, necessitating a method to control the number of antennas used based on the state of the communication apparatus and the environment.
Innovation Solution
The apparatus dynamically controls the number of antennas used for communication, switching between a state with multiple antennas for direction detection and a state with fewer antennas for reduced power consumption, based on factors like distance, battery levels, and compatibility with direction detection functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple antennas are used for Bluetooth Low Energy communication, then direction detection capability is improved, but power consumption increases
Solution Approach 1:
The system dynamically switches between different antenna configurations based on operational requirements. When direction detection is needed, multiple antennas are activated; when it is not needed, fewer antennas are used to reduce power consumption. This dynamic adaptation resolves the contradiction between maintaining direction detection capability and minimizing power usage.
Solution Approach 2:
The system changes the operational parameters of the antenna system by adjusting the number of active antennas based on the required functionality. This parameter change allows the system to optimize between direction detection accuracy and power consumption by selecting appropriate antenna configurations for different operational states.
2Reliability
If multiple antennas are used for communication, then communication reliability is improved, but device complexity increases
Solution Approach 1:
The antenna system is segmented into different operational modes with different numbers of active antennas. The system divides the antenna resources into subsets that can be activated based on communication requirements, allowing reliable communication when needed while reducing complexity when full reliability is not required.
Solution Approach 2:
The same physical antenna array serves multiple functions: full-directional communication when multiple antennas are active, and power-saving mode when fewer antennas are used. This multi-functionality allows the system to maintain communication reliability when needed while reducing device complexity in other operational states.
Data Source
AI summary
A control method for an information processing apparatus which is able to operate in any one of a plurality of states including a first state in which the information processing apparatus performs communication according to a predetermined communication method using a first number of antennas and a second state in which the information processing apparatus performs communication according to the predetermined communication method using a second number of antennas, the second number being less than the first number, includes causing the information processing apparatus to operate in a state that is based on at least one of information which is received from a communication apparatus capable of performing communication according to the predetermined communication method, a state of the communication apparatus, and a state of the information processing apparatus, out of the plurality of states.