Mobile Station Power Saving Controller for Dynamic Mode Adjustment
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Solution Overview
Problem
Existing multi-user digital communication systems, particularly those employing OFDMA technology, face challenges in reducing power consumption in mobile stations, which are critical for portable devices running on batteries, as current power-saving techniques are inadequate.
Innovation Solution
A method and system that dynamically adjust the receive and transmit mode durations of mobile stations based on downlink and uplink allocations from a base station, using a power saving controller to selectively enable and disable components, thereby optimizing power usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If mobile station components are continuously enabled to maintain communication readiness, then communication responsiveness is improved, but power consumption increases
Solution Approach 1:
The patent applies dynamics by making the mobile station's operational state adjustable between active and sleep modes. The receive mode duration is dynamically configured based on downlink allocation information, allowing the system to transition between states of high responsiveness and low power consumption as communication conditions change.
Solution Approach 2:
The patent changes the parameter of receive mode duration to optimize the balance between responsiveness and power consumption. By adjusting the duration for which the receive mode is maintained based on downlink allocation information, the system adapts its operational characteristics to match actual communication needs.
2Reliability
If receive mode duration is extended to ensure complete downlink reception, then data reception completeness is improved, but power consumption increases
Solution Approach 1:
The patent uses feedback by configuring the receive mode duration based on downlink allocation information received from the base station. The mobile station monitors the allocated downlink resources and adjusts its receive mode duration accordingly, ensuring it receives exactly the amount of data allocated without unnecessary extended reception periods.
Solution Approach 2:
The patent applies partial action by enabling the receive mode only for the specific duration needed to receive the allocated downlink data, rather than maintaining it continuously. The receive mode is activated partially - only during the configured duration that matches the downlink allocation - avoiding excessive power consumption from unnecessary continuous reception.
3Use of energy by moving object
If mobile station components are frequently switched to save power, then power consumption is reduced, but system complexity increases
Solution Approach 1:
The patent applies self-service by having the mobile station automatically configure its own receive mode duration based on downlink allocation information it receives. The power management is handled autonomously by the mobile station itself through the power saving controller, which monitors downlink allocations and adjusts receive mode settings without requiring complex external control mechanisms.
Data Source
AI summary
A method for reducing power consumption in a multi-user digital communication system and mobile station employing the method adjusts receive and transmit mode durations of the mobile device using downlink and uplink allocations from a base station of the system, as well as other factors.