Wireless Terminal Power Control via Dynamic Packet Clustering
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Solution Overview
Problem
Existing wireless terminals face challenges in reducing power consumption during wireless communication, as current methods lack effective power control mechanisms, leading to unnecessary energy usage and time delays due to unpredictable power consumption patterns and lack of recognition of specific power save modes by application layers.
Innovation Solution
A method and apparatus that estimate power consumption-related parameters, such as inactivation timer and wake-up cycle, to set optimal clustering cycles for packet transmission, allowing for controlled power management and reduced energy usage by clustering packets and adjusting communication cycles based on estimated parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If packet transmission is performed frequently to reduce delay time, then communication responsiveness is improved, but power consumption increases
Solution Approach 1:
The patent implements periodic packet transmission with clustering, where packets are gathered over a specific cycle period and transmitted together. This periodic action allows the WiFi chipset to remain in power-off state for extended periods while still maintaining communication functionality, thereby reducing power consumption without completely sacrificing responsiveness.
Solution Approach 2:
The patent performs preliminary packet clustering before transmission. By pre-gathering packets in a buffer during the clustering cycle and preparing them for transmission, the system can then transmit multiple packets efficiently in a single operation, reducing the frequency of transmission activations and lowering overall power consumption.
2Use of energy by moving object
If packet transmission cycle is extended to save power, then power consumption is reduced, but communication delay increases
Solution Approach 1:
The patent dynamically adjusts the packet transmission cycle based on traffic conditions and power requirements. The clustering cycle period can be adapted to balance between power savings and delay tolerance, allowing the system to optimize performance based on actual usage patterns rather than using a fixed transmission interval.
Solution Approach 2:
The patent merges multiple packets into a single transmission cluster. By combining several packets that would otherwise be transmitted separately into one clustered transmission, the system reduces the number of transmission activations, thereby extending the power-off periods and reducing overall power consumption while delivering multiple data units efficiently.
3Reliability
If WiFi chipset remains active for real-time communication, then communication responsiveness is improved, but power consumption increases
Solution Approach 1:
The WiFi chipset operates in periodic cycles, alternating between active and power-off states. During each clustering cycle, the chipset activates to receive and process packets, then enters a power-off state for the remainder of the cycle. This periodic operation maintains communication responsiveness during active periods while significantly reducing power consumption during inactive periods.
Solution Approach 2:
The system uses self-service mechanisms where the terminal autonomously manages its power states based on incoming traffic patterns. The chipset automatically transitions between active and sleep modes based on the clustering cycle requirements, eliminating the need for continuous external power management intervention while maintaining communication reliability.
Data Source
AI summary
The present invention relates to a method for reducing power consumption of a wireless terminal, comprising the operations of: when receiving a triggering packet from the wireless terminal, estimating parameters related to reduction of the power consumption of the wireless terminal; when receiving a condition including a required reduction amount for the power consumption, determined on the basis of the parameters, and time delay related information, setting a clustering cycle corresponding to the condition; and performing a wireless communication with the wireless terminal on the basis of the clustering cycle.