Zero-Power Wireless Communication With Preset Time Slots
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Zero-power devices face challenges in ensuring reliable communication due to the uncertainty of their power state, leading to potential power and resource wastage when using blind transmission and reception modes.
Innovation Solution
Implementing a communication method based on a preset time-domain resource, where power harvesting and communication are performed separately, ensuring the zero-power device operates on a scheduled time-domain resource to reduce power and resource wastage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If blind transmission and reception mode is used for communication, then communication can be established between zero-power device and another device, but power and resource wastage increases
Solution Approach 1:
The patent applies preliminary action by pre-configuring time-domain resources for communication before the actual communication occurs. The zero-power device and another device are pre-assigned specific time slots for transmission and reception, eliminating the need for blind transmission and reception modes. This allows the system to know in advance when communication will occur, thereby avoiding continuous power consumption and resource wastage while ensuring communication reliability.
Solution Approach 2:
The patent implements periodic action by establishing regular, predetermined time-domain resource allocations for communication between the zero-power device and other devices. Instead of continuous or random communication attempts, the system uses periodic time slots that are pre-configured, allowing the zero-power device to enter low-power states between communication periods while ensuring reliable communication when needed.
2Loss of energy
If time-domain resource allocation is implemented, then power and resource wastage is reduced, but communication timing coordination becomes more complex
Solution Approach 1:
The patent applies universality by creating a standardized time-domain resource allocation framework that can be universally applied to multiple zero-power devices and network configurations. The pre-configured time-domain resource structure serves multiple functions simultaneously: it coordinates communication timing, manages power consumption, and simplifies resource allocation across different devices and scenarios, reducing overall system complexity despite the added timing coordination requirements.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach allows for efficient communication by reducing power and resource wastage, as the zero-power device communicates on a predefined time, optimizing power usage and resource allocation.
Implementation Method 1
a power for the communication is obtained by the first device through the power harvesting
Data Source
Figure 1
Figure 2
Figure 3~5
AI summary
A wireless communication method and a device. The method is applied to a first device. The first device does not perform energy collection and communication simultaneously. The method comprises: the first device communicates with a second device according to a first time-domain resource, the first time-domain resource being a preset time-domain resource, and the first device obtains, by means of energy collection, energy for communication.