LAA-LTE Data Transmission Timing for Receiver Power Reduction
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Solution Overview
Problem
In licensed-assisted access using Long Term Evolution (LAA-LTE) systems, receiving end devices experience high power consumption due to continuous channel detection during data transmission.
Innovation Solution
A data transmission method that determines a candidate-moment set and sends data at a target candidate moment, allowing the receiving device to perform channel detection only at specified moments, reducing unnecessary detection and power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the receiving end device continuously detects the channel to acquire data, then the data reception reliability is improved, but the power consumption of the receiving device increases
Solution Approach 1:
The receiving device performs channel detection only at predetermined candidate moments rather than continuously. The base station indicates a set of candidate moments to the receiving device, and channel detection is performed periodically at these specific time points, reducing power consumption while maintaining data reception capability
Solution Approach 2:
The base station pre-indicates the candidate moment set to the receiving device before data transmission occurs. This preliminary action allows the receiving device to prepare its channel detection schedule in advance, knowing exactly when to activate its receiver, thus avoiding continuous operation and reducing power consumption
Data Source
AI summary
A data transmission method and a device are disclosed and relate to the field of communications technologies, so that the technical solutions can reduce power consumption of the second device during the channel detection. The method includes: determining, by a first device, a candidate-moment set; determining, by the first device, a target candidate moment from the candidate-moment set; and sending, by the first device, data on a channel according to the target candidate moment. The method and the device are used for data transmission.