Sidelink DRX Configuration Alignment for Relay Wireless Devices
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Solution Overview
Problem
Existing sidelink communication protocols result in increased power consumption for relay wireless devices due to the need to monitor multiple DRX configurations from remote devices, leading to inefficient power management.
Innovation Solution
A method where the relay wireless device determines and configures the DRX timing for remote devices, aligning it with its own and other remote devices' configurations to minimize active time and optimize power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the relay wireless device monitors multiple DRX configurations from remote devices, then it can maintain communication with all remote devices, but its power consumption increases
Solution Approach 1:
The patent merges multiple DRX configurations into a single unified DRX configuration. The relay wireless device determines one DRX configuration that accommodates multiple remote devices, allowing them to share common DRX occasions and time resources. This consolidation reduces the relay device's active monitoring time while maintaining communication with all remote devices, thereby resolving the contradiction between communication reliability and power consumption.
2Adaptability or versatility
If the relay wireless device monitors multiple different DRX timing configurations, then it can support multiple remote devices with different requirements, but the active time increases reducing power saving opportunities
Solution Approach 1:
The patent implements a universal DRX configuration that serves multiple remote devices simultaneously. Instead of maintaining separate DRX configurations for each remote device, the relay device establishes a single DRX configuration that all remote devices can use. This universal approach maintains adaptability to support multiple devices while minimizing the relay device's active time, as it only needs to monitor one set of DRX occasions rather than multiple different ones.
Data Source
AI summary
Disclosed is a method, performed in a relay wireless device, WD, for configuring sidelink discontinuous reception, DRX, of a remote WD. The method comprises receiving, from the remote WD, a first signal, the first signal being indicative of a request to initiate sidelink communication with the relay WD. The method comprises determining a DRX configuration to be used for communication between the relay WD and the remote WD. The method comprises transmitting, to the remote WD, a second signal, the second signal being indicative of the DRX configuration to be used.