Dynamic Slot Conversion for Low Energy Wireless Nodes
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Solution Overview
Problem
Wireless communication systems face challenges in improving speed, data capacity, power efficiency, reliability, and coverage, especially in complex environments where signal attenuation and blockages occur, and there is a need to optimize resource usage and device compatibility.
Innovation Solution
A method and apparatus that allow user equipment (UE) to dynamically repurpose unused downlink (DL) or uplink (UL) slots or symbols based on signaling indicating a network node's transition to a low energy state, converting them into additional DL or UL slots or symbols to enhance network efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the network node transitions to a low energy state to reduce power consumption, then energy efficiency is improved, but communication capability deteriorates
Solution Approach 1:
The patent implements dynamic switching between full-duplex and low-energy states based on communication needs. The network node can transition to a low energy state during periods when communication is not required, and switch back to full operation when data transmission is needed, optimizing the balance between power consumption and communication capability
Solution Approach 2:
The patent changes the operational parameters of the network node by adjusting the directionality of communication channels. During low energy state, the node transitions from bidirectional communication to unidirectional (downlink-only) mode, changing the system state to reduce power consumption while maintaining essential communication functions
2Adaptability or versatility
If bidirectional communication slots are maintained during low energy state, then communication flexibility is improved, but resource waste increases
Solution Approach 1:
The patent extracts and removes unnecessary communication components from the system during low energy state. Specifically, uplink communication slots are eliminated when the network node is in low energy mode, keeping only the essential downlink slots. This extraction of redundant elements reduces resource waste while maintaining necessary communication functions
Solution Approach 2:
Instead of maintaining full bidirectional communication capability during low energy state, the patent applies partial action by keeping only the essential downlink communication slots active. This partial maintenance of communication functionality reduces resource consumption while still providing necessary service
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a first signal configuration including one or more initial downlink (DL) slots or symbols and one or more initial uplink (UL) slots or symbols. The UE may receive signaling indicating a transition of a network node to a low energy state. The UE may apply a second signal configuration based at least in part on the signaling indicating the transition of the network node to the low energy state, wherein the second signal configuration converts the one or more initial UL slots or symbols into additional DL slots or symbols or the second signal configuration converts the one or more initial DL slots or symbols into additional UL slots or symbols. Numerous other aspects are described.