Configuration of wake-up receiver operating mode in a user equipment
By configuring network nodes to transmit a unified wake-up signal (WUS) that can be received by UEs with different WUR modes and allowing network operators to select supported modes, the complexity of supporting multiple WUR types is reduced, enhancing network efficiency and power management.
WO2025061486A1 Publication Date: 2025-03-27TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
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Patent Information
- Application Number
- PCT/EP2024/074986
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-09-20
- Filing Date
- 2024-09-06
- Publication Date
- 2025-03-27
AI Technical Summary
Technical Problem
The unified wake-up signal (WUS) solution poses challenges as networks must differentiate between user equipment (UEs) with different wake-up receiver (WUR) operating modes, leading to complexity in supporting multiple WUR types.
Method used
A configuration method where a network node transmits a unified WUS that can be received by UEs with either OOK-based or OFDM-based WURs, while allowing the network to indicate via system information which WUR operating modes are allowed in the cell.
Benefits of technology
This approach simplifies network operations by allowing a single type of WUS to be supported, while giving network operators the flexibility to decide which WUR modes to enable, thereby optimizing power consumption and network efficiency.
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Abstract
The present disclosure relates to a method implemented by a network node (20, 200) in a wireless communication network for configuring a wake-up receiver, WUR (34, 324), in a user equipment, UE (30, 300), for receiving a unified wake-up-signal, WUS, the method, comprising transmitting a signal to the UE (30, 300) indicative of allowed WUR operating modes in a group of two or more possible WUR operating modes to receive the unified wake-up-signal, WUS; and after transmitting the signal to the UE (30, 300) indicative of at least one allowed WUR operating mode to receive the unified WUS, transmitting the unified WUS to the UE (30, 300). The disclosure further relates to a method implemented by a user-equipment, UE (30, 300), in a wireless communication network having a wake- up receiver, WUR (34, 324), for receiving a unified wake-up signal, WUS, from a network node (20, 200), the method comprising receiving, from the network node (20, 200), a signal indicative of allowed WUR operating modes in a group of two or more possible WUR operating modes to receive the unified WUS; and receiving the unified WUS from the network node (20, 200) with the WUR (34, 324) according to one of the operating modes indicated as being allowed.
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