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- 4G | ShareTechnote
If you want to do exact measurement the sleeping wake-up time on UE side during CDRX operation, you would need a current measurement equipment that supports very high sampling rate (very short sampling time) I used a Keysight (Agilent) N67XX family for this test
- How LTE Stuff Works?: 5G NR: Connected Mode DRX - Blogger
As discussed, Long DRX Cycle is characterized by active state and sleep states, and if there is certain data activity, the device extends the active state by a length of inactivity duration
- Device (UE) Power Saving Techniques Potential Benefits - Qualcomm
From the table above, it can be concluded that, with respect to the baseline of optimized CDRX config, time-domain bandwidth-part shall allow for substantial additional saving of modem-RF power which would be possible to achieve without any significant degradation of latency
- DRX (Discontinuous reception) in LTE - Techlteworld
In CDRX, the mobile device periodically enters a low-power sleep mode, known as DRX mode, while still maintaining the connection to the network During DRX mode, the device does not receive any data, but periodically wakes up to check for incoming data
- cDRX (Connected Discontinuous Reception) - Telecom Trainer
In cDRX mode, the UE periodically wakes up from the sleep state to check for any incoming data or control signals from the network The cDRX mechanism consists of two types of timers: the DRX (Discontinuous Reception) timer and the cDRX timer
- What is DRX (Discontinuous Reception) in LTE? - Capa Learning
What constitutes the complete DRX cycle in LTE applications? Figure 2 depicts the DRX mechanism in LTE 5G networks, showcasing how a device alternates between active and sleep states to conserve power while staying connected
- Summary of issues for enhancements on cell DTX DRX mechanism
Proposal 17: The cell DTX DRX could be applied for the different serving cells in CA scenario, in which the cell DTX DRX can be activated or deactivated via the group common DCI for expediting the transition between cell DTX DRX active time and non-active time
- Power saving techniques
With AS-RAI, the cDRX period is shortened, and the UE can enter into idle mode right after it has concluded the data transfer The following figure shows an example of the connection phases and the power consumption percentage corresponding to each phase when AS-RAI is enabled:
- Power saving methods for LTE-M and NB-IoT devices
This parameter defines the number of c radio frames in the paging cycle The larger the paging cycle, the less the UE will wake up to monitor the paging occasion The UE will also consume less battery power, but a possible mobile terminated call setup would take longer
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