This feature supports on the eDRX related Radio Access Technology (RAT) AVP in the DSDR message. The MME is enhanced to support Delete Subscriber Data Request (DSR) flags bits 28 and 30, and Paging Time Window (PTW) subscription Pages the UE only at valid paging occasions and the MME sends the eDRX paging parameters to eNodeB during paging.ĭSR flag and PTW Subscription Withdrawal on eDRX The primary advantage is that without eDRX support, the MME will page the UE unconditionally. With release 21.11.3 Paging eDRX H-SFN changed to 10 bits counter to allow values between 0 to 1023 as per 3GPP TS 36.331 Contact your Cisco Account or Support representative for information on how The Extended DRX feature is license controlled. Or even days, thus increasing the battery life of the device.Įxtended DRX cycles provide UEs longer inactive periods between reading, paging, or controlling channels. This featureĪllows the device to connect to a network on a need basis – the device can remain inactive or in sleep mode for minutes, hours, The Extended Discontinuous Reception (eDRX) feature allows IoT devices to remain inactive for longer periods. Support of the DL-Buffering-Suggested-Packet-Count AVP The edrx CLI command is enhanced to support DL Buffering Suggested Packet Count in DDN ACK when unable to page UE. MME supports configuration of the T3415 paging timeout value. The enhancements in the N5.1 release include: The feature is tested and qualified on the ASR 5500 platform. The feature default for this enhancement is "Enabled - Configuration Required". Refer to the Configuring Hyper SFN Synchronization section for more information. The edrx command in the MME Service Configuration mode is enhanced in this release. The eDRX feature is enhanced to support H-SFN Start time configuration in GPS format and H-SFN Reference time in GPS and UTCįormat. Paging eDRX H-SFN changed to 10 bits counter. Support is added for Delete Subscriber Data Request (DSR) flag bits 28 and 30 Paging Time Window (PTW) subscription withdrawal MME is enhanced to detach the UE on deletion of the last PDN associated with the NB-IoT. The Extended Discontinuous Reception (eDRX) support on the MME in the followingįeature Summary and Revision History Summary DataĮnabled - Configuration Required (eDRX GPS time support in 21.4)
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