Re: [Openlte-discuss] configuring DRX on phone

[Ben W. <bwo...@gm...>]

Altaf,

Sorry for the delayed response.  Your analysis is correct, currently
LTE_fdd_enodeb keeps a connected UE in RRC Connected mode by always
scheduling UL grants.  Before enabling DRX mode, the UE will need to be put
into RRC Idle mode.  This should be done after some period of inactivity is
reached by sending an RRC Connection Release message to the UE.  After this
has occured, you can control the UE DRX parameters in RRC.

FYI: I have begun working on the first half of this (moving a UE to RRC
Idle mode after a period of inactivity) and hope to have something in an
upcoming release.

Thanks,
Ben

On Sun, Oct 11, 2015 at 7:47 AM, altaf sk <alt...@gm...> wrote:

> Hi Ben,
>
> I am trying to configure and activate the DRX on the phone but unable to
> do so. I have started playing with the enodeB app and the mac scheduler. As
> far as I understood the enodeB is continuously scheduling resource blocks
> to the phone i.e, once the enodeB receives a NAS or RRC message it is
> sending PDCCH with DCI format 0 (UL grants) to the phone. The UE is not
> able to activate DRX because it responds to the UL grants.
>
> Can you please guide me if there is a way to configure the enodeB to stop
> scheduling UL grants to the phone for a certain period of time so that
> during this time UE can activate DRX and save some power.
>
>
> Regards,
>
> Altaf
>
>
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