This TR contains the result of the study on the impacts on signalling between the UE and core network
when energy saving measures are applied to network entities.
The study aims, within the defined CT1 work areas, at:
analysing UE idle mode procedures and signalling between the UE and core network resulting from switch
on/off of radio equipment in all types of 3GPP accesses, including home cell deployment and I-WLAN, as well
as power adaptation of radio equipment (where applicable);
performing a corresponding analysis for connected mode UEs;
analysing similar impacts from activation status of non-3GPP access networks;
documenting limitations, weaknesses and inefficiencies in these procedures, with emphasis on mass effects in
the signalling between the UE and core network; and
studying potential optimizations and enhancements to these procedures.
The study also evaluates potential enhancements to 3GPP specifications under CT1 responsibility.
This study takes into account decisions made by other 3GPP working groups in their related work.