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TR 36.839 (RAN2)
E-UTRA – Mobility enhancements in heterogeneous networks

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(W-zip) V11.1.0    2013/01    53 p.

Rapporteur:  Dr. Palat, Sudeep
See also:  –

This TR is intended the capture the output of the Study Item on HetNet mobility improvements for LTE.

The study aims to look at various mobility improvements such as possible improvements to support seamless and robust mobility of users between LTE macro to pico cells in Heterogeneous networks, better strategies to identify and evaluate small cells, handover performance with and without eICIC features, improvements to re-establishment procedures etc. It is also expected to consider these in the context of Carrier aggregation in Home eNodeBs.


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1   Scope   Word-p. 5
2   References
3   Definitions, symbols and abbreviations   Word-p. 6
4   General
5   HetNet mobility performance evaluation
5.1   Simulation study phases
5.2   General Simulation assumptions   Word-p. 8
5.3   Specific assumptions for Hotspot simulation
5.4   Additional assumptions for large area system simulations
5.5   Simulation results   Word-p. 19
5.5.1   Hotspot calibration
5.5.2   Large area calibration
5.5.3   Overall observations from calibration simulations   Word-p. 28
5.5.4   Multiple picocell deployments
5.5.5   Performance with DRX
5.5.6   Performance with eICIC
5.6   Performance benefits of enhanced UE mobility state estimation
6   Strategies for improved small cell discovery/identification
7   Automatic Re-establishment procedures for mobility robustness   Word-p. 48
8   Mobility enhancements for Multi-Carrier (including CA) in HeNBs with potentially different CSGs
9   Overall observations from the study on HetNet mobility
A   Detailed evaluation results on potential enhancements for inter-frequency small cell measurements   Word-p. 50
B   Change history   Word-p. 53

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