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TR 36.829 (RAN4)
Enhanced performance requirement for LTE User Equipment (UE)

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(W-zip) V11.1.0    2013/01    114 p.


Rapporteur:  Mr. Sagae, Yuta
See also:  –


The objective of this study is to evaluate the feasibility and potential performance improvements of interference cancellation/mitigation techniques for LTE/ LTE-Advanced FDD and TDD UE receivers, based on realistic network scenarios. Scope of the work includes:
  • Identify realistic deployment scenarios, traffic models, interference models, and performance metrics to evaluate the performance of advanced receiver to mitigate inter-cell interference.

    Evaluation should be based on realistic modelling of inter-cell interference, including both synchronous and asynchronous operations among macro eNBs, different precoders, ranks and powers applied over consecutive subframes, and effect of CRS and control channels to which different precoder is applied compared with data channels.

  • Study and evaluate feasibility and potential gain by advanced receiver at link and system levels:
    • Identify the scenarios and conditions where inter-cell interference mitigation is effective
    • Identify the receiver structures that could be a baseline to specify performance requirement.
      • Receiver structures targeting spatial domain interference mitigation such as IRC are to be considered as a starting point.
      • Receiver structures targeted to TDM-eICIC are only to be studied under the eICIC enhancements WI.
      • Details of interference modelling for performance requirements and conformance testing shall be specified in the WI phase. Some complexity considerations should be taken into account during the SI phase to avoid over simplified model later on that doesn't reflect the performance benefits found.


 

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1   Scope   Word-p. 5
2   References
3   Definitions, symbols and abbreviations   Word-p. 7
4   Receiver structure
5   Network Scenarios      Up
6   Interference modelling   Word-p. 11
7   Link performance characterization   Word-p. 53
8   System performance characterization
9   Summary
A   Change history   Word-p. 114

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