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TR 36.889
Feasibility Study on
Licensed-Assisted Access to Unlicensed Spectrum

3GPP‑Page
V13.0.0 (Wzip)  2015/07  87 p.
Rapporteur:
Dr. Koorapaty, Havish

full Table of Contents for  TR 36.889  Word version:  13.0.0

0Introduction  p. 5
1Scope  p. 6
2References  p. 6
3Definitions, symbols and abbreviations  p. 8
3.1Definitions  p. 8
3.2Symbols  p. 8
3.3Abbreviations  p. 9
4Regulatory requirements  p. 9
4.1ITU Region 1  p. 10
4.1.1Europe  p. 10
4.1.2Israel  p. 15
4.1.3Russia  p. 15
4.1.4South Africa  p. 15
4.1.5Turkey  p. 15
4.2ITU Region 2  p. 15
4.2.1USA  p. 15
4.2.2Canada  p. 18
4.2.3Brazil  p. 19
4.2.4Mexico  p. 19
4.3ITU Region 3  p. 19
4.3.1China  p. 19
4.3.2Japan  p. 21
4.3.3Korea  p. 28
4.3.4India  p. 29
4.3.5Taiwan  p. 30
4.3.6Singapore  p. 32
4.3.7Australia  p. 32
4.4Applicability of DFS requirements  p. 32
4.4.1DFS according to ECC  p. 33
4.4.2DFS in the Part 15 rules  p. 33
5Spectrum considerations and LAA carrier aggregation feasibility study  p. 34
5.1Licensed spectrum needs for LAA  p. 34
5.2LAA carrier aggregation feasibility study  p. 35
5.2.1Feasibility of UE operation  p. 35
5.2.2Feasibility of BS operation  p. 35
5.3Band definition for unlicensed operation of LTE in 5GHz spectrum  p. 35
5.3.1Band range  p. 35
5.3.2Suitable duplex method for unlicensed bands  p. 35
5.3.3UE RF devices for 5GHz band  p. 36
6Deployment scenarios for LAA  p. 36
7Design targets, functionalities and solutions for LAA  p. 37
7.1Design targets and functionalities  p. 37
7.2Solutions for operation in unlicensed spectrum  p. 38
7.2.1Physical layer aspects  p. 38
7.2.2Higher layer aspects  p. 45
8Coexistence evaluations  p. 51
8.1Scenarios and methodology  p. 51
8.2Channel access schemes  p. 52
8.3Coexistence results  p. 53
8.3.1Coexistence evaluation results for LAA with only DL transmissions  p. 53
8.3.2Coexistence evaluation results for LAA with DL and UL transmissions  p. 62
8.3.3Adjacent channel interference analysis for Wi-Fi-LAA scenario  p. 64
8.3.4Adjacent channel interference analysis for LAA-LAA to scenario  p. 68
9Conclusions  p. 73
AEvaluation methodology  p. 75
A.1General evaluation assumptions  p. 75
A.1.1Indoor scenario for LAA coexistence evaluations  p. 75
A.1.2Outdoor scenario for LAA coexistence evaluations  p. 79
A.2Additional evaluation assumptions  p. 83
A.2.1Additional Wi-Fi system evaluation assumptions  p. 83
A.2.2Additional LAA system evaluation assumptions  p. 84
A.2.3Details of average buffer occupancy (BO) reporting  p. 84
BEvaluation results for co-channel coexistence  p. 86
B.1Coexistence evaluation results for DL-only LAA and DL-only Wi-Fi  p. 86
B.2Coexistence evaluation results for DL-only LAA and DL+UL Wi-Fi  p. 86
B.3Coexistence evaluation results for DL+UL LAA and DL+UL Wi-Fi  p. 86
$Change History  p. 87

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