Presentation is loading. Please wait.

Presentation is loading. Please wait.

Realizing Green ICT Dream with TTA Statistical Analysis for Out-Of-band Emission level of IMT UE LIM, Euntaek CJK IMT 28 Xi’an (西安),

Similar presentations


Presentation on theme: "Realizing Green ICT Dream with TTA Statistical Analysis for Out-Of-band Emission level of IMT UE LIM, Euntaek CJK IMT 28 Xi’an (西安),"— Presentation transcript:

1 Realizing Green ICT Dream with TTA Statistical Analysis for Out-Of-band Emission level of IMT UE LIM, Euntaek CJK IMT 28 Xi’an (西安), China June 2 ~ 3, 2011 CJK-IMT28-023

2 2 2/14 CJK IMT 28, Xi’an, China Interference from IMT UE to DTV Receiver 5MHz Guard band: between IMT UE and ATSC Receiver 9MHz Guard band: between IMT UE and DVB-T Receiver Interference scenario ※ FDD option of AWG harmonized frequency allocation Interference

3 3 3/14 CJK IMT 28, Xi’an, China Simulation Parameters DTV and LTE UE system ParametersLTE ValueComments Cell layoutHexagonal grid ScenarioUrban MacroITU-R M.2135 Number of UE per km 2 20 UEs Inter-site distance500m Duplex methodFDD UE max transmit power23dBm Uplink schedulerPFPF factor = 1.2 Uplink power controlAlpha = 0.83GPP TS ParametersDTV ValueComments Transmitter power92.16dBmFCC CFR 47. Part 75 Transmitter antenna height365mFCC CFR 47. Part 75 Separate distance between DTV receivers 50m DTV receiver’s location Fixed grid with constant separation DTV typeATSC 8-VSD

4 4 4/14 CJK IMT 28, Xi’an, China Simulation environment Configuration of LTE system Path loss model Distance rangeValueComments IMT UE → DTV RxSub-urban Hata modelERC Report 68 DTV Tx → IMT BSP.1546ITU-R Rec.

5 5 5/14 CJK IMT 28, Xi’an, China Simulation methodology Flowchart for calculating DTV outage

6 6 6/14 CJK IMT 28, Xi’an, China Simulation result (1/5) DTV outage probability according to ACIR and ATSC Coverage

7 7 7/14 CJK IMT 28, Xi’an, China Simulation result (2/5) DTV Outage according to ACIR of LTE UE Increasing DTV Outage based on no interference from LTE UE 5MHz LTE UE ACIR 34.9dB (Measurement) 39dB (5MHz GB, Spec.) 42dB (9MHz GB, Spec) DTV outage increasing (68km)1.8% (1.5↑)1.2% (1.0↑)1.0% (0.7↑) DTV outage increasing (96km)45.8% (5.2↑)43.8% (3.1↑)42.9% (2.3↑)

8 8 8/14 CJK IMT 28, Xi’an, China Simulation result (3/5) DTV Outage according to DTV Coverage with given ACIR Increasing DTV outage based on no interference DTV Coverage (ATSC Rx Sensitivity level) 68Km (-69dBm) 85Km (-78dBm) 97km (-84dBm) DTV outage increasing ACIR: 39dB (5MHz GB)1.1%(0.9↑)17.1%(2.3↑)25.7%(2.7↑) ACIR: 42dB (9MHz GB)1.0%(0.7↑)16.1%(1.9↑)45.2%(2.3↑)

9 9 9/14 CJK IMT 28, Xi’an, China Simulation result (4/5) DTV Outage with Fixed power of LTE UE based on 3GPP Spec. –LTE UE spectrum mask: -25dBm/MHz (ACLR: 41dB) –LTE UE Coexistence emission: -50dBm/MHz (ACLR: 66dB) DTV Coverage (ATSC Rx signal level) 68Km (-69dBm) 85Km (-78dBm) 97km (-84dBm) LTE UE Emission level -25dBm/MHz5.9% (5.6)30.8% (16.6)60.6% (17.7) -50dBm/MHz0.7% (0.5)15.1% (0.9)44.0% (1.1)

10 10 10/14 CJK IMT 28, Xi’an, China Simulation result (5/5) DTV Outage for the density of LTE UE –DTV outage slightly increases when the density of LTE UE increases 5 Users/km2 to 20 User/Km2 ( DTV Coverage: 97km)

11 11 11/14 CJK IMT 28, Xi’an, China Summary DTV Outage based on APT band plan –No power control All LTE UEs emit the same signal level in DTV in band based on 3GPP LTE UE Spectrum emission mask –Power control LTE UE emits the signal level in DTV in band based on 3GPP LTE UE ACLR LTE UE emission level ATSC Coverage (km) 68Km (-69dBm) 85Km (-78dBm) 97km (-84dBm) No power control -25dBm/MHz5.9% (5.6↑)30.8% (16.6↑)60.6% (17.7↑) -50dBm/MHz0.7% (0.5↑)15.1% (0.9↑)44.0% (1.1↑) Power control ACIR: 39 dB (5MHz GB, Spec)1.2% (1.0↑)14.7% (2.3↑)43.5% (2.8↑) ACIR: 42 dB (9MHz GB, Spec)1.0% (0.7↑)14.1% (1.7↑)42.8% (2.0↑) ACIR: 54 dB (6MHz GB, Measurement) 0.6% (0.3↑)12.8% (0.4↑)41.3% (0.6↑) No interference0.4%14.2%42.9%

12 12 12/14 CJK IMT 28, Xi’an, China Annex

13 13 13/14 CJK IMT 28, Xi’an, China Comparison with measurement and calculation DTV sensitivity level when LTE UE causes interference –Measurement result –Calculation result with LTE UE Tx ACLR (It assumes that ATSC ACS is much more than LTE UE ACLR) ※ Measured LTE UE ACLR LTE UE channel Bandwidth ACLR 1ACLR 2 3MHz51 dB69.3 dB 5MHz34.9dB54.1 dB

14 14 14/14 CJK IMT 28, Xi’an, China Simulation Parameters Measurement result of minimum sensitivity level of DTV due to interference from LTE UE in US band plan ※ Measured LTE UE ACLR LTE UE channel Bandwidth ACLR 1ACLR 2 3MHz51 dB69.3 dB 5MHz34.9dB54.1 dB


Download ppt "Realizing Green ICT Dream with TTA Statistical Analysis for Out-Of-band Emission level of IMT UE LIM, Euntaek CJK IMT 28 Xi’an (西安),"

Similar presentations


Ads by Google