LTE-700MHz????????? ???????

1
LTE-700MHz????????????????

• ?????????
• ????????????????
• 103 ? 05 ?22?

2
????

• ????
• ??????
• ??????
• ??????
• ????

3
????

• ?????????A4??(????????)?????????????????????????
  ?????,??????????????

• ????????700MHz??
• ?????????????
• 4.6??????????????
• 4.6.3 ?????(transmitter part)
• (1) ????(channel
  bandwidth)????200kHz
• (2) ????(e.r.p.)
• (2.2) ???794.0-806.0 MHz?10
  mW(?)??

TW Band Up Link Down Link 3GPP Band ??
A1 703 713 758 768 Band 28
A2 713 723 768 778 Band 28
A3 723 733 778 788 Band 28
A4 733 748 788 803 Band 28 ???????
4
????

• ????????

???LTE???15MHz?????,??????795.5MHz
795.5MHz
788MHz
806MHz
803MHz
794MHz
Spectrum
???????????
BW15MHz
?????LTE A4??????
LTE
In-Band Testing
Out-Band Testing
5
??????
???? ?? ?? ?? ?? ?? ?? ??
?????? ??? ??? (??????????) 1.????? 1.????? 0.005 0.005 0.005
?????? ??? ??? (??????????) 2.???? 2.???? FM FM FM
?????? ??? ??? (??????????) 3.??? 3.??? lt-95dBm for 30dB S/N Radio lt-95dBm for 30dB S/N Radio lt-95dBm for 30dB S/N Radio
?????? ??? ??? (??????????) 4.RF???? 4.RF???? 10 dBm 10 dBm 10 dBm
?????? ??? ??? (??????????) 5.?????? 5.?????? gt107 dB(A) gt107 dB(A) gt107 dB(A)
?????? ??? ??? (??????????) 6.?16 ??,???? 6.?16 ??,???? 6.?16 ??,???? 6.?16 ??,???? 6.?16 ??,????
?????? ??? ??? (??????????) 794.625 797.5 797.5 800.25 802.875
?????? ??? ??? (??????????) 795.25 798.375 798.375 801.125 803.625
?????? ??? ??? (??????????) 796.125 799.125 799.125 801.625 804.375
?????? ??? ??? (??????????) 796.875 799.75 799.75 802.125 805.625
LTE?? ??? ???
LTE????? Anritsu MX847570A
?????LTE??? ??? ??? (????????????) 1.????????????????? 2.?15MHz?????,????????795.5MHz 1.????????????????? 2.?15MHz?????,????????795.5MHz 1.????????????????? 2.?15MHz?????,????????795.5MHz 1.????????????????? 2.?15MHz?????,????????795.5MHz 1.????????????????? 2.?15MHz?????,????????795.5MHz
????LTE???????????????
???????,?LTE out-band?????????,??????3???
6
??????
????? ???????????? ??LTE?????????????????? ????
?????LTE??????
7
??????
????????????????
???? ???????????????300kHz????????????73dB,??????
???
???????
?????
Mic
?????
3m
??chamber
0.3MHz
0.3MHz
???? (dBuV/m) ERP (dBm _at_3m)
A 32 -63.2
B 53.1 -42.1
C 105 9.8
D 45.5 -49.7
E 32.8 -62.4
C
73 dB
B
D
A
E
8
??????
?????? LTE??????????????(Mic)????
????????????
??????????????RSRP? (RSRPReference Signal
Received Power)
Step2 ??Mic????????????(????)
Mic???
???LTE??? ? LTE????? ????788-803MHz ????795.5MHz
(????,????) ???LTE????(PSS, SSS)???????(PBCH)??
?????795.5MHz??????
Step1 ??Mic?Mic??????(3?33??)
Mic (795.25MHz) (????)
?????? ????1 ??(??)LTE In-Band?????????RSRP??-72
dBm ????2 ??LTE In-Band?????????RSRP??-95dBm ????
3 ????LTE In-Band?????????RSRP??-81dBm ????4
??(??)LTE Out-Band?????????RSRP??-72dBm
9
??????
?????? LTE???????????Mic???? ????1
??(??)LTE In-Band?????????RSRP?? -72dBm
?? ?? LTE???? ( MHz ) Mic????( MHz ) LTE??????? ( dBm ) Mic???? ( dBm ) Mic???????? C/I (dB) Mic???????? ( dB ) Mic?????????? ( dB )
?? 15m 795.5 795.25 -54.96 -37.36 17.6 58.77 gt ???40
?? 9m 795.5 795.25 -55.06 -32.86 22.2 61.27 gt ???40
?? 3m 795.5 795.25 -54.50 -26.33 28.17 61.49 gt ???40
???LTE??? ????788-803MHz ????795.5MHz
(????,????)
15m
9m
3m
???? ??????????????RSRP?-72dBm,Mic????LTE????????
?,????????????RSRP?????-72dBm,Mic????LTE??????????
Mic???
10
??????
?????? LTE???????????Mic???? ????2 ??LTE
In-Band?????????RSRP?? -95dBm
?? ?? LTE???? ( MHz ) Mic????( MHz ) LTE??????? ( dBm ) Mic???? ( dBm ) Mic???????? C/I (dB) Mic???????? ( dB ) Mic?????????? ( dB )
?? 15m 795.5 795.25 -69.44 -33.78 35.66 60.75 gt ???40
?? 9m 795.5 795.25 -68.64 -31.99 36.65 60.68 gt ???40
?? 3m 795.5 795.25 -69.06 -27.98 41.08 60.6 gt ???40
LTE???????? ????788-803MHz ????795.5MHz
(????,????)
15m
9m
3m
???? ???????????RSRP?-95dBm,??? -
72dBm,Mic????LTE??????????
Mic???
11
??????
?????? LTE???????????Mic???? ????3 ????LTE
In-Band?????????RSRP?? -81dBm
?? ?? LTE???? ( MHz ) Mic????( MHz ) LTE??????? ( dBm ) Mic???? ( dBm ) Mic???????? C/I (dB) Mic???????? ( dB ) Mic?????????? ( dB )
?? 33m 795.5 795.25 -48.15 -46.84 1.31 27.46 lt ???40
??27m 795.5 795.25 -48.24 -43.61 4.63 32.78 lt ???40
??21m 795.5 795.25 -47.90 -41.15 6.75 39.07 lt ???40
LTE???????? ????788-803MHz ????795.5MHz
(????,????)
33m
27m
21m
???? ???????????RSRP?-81dBm,Mic?Mic???????21???(M
ic??????????6.75dB), Mic?????LTE?????????,?Mic????
??????????
Mic???
12
??????
?????? LTE???????????Mic???? ????4
??(??)LTE Out-Band?????????RSRP??-72dBm
?? ?? LTE???? ( MHz ) Mic????( MHz ) LTE??????? ( dBm ) Mic???? ( dBm ) Mic???????? C/I (dB) Mic???????? ( dB ) Mic?????????? ( dB )
?? 15m 795.5 803.625 -88.54 -37.82 50.72 61.85 gt ???40
???LTE??? ????788-803MHz ????795.5MHz
(????,????)
15m
???? ?LTE??????Out-Band????????Mic????,??LTE?????
????Mic????
Mic ??
18.87dB
Mic???
50.72dB
13
??????
?????? LTE???????????Mic????
????
15m with LTE (RSRP-72)
15m without LTE
Audio SNR 49.3dB
Audio SNR 52.48dB
Worst Case
3m without LTE
Audio SNR 32.88dB
Audio SNR 52.5dB
14
??????
?????????Mic?LTE??????
????????LTE????????????794.96MHz
796.04MHz,????????? 795.25 MHz,??LTE??????????????
????????????
Step2 ??LTE????LTE?????????????,?????????,?????
LTE ??
LTE???????? ?????LTE????? ????788-803MHz ????795
.5MHz (????)
??3??
Step1 ????LTE??????????
Mic (795.25MHz) (????,????)
Step3 ??Mic???,??????1?2?
??chamber
15
??????
?????????Mic?LTE??????
Mic ???? (MHz) LTE??? ???????(dBm) Mic ???? (dBm) LTE?? ????? (dB) LTE?? RSRP ? (dBm) LTE?? RSRQ LTE?? SNR (dB)
795.25 -59.37 -28.28 -31.09 -87 16 -2.2
795.25 -58.89 -28.90 -29.99 -89 14 -0.4
795.25 -59.95 -29.38 -30.57 -88 -13 -2.2
795.25 -60.46 -29.96 -30.5 -90 -15 -1.2
795.25 -61.64 -28.45 -33.19 -92 -15 -2.0
795.25 -61.83 -28.57 -33.26 -92 15 -2.8
795.25 -63.58 -27.86 -35.72 -93 16 -0.6
795.25 -63.92 -27.88 -36.04 -94 14 -0.8
795.25 -65.49 -29.20 -36.29 -94 14 -4.8
795.25 -65.99 -29.29 -36.7 -96 14 -1.8
795.25 -66.32 -28.89 -37.43
LTE???????? ????788-803MHz ????795.5MHz (????)
????
LTE ??
LTE??????????????????
??3??
Mic (795.25MHz) (????,????)
Disconnected
?Mic???????LTE???????37.43dB?,LTE???????
16
??????
?????????Mic?LTE??????
Mic ???? (MHz) LTE??? ???????(dBm) Mic ???? (dBm) LTE?? ????? (dB) LTE?? RSRP ? (dBm) LTE?? RSRQ LTE?? SNR (dB)
795.25 -86.76 - - -118 6.2 -11
795.25 -87.05 - - -117 7.0 -12
795.25 -87.84 - - -117 2.6 -2
795.25 -88.77 - - -119 -2.2 -13
795.25 -90.08 - - -120 4.8 -12
795.25 -89.76 - - -121 3.0 -13
795.25 -90.10 - - -123 0.6 -13
795.25 -89.86 - - -125 -0.8 -14
795.25 -90.22 - - -126 -20 -15
795.25 -90.41 - - -126 -14 -15
795.25 -90.72 - -
LTE???????? ????788-803MHz ????795.5MHz (????)
????
LTE ??
??Mic??? ,????
Disconnected
??????-96dBm,???Mic??????,???????????
-126dBm(RSRP)????LTE?????
17
??????
??LTE???????????Mic????
LTE???RSRP? (dBm) LTE???????????? (dBm) Mic?Mic??????(??) Mic???????????? (dB) ????
In-Band?? (794803MHz) -72 ?????? ????(??) -55 ?????? 3?9?15 ?60 (????40) ????????????9MHz(794-803MHz)??,???????????,????????????????????????20???,??????????????,????????????,??????????????,?????????????????????????20???
In-Band?? (794803MHz) -95 ?????????? -69 ?????? 3?9?15 ?60 (????40) ????????????9MHz(794-803MHz)??,???????????,????????????????????????20???,??????????????,????????????,??????????????,?????????????????????????20???
In-Band?? (794803MHz) -81 ?????? ?????? -48 ?????? 21?27?33 ????? (????40) ??????20????? ????????????9MHz(794-803MHz)??,???????????,????????????????????????20???,??????????????,????????????,??????????????,?????????????????????????20???
Out-Band?? (803806MHz) -72 ?????? ????(??) -55 ?????? 15 ?62 (????40) ?????????????3MHz(803-806MHz)??????????????????
18
??????
?????Mic?LTE??????
LTE?????????? (dBm) Mic ???? (dBm) LTE???????????Mic?????????? (dB) LTE???RSRP?(dBm) ????
?Mic??? (Mic??????3??) ????-66 ????-29 ?-37 ????-96 ????????????9MHz(794-803MHz)???,??????????2?3?,???????????3???,????????,????????3???,?????????????????,??3?????
?Mic??? ????-90.41 --- --- ????-126 ????????????9MHz(794-803MHz)???,??????????2?3?,???????????3???,????????,????????3???,?????????????????,??3?????
19
????
????????????9MHz(794-803MHz)??? (?)??????????????
1.????????????,????????????????????????20???,???
?????????? 2.????????????,??????????????,?????????
????????????????20??? (?)?????????? 1.??????????2
?3?,???????????3???,??????? 2. ????????3???,??????
???????????,??3????? (?)??????????,??????????LTE?
?????????? ????????????????????,???????????,??????
???????4G????????,??????????????