LTE???????

1
LTE???????
2
?????????
??????????

• ??????????
• ??????????????

• ????????,????????
• ?????VoIP?????

????????????

• ???????
• ??HSPA/EVDO?????????
• ???????????

????????
??????????

• ????????
• ??????????????????

• ?? Latency - 10-50ms
• ?? Bandwidth 4Mbps
• ????????

??????????

• WiMAX???? 2 ?
• ????IP??????????
• ???????????

??????????
3
????????????
1
2
?????????????,???????,??????????????7305??,???????
28.9??????????,????????,?????????????????????????
????,?????????10??,????100?????????????,?????700?,
???????37?????(???)
Revenue
Source ??????
????
3
??/???? (????)
????
?????
????
4
??????????????????
?????Internet???????????????????
?????????
??????????
???????? ???????
??????? ?????
75 ??????????? YouTube ???27 ?Internet?? ????120
M ????
????(M, WW)
VOD?? (M, WW)
????????,???????????????? ??15???? 1.2GB ??
?????????????????????????
Source IMS Research, Motorola
Source Forrester, Kagan, ABI, Motorola
5
????????????
?????????????????????????????

• ABI????,???????????????????07?9200???????????12??4
  .6???

? Index
6
???????????????
??????
????,???? ?? gt 100Mbps ?? gt 50Mbps ?? lt 10ms
??????
??????
??????? gt50??????? gt5???????? ????QoS ???????? ?
IP?? ??????
??????
??????
??????
7
LTE?????????????
???????????
??????
50 TV
32 TV
Smartphone
iPhone
4.3 MP4 PMP
Ultra Mobile
PC 7

15-17 Laptop
???????????????????????????
???????? - LTE????????????????????????????
8
LTE?????????????????????

• LTE ??????????HDTV
• LTE ???????????/?????????

9
LTE??????????
933
???????
HSPA
UMTS
??????
LTE
LTE Advanced
10 yearly encoding improvement
??????
??????
55
2020
4040
Assumptions4x2 MIMOCat 1 devices / UMTS 04
1Mbps avg sector throughput, 55 / HSPA 06-08
3.52Mbps avg sector throughput 55 / LTE 08-12
33.4Mbps avg sector throughput, 2020 / LTE Adv
14 28Mbps avg sector throughput, 4040 Encoding
efficiency 10 per year
10
LTE??????????
???? / ????
????????,????? ??????????,????? ?????????
11
LTE ????????

• ?3G?CDMA?????OFDM??
• ??????,?????
• ??????
• ????????

• ??????????????????
• ???? - ??????,???????
• ????MIMO - ??????,??????
• ????Beamforming - ?????????????,??????

• ???????????????
• ???????,????,????
• ????????????
• ?????????????????QoS???

12
All IP?LTE ???????
IP
PSTN
IP
Gi
EPC
???
???
GMSC
GGSN
PDN GW

• ??
• ????RNC,????????????
• IP???????
• ?IP????
• ???????
• ?????
• ?????

S5
MSC/VLR
SGSN
Gs
Serving GW
S11
MME
??
??
Iu
C-plane
S1
RNC
RNC
Iur
Iub
eNodeB
eNodeB
X2
NodeB
NodeB
E-UTRAN
UTRAN
????????????
????????????
13
LTE ??????
???? 2.3Ghz/2.5GHz/700MHz ??? 900MHz/1800MHz/2100MHz ????
???? ?? gt 100Mbps ?? gt 50Mbps
???? ???? lt10ms
???? ??500??/??, 015??/??????
????? GPRS/EDGE/TDSCDMA/UMTS/EvDO
1
2
3
OFDM??
??????
???????
14
LTE?3GPP?3GPP2????????
3G
2G
4G
TD-HSPA
TD-HSPA
TDSCDMA
GSM
EDGE
L T E
HSPA
UMTS
HSPA
1x-EVDO Rev 0/A/B
CDMA-1X
CDMA
15
LTE - ?????,??????
TDD/FDD LTE ?????
TDD/FDD LTE Chipset
TDD/FDD ????
TDD/FDD ???BBU
LTE????,??????
16
Motorola???Video Over LTE????
Motorola ????????????????????(LTE Wireline)??
???????????????????????????????????
?? IPTV ?????
??????
X ??
17
Motorola LTE??????MWC09????
?????? ?????? ???? ????
???
???????
???? ?? MIMO ??
18
LTE Footprint _at_ Motorola LTE???????

• 2007?,????Vodafone/Verizon?LTE?????????
• 2008?,?MWC?CTIA?????????LTE???????
• 2008?,????????LTE???EvDO?????????
• 2008?,??????????????????QoS?700MHz LTE??
• 2009?,???LTE????????MIMO?????????
• 2009?,????KDDI,??KDDI LTE??????????

19
Thank You!