LTE LTE-Aの基礎

1 A2A Research Inc., 2014 1 14 7 A2A any to any communications lte lte -A OFDM MIMO A2A Research Inc., 2014 2 1 3 1 4 2 5 OFDM 3 M2M 6 PARR 4 LTE 7 SC-OFDM 5 3 GPP 8 6 LTE 9 7 LTE 10 8 11 LTE 9 OFDM 12 10 13 11 14 TDD 12 MIMO 13 3 14 LTE-A 1 15 2 16 LTE-A UE 3 17 4 18 5 19 6 7 MIMO 1 8 LTE 2 OFDM 9 3 10 UE Specific RS 11 2 12 UE 1 OFDM 13 MIMO 2 FDD A2A Research Inc.

2 , 2014 3 2000 WEB SD HD K PC (10 18 10 9 10 12 10 15 1 : A2A Research Inc., 2014 4 2013 67 2019 93 GSM 2013 3 2 GSM LTE 2019 lte lte 26 UE User Equipment 2019 LTE 67 93 LTE GSM/EDGE CDMA2000 WCDMA/HSPA/GSM :10 26 A2A Research Inc.)

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4 , 2014 7 GPP LTE, LTE-A , 3 WCDMA 3 GPP 3rd Generation Partnership Project LTE 2007 8 9 8 MIMO 10 LTE-Advanced 2010 3 1999 WCDMA :UMTS 1999 99 WCDMA (HSPA 5 LTE 8, LTE-A 10 99 W-CDMA UMTS 5 HSDPA 8 LTE 10 LTE-A 6 HSUPA, HSPA+ 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 GPP 3 GPP LTE 8, LTE-A 10 UMTS: Universal Mobile Telecommunications System HSPA: High Speed Packet Access LTE: Long Term Evolution A2A Research Inc., 2014 8 6 lte lte , LTE-A 3 GPP LTE 2 3 LTE TV 400 MHz FDD TDD LTE 815 890 960 698 798 GSM900 US700 J800 US850 1428 1511 1525 1660 1710 1770 AWS-U 1750 1785 1880 1850 1990 1980 1920 2300 2400 2110 2170 IMT-U AWS-D S-U 2000 2020 2180 2200 2500 2570 2620 2690 IMT Extention TDD TDD 3400 3500 3600 L-band 1910 J 1700 1448 1476 1496 J 1500 GSM1800 1805 FDD 3410 3510 PCS1900 1930 UMTS800 UMTS1800 S-D IMT-D APT700 TDD TDD 1910 TDD 1880 US BRS/EBS FDD TDD 3800 A2A Research Inc.)

5 , 2014 9 7 LTE HSPA EV-DO LTE LAN TV OFDM MIMO 1Hz 10 MHz IP lte lte OFDM MIMO NW HetNet OFDM: Orthogonal Frequency Division Multiplex MIMO: Multi-Input Mult-Output HetNet: Heterogeneous Network LAN OFDM MIMO A2A Research Inc., 2014 10 8 LTE OFDM 15kHz OFDM 1kHz LTE UE 15kHz UE (SC OFDMA OFDM 15kHz SC-OFDMA OFDM , 3, 5, 10, 15, 20 MHz TTI 1ms 15kHz s s , s QPSK, 16 QAM, 64 QAM lte lte 8 20 MHz TTI: Transmission Time Interval s MBMS A2A Research Inc.)

6 , 2014 11 OFDM FDM Frequency Division Multiplex, FFT OFDM O Orthogonal 3 OFDM 1 9 OFDM FDM OFDM A2A Research Inc., 2014 12 LTE UE QPSK, 16 QAM, 64 QAM UE QPSK,16 QAM QPSK, 16 QAM, 64 QAM 4 22 16 24 64 26 2,4,6 LTE S/N UE 1 TTI 64 QAM 16 QPSK LTE-A 64 QAM 1 10 I-ch Q-ch I-ch Q-ch I-ch Q-ch QPSK 16 QAM 64 QAM QPSK, 16 QAM, 64 QAM A2A Research Inc.

7 , 2014 13 11 LTE 8 (UE: User Equipment 20 MHz MIMO MIMO 2 4 2x2 MIMO, 5 4x4 MIMO LTE MIMO 20 MHz 3 2014 4 LTE 3 1 1 2 3 4 5 Mbit/s 10 50 100 150 300 5 25 50 50 75 20 MHz QPSK, 16 QAM, 64 QAM QPSK, 16 QAM QPSK, 16 QAM, 64 QAM MIMO 2x2 4x4 LTE 8 UE UE A2A Research Inc., 2014 14 2 MIMO MIMO MIMO MIMO 50 Mbps MIMO 100 Mbps MIMO S/N S/N MIMO MIMO (Multiple Input Multiple Output) 1 M N A2A Research Inc.)

8 , 2014 15 LTE VoIP IP LTE 3 RNC UE IP 5 UE 100 LTE 13 k WCDMA RNC k LTE RNC RNC: Radio NW Controller A2A Research Inc., 2014 16 14 LTE-A LTE A LTE MIMO WiFi HetNet SON(Self Organized Network 1 LTE-A LTE-A MIMO HetNet SON LTE-Advanced LTE UE A2A Research Inc.)

9 , 2014 17 15 LTE UE 20 MHz 1 LTE-A CA 5 2 CA 2 GHz 800 MHz 20 MHz CA UE 1 LTE-A 20 MHz 100 MHz LTE-A LTE #1 #2 #3 #1 #2 #3 #4 LTE-A 20 MHz 5 100 MHz A2A Research Inc., 2014 18 16 LTE-A UE LTE-Advanced LTE UE CA) MIMO LTE 20 MHz LTE-A 20 MHz 6,7 2 8 5 CA MIMO lte lte -A 8 100 MHz 8x8 MIMO ITU 1 Gbps, 500 Mbps 8 1 Gbps 6 7 8 Mbit/s 300 300 1200 50 150 600 40 MHz 40 MHz 100 MHz QPSK, 16 QAM, 64 QAM QPSK, 16 QAM QPSK, 16 QAM, 64 QAM MIMO 2x2 CA 4x4 8x8 2x2 4x4 LTE-A 10 UE LTE-A CA MIMO A2A Research Inc.

10 , 2014 19 17 HetNet HetNet 3G LTE Wi-Fi LTE 1 HetNet A2A Research Inc., 2014 20 OFDM LTE UE LTE-Advanced UE CoMP Coordinated Multipoint Transmission UE UE LTE-A 1 CoMP 1 18 CoMP Coordinated Multipoint Transmission A2A Research Inc.