CPU 역사
    - SoC(System on Chip)
    - AP(Application processor)

//===========
< 갤럭시 S >
1 (2010) : Cortex-A8 1 GHz
2 (2011) : Cortex-A9 MP2 1.2 GHz
3 (2012) : Cortex-A9 MP4 1.4 GHz

(ARM big.LITTLE)
4 (2013) : Cortex-A15 MP4 1.6 GHz + Cortex-A7 MP4 1.2 GHz
    -  Exynos 5410

5 (2014) : Cortex-A15 MP4 1.9 GHz + Cortex-A7 MP4 1.3 GHz
    - LTE:Krait 400 ,  LTE-A:Krait 450

(64bit : Cortex-A35 이상, ARMv8-A)
6 (2015) : Cortex-A57 MP4 2.1 GHz + Cortex-A53 MP4 1.5 GHz
    - Exynos 7420
    - 6 엣지 : 6과 동일

7 (2016) : Exynos M1 "Mongoose" MP4 2.3 GHz  + Cortex-A53 MP4 1.6 GHz
    - Exynos 8890
    - Exynos M1 : Cortex-A57 나 Cortex-A72 와 비등한 성능
    - 7 엣지 : 7과 동일

//=========
갤럭시 노트

1 (2011) : Cortex-A9 MP2 1.4 GHz

2 (2012) : Cortex-A9 MP4 1.6 GHz
    - 엑시노스 4412

(ARM big.LITTLE)
3 (2013) :  Cortex-A15 MP4 1.9 GHz + Cortex-A7 MP4 1.3 GHz
    - 엑시노스 5420
    - 3 Neo : Cortex-A15 MP2 1.7 GHz + Cortex-A7 MP4 1.3 GHz
        - 엑시노스 5260

4 (2014) : Cortex-A57 MP4 1.9 GHz + Cortex-A53 MP4 1.3 GHz
    - 엑시노스 5433
    - 4 Edge : 4와 동일

5 (2015) : ARM Cortex-A57 MP4 2.1 GHz  + Cortex-A53 MP4 1.5 GHz
    - 엑시노스 7420

6 - skip

7 (2016) : Samsung Mongoose MP4 ? GHz CPU + Cortex-A53 MP4 ? GHz
    - 엑시노스 8893

//========
이동통신 기술

https://namu.wiki/w/4G

Hedy Lamarr (1914 ~ 2000 ) 배우가  Wi-Fi, CDMA ,Bluetooth 의 원천기술을 1945년 전후로 개발

더보기
//=========
< 2G >
CDMA ( Code Division Multiple Access, 코드 분할 다중 접속)
    - 2G : cdmaOne , 3G : WCDMA, HSPA

GSM (1991)
cdmaOne (1995)

//=========
< 2.5G >
CDMA2000 : 2.5G + 3G
    - EV-DO
WCDMA(UMTS/HSDPA/HSUPA/HSPA+

GSM(GPRS/EDGE

CDMA2000 1x (2000)

//=========
< 3G >
WCDMA (2001)
EV-DO (2002)

//=========
< 3.5G >
HSDPA (2005)
HSUPA (2007)
EV-DO rev. C
(UMB)

//=========
< 4G >
HSPA+ (2009)
LTE-FDD/TDD (2010)
LTE Advanced (2013)

//=========
< 4.5G >
LTE Advanced Pro