What is a smartphone-R1

What is a Smart-phone?

Mokwon UniversityYong Heui CHO( 조용희 )

yhcho@mu.ac.kr

Definition

Smartphone Mobile phone + computer + sensors +

wireless I/O Mobile OS: speed vs. battery life

2 ←inbritech.com

Computer of Tomorrow

3

Devoid of CPU and memory

Smartphone HW: AP

Application Platform Chip AP: Application Processor Flash memory Mobile Dynamic RAM PMU: Power Management Unit Audio Codec Bluetooth WiFi

4

Connectivity Platform Chip CPU: Central Processing Unit DSP: Digital Signal Processing

RF baseband processing Voice processing

PA: Power Amplifier Tx-Rx switch DAC + ADC

5

Smartphone HW: CP

UMTS/HSDPA/HSUPA 850, 900, 1900, 2100 MHz

GSM/EDGE 850, 900, 1800, 1900 MHz

CDMA EV-DO Rev. A 800, 1900 MHz

World Phone Capability

6

- UMTS: Universal Mobile Telecommunications System- HSDPA: High Speed Downlink Packet Access- GSM: Global System for Mobile communication- EDGE: Enhanced Data rates for GSM Evolution- EV-DO: Evolution-Data Optimized

Openmoko Project

Open source mobile phone project

7

UART: Universal Asynchronous Rx/Tx

SDIO: Secure Digital I/O

GPIO: General Purpose I/O

I2C: Inter-Integrated Circuit

Apple iPhone 4S

8 ←techrepublic.com

Apple released iPhone 4S in Oct. 2011. A5: powerful and faster than A4 Twin antenna: diversity

Breakdown of iPhone 4S

9

EMI Shield←ifixit.com

Without battery

Mother-Board

Li-ion Battery

3.7 [V]: used for bias of active de-vices (amplifiers, mixers, …) This voltage should be small to con-

sume smaller power (P = I x V) 5.3 [Whr]: unit for energy (W x hour)

10

A5 Processor 1 GHz, 500 MB RAM Designed by Apple (licensed from

ARM) and manufactured by Samsung

11

Chip R,L,C

Instruction Data

NEON: Multimedia

Power Amplifier

PA: transmitting the RF power into air Heat sink is needed. Look at the metal

part below.

12

Avaga PA: 2G and 3G

Skyworks PA: GSM, EDGE, WCDMA

Mother-Board

13

Qualcomm Multi-Band RF Transceiver

TriQuint SAW (Surface Acoustic Wave) BPF

TriQuint WCDMA/HSUPA PA-Duplexer

Samsung Galaxy S III

14 ←techrepublic.com

Samsung released Galaxy S III in May 2012. Quad-core A9 processor

Breakdown of Galaxy S III

15

Li-ion Battery

3.8 [V]: used for bias of active devices (amplifiers, mixers, …) This voltage should be small to consume

smaller power (P = I x V) 2,100 [mAh]: unit for energy (W x hour)

16

A9 Processor 1.4 GHz, 2 GB RAM Designed by Samsung (licensed

from ARM) and manufactured by Samsung

17

NEON: Multimedia

Jack, Speaker, GPS An-tenna

18

2 GB Mobile DRAM

19

PMIC

Qualcomm Power Management IC

20

RF Transceiver

Qualcomm multiband/mode RF transceiver

21

Quad-Band PA

TriQuint GSM/GPRS/EDGE power amplifier

22

LTE PA