1

Development of Dependable Wireless

System and Device

Research Director:

Kazuo Tsubouchi, Tohoku University

Members: Akira Matsuzawa, Tokyo Institute of Technology

Makoto Iwata, Kochi University of Technology

Minoru Fujishima, Hiroshima University

Hiroshi Oguma, Toyama National College of Technology

Mitsubishi Electric Corporation

Cooperators: NEC Corporation

SOFTBANK TELECOM Corp. etc.

December 1, 2012

JST International Symposium on

Dependable VLSI Systems 2012

2

802.20

802.11ac

LTE

LTE-A

10M1M100k10k

10m

100m

1000m

Bluetooth

802.15.1

PHS

PDC

W-CDMA

cdma2000

802.11

802.11a/g

UWB

Cellular

Short range

RF-ID

distance

Zigbee

802.15.4

802.11n

cdmaOne

Narrowband Broadband

Wireless LAN

TDMA CDMA

100M 1G

802.11b

mmWave

802.15.3c

802.11ad

Wide area

Highthroughput

Ultra highthroughput

OFDMA

throughput [bit/s]

10GStandard

IEEE (IP friendly)

Non IEEE

HSPA

802.16e

Dependable Air

DependableAir Platform

Muti-mode/Multi-bandModule

Dependable Air: Heterogeneous and High-Reliable Wireless Network and Devices

MBWA/WLAN

WLAN/WPAN

High-speed Digital Equalizer

DAC/ADC Synthesizer

Analog/RFAntenna

High-speed Digital Equalizer

DAC/ADC Synthesizer

Analog/RFAntenna

3

Dependable Air: R&D

Intra-Car Network

ITS

Plant Control

Agriculture

Forestry

Fisheries

Physical Distribution

Home

Gateway

Home

Gateway

Home Network

Medical Network

Smart Grid

Dependable Air Terminal

SC

data

MC

Mod.

MBWA

Universal RF TxModule

WLAN

WPAN

Scalable D/A Converter

Dependable FDE

TxBaseband Module

Device Technology

Network Technology

Wireless Dependability

Evaluation Index

4

Research Area: Devices

60GHz

|

5GHz

|

700MHz

RFIC

Scalable

ADC/DAC

Broadband

MODEM IC

with FDE

and

error

correction

High speed

MAC LSI

using

data driven

processor

A-D LayerBaseband LayerRF/Antenna

Layer

1) All Si CMOS RFIC

（（（（500MHz～～～～70GHz））））

2) Frequency Domain

Equalization (FDE)3) Scalable ADC/DAC

Dependable Wireless System

■■■■ ASIC Implementation of Scalable FDE ■■■■ Flash ADC for 60GHz-Band

Communication System

40nm CMOS

■■■■ 60GHz-Band Receiver Front-End CMOS IC

90nm CMOS

All Si-CMOS

Tohoku Univ., Kochi Univ. of Tech.,

Toyama National College of Tech.,

Softbank Telecom

Tohoku Univ.,

Tokyo Institute of Tech.Tohoku Univ., Hiroshima Univ.,

Mitsubishi Electric Corp., NEC

Broadband

SC/MC FFT/IFFT

180nm CMOS

Core size 17.6 mm2

High-speed Digital Equalizer

DAC/ADC Synthesizer

Analog/RFAntenna

High-speed Digital Equalizer

DAC/ADC Synthesizer

Analog/RFAntenna

5bit, 2.3GSps, 12mW Chip size: 2.85mm×0.82mm

Scalable FFT (64 point x 4)

for compensation

Scalable FFT (64 point x 4)

for channel estimation

Weight Calc.

+ etc.

RAM

RAM

4.7 mm

5

Research Area: Network

High S/N

Low S/NCellular

(MBWA)

WLAN

Hetero-Network JointH2H, H2M, M2M

Information network &

Control network

Dependable Air

Interface

(1) Universal RF

(2) FDE

(3) Scalable

A/D & D/A

SC

data

Channel

Select

MC

Mod.

Demod.+ FEC

data

Control Channel

Channel

Estimation

MBWA

ワイヤレスワイヤレスワイヤレスワイヤレスディペンダビリティ計測ディペンダビリティ計測ディペンダビリティ計測ディペンダビリティ計測

Universal RF TxModule

WLAN

WPAN

Scalable D/A Converter

Dependable FDE

TxBaseband Module

Dependable FDE

Rx Baseband Module

Scalable A/D Converter

Universal RF Rx Module

WPAN

(3) Hybrid Single/Multi

Carrier Modulation+ Optimum modulation

for distance, S/N, BER

+ Improving connectivity

(2) Hetero-Network

System Handover+ High mobility

+ Optimum channel selection

All Si CMOS

(1) Wireless Dependability

Measurement Using

Frequency Domain Channel

Estimation Method+ Measuring multi channel functions

simultaneously: distance, S/N, BER

+ Selection of optimum channels

after channel compensation

High-speed Digital Equalizer

DAC/ADC Synthesizer

Analog/RFAntenna

Wireless Dependability

Measurement

6

Members

Hiroshima Univ.

(Prof. Fujishima)

(with Softbank Telecom)

(1) All Si CMOS

RFIC

（500MHz ～ 70GHz）

Kochi Univ. of Tech.

(Prof. Iwata)

Tokyo Institute of Tech.

(Prof. Matsuzawa)

(3) Scalable

ADC/DAC

Tohoku Univ.

Kochi Univ. of Tech.

(Prof. Iwata)

Mitsubishi Electric Corp.

Toyama National College of Tech.

(Assoc. Prof. Oguma)

(2) Broadband

FDE

Tohoku Univ.

Rx LSI : Tohoku Univ. Mitsubishi Electric Corp.

Tx LSI : Tohoku Univ. (with NEC)

Agreement

(NDA and patent)

Tohoku Univ.

Mitsubishi Electric Corp.

NEC

Softbank Telecom

(Extended 2)

Dependable Network

Processor

(Extended 3)

Dependable

Heterogeneous Network

for Big Disaster

(Extended 1) Beam Forming Antenna: Tohoku Univ.

Discussion

Devices and Circuits for Dependable Air

Network for Dependable Air

Tohoku Univ. Tohoku Univ.

7

Extended Dependable Air:Joint Terrestrial & Satellite Communication

10M1M100k10k

10m

100m

1000m

Bluetooth

802.15.1

PHS

PDCW-CDMA

cdma2000

802.11

802.11a/g

UWB

RF-ID

Zigbee

802.15.4

802.11n

HSPA

802.16e

802.20

cdmaOne

Narrowband Broadband

TDMA CDMA

100M 1G

802.11b

mmWave

802.15.3c

VHT SG

LTE

LTE-Advanced

OFDMA

10G

physical distribution

car/ITS

・・・・・・・・・・・・・・・・・・・・・・・・

smart grid

medical

plant control

farming/

fishery/forestry

home

network

broadcast/communication

network

Cellular

Short range

distance

Wireless LAN

Wide area

Highthrouput

Ultra highthroughput

throughput [bit/s]Standard

IEEE (IP friendly)

Non IEEEStandard

IEEE (IP friendly)

Non IEEE

TxPower 1W

(2GHz band)

DependableAir PlatformMuti-mode/Multi-band

Module

High-speed D igital Equalizer

DAC/ADC Synthesizer

Analog/RFAn tenna

High-speed D igital Equalizer

DAC/ADC Synthesizer

Analog/RFAn tenna

10010

Quasi-Zenith Satellite

Communication

10000km

100000km