Technical Magazine forRadio Communications andHigh Frequency

Japan's only magazine specialized
in Radio Frequency

Media Data
2017

The RF-world magazine explains technologies
both wireless and high frequency.

Digital TV
Broadcast

Cellular Phone
Systems

Build Wireless
LAN systems

Introducing RadioScienceA primer for RFequipment

Lowpower RF data
communications

Radiowaves andTraffics

Experience Making
and ExperimentRadiowave
Propagations

Vector Network
Analyzers

Cellular Antennas

Mesuring Radiowaves,
Using Radiowaves

A primer for measuring
radio euipment

Design/Buid ofsmall Antennas

Satellites and Radio
Communications

Antenna techs formobile terminal

Complete study of
3.9G/LTE

New concept ofmeasuring equipment

Terrestrial microwave
communications

PLL frequency
synthesizers

Ships and RadioSystems

A teardroplessprimer for SDR

Pi over 4 shift
QPSK

Wireless LANs
afleshNew RadioSciences

Vector NetworkAnalyzers

LabVIEW andUSRPs

Build microwave
circuits

Widebandoscilloscopes

A primer for Error
Correction Codes

A road to the 5G

A teardroplessprimer of ECC

http://www.cqpub.co.jp/

http://www.rf-world.jp/

Based on web enquete

The reader: People who would like to learn technology ofwireless and high frequency for professional needsOccupation
Personeel dept./
Education
2%
Sales/
Support3%

Type of bussiness

Production/Prod. Mngmt. 1%

Other 19%

Management6%
Maintenance 7%

Aguriculture,Forestry and Fisheries 3%
Misc. manufacturing 2%
Chemical/Energy 1%
Construction/Properties 1%

Government/Public
services 3%

Student 1%

Design/Engineering＊
24%

Transportations
3%

Other 12%

Research/Development＊
20%
Engineering＊
dept.
16%

6 0 % of readers＊ are related to
R&D, Engineering department

Range of age

Schools/
Laboratories
5%

Instrumentation/
Machines/Precious
Machines 8%30〜39years old15%

Electronics
equipment/
parts 30%Communications/Electronic Networks 15%
DataServices
10%

Misc.
services 7%

20〜29 years old 3%

Main type of business: Electronic parts,
Communications, Network, EDS

40〜49 years old
33%

60〜69
years old
16%
50〜59 years old33%

Most readers are age 3 0 to
5 9, Middle persons who
rustle in engineering

Profile of typical readers:
I do'nt understand theterminal equipment side,although I'm in charge ofmanagement of cellularbase stations, So I use"RF-world" as study aid ofprincipal knowledge.

Communications/Network enginner

I take charge of design
terrestrial TV sets.
Recent TV tuner module
seem like a blackbox.
I read "RF-world" in orderto understand inside
tuner module s.

I'm developing a traffic
management system that uses
wireless LAN. It's important forme to understand propagationof radiowaves to develop
reliable system. That's why
I became a reader of "RF-world"

Engineer of Electrical Equipments/parts

Participant in Electronic Data Services"RF-world" is not enough tostudy my professional
knowledge, but suitable
to study outside my field.
It's crucial to know spectral
usage in order to share
spectrum with others.

Other related personHere are differences of the RF-world magazine!
[ 1 ] Broader coverage of readers ratherthan treatises.
The RF-world magazine is read by broad coverage ofreaders who work for electronic equipment, electroniccomponents, communications network, Electronic Data
Ser vices, Instrumentation, Precious equipment,Government, Public services, Schools, Laboratories, misc.
services.

[ 3 ] It's not a trade magazine but atreatise features RF.

Navigation

Satelites

Science Mobile

CATV

Broadcast

Coverage of TradeMagazine[ 2 ] It's comprehensible rather thantreatises.
Articles on the RF-world magazine are assumtioned that anexpert describes one's field to another experts who are notexpert of the field. So, readers feel that it's comprehensive.

Even I could
undestand !

Wireless/High Frequency
Communications,
Broadcast, CATV,
Satelites,
Navigation, Science

Coverage of the
RF-world magazine[ 4 ] "Transistor Gijutsu" features circuit
enginerring, "RF-world" featuressystem engineeringYear 2017 :Keywords for wireless and high frequency
5G: The ﬁfth generation of mobile communications services
1000x of LTE

Entertainment

HigherCapacity

Smart-Grid

FasterCommunications

Lower
latency

5G10Gbps

Massive TerminalConnections100x of LTE

from 5ms to
below 1ms

Smart-Houses

Low cost andPower savings

e-Health

Decrease power consumption
both network and terminals

Smart-Cars

IoT: Internet of Things
ByciclesAgriculture

Airplanes

Vehicles

Stockbleeding

Shippping

Trashes

Flower pots

InternetInternet
Factory
Oﬃice

keys

Telephones

Airconditioners

PCs

Wireless Power Transfer Systems
PC
Put it on table
to charge

Charge during driving

Charge during
Parking

Smartphones

RF Power

RF Power
RF PowerJapan's only magazine specialized in Radio Frequency!
The RF-world explains technologies of wireless and high frequency

The readers of RF-world magazine are professionals
who would like to spread one's knowledge
Who would like toread RF-world?

Today, digital systems are in its glory.
Although professional know one's ﬁeld well,they may feel technologies of one's outside
are veiled.

what kind of readers
was RF-world aim at?
Who read RF-world
magazine?

What kind ofpeople that are
assumed as readerof the RF-world
magazine?

1
The reader of RF-world is the people that exclusively
involved in wireless and high frequency as a profession.
Developing
hardwaresfor DSP/FPGAs

I'm planning
Smartphoneapplications

I'm designingsimulator

Wow !
I ca'nt
understand them

Guard Interval?
Inter Symbol Interference?
Delay spread
CDF? LDPC?
Turbo code? W-CDMA?
LTE-Advanced?
VoLTE? FDD?
TDD? PAPR?
Soft decision?

5

In RF-world magazine, experts in a certain
ﬁeld explain to the expert of another ﬁeld.
But to be sure!

Guard Interval is...

understand!

I'm expertof thetechnology.

2
Nowadays, the world of wireless and high frequency applications
based on digital technology has specialized and sophisticated.
I can't comprehend
error correction
software.

WirelessHighFrequency

If I hadknowledge ofhardware...

I'd like to know
propagation andwireless systems.

'sThat ht.
rig

There is a limit in the vertical digging todeepen the knowledge of a specialized ﬁeld.
There is a limit to the boring survey.
It might be noticed by digging around.
Even if thevertical digging
a professional only

It havelimitations

Whole comes intoview when the dig
and its surroundings
area of expertise3

The analog era did not progressing subdivision of technology.
So, it's easy to comprehendnd outside of one's professional ﬁeld.

Once upon a time
was a simple.
Radios are either
AM or FM Radiocommunications
are in CW or SSB.
TVs are NTSC
systems.

6

Digital moduration is either
ASK, FSK, or QPSK.
Error correction isparity check or ARQ.

47
Although RF-world magazine is insuﬃcient to experts deepen theirown area of expertise, RF-world magazine is ideal for professionals
to learn widely the technology of peripheral disciplines.

I could to grab
the wholesystems!

I could apply
technologiesof others.

I became topredictthe future.

8

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Title
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RF-World
Year 2 0 0 8
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Contact：Masayuki Chiba e-mail： chiba@cqpub.co.jp
TEL. +81-3-5395-2901
CQ Publishing Co., Ltd. 4-29-14 Sengoku Bunkyo city Tokyo 112-8619

FAX. +81-3-5395-2104
http://www.cqpub.co.jp