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Nikkei Network

April 2005

FEATURE 1

Now is the Time to Become Proficient at Wireless Networking
Master the new technologies of OFDM, MIMO, and UWB with a thorough understanding of the basics

- Wireless communication systems have made their way into every corner of our lives. But despite their increasing importance, these technologies are somewhat difficult to get hold of.
This article helps readers gain a thorough understanding of a wide range of key issues related to wireless networking, including current trends, basic skills, and latest technologies. Seize this opportunity to become knowledgeable about wireless networking.


Part 1: Understanding the Latest Trends
Wireless technologies are undergoing drastic changes

Part 2: The Worlds Easiest-to-Understand Course on Wireless Networking
Understand the mechanism for transmitting data, by imagining radio waves

Part 3: Mastering the Latest Technologies
Three key high-speed technologies that realize next-generation wireless systems
- OFDM (orthogonal frequency division multiplexing): Realizes parallel transmission of data over multiple simultaneous carriers
- MIMO (multi-input multi-output): Transmits data from multiple antennas at the same time
- UWB (ultra-wideband): Achieves a speed of 1G bps using pulses

Boxed Articles
- Reasons why it is necessary to manage allocation of frequencies



FEATURE 2

Teaching with Heart and Soul
A Course for Learning about the Allocation of IP Addresses

- Somehow IP addresses seem so difficult to you, even though you know that you should be able to understand them. You want to study them, but you dont know how you should go about it. If this describes you, you should definitely read this article about the allocation of IP addresses.
Under enthusiastic coaching of a master, you can acquire skills that will help you at the workplace.
And once you get advanced-level skills, youll break free from any notion that you have trouble dealing with IP addresses.


Beginners Level
- Acquire practical skills for allocation of IP addresses

Intermediate Level: Terminals
- Understand the meaning of addresses that are assigned to network devices


Upper Intermediate Level: Corporate Networks
- Learn how to allocate blocks of IP addresses in a way that is easy to manage

Advanced Level: WAN Services
- Learn how to use a small number of IP addresses effectively


ESCAPING FROM TROUBLE

A Cause of Trouble is Found Accidentally
- When introduction of ADSL negatively affected the sound quality of an IP phone call and disconnected a wireless LAN

 

 

Nikkei Network

April 2005

FEATURE 1

Now is the Time to Become Proficient at Wireless Networking
Master the new technologies of OFDM, MIMO, and UWB with a thorough understanding of the basics

- Wireless communication systems have made their way into every corner of our lives. But despite their increasing importance, these technologies are somewhat difficult to get hold of.
This article helps readers gain a thorough understanding of a wide range of key issues related to wireless networking, including current trends, basic skills, and latest technologies. Seize this opportunity to become knowledgeable about wireless networking.


Part 1: Understanding the Latest Trends
Wireless technologies are undergoing drastic changes

Part 2: The Worlds Easiest-to-Understand Course on Wireless Networking
Understand the mechanism for transmitting data, by imagining radio waves

Part 3: Mastering the Latest Technologies
Three key high-speed technologies that realize next-generation wireless systems
- OFDM (orthogonal frequency division multiplexing): Realizes parallel transmission of data over multiple simultaneous carriers
- MIMO (multi-input multi-output): Transmits data from multiple antennas at the same time
- UWB (ultra-wideband): Achieves a speed of 1G bps using pulses

Boxed Articles
- Reasons why it is necessary to manage allocation of frequencies



FEATURE 2

Teaching with Heart and Soul
A Course for Learning about the Allocation of IP Addresses

- Somehow IP addresses seem so difficult to you, even though you know that you should be able to understand them. You want to study them, but you dont know how you should go about it. If this describes you, you should definitely read this article about the allocation of IP addresses.
Under enthusiastic coaching of a master, you can acquire skills that will help you at the workplace.
And once you get advanced-level skills, youll break free from any notion that you have trouble dealing with IP addresses.


Beginners Level
- Acquire practical skills for allocation of IP addresses

Intermediate Level: Terminals
- Understand the meaning of addresses that are assigned to network devices


Upper Intermediate Level: Corporate Networks
- Learn how to allocate blocks of IP addresses in a way that is easy to manage

Advanced Level: WAN Services
- Learn how to use a small number of IP addresses effectively


ESCAPING FROM TROUBLE

A Cause of Trouble is Found Accidentally
- When introduction of ADSL negatively affected the sound quality of an IP phone call and disconnected a wireless LAN