... Spectrum Technology 47
Uses of Spread Spectrum 48
Wireless Local Area Networks 48
Wireless Personal Area Networks 49
Wireless Metropolitan Area Networks 49
FCC Specifications 49
Frequency Hopping ... popular networking certification programs leave off:
wireless LANs.
Your study of wireless networking will help you bring together two fascinating worlds of
technology, because wireless networks ...
Chapter 3
Introduction to Wireless LANs 1
The Wireless LAN Market 2
Today’s Wireless LAN Standards 3
Applications of Wireless LANs 3
Access Role 4
Network Extension 5
Building-to-Building...
... tất cả các thiết bị wireless mới được chứng
nhận bởi Wi-Fi Alliance
Wireless VLANs
Personal Wireless Security
Bảo mật wireless điển hình được chia thành 2 loại:
Personal wireless security: ...
một thành phần của mạng
wireless.
WPA Enterprise Security
TKIP Encryption
Personal Wireless Security
Lịch sử của WIFI
Sau thời gian ngắn phát hành 2 chuẩn mạng wireless 802.11b và 802.11a, ... về việc làm thế nào để công nghệ wireless mới này được chấp nhận
trên thị trường Một nhómcác nhà sản xuất thiết bị và phần mềm wireless
được thành lập tên là Wireless Ethernet Compatibility...
... the quality of the voice/
Wireless Networks362
Figure 13.9 DCF state machine [18]
13
Simulation of Wireless Network
Systems
This chapter deals with simulation of wirelessnetwork systems. We introduce ... tree in a fully connected network has 1 root node and (V 2 1) leaf nodes. This
Wireless Networks374
Figure 13.22 Sparse string network
Figure 13.23 Fully connected network
... machine.
We have simulated a data combined with voice network and data combined with video
network operating in a WLAN environment. The network has 20 wireless stations transfer-
ring data and numerous...
... Computers and Networks 9
Inventing Cell Phones 11
Exploring Present Applications for Wireless 12
Applying Wireless Technology to
Vertical Markets 13
Using Wireless in Delivery Services 14
Using Wireless ... 14
Using Wireless in the Financial World 15
Using Wireless in the Retail World 15
Using Wireless in Monitoring
Applications 16
Applying Wireless Technology to Horizontal
Applications 16
Using Wireless ... modern trends in
wireless communications have developed and how business and the
private sector utilize wireless networks; and discuss how that service is
delivered.
Introduction to Wireless: From...
... arrived from some network. This allows
you to develop and test networking software without ever using a "real" network. The loopback network also
allows you to use networking software ... machine to another across the network.
The switching occurs as the datagram is carried across each link in the network. A packet-switched network
shares a single network link among many users ... system. The
network is almost transparent here.
Another very important application in TCP/IP networks is NFS, which stands for Network File System. It is
another form of making the network transparent,...
... thank
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12 Chapter 1 • The Wireless Challenge
www.syngress.com
Figure 1.4
Wireless Mobile Office
Wireless Network
Transmitter
E-Mail
Application
Server
Wireless ... Corporation.
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The Wireless Challenge • Chapter 1 19
www.syngress.com
Figure 1.6
Wireless Access
Wireless
Access Point
Cabled LAN User
Server
Wireless
LAN ... Limited
to Desk
Range of Access:
Wireless LANs: Up to 100 Meters
3G Wireless: Several Miles
Figure 1.7
Roaming Between Access Points
Wireless
Device
Wireless
Access Point #2
Wireless
Access Point #1
Direction...
... for network operators delivering voice,
video and data services over wireless, wireline
and cable networks. Learn more at
www.adc.com/professionalservices
10/05 • 101535AE
Assessment Tool for Wireless ... week?
Wireless Expertise
Does the professional services provider have demonstrated experience in wireless
networks?
Does the professional services provider understand the business drivers in the
wireless ... intra-office network elements?
Validate network readiness?
Provide documentation?
Network Inventory and Audit
Does the professional services provider provide network inventory and audit services?
Can...
... following:
a) MN visits new network
b) New network obtains the address of old network
c) New network requests context transfer to old network
d) Old network transfers context of MN to new network
e) After ... PRF.
5
a network manager can use either an open or a closed network.
In an open network, anyone is permitted to join the network.
In a closed network, only those clients with knowledge of
the network ... visiting network and home network may not have explicit
an trust relationship, but intervening networks might form a
chain of trust between them. Accounting and billing at the
visiting network...
... WirelessNetwork Watcher - Phần mềm phát hiện
câu trộm Wifi
Wireless Network Watcher - Phần mềm phát hiện câu trộm Wifi sẽ giúp bạn ... nhanh chóng phát hiện và khắc phục tình trạng này, bạn có thể nhờ cậy Wireless
Network Watcher.
Link download: WirelessNetwork Watcher
Tải xong, bạn chỉ việc giải nén và chạy file WNetWatcher.exe...
... of sight 22
Power 24
Physics in the real world 26
Network Design 27
Designing the physical network 51
802.11 wireless networks 54
Mesh networking with OLSR 56
Estimating capacity 65
Traffic ... relationship.
Contents
Where to Begin 1
Purpose of this book 2
Fitting wireless into your existing network 3
Wireless networking protocols 3
Question & Answer 5
A Practical Introduction ... (http://seattlewireless.net/~mattw/) provided technical re-
view and copy edit support. Matt is the founder of SeattleWireless
(http://seattlewireless.net/) and is an evangelist for FreeNetworks worldwide.
About...
... protected wireless setup. An open wirelessnetwork exists on the outside of the firewall. Clients
connect to the open wireless network. The firewall allows all clients on the open wirelessnetwork ... me”
•
“Nobody will find my wirelessnetwork
Wireless Security
Misconceptions
31
Above are what I believe to be the most common 5 wireless security misconceptions. Now, some wireless security is better ... http://en.fon.com/
9
FON is an interesting social networking concept (and I mean that in the techie networking way, and the social networking way). You can buy a
wireless access point from FON for as little...
... (or go to Start > Control
Panel > Network)
2. Select your Wireless LAN Card, right click on the icon and select “Properties”. Click on Wireless
Network tab.
3. Select the Access ... Windows XP Wireless Utility as an example.
2. Right click on “My Network Places” on your desktop and select “Properties” (or go to Start >
Control Panel > Network) .
3. Select your Wireless ... Windows XP Wireless Utility as an example.
2. Right click on “My Network Places” on your desktop and select “Properties” (or go to Start >
Control Panel > Network) .
3. Select your Wireless...