designing a wireless network phần 2 pptx
designing a wireless network phần 2 pptx
... induce magnetic fields.Therefore, alternating
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1 52_ wan_ 02 6 /21 /01 2: 58 PM Page 24
52 Chapter 2 • Radio Elements and Frequency Spectrums
Yagi Array Antennas
Yagi antennas are named after ... sight.
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Figure 2. 12 Illustration of Multipath Scattering
Signal A
Signal B
Base Station
Mobile Station
Signal A
Signal B
Resulting Signal
1 52_ wan_ 02...
designing a wireless network phần 4 pptx
... maintaining
IP addresses, you can get the details necessary to obtain a range. In
North America, South America, the Caribbean, and sub-Saharan
Africa, the organization responsible is the Address ... for
private addresses.The private addresses are as follows:
10.0.0.0–10 .25 5 .25 5 .25 5, 1 72. 16.0.0–1 72. 31 .25 5 .25 5, and
1 92. 168.0.0–1 92. 168 .25 5 .25 5. In many cases, these addre...
designing a wireless network phần 1 pot
... Questions 21
Chapter 2 Radio Elements
and Frequency Spectrums 23
Introduction 24
Transmitting Radio Signals Over EM Waves 24
Anatomy of a Waveform 25
Modulating a Radio Signal 27
Propagating a Strong ... Wireless LAN Standard? 123
What Exactly Does the 8 02. 11 Standard
Define? 125
Does the 8 02. 11 Standard Guarantee
Compatibility across Different Vendors? 128
8 02...
designing a wireless network phần 3 ppt
... mounted flat on a wall, yet still have the proper-
ties and gain of a directional antenna. Figure 2. 17 shows a planar array
antenna.
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Figure 2. 17 Planar Array Antenna and Associated ... antennas.
Planar Array Antennas
Planar array antennas are similar in concept to Yagi antennas except all
elements, both active and parasitic, lie in the same plane.This results in a...
designing a wireless network phần 5 pot
... Voice/DATA
3G - Broadband
Voice/DATA
3G - Interoperable
Broadband Voice/DATA
(cdma ONE or
IS-9 5a)
(IS-95b)
1 52_ wan_04 6 /22 /01 3:35 PM Page 1 52
Identifying Evolving Wireless Technologies and Standards ... critical in order to
maintain the integrity of the overall network. As a result, you’ll want to
ensure that users gain access at the appropriate place in your network.
1 52_ wa...
designing a wireless network phần 6 potx
... baseline monitoring.
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1 52_ wan_05 6 /21 /01 3 :22 PM Page 175
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188 Chapter 5 • Designing a Wireless Network
Creating a Detailed Service Collocation ... include a detailed topology, detailed physical
design, detailed operations design, and maintenance plan.
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1 52_ wan_05 6 /21 /01 3 :22 PM Page 20 3
Design...
designing a wireless network phần 7 ppt
... Office
Office
Office
Break
Room
AP
AP
1 52_ wan_06 6 /21 /01 3 :24 PM Page 21 9
Designing a Wireless Enterprise Network: Hospital Case Study • Chapter 6 22 5
Place the directional antenna so that the antenna energy ... functional
boundary of the warehouse naturally makes it a separate subdomain.The
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1 52_ wan_07 6 /21 /01 3 :25 PM Page 23 9
23 4 Chapter 7 • Desig...
designing a wireless network phần 8 ppsx
... technology.
Chancellor Jennings creates a committee called the Concerned
Designing a Wireless Campus Network: University Case Study • Chapter 8 27 1
1 52_ wan_08 6 /22 /01 2: 28 PM Page 27 1
Designing a Wireless ... meaning
to the management style “management by walking around.”
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Designing a Wireless Industrial...
designing a wireless network phần 9 potx
... steps.
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300 Chapter 8 • Designing a Wireless Campus Network: University Case Study
A: Signal power and antenna type are the two primary factors in the
range of the signal. ... creep
and delays.
; Administrative issues are just as important as technological
issues.
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1 52_ wan_08 6 /22 /01 2: 28 PM Page 29 8...