designing a wireless network phần 5 pot
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)
152 _wan_04 6/22/01 3: 35 PM Page 152
Identifying Evolving Wireless Technologies and Standards ... can
authenticate a wireless device against a list of MAC addresses.This list
could reside locally on the AP, or the authentication could be checked
against a database of allo...
designing a wireless network phần 1 pot
... 45
Generic Radio Components 45
Antennas 49
Omnidirectional Antennas 50
Directional Antennas 51
Base Stations and Mobile Stations 56
Access Points 57
Channelizing the Frequency Spectrum 57
Channelizing ... technology.
Around the same time that Faraday worked with electromagnetism,
an American professor named Joseph Henry became the first person to
transmit a practical electrical s...
designing a wireless network phần 6 potx
... their
greatest weaknesses.The same can be said when examining the attributes
of a wireless network. Both mobility and ease of access are touted as
some of the greatest characteristics available when ... monitoring.
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152 _wan_ 05 6/21/01 3:22 PM Page 1 75
152 _wan_ 05 6/21/01 3:22 PM Page 208
188 Chapter 5 • Designing a Wireless Network
Creating a Detailed...
designing a wireless network phần 9 potx
... of raw data passed through a link or
network and includes both overhead signaling data as well as user
data.Throughput refers to the actual amount of user data passed
through the link or network.
Q: ... (Wireless)
Unfinished Basement
Stairs
and
Hall
Stairs
and
Hall
152 _wan_09 6/22/01 3:06 PM Page 330
Designing a Wireless Home Network: Home Office Case Study • Chapter 9 3 15
ad...
how to cheat at securing a wireless network phần 5 potx
... distinct channels within that wireless
topology. Similarly, adjacent channel spacing and active channel separation play an
important role when planning and deploying a wireless network. These aspects ... with
Teacher's broadcast WEP key
Discarded due to
broadcast WEP mismatch
Accepted
Accepted
Trunk
AP
Per-VLAN Authentication and Encryption
Each VLAN can have its own authenticatio...
designing a wireless network phần 2 pptx
... induce magnetic fields.Therefore, alternating
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152 _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 ... the
signal cannot penetrate metal. Assume you have a metal sphere. As an
EM wave hits the leading edge of the sphere, it acts like an antenna, and
the wave induces a voltage in the m...
designing a wireless network phần 3 ppt
... 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
flat antenna that can be mounted ... 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 A...
designing a wireless network phần 4 pptx
... GHz
5. 15 - 5. 25 GHz 40 5. 200 GHz
44 5. 220 GHz
48 5. 240 GHz
USA U-NII Middle Band 52 5. 260 GHz
5. 25 - 5. 35 GHz 56 5. 280 GHz
60 5. 300 GHz
64 5. 320 GHz
USA U-NII Upper Band 149 5. 7 45 GHz
5. 7 25 - 5. 8 25 ... maintaining
IP addresses, you can get the details necessary to obtain a range. In
North America, South America, the Caribbean, and sub-Saharan
Africa,...
designing a wireless network phần 7 ppt
... functional
boundary of the warehouse naturally makes it a separate subdomain.The
www.syngress.com
152 _wan_07 6/21/01 3: 25 PM Page 239
234 Chapter 7 • Designing a Wireless Industrial Network: Retail Case ... Office
Office
Office
Break
Room
AP
AP
152 _wan_06 6/21/01 3:24 PM Page 219
Designing a Wireless Enterprise Network: Hospital Case Study • Chapter 6 2 25
Place the dir...
designing a wireless network phần 8 ppsx
... academic areas of
the campus. At this time, only three academic areas are addressed.The
planned network must be easy to adapt as these areas of study increase or
change. For example, the Math and ... Athletic department may
have functional groups of coaches, players, and the press.The
Administrative department may designate a Financial functional group, as
well as Student Records and Mana...
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