multiple access techniques ppt by rappaport
MOB Subject 5 –Access methods Static and dynamic access techniques
Ngày tải lên :
17/09/2012, 09:13
... given by:
Master of Computer Science 1 - MOB Mobile Internet and Surrounding
1/12 Baey, Fladenmuller – Subject 5
MOB Subject 5 Access methods
Static and dynamic access techniques
1. Static access ... peaks of the streetlights. The reduction of cell size accompanied by a
reduction of the power radiated by both points of access by mobile devices. The microcells
may be used in congested areas, ... methods
Static and dynamic access techniques
1. Static access techniques
1.1 Space-division multiple- access (SDMA)
When one seeks to cover a broad territory by a whole of cells of the same dimension, one
considers...
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Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond
Ngày tải lên :
02/03/2013, 16:59
... Standards 46
2.6 Summary 48
3 Multiple Access in Cellular Communication Systems 49
3.1 Multiple Access and the OSI Layers 49
3.2 Basic Multiple Access Schemes 53
3.3 Medium Access Control in 2G Cellular ... with multiple access protocols,which
govern access to these resources. The basic multiple access schemes are briefly described
further below in this section, and the importance of the multiple access ... individual portions of
its resources to support multiple communications, basic multiple access techniques (such
as frequency-, time-, or code-division multiple access, with FDMA, TDMA, and CDMA
as their...
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Tài liệu Data Management and Access Products ppt
Ngày tải lên :
10/12/2013, 17:15
... system.
14
12/02 • 517
Data Management and Access Products
www.adc.com • +1-952-938-8080 • 1-800-366-3891
EIA-530 PatchMate
™
Modules
FRONT ACCESS
PANEL DTE
FRONT ACCESS
PANEL DCE
TEST
EQUIP
BREAKOUT
MODULE
INDICATORS
MONITOR
CIRCUITS
TEST
CIRCUITS
Breakout ... Module without LEDs
FRONTACCESS
PANEL DTE
FRONT ACCESS
PANEL DCE
TEST
EQUIP
BREAKOUT
MODULE
PMBP-530-1 (R)
• Available for connecting, disconnecting, cross-connecting, accessing,
patching, monitoring ... Management and Access Products
www.adc.com • +1-952-938-8080 • 1-800-366-3891
EIA-232/V.24 PatchMate
™
Modules
FRONT
PANEL
ACCESS- 1
TEST
EQUIP-2
MONITOR
CIRCUITS
FRONT
PANEL
ACCESS- 2
TEST
EQUIP-1
INTERFACE
MODULE
Interface...
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Tài liệu Chapter-25-Basic network access-servers ppt
Ngày tải lên :
11/12/2013, 00:15
... virtual host, the server will access the main web pages
(defined by the main DocumentRoot in entry /usr/local/etc/apache /access. conf ).
Log file format
httpd logs accesses and errors to the files ... restrict access to specific directories,
and it’seasier to do that in the file .htaccess in the same directory.
For apache to evenlook at .htaccess,you need to change the configuration file, however:
by ... an adequate security level,
• Ensure that the software is readable by all and writeable only by root. smbd should
be executable by all. Don’tmakeitsetuid.Ifanindividual user runs it, it runs with
their...
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Tài liệu AAA Access Control ppt
Ngày tải lên :
11/12/2013, 13:15
... from multiple vendors usually choose
RADIUSfor its interoperability. Finally, organizations with existing Kerberos access
servers can configure their routers to use those servers to control access ... additional security by requiring an
attacker to both guess the user’s password and steal the smart card or token that is
used to access the system.
Cisco routers don’t support token-based access control ... Associates, Inc. All rights reserved.
50
|
Chapter 5: AAA Access Control
Kerberos Authentication
Kerberos is a network authentication protocol developed by MIT. Kerberos can pro-
vide authentication only....
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Tài liệu CUSTOMER SATISFACTION USING DATA MINING TECHNIQUES ppt
Ngày tải lên :
11/12/2013, 23:15
... criteria.
Prediction level is quite satisfactory resulting that data mining techniques can be successfully combined
with multiple criteria methods.
Using other customer characteristics, such as ... on the criteria (relative importance),
• average satisfaction indexes.
RULE BASED DATA MINING TECHNIQUES
The objective of data mining is to extract valuable information from one’s data, to discover ... patterns of information in data’ (Parsaye, 1997).
Figure 2: Rule Induction process
Data mining techniques are based on data retention and data distillation. Rule induction models (Figure
2) belong...
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Tài liệu CIRED 2003 - Round Table on Magnetic Field Mitigation Techniques ppt
Ngày tải lên :
13/12/2013, 19:15
... current
•Summary
MAGNETIC FIELD GENERATED BY OH LINES
MAGNETIC FIELD GENERATED BY OH LINES
MAGNETIC FIELD GENERATED BY OH LINES
MAGNETIC FIELD GENERATED BY OH LINES
3-WIRE, 3-PHASE MV LINES
4-WIRE, ... implementation
Jean Hoeffelman
ELIA
General field mitigation techniques
General field mitigation techniques
Metallic shielding
Shielding by ferromagnetic materials
Mainly effective neer the shield
Expensive ... magnetic
field levels generated by electrical installations and at
studying possible techniques to reduce their emissions.
The paper illustrates the direct experience acquired by
CESI and ENEL in studying...
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Tài liệu Part 38 - ISA Server - Access Rule ppt
Ngày tải lên :
17/12/2013, 11:15
... lên Rule Web Group KD và chọn
Tab Schedule
14 of 29
Trong Access Rule Sources chọn duy nhất 1 thuộc tính là Internal
Tương tự trong Access Rule Destinations chọn duy nhất 1 thuộc tính là External
Trong ... truy cập được mọi trang Web
20 of 29
Tiếp tục chọn Next
Trong Access Rule Sources chọn duy nhất 1 thuộc tính là Internal
Tuy nhiên trong Access Rule Destinations ta không chọn thuộc tính là External ... 21 để truy cập các dịch vụ HTTP, HTTPS, FTP mà
thôi.
Trong Access Rule Sources chọn duy nhất 1 thuộc tính là Internal
Tiếp đến trong Access Rule Destinations ta không chọn thuộc tính là External...
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Tài liệu ACCESS RULE ppt
Ngày tải lên :
17/12/2013, 13:15
... DNS Query để phân giải tên miền
B1: ISA Management
è Firewall Policy è
New è Access Rule
B2: Gõ “DNS Query”
vào ô Access Rule
Name è Next
B2: Dòng name đặt tên
“vnexpress”
Chọn New, khai 2 ... chọn properties của rule vừa tạo è Schedule è Giai Lao
B4: Chọn
Allow
Limmitted
Web Access
B5: Mở rule Web Access Only. Khảo sát các thông số
Bài viết này thuộc quyền sở hữu
Trung Tâm Đào Tạo ... Protocols” è
Add è Common
Protocol è DNSè OK
è Next
B5: Trong Access
Rule Source” è Add è
Networks è Internal è
add è Close è Next
B6: Trong Access
Rule Destination” è
add è Networks è
External...
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Tài liệu Guide Book - Digital Building Access Guideline ppt
Ngày tải lên :
20/12/2013, 22:15
... carriage service providers and tenants in the
area of building access.
Key issues include:
• Building access is being sought by multiple
carriers and service providers to service tenants
• ... Telecommunications Access Guideline 2002.
August 2002 39
2. PROPOSED BUILDING ACCESS TERMS
Relationship of building access agreement with existing regulation
In many instances, a building access ... avoid disturbance to tenants. Access is best
provided by a hinged-door of standard height to give
reasonable access to the cables.
In the current environment of multiple carriers and
changing...
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Tài liệu Activity 9.4: Identifying Data Access Requirements ppt
Ngày tải lên :
21/12/2013, 06:16
... Data Access Requirements
Exercise 1: Identifying a Data Access Method for a Scenario (10
minutes)
!
Identify data access requirements
1. Participate in small groups as assigned by the ...
Microsoft
®
SQL Server
™
and accessed by Microsoft Excel for
querying and by the Web system for additional lookups. All data is
entered through the Web. New orders are also sent by sending e-mail
to ... easy access in the future.
Solution
A
B
Activity 9.4: Identifying Data Access
Requirements
In this activity, you will first identify the optimal data access...
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