wireless personal area network wpan applications
Low Rate Wireless Personal Area Networks
Ngày tải lên :
13/09/2012, 10:52
... speed
Wireless Communications
Low Rate Wireless Personal Area
Networks
2
Objectives
ã
Describe a wireless personal area network (WPAN)
ã
List the different WPAN standards and their
applications
ã
Explain ... and ZigBee work
ã
Describe the security features of low-rate WPAN
technology
3
What is a WPAN?
ã
Wireless personal area network (WPAN)
Group of technologies that are designed for short-
range ... 4
What is a WPAN? (continued)
ã
Applications for WPAN technology include
(continued):
Industrial control systems
–
Location...
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High Rate Wireless Personal Area Networks
Ngày tải lên :
13/09/2012, 10:52
... (continued)
Wireless# Guide to Wireless Communications 18
Additional MAC Layer Functionality
(continued)
Wireless Communications
Chapter 6
High Rate Wireless Personal Area
Networks
Wireless# ... present
in the same order in every frame
Wireless# Guide to Wireless Communications 15
802.15.3 Network Topology (continued)
Wireless# Guide to Wireless Communications 27
Ultra Wide Band (UWB)
ã
Allows ... corrected
–
Also called error correction (FEC)
Wireless# Guide to Wireless Communications 26
Mesh Networking (802.15.5)
(continued)
Wireless# Guide to Wireless Communications 28
How UWB Works
ã
UWB...
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wireless personal area networks - performance, interconnection, & security with ieee 802.15.4
Ngày tải lên :
25/03/2014, 12:14
... state is θ
0
=
(
γδ/P
a
)
π
0
, where we make use of the probability
Part I
WPANS and 802.15.4
Wireless Personal Area Networks: Performance, Interconnections and Security with IEEE 802.15.4 J. ... 292
A.3 Network Topologies and Routing 293
A.4 Security 295
Appendix B Probability Generating Functions and Laplace Transforms 301
Bibliography 302
Index 311
10 PROLOGUE: WIRELESS PERSONAL AREA NETWORKS
1.4.2 ... protocol (O’Hara and Petrick 1999) is, strictly speaking, intended for
wireless local area networks (LANs), rather than wireless ad hoc networks. However, it
is interesting to examine it in some detail,...
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Wireless Local Area Networks
Ngày tải lên :
13/09/2012, 10:52
... wired network interface port
ã
AP functions
Wireless communications base station
Bridge between the wireless and wired networks
6
Wireless Network Interface Card
(continued)
5
Wireless Network ... of wireless clients and an AP
ã
Extended Service Set (ESS)
Two or more BSS wireless networks installed in same
area
–
Provides users with uninterrupted mobile access to the
network
ã
All wireless ...
communicate among themselves
Wireless Communications
Wireless Local Area Networks
4
WLAN Components
ã
Minimal hardware needed for a WLAN
Computer
ISP
Wireless network interface card
Access...
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Wireless Metropolitan Area Networks
Ngày tải lên :
13/09/2012, 10:52
... a WMAN?
ã
Wireless metropolitan area networks (WMANs)
Provide wireless connectivity across a substantial
geographical area such as a large city
ã
WMANs primary goals
Extend wired networks beyond ... Wireless Communications
Wireless Metropolitan Area
Networks
14
Multichannel Multipoint Distribution
Service (MMDS)
ã
Multichannel multipoint distribution service (MMDS)
Fixed broadband wireless ... other
ã
Fixed wireless
Wireless as the last mile connection for buildings
ã
Backhaul connection
Companys internal infrastructure connection
20
WiMAX Applications (continued)
ã
Applications...
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Describe wireless wide area networks (WWANs) and how they are used
Ngày tải lên :
13/09/2012, 10:52
... CDMA2000 1xRTT networks
25
Binary Runtime Environment for
Wireless (BREW)
ã
BREW is a thin software environment
Very small program that resides on a wireless device
ã
Capable of running applications ... 144 Kbps packet data transmission
2
Objectives
ã
Describe wireless wide area networks (WWANs) and
how they are used
ã
Describe the applications that can be used on a digital
cellular telephone
ã
Explain ... 4
Cellular Telephone Applications
(continued)
ã
Short Message Services (SMS)
One of the most widely used applications
–
Allows for the delivery of short, text-based messages
between wireless devices
ã
Messages...
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LÝ THUYẾT VỀ MẠNG LAN (LOCAL AREA NETWORK)
Ngày tải lên :
25/04/2013, 11:58
... nhất được nhận dạng bởi thiết bị hai đầu.
5.4 CÔNG NGHỆ VLAN:
VLAN là viết tắt của Virtual Local Area Network hay còn gọi là mạng LAN
ảo. Một VLAN được định nghĩa là một nhóm logic các thiết bị ... hình native VLAN thì
phải cấu hình ở giao diện vật lý.
CHƯƠNG II
LÝ THUYẾT VỀ MẠNG
WAN (WIDE AREA NETWORK)
I. KHÁI NIỆM :
Là mạng được thiết lập để liên kết các máy tính của hai hay nhiều khu ... trí rất xa nhau, ví dụ như
những quốc gia khác nhau, thì khi đó ta có mạng diện rộng WAN(Wide Area
Network)
Trang
NGUYỄN ĐÌNH CÔNG – 36CLTH
2929
V./. CÁC CÔNG NGHỆ MẠNG LAN :
5.1. CÔNG NGHỆ CHUYỂN...
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Personal Area Networks (PANs)
Ngày tải lên :
29/09/2013, 21:20
... and Heile R. F. Paving the Way for Personal Area Network Standards: an
Overview of the IEEE P802.15 Working Group for Wireless Personal Area Networks, IEEE Personal Commu-
nications, February, ... versions 1.2 and 2.0
11
Personal Area Networks (PANs)
11.1 Introduction to PAN Technology and Applications
11.1.1 Historical Overview
The concept of a Personal Area Network (PAN) differs from ... Distributed Topology Construction for Bluetooth
Personal Area Networks, in Proceedings of IEEE INFOCOM, 2001, pp. 1577–1586.
[13] The HomeRF Working Group, Wireless Networking Choices for the Broadband...
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Wireless Local Area Networks
Ngày tải lên :
29/09/2013, 21:20
... improve-
ments.
9.7 Summary
In this chapter we cover the area of Wireless Local Area Networks by focusing on a number
of issues:
†
WLAN topologies. The two types of wireless LAN topologies used today are the ... Local Access: Wireless LAN and Wireless ATM, IEEE Commu-
nications Magazine, November, 1997, 34–40.
[15] Geier J. Wireless LANs, Implementing Interoperable Networks, Macmillan Network Architecture ... summarized
below:
†
Throughput. Although this is a general requirement for every network, it is an even more
Wireless Local Area Networks 245
Figure 9.5 Example of frequency reuse
ẵ2
21I
Ê ranfị Ê Slot_time,...
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Chapter 13 :Local Area Network Technology potx
Ngày tải lên :
06/03/2014, 09:21
... 802.3) at 10Mbps
❚
50 ohm cable
Wireless LANs
❚
Mobility
❚
Flexibility
❚
Hard to wire areas
❚
Reduced cost of wireless systems
❚
Improved performance of wireless systems
William Stallings
Data ...
constant
❚
Significant increase in maximum ring size
Wireless LAN Applications
❚
LAN Extension
❚
Cross building interconnection
❚
Nomadic access
❚
Ad hoc networks
... performance of wireless systems
William Stallings
Data and Computer
Communications
Chapter 13
Local Area Network
Technology
LLC Protocol
❚
Modeled after HDLC
❚
Asynchronous balanced mode to support...
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