mcgraw hill wireless data demystified phần 10 docx
mcgraw hill wireless data demystified phần 10 docx
... 4 Rx)
New scheme (2 Tx, 1 Rx)
New scheme (2 Tx, 2 Rx)
5101 520253035404550
Average S/N (dB)
P
b
(BER)
10
–6
10
–5
10
–4
10
–3
10
–2
10
–1
10
0
Figure 23-6
Performance
comparison between
STBC ... that envelopes the person.
529
GLOSSARY
10 Base-T Basic Ethernet at 10 Mbps.
100 Base-T Ethernet running at 100 Mbps.
100 0 Base-T Ethernet running at 100 0 Mbps.
1G First gen...
mcgraw hill wireless data demystified phần 4 docx
... message
Aggregate
message
Control plane
Data plane
Figure 6-8
The gateway internal
structure.
Architecting
Wireless Data
Mobility Design
7
CHAPTER
7
Copyright 2003 by The McGraw- Hill Companies, Inc. Click ... vari-
ous values of the
TimeOut (b ϭ 102 4
kb, r ϭ 256 kbps,
B ϭ 3).
186
Part 2: Planning and Designing Data Applications
Once you have planned and designed your wireles...
mcgraw hill wireless data demystified phần 5 docx
... extrapolate these forward. Key for
the fixed wireless data arena is the requirement for ubiquitous and
high-speed wireless data access to the home. The wireless data industry
is still some way from realizing ... MAI-free
M-seq 4-use RAKE
Gold 4-use RAKE
CCC 4-use recursive filter
10
–5
10
–4
10
–3
10
–2
10
–1
012345
E
b
/N
0
(dB)
678 910
BER (for the first user)
Figure...
mcgraw hill wireless data demystified phần 7 docx
... columns or tables and wireless data distribution to a
database with schema differences.
Rule-Based Wireless Data Sharing
Allocating wireless data among users streamlines data flows and mini-
mizes ...
(Motorola transportation data (nationwide),
DataTAC) support, in-building 9.6 kbps
wireless (limited)
BellSouth Two-way paging, dispatch, 900 MHz (12.5 kHz) 4.8 kbps
wireles...
mcgraw hill wireless data demystified phần 1 pps
... vendors of wireless hand-held devices to support wire-
less data IP.
17
vi
Contents
The Wireless Data Marketing Movement 92
The Mobile Wireless Data Markets 100
Conclusion 105
References 107
Chapter ... greater
productivity. Their wireless PC cards communicate directly with each
other and without a wireless data access point.
Wireless Data
Demystified
John R. Vac...
mcgraw hill wireless data demystified phần 2 pptx
... equipment among a number
of wireless data stations. Over time, the wireless data stations served by
Chapter 3: Services and Applications over Wireless Data Networks
wireless data services. Instead, ... offers integrated wireless data capabilities.
The flurry of enterprise wireless data activity here is in stark contrast
to the wireless data world in Europe and Japa...
mcgraw hill wireless data demystified phần 3 potx
... state of
high-speed wireless data standards. The following are standards for
next-generation high-speed wireless data connectivity:
Wireless data LANs
Fixed broadband wireless data
Universal Mobile ... railway
environment.
112
Part 1: Overview of Wireless High-Speed Data Technology
802.11g High-Speed Wireless Data Standard
Recently, the IEEE 802.11 Task Group G approve...
mcgraw hill wireless data demystified phần 6 ppt
... power (dB)
–40
–30
–20
10
0
Figure 10- 4
Portable node experi-
mentation and mea-
sured BER.
U.S Specific
Wireless Data
Design
12
CHAPTER
12
Copyright 2003 by The McGraw- Hill Companies, Inc. ... Handbook, McGraw- Hill,
2001.
3. John R. Vacca, Satellite Encryption, Academic Press, 1999.
4. John R. Vacca, i-mode Crash Course, McGraw- Hill, 2001.
Chapter 12: U.S Specific Wirel...
mcgraw hill wireless data demystified phần 8 potx
... 000
D1
001
K1
010
D2
011
D3
100
D4
101
K2
110
D5
111
D6
Client byte
stream
Octet # 000
1.001.C1
L
1
001
0 .101 .C2
010
D1
011
D2
100
D3
101
D4
110
D5
111
D6
65B code
stream
Octet # 000
D1
001
K1
010
D2
011
Buffer
underflow
100
D3
101
K2
110
D4
111
D5
Client ... 000
D1
001
K1
010
D2
011
Buffer
underflow
100
D3
101
K2
110
D4
111
D5
Client byte
stream
Octet # 000...
mcgraw hill wireless data demystified phần 9 ppt
... 2.4 2.4 5 2.4
GHz
Data rate, Mbps Up to 55 Up to 22 Up to 54 1
Current drain, mA Ͻ80 Ͻ350 Ͼ350 Ͻ30
Number of video 4 2 (see QoS) 5 (see QoS) None
channels
Range, m 10 100 100 10 100
Regulatory:
North ...
Residential
Wireless Data
Access Technology
21
CHAPTER
21
Copyright 2003 by The McGraw- Hill Companies, Inc. Click Here for Terms of Use.
Chapter 19: Configuring Broadband W...
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