The Cellular Connection 1 phần 2 docx
The Cellular Connection 1 phần 2 docx
... and the voice from the other end of the connection
usually came through a loudspeaker. You couldn’t dial a call; instead
the mobile operator at the other end of your radio link established
the connection ... 1
AN INTRODUCTION TO CELLULAR
PHONE SYSTEMS
The first mobile communications system began in 19 21 when the
Detroit Police Department installed two-way radios in i...
The Cellular Connection 1 phần 3 docx
... under rough
The Cellular Connection: A Guide to Cellular Telephones, Fourth Edition. Robert A. Steuernagel
Copyright 20 00 John Wiley & Sons, Inc.
ISBNs: 0-4 71- 316 52- 0 (Paper); 0-4 71- 20 340-8 ... the MSC, or Mobile
Switching Center, which links cellphones to established conventional
telephone services. The relationship among these is illustrated in
Figure 2 .1.
THE...
The Cellular Connection 1 phần 7 docx
... prefixed by the asterisk ‘‘*’’ on
the dial, called ‘‘star.’’ Thus, ‘‘STAR-6 -1- 1’’ (or * 611 ) will usually
connect you to your carrier’s customer service department. If you dial
‘‘ 611 ’’ without the ‘‘*,’’ ... the call, even though the
party on the other end has hung up — whether you placed the call or
just answered it — you’re still connected to the cell site and paying
for...
The Cellular Connection 1 phần 9 docx
... installation, the
The Cellular Connection: A Guide to Cellular Telephones, Fourth Edition. Robert A. Steuernagel
Copyright 20 00 John Wiley & Sons, Inc.
ISBNs: 0-4 71- 316 52- 0 (Paper); 0-4 71- 20 340-8 ... places the transceiver close
to the antenna, which is usually mounted toward the rear of a vehicle.
This proximity allows the length of the cable that connects t...
The Cellular Connection 1 phần 10 docx
... to hang up when they
no longer hear the signal from the modem at the other end of the
line. When one modem hangs up, so does the other. With dropouts
and handoffs being a fact of cellular life, ... existing modem, to use it on a cellular
system at the very least a device is needed between the modem and
the cellular phone. This device makes the cellular phone appear t...
The Cellular Connection 1 phần 1 pdf
... 14 , 18 , 20 22 , 23 24 , 41 45,
52 55, 60, 64—73, 89, 95—96,
10 1 10 2, 10 5 10 6, 11 3 11 5, 12 1,
12 2, 12 6, 12 7. See also Service
provider
CDMA, 11 4, 11 5, 12 1, 12 2
CDPD, 93, 12 2
Cell, 4—7, 93, 10 2, 11 0 11 1, ... 13 , 16 , 26 , 51,
52 54, 64—65, 78— 81, 93, 95, 97—
10 5, 11 0 11 1, 12 1, 12 3, 12 4, 12 6
SMS, 96, 11 5, 12 7
Southwestern Bell...
The Cellular Connection 1 phần 4 doc
... systems.
The Cellular Connection: A Guide to Cellular Telephones, Fourth Edition. Robert A. Steuernagel
Copyright 20 00 John Wiley & Sons, Inc.
ISBNs: 0-4 71- 316 52- 0 (Paper); 0-4 71- 20 340-8 ... Ericsson, NorTel, and Nokia, among others. Cellular
HOW LICENSES WERE GRANTED 21
3
THE BUSINESS OF CELLULAR
PHONES
The business of cellular phones is a big one. Although...
The Cellular Connection 1 phần 5 potx
... Steuernagel
Copyright 20 00 John Wiley & Sons, Inc.
ISBNs: 0-4 71- 316 52- 0 (Paper); 0-4 71- 20 340-8 (Electronic)
23
Table 4 .2 Estimating Cellular Usage
1. I plan to use my phone for: (1) Mostly business; (2) Mostly ... sales
commissions paid to them by the carrier for cellular subscriptions to
‘‘buy down’’ the retail price of the cellular phone, so that the price...
The Cellular Connection 1 phần 6 pps
... peak
Basic 29 .95 0 0.40 0 .25 48.45 45.45 10 3.95 91. 95
Personal 19 .95 30 0.75 0 .25 32. 95 28 .95 13 0.45 96.45
Business 49.95 10 0 0.35 0 .25 49.95 49.95 82. 95 78.95
Volume 79.95 20 0 0.33 0 .25 79.95 ... you pay the long-distance rate between the
MSC and the point you are calling. [2] When someone calls you, they pay
the rate between their phone and the MSC and you pay...
The Cellular Connection 1 phần 8 pdf
... 558-7 626
B 404 3 72- 7 626
Baltimore A 410 20 8-7 626
B 410 3 82- 7 626
Boston A 617 633-7 626
B 617 28 5-7 626
Chicago A 3 12 659-7 626
B 3 12 550-7 626
Dallas A 21 4 850-7 626
B 21 4 384-7 626
Denver A 303 888-7 626
B ... 877-7 626
Detroit A 313 938-7 626
B 313 320 -7 626
Houston A 713 825 -7 626
B 713 824 -7 626
Indianapolis A 317 443-7 626
B 317 4 32- 7 626
Kansas Cit...