The Cellular Connection 1 phần 3 docx

... rough The Cellular Connection: A Guide to Cellular Telephones, Fourth Edition. Robert A. Steuernagel Copyright  2000 John Wiley & Sons, Inc. ISBNs: 0-4 71- 31 6 52-0 (Paper); 0-4 71- 2 034 0-8 (Electronic) 9 Figure ... CELLULAR SYSTEM The three parts of a cellular phone system are [1] the cellular phone; [2] the cell site, which receives and transmits your calls to and...

Ngày tải lên: 07/08/2014, 21:20

... 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 ... you approach the limit of the range of one cell, you will enter another before the quality of service deteriorates. Furthermore, the limited range of cellular tr...

Ngày tải lên: 07/08/2014, 21:20

... installation, the The Cellular Connection: A Guide to Cellular Telephones, Fourth Edition. Robert A. Steuernagel Copyright  2000 John Wiley & Sons, Inc. ISBNs: 0-4 71- 31 6 52-0 (Paper); 0-4 71- 2 034 0-8 ... 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 the...

Ngày tải lên: 07/08/2014, 21:20

... 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, ... 52— 53, 64—65, 10 5, 12 1, 12 2, 12 6, 12 7 Blocked calls, 54, 10 1, 10 5 Buildings, 10 , 11 , 16 , 99 10 0, 10 3 10 4, 11 7 Burn (a NAM), 15 ,...

Ngày tải lên: 07/08/2014, 21:20

... weekday, the number of calls I’ll make are: (1) None; (2) 1 3; (3) 4 10 ; (4) More than 10 3. My calls are usually: (1) Average length, 2 3 minutes; (2) Long, over 5 minutes; (3) Short, less than 1 ... 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 of The Cellular Conne...

Ngày tải lên: 07/08/2014, 21:20