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- Newsgroups: alt.radio.scanner
- Path: sparky!uunet!destroyer!sol.ctr.columbia.edu!eff!world!glenn
- From: glenn@world.std.com (Glenn S Meader)
- Subject: Technical info on cellular wanted
- Message-ID: <By0x74.55n@world.std.com>
- Keywords: cellular
- Organization: The World Public Access UNIX, Brookline, MA
- Date: Fri, 20 Nov 1992 16:45:04 GMT
- Lines: 18
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- I am looking for technical info on how cellular phones with cell sites.
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- For example I am curious about the following issues:
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- 1. Exactly what frequencies are used for cellular calls
- 2. What frequencies are used as control channels?
- 3. How does a cell site signal a cellular phone to ring?
- 4. How does a cellular phone tell the cell site that it wants to make a call?
- 5. How does the cell site tell the cellular phone to switch frequencies
- when the call is being handed off to another cell site?
- 6. What kinds of status and control messages are exchanged between cellular
- phones and cell sites and how are they encoded?
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- Are there books on this? Magazine articles? FTP-able files?
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