Communications: electrical – Continuously variable indicating – With meter reading
Patent
1995-11-17
1998-12-08
Zimmerman, Brian
Communications: electrical
Continuously variable indicating
With meter reading
348 6, 455 61, 455 63, 455 673, 375346, 333 12, 329318, 370227, 370228, H04H 102
Patent
active
058476601
ABSTRACT:
Carriers (51) in a cable telephony system (10) are prioritized (70) according to their usability. A local access manager (LAM) (27) creates a frequency list that ranks the carriers (51) based upon their frequency. When a cable fixed access unit (CFAU) (44) requests a traffic channel, the LAM (27) selects a traffic channel based on the channel's carrier usability. The LAM (27) also selects an alternative channel based on both the channel's carrier usability and the based on the number of carriers between the traffic channel and the alternate channel in the frequency list. When either the LAM (27) or the CFAU (44) determines the traffic channel is unacceptable during a call they transmit a "Switching to Alternate Channel" message. The CFAU (44) retunes to the alternate channel and transmits a "Re-Connect" request. The LAM (27) then transmits a new alternate channel and the call continues.
REFERENCES:
patent: 3750022 (1973-07-01), Curry et al.
patent: 3794923 (1974-02-01), Ellis
patent: 5029158 (1991-07-01), Reid et al.
patent: 5073822 (1991-12-01), Gumm et al.
patent: 5115514 (1992-05-01), Leslie
patent: 5343471 (1994-08-01), Cassagnol
patent: 5623422 (1997-04-01), Williams
Personal Access Communications System Air Interface Standard J-STD-014, particularly Chapter 6, including Sections 6.1.5, 6.6 and 6.7. No month, No year.
Generic Criteria for Version 0.1 Wireless Access Communications Systems (WACS), Issue 1, Oct. 1993, Bellcore, particularly Chapter 6, including Sections 6.1.5., 6.6 and 6.7.
Butvila Jonas
Williams James Mason
Motorola Inc.
Wilson Jr. William H.
Wood J. Ray
Zimmerman Brian
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