Method of setting communication bands and communication device

Details Method of setting communication bands and communication device Method of setting communication bands and communication device

2005-04-26

2005-04-26

Ha, Dac V. (Department: 2634)

Pulse or digital communications

Transceivers

Modems

C375S240000, C375S260000, C370S329000, C370S437000, C370S439000, C370S468000, C370S477000, C455S452200, C455S509000

Reexamination Certificate

active

06885697

ABSTRACT:
A communication band setting method and a communication device that can change a communication band in the ascending and descending directions. The communication device includes a transmission/reception unit that transmits and receives a signal using a plurality of sub carriers, an information storage unit that stores information as to whether each of the plurality of sub carriers is used for transmission or reception, a control unit that changes the information stored in the information storage unit in compliance with a control instruction. A transmission/reception process of the transmission/reception unit is controlled in accordance with the information stored in the information storage unit, so that a transmission band and a reception band are suitably adjusted.

REFERENCES:
patent: 5644573 (1997-07-01), Bingham et al.
patent: 5818830 (1998-10-01), Daane et al.
patent: 6097733 (2000-08-01), Basu et al.
patent: 6252900 (2001-06-01), Liu et al.
patent: 6532223 (2003-03-01), Sakoda et al.
patent: 6542460 (2003-04-01), Ring
patent: 61021662 (1986-01-01), None

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