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Patent Searching and Data


Title:
TELECOMMUNICATION METHOD
Document Type and Number:
Japanese Patent JPH1075224
Kind Code:
A
Abstract:

To increase the number of transmission channels without enlarging a time slot number per frame by switching a carrier frequency for each frame and terminating the changeover of a frequency if a halt judgement reference is satisfied.

The carrier frequency F3 is activated, standby is performed until a time slot Z3 is activated and bursts are transmitted at the frequency F3 during the time. Then, a system receives the bursts within the time slot Z7 until the time slot Z7 within the same frame. Then, when the carrier frequency is changed from F3 to F3', an operation is performed similarly to the carrier frequency F3. When the operation is ended, halt conditions are checked, activation is performed from the F3 again and whether or not to shift to the F3' is judged. In this case, the halt conditions are information elements such as the lapse of maximum time or linkage quality at the F3 and F3', etc. Thus, the number of the transmission channels is increased without enlarging the time slot number per frame requiring simultaneous use.


Inventors:
SCHOEBL ANDREAS
Application Number:
JP1997000152519
Publication Date:
March 17, 1998
Filing Date:
June 10, 1997
Export Citation:
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Assignee:
NOKIA MOBILE PHONES LTD
International Classes:
H04B7/26; H04J3/00; H04J4/00; (IPC1-7): H04J4/00; H04J3/00
Attorney, Agent or Firm:
Takashi Ishida (3 others)