TIME DIVISION MULTIPLE ACCESS FRAME SYNCHRONIZING DEVICE
PURPOSE: To exclude reception waves provided with propagation delay larger than the detection accuracy of a phase comparison means for detecting a time division multiple access frame phase difference from the input of a mutual synchronization means. CONSTITUTION: Time division multiple access frame...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
08.03.1996
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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Summary: | PURPOSE: To exclude reception waves provided with propagation delay larger than the detection accuracy of a phase comparison means for detecting a time division multiple access frame phase difference from the input of a mutual synchronization means. CONSTITUTION: Time division multiple access frame phase difference signals for the past (k) times are stored in a history storage means 102-i. When the time division multiple access frame phase difference signal is received, a delay wave detection means 101-i stores it in a register Reg i(0) inside the history storage means 102-i and a delay wave judgement means 103-i checks values held in the registers Reg i(0) to Reg i(-k) of (k+1) stages inside the history storage means 102-i. When all the values of the registers inside the history storage means 102-i are the same value different from '0', the delay wave judgement means 103-i outputs a base station identification number (i). |
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Bibliography: | Application Number: JP19940199987 |