Apparatus and method for acquisition of communication quality

Multiplex communications – Communication over free space – Combining or distributing information via code word channels...

Reexamination Certificate

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Details

C370S503000, C370S509000, C375S354000, C375S149000, C375S150000, C455S502000

Reexamination Certificate

active

07545790

ABSTRACT:
In mobile communication systems employing the CDMA method, the communication quality is acquired from the CDMA pilot channel. A communication quality acquisition apparatus comprises a delay profile acquisition unit comprising a control unit, synchronization unit and measurement unit, in addition to a data storage unit. The communication quality is measured by the synchronization unit and the measurement unit which are alternatively controlled by the control unit. When the communication quality is acquired through the CDMA pilot channel, the data acquisition efficiency can be significantly raised.

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A Coherent Dectection System With A Suppressed Pilot Channel for DS/CDMA Systems Sadayuki Abeta, Seiichi Sampei and Norihiko Morinaga 1996 pp. 95-102.
DS/CDMA Coherent Detection System with a Supressed Pilot Channel Sadayuki Abeta, Seiichi Sampei and Norihiko Morinaga 1994 IEEE pp. 1622-1626.
Austrian Patent Office Service and Information Sector (TRF) Search Report Application No. 200102517-0.

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