Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Reexamination Certificate
2006-04-18
2006-04-18
Trinh, Sonny (Department: 2687)
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
C455S522000, C455S069000, C370S335000, C370S342000
Reexamination Certificate
active
07031664
ABSTRACT:
Provided are a mobile communication apparatus including an antenna array and a mobile communication method. The mobile communication apparatus has a base station and a mobile station. The mobile station measures the downlink characteristics, detects physical space information and approximate long-term information, produces short-term informatio, transforms the short-term information and the physical space information into a feedback signal, and transmits the feedback signal to the base station. The base station receives the feedback signal, extracts weighted information, beamforms dedicated physical channel signals, combines pilot channel signals with the result of the beamforming, and transmits the results of the combinations to the mobile station via the antenna array. The physical space information denotes space information about the location of the mobile station with respect to the base station, and the approximate long-term information denotes long-term information. Accordingly, degradation of the performance of communications caused by a great amount of information to be fed back station can be prevented while keeping a beamforming gain.
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Hwang Keun-Chul
Kim Sung-Jin
Lee Kwang-Bok
Lee Yong-Suk
Doan Phuoc
Lee Kwang-Bok
Lee & Morse P.C.
Trinh Sonny
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