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Title:
アンテナアレイを含む移動通信装置及びその方法
Document Type and Number:
Japanese Patent JP4002487
Kind Code:
B2
Abstract:
Provided are a mobile communication apparatus having an antenna array and a mobile communication method performed in the mobile communication apparatus. The mobile communication apparatus includes a base station and mobile station, each having an antenna array. The mobile station measures the downlink characteristics of a channel for each transmitter/receiver antenna pair from a signal received from a base station calculates the eigenvalues and eigenvectors of the channel propagation matrix, uses the eigenvectors as basis, determines long-term information in which the correlation property of the channel for each antenna has been reflected from the measured downlink characteristics, transforms the long-term information into a feedback signal, and transmits the feedback signal to the base station. The base station receives the feedback signal, restores the long-term information from the received feedback signal, performs basis mapping and basis transformation on a dedicated physical channel signal using the restored long-term information, adds the basis-mapped and basis-transformed signal to each of pilot channel signals, and transmits the addition results to the mobile station. Accordingly, information in which the downlink characteristics of a space channel has been reflected is fed back from the mobile station to the base station, thus minimizing the effects of fading, interference, and noise and maximizing throughput.

Inventors:
Kinnari rare
Gold base
Lee Gen
Lee Po Tin
Lee Kane
Kin Akahide
Application Number:
JP2002242892A
Publication Date:
October 31, 2007
Filing Date:
August 23, 2002
Export Citation:
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Assignee:
Samsung Electronics Co.,Ltd.
International Classes:
H04B7/26; H04B1/707; H04B7/02; H04B7/06; H04B7/08; H04B7/10; H04J13/00; H04J99/00; H04W16/28; H04W88/02
Domestic Patent References:
JP10117162A
JP10190537A
JP2001168777A
Foreign References:
WO2002047286A1
WO1998009381A1
Attorney, Agent or Firm:
Isono Dozo



 
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