アンテナアレイを含む移動通信装置及びその方法

Japanese Patent JP4002487

B2

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.

Kinnari rare
Gold base
Lee Gen
Lee Po Tin
Lee Kane
Kin Akahide

JP2002242892A

October 31, 2007

August 23, 2002

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Samsung Electronics Co.,Ltd.

H04B7/26; H04B1/707; H04B7/02; H04B7/06; H04B7/08; H04B7/10; H04J13/00; H04J99/00; H04W16/28; H04W88/02

JP10117162A
JP10190537A
JP2001168777A

WO2002047286A1
WO1998009381A1

Isono Dozo

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