公开(公告)号：EP1505741A3

公开(公告)日：2008-04-02

申请号：EP04015616.8

申请日：2004-07-02

申请人： SAMSUNG ELECTRONICS CO., LTD. ,  Yonsei University

发明人： Lee, Hak-Joo ,  Lee, Chung-Yong ,  Chung, Jae-Hak ,  Hwang, Chan-Soo

IPC分类号： H04B7/06

CPC分类号： H04B7/0626 ,  H04B7/0417 ,  H04B7/0452 ,  H04L25/0204 ,  H04L25/0248 ,  H04W72/1231

摘要： Disclosed herein is a scheduling method and apparatus based on eigen values robust against spatial correlation in a mobile communication system supporting multiple users by use of multiple transmit/receive antennas. A user terminal estimates channel characteristics from the transmit antennas to the user terminal, decomposes the estimated channel characteristics into receive channel characteristics and transmit channel characteristics, and feeds back a transmit principal eigen vector to the base station (BS). The BS selects a predetermined number of user terminals having the least correlation using the feedback principal eigen vectors from a plurality of user terminals, constructs a user precoding matrix by combining the principal eigen vectors of the selected user terminals, multiplies data streams for the selected user terminals by the user precoding matrix and transmits the multiplied data to the selected user terminals.

公开(公告)号：EP1575203B1

公开(公告)日：2007-05-09

申请号：EP05005025.1

申请日：2005-03-08

申请人： SAMSUNG ELECTRONICS CO., LTD. ,  Yonsei University

发明人： Kim, Kyeong-Yeon ,  Lee, Chung-Yong ,  Shim, Sel-Yoon ,  Chung, Jae-Hak ,  Nam, Seung-Hoon

IPC分类号： H04L1/06 ,  H04L27/26

CPC分类号： H04L27/2647 ,  H04L1/0618

公开(公告)号：EP1708531A1

公开(公告)日：2006-10-04

申请号：EP06006434.2

申请日：2006-03-28

申请人： Samsung Electronics Co., Ltd. ,  Yonsei University

发明人： Chung, Jae-Hak ,  Lee, Ye-Hoon ,  Nam, Seung-Hoon ,  Kang, Ji-Won ,  Lee, Chung-Yong ,  Lee, Hak-Ju

IPC分类号： H04Q7/38

CPC分类号： H04W72/1257 ,  H04B7/0452 ,  H04L1/0003 ,  H04L1/0009 ,  H04L5/0075 ,  H04W72/1231

摘要： Provided is a scheduling apparatus and method for allocating resources to individual users in a multiantenna system. An upper layer determines resources to allocate to respective users one a long term, and provides the ratio to a scheduler. Then the scheduler determines coefficients appropriate for the provided ratio. On the assumption that a statistical channel characteristic for a user is constant for a predetermined time, the scheduler determines a channel capacity average and a standard deviation for the user. The scheduler schedules resource allocation for individual users according to the channel capacity average and standard deviation values, which are the statistical characteristic values, and instantaneous channel capacity fed back for the individual users, together with the found coefficients.

摘要翻译： 提供了一种用于在多天线系统中向个别用户分配资源的调度装置和方法。 上层确定长期分配给相应用户的资源，并将比例提供给调度器。 然后调度器确定适合所提供的比率的系数。 假设用户的统计信道特性在预定时间内是恒定的，则调度器确定用户的信道容量平均值和标准偏差。 调度器根据作为统计特征值的信道容量平均值和标准差值，以及针对各个用户反馈的瞬时信道容量，连同发现的系数，来调度个体用户的资源分配。