Flexible Coordinated Beamforing (FlexCoBF) Algorithm for the Downlink of Multi-User MIMO Systems

被引：3
|
作者：
Song, Bin [1 ]
Roemer, Florian [1 ]
Haardt, Martin [1 ]
机构：
[1] Ilmenau Univ Technol, Commun Res Lab, POB 100565, D-98694 Ilmenau, Germany
来源：
2010 INTERNATIONAL ITG WORKSHOP ON SMART ANTENNAS (WSA 2010) | 2010年
关键词：
Multi-user NIIMO; coordinated beamforming; BROADCAST CHANNEL;
D O I：
10.1109/WSA.2010.5456393
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose a Flexible Coordinated Beamforming (FlexCoBF) algorithm for the Multi-User MIMO downlink in the case where the total number of receive antennas exceeds the number of transmit antennas at the base station. This case is relevant for many scenarios that have been discussed recently. For instance, for coordinated multipoint (CoMP) transmissions, which play a significant role in LTE to achieve the IMT-Advanced requirements Ill, we have to consider users across cell borders jointly and hence a large total number of receive antennas is present. FlexCoBF is significantly more flexible compared to previous approaches, since the linear transmit as well as receive strategies can he chosen arbitrarily. Moreover, we achieve the same sum rate as the best known coordinated beamforming (CBF) algorithm with significantly fewer iterations.
引用
收藏
页码：414 / 420
页数：7
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