A Novel Uplink MIMO Transmission Scheme in a Multicell Environment

被引：43

作者：

Lee, Byong Ok ^{[1
,2
]}

Je, Hui Won ^{[3
]}

Shin, Oh-Soon ^{[4
]}

Lee, Kwang Bok ^{[1
,2
]}

机构：

[1] Seoul Natl Univ, Sch Elect Engn & Comp Sci, Seoul 110799, South Korea

[2] Seoul Natl Univ, INMC, Seoul 110799, South Korea

[3] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA

[4] Soongsil Univ, Sch Elect Engn, Seoul 156743, South Korea

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2009年 / 8卷 / 10期

关键词：

Multicell; multiple-input multiple-output (MIMO); generated interference; precoding; CAPACITY;

D O I：

10.1109/TWC.2009.081690

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：

Uplink multiple-input multiple-output (MIMO) transmission scheme is developed for time division duplex (TDD) systems in a multicell environment. We propose a precoding scheme that maximizes the total achievable rate and works in the decentralized manner with only locally available channel state information (CSI) at each transmitter. We first establish and solve a decentralized optimization problem for the case of multiple-input single-output (MISO) channels, introducing a new precoding design metric called signal to generated interference plus noise ratio (SGINR). By extending the result to general MIMO channels, we propose an SGINR-based precoding scheme where the number of transmit streams is selected adaptively to the surrounding environments. Simulation results confirm that the proposed precoding scheme offers significant throughput enhancement in multicell environments.

引用

页码：4981 / 4987

页数：7

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