Further Results on High-Rate MIMO-OFDM Underwater Acoustic Communications

被引：0
|
作者：
Li, Baosheng [1 ]
Huang, Jie [1 ]
Zhou, Shengli [1 ]
Ball, Keenan [2 ]
Stojanovic, Milica [3 ]
Freitag, Lee [2 ]
Willett, Peter [1 ]
机构：
[1] Univ Connecticut, Dept Elec & Comp Engr, Storrs, CT 06269 USA
[2] Woods Hole Oceanog Inst, Woods Hole, MA 02543 USA
[3] MIT, Cambridge, MA 02139 USA
来源：
OCEANS 2008, VOLS 1-4 | 2008年
关键词：
D O I：
暂无
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
MIMO-OFDM is one viable solution for high data rate transmissions over underwater acoustic channels. Our previous work in [1] has reported experimental results for MIMO-OFDM with two transmitters and QPSK modulation. In this paper, we deal with MIMO-OFDM with more transmitters and higher order modulation. With data collected from the RACE experiment at Narragansett Bay, Rhode Island, March 2008, we report MIMO-OFDM performance results of QPSK/8-QAM/16-QAM/64-QAM modulations with two transmitters, QPSK/8-QAM/16-QAM modulations with three transmitters, and QPSK/8-QAM modulations with four transmitters. With large constellations and MIMO spatial multiplexing, very high data rates can be achieved, e.g., a spectral efficiency of 3.5 bits/sectHz is approached in three different configurations.
引用
收藏
页码：1732 / +
页数：2
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