Asynchronous multiuser underwater acoustic communications (L)

被引：15
|
作者：
Cho, S. E. [1 ]
Song, H. C. [2 ]
Hodgkiss, W. S. [2 ]
机构：
[1] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA
[2] Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA 92093 USA
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2012年 / 132卷 / 01期
关键词：
Underwater acoustics - Code division multiple access;
D O I：
10.1121/1.4726029
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
An asynchronous multiuser system is proposed to support multiple-access underwater communications without the use of code-division multiple-access or a feedback channel. The rich multipath channels experienced by spatially separated users will be sufficient to ensure separation of collided packets at the base station. The iterative receiver will employ a combination of adaptive time-reversal processing, matching pursuit, and successive interference cancellation in a block-wise fashion to achieve multiuser separability. Data collected during the KAM11 experiment are used to illustrate the system's capability in a dynamic, time-varying environment. (C) 2012 Acoustical Society of America. [http://dx.doi.org/10.1121/1.4726029]
引用
收藏
页码：5 / 8
页数：4
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