Transmit Energy-Efficiency for Long-Range Wireless Communications From Battery-Powered Unmanned Systems

被引：2

作者：

Chen, Jun ^{[1
,2
]}

Pratt, Thomas G. ^{[2
]}

机构：

[1] Univ Notre Dame, Notre Dame, IN 46556 USA

[2] Univ Notre Dame, Dept Elect Engn, Notre Dame, IN 46556 USA

来源：

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2015年 / 51卷 / 04期

关键词：

RADIO CHANNEL; MIMO; CAPACITY; MODEL; OPTIMIZATION; PRECODERS;

D O I：

10.1109/TAES.2015.150106

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The transmit energy efficiency of long-range wireless communications from battery-powered unmanned systems over packet erasure channels is analyzed for space-and polarization-based multiple-input multiple-output (MIMO) architectures with and without linear precoding. Theoretical and emulation results generated from a hybrid hardware/software test bed indicate that when packet erasures are considered, 4 x 4 MIMO architectures with precoding can offer significant energy efficiency gains relative to nonprecoded MIMO systems. In the lower signal-to-noise ratio regime, we find that operating points exist for the different MIMO architectures that provide near maximum spectral efficiency while operating at a local minimum in energy consumption. At these operating points, transceiver operating times are determined for a range of battery capacities.

引用

页码：2944 / 2959

页数：16

共 11 条

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