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SCIENTIA SINICA Informationis, Volume 47, Issue 5: 591(2017) https://doi.org/10.1360/N112017-00018

Distributed antenna systems: resource allocation and energy efficiency optimization}{Distributed antenna systems: resource allocation and energy efficiency optimization

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  • ReceivedJan 20, 2017
  • AcceptedMar 21, 2017
  • PublishedMay 4, 2017

Abstract

Energy efficiency (EE) and spectral efficiency (SE) are two key performance metrics for technological advances in current and emerging wireless communication networks. The demand for higher SE has increased dramatically due to multimedia applications in wireless networks. In the past decade, there has been tremendous work to improve system SE and throughput. In recent years, EE has received increasing attention due to environmental concerns and steadily rising energy costs. Distributed antenna systems (DAS) have been introduced as a promising candidate for next generation wireless mobile communication systems due to advantages in link reliability, capacity, and extended coverage. Thus, increasing the EE of a DAS while satisfying SE requirements is a significant issue. We discuss energy-efficient power allocation criteria for DAS, energy-efficient resource allocation for OFDM-DAS, energy-efficient transmission for MISO-DAS, and energy-efficiency optimization for MIMO-DAS. The corresponding energy-efficient optimization methods are also proposed. Simulation results demonstrate the effectiveness of the proposed scheme.


Funded by

国家自然科学基金(61601300)

国家重点基础研究发展计划(973)

(2012CB316004)

深圳市基础研究项目(批\\准号 JCYJ20150324140036835)

东南大学移动通信国家重点实验室开放课题项目(课题 2017D10)

深圳大学校启动项\\目(2016053)


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