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Energy-Efficient Resource Allocation in Mobile Networks with Distributed Antenna Transmission

Published: 01 February 2012 Publication History

Abstract

This paper address the energy conservation issues in wireless downlink of mobile networks with distributed antenna transmission. From the basic information theory for MIMO channels, we derived a simple energy efficiency defined as number of bits per Watt. we then identified three approaches to improve the optimal energy efficiency with a higher capacity, which include alleviating channel fading loss, mitigating the interference, and increasing the number of antennas. We considered the scenario of a single cell with distributed antennas to jointly investigate above three factors. We first proposed a beamforming based energy-efficient resource allocation algorithm, which can achieve the optimal energy efficiency with a higher capacity through adaptively allocating resources and managing interferences. Due to the computational complexity of this algorithm and real-time processing requirement, we further proposed a low-complexity antenna-selection based resource allocation algorithm, which is more tractable and only with slightly performance loss. Finally, we compared different network configurations with these algorithms by extensive simulations, the results demonstrate that the proposed algorithms in distributed antenna configurations achieve better energy efficiency at a high operational throughput point.

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Cited By

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  • (2022)Joint Optimal Resource Allocation in Energy-Efficient Multicell Large-Scale Distributed Full-Duplex Antenna System with Imperfect CSIWireless Personal Communications: An International Journal10.1007/s11277-021-09120-9123:1(85-102)Online publication date: 1-Mar-2022
  • (2019)Energy efficient joint user scheduling and transmit beamforming in downlink DASWireless Networks10.1007/s11276-018-1714-325:6(3223-3237)Online publication date: 20-Jul-2019

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Information & Contributors

Information

Published In

cover image Mobile Networks and Applications
Mobile Networks and Applications  Volume 17, Issue 1
February 2012
159 pages

Publisher

Springer-Verlag

Berlin, Heidelberg

Publication History

Published: 01 February 2012

Author Tags

  1. antenna selection
  2. beamforming
  3. distributed antenna systems (DAS)
  4. energy efficiency
  5. resource allocation

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View all
  • (2022)Joint Optimal Resource Allocation in Energy-Efficient Multicell Large-Scale Distributed Full-Duplex Antenna System with Imperfect CSIWireless Personal Communications: An International Journal10.1007/s11277-021-09120-9123:1(85-102)Online publication date: 1-Mar-2022
  • (2019)Energy efficient joint user scheduling and transmit beamforming in downlink DASWireless Networks10.1007/s11276-018-1714-325:6(3223-3237)Online publication date: 20-Jul-2019

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