An Adaptive Power Saving Scheme in OFDMA-TDD-Based Cellular Relay Networks

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概要

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• We present an adaptive power saving (APS) scheme to reduce downlink energy consumption of the transmit power in the cellular relay network (CRN). In the APS scheme, some cell topologies operating in 2-hop mode using relay stations (RSs) are converted to that of 3-hop mode and others are simultaneously converted to that of single-hop mode when the offered traffic load becomes very low, especially during night periods. By this means, we show the APS scheme outperforms the conventional CRN (CCRN) scheme in terms of energy consumption.

著者

• KIM Se-Jin

  Department of Computer and Information Science, Korea University

• LEE Byung-Bog

  Mobile Telecommunications Research Division, Electronics and Telecommunication Research Institute (E

• KO You-Chang

  CT Solution Development Gr., Samsung SDS

• RYU Seungwan

  Department of Information Systems, Chung-Ang University

• LEE Hyong-Woo

  Department of Electronics and Information Engineering, Korea University

• CHO Choong-Ho

  Department of Computer and Information Science, Korea University

関連論文

• An Adaptive Power Saving Scheme in OFDMA-TDD-Based Cellular Relay Networks
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