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- Eunsung Oh, Kyuho Son, Bhaskar Krishnamachari
- IEEE Transactions on Wireless Communications
- 2013
In this paper, we investigate dynamic base station (BS) switching to reduce energy consumption in wireless cellular networks. Specifically, we formulate a general energy minimization problem… (More)
- Eunsung Oh, Bhaskar Krishnamachari, Xin Liu, Zhisheng Niu
- IEEE Communications Magazine
- 2011
The operation of cellular network infrastructure incurs significant electrical energy consumption. From the perspective of cellular network operators, reducing this consumption is not only a matter… (More)
- Eunsung Oh, Bhaskar Krishnamachari
- IEEE Global Telecommunications Conference…
- 2010
Reducing the energy consumption of cellular wireless access networks is not only beneficial for the global environment but also makes commercial sense for telecommunication operators. Since access… (More)
- Seungyoup Han, Seongwoo Ahn, Eunsung Oh, Daesik Hong
- IEEE Transactions on Vehicular Technology
- 2009
In this paper, a framework for evaluating the bit-error-rate (BER) performance of amplify-and-forward (AF) relay-assisted cooperative transmission is provided in the presence of imperfect channel… (More)
- Hyungsik Ju, Eunsung Oh, Daesik Hong
- IEEE Transactions on Wireless Communications
- 2009
This letter presents a new full duplex relay (FDR) system that features more efficient use of time resource and antennas. The proposed FDR system is constructed based on time and antenna-sharing and… (More)
- Kyuho Son, Eunsung Oh, Bhaskar Krishnamachari
- IEEE Conference on Computer Communications…
- 2011
This paper develops an energy-aware hierarchical cell configuration framework that encompasses both deployment and operation in downlink cellular networks. Specifically, we first formulate a general… (More)
- Hyungsik Ju, Eunsung Oh, Daesik Hong
- IEEE Communications Magazine
- 2009
In spite of their potential to improve the performance of wireless communication systems, relay-based communication systems face significant challenges, resource wastage. In this article we discuss… (More)
- Hyungsik Ju, Sungeun Lee, Kyungchul Kwak, Eunsung Oh, Daesik Hong
- VTC Spring - IEEE Vehicular Technology…
- 2008
This paper presents a new duplex approach which does not require guard resources suitable for indoor 2times2 MIMO environments. In the proposed duplex, two virtual channels in the spatial domain are… (More)
- Kyuho Son, Eunsung Oh, Bhaskar Krishnamachari
- Computer Networks
- 2015
The ever-increasing traffic demand has motivated mobile operators to explore how they can boost their network capacity with a minimal increase in their capital and operating expenditures. In order to… (More)