activity
20132020
most citedOptimal Precoder Designs for Sum-utility Maximization in SWIPT-enabled Multi-user MIMO Cognitive Radio Networks

13 citations · 16 across the 7 of their papers we have counts for

collaborators

7 papers

cs.IT2020

Low-Resolution ADC Quantized Full-Duplex Massive MIMO-Enabled Wireless Backhaul in Heterogeneous Networks Over Rician Channels

Prince Anokye, Roger Kwao Ahiadormey, Han-Shin Jo +2

This paper studies the spectral/energy efficiency (SE/EE) of a heterogeneous network with the backhaul enabled by low-resolution analog-to-digital converters (ADCs) quantized full-…

cs.IT2020

Beamforming and Resource Allocation for Multi-User Full-Duplex Wireless Powered Communications in IoT Networks

Derek Kwaku Pobi Asiedu, Sumaila Mahama, Changick Song +2

For a self-sustaining wireless communication system in Internet-of-Things (IoT) networks, energy harvesting (EH) can be implemented at each user node as a constant renewable power…

cs.IT2018

Leakage Rate Analysis for Artificial Noise Assisted Massive MIMO with Non-coherent Passive Eavesdropper in Block-fading

Changick Song

Massive MIMO is one of the salient techniques for achieving high spectral efficiency in next generation wireless networks. Recently, a combined strategy of the massive MIMO and the…

cs.IT2018★ 13 cited

Optimal Precoder Designs for Sum-utility Maximization in SWIPT-enabled Multi-user MIMO Cognitive Radio Networks

Changick Song, Hoon Lee, Kyoung-Jae Lee

In this paper, we propose a generalized framework that combines the cognitive radio (CR) techniques for spectrum sharing and the simultaneous wireless information and power transfe…

cs.IT2014★ 2 cited

MIMO Broadcasting for Simultaneous Wireless Information and Power Transfer: Weighted MMSE Approaches

Changick Song, Cong Ling, Jaehyun Park +1

We consider simultaneous wireless information and power transfer (SWIPT) in MIMO Broadcast networks where one energy harvesting (EH) user and one information decoding (ID) user sha…

cs.IT2014★ 1 cited

Diversity of Linear Transceivers in MIMO AF Half-duplex Relaying Channels

Changick Song, Cong Ling

Linear transceiving schemes between the relay and the destination have recently attracted much interest in MIMO amplify-and-forward (AF) relaying systems due to low implementation…

cs.IT2013

Achievable Diversity-Rate Tradeoff of MIMO AF Relaying Systems with MMSE Transceivers

Changick Song, Cong Ling

This paper investigates the diversity order of the minimum mean squared error (MMSE) based optimal transceivers in multiple-input multiple-output (MIMO) amplify-and-forward (AF) re…