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- Meisam Razaviyayn, Mingyi Hong, Zhi-Quan Luo
- SIAM Journal on Optimization
- 2013

The block coordinate descent (BCD) method is widely used for minimizing a continuous function f of several block variables. At each iteration of this method, a single block of variables is optimized, while the remaining variables are held fixed. To ensure the convergence of the BCD method, the subproblem of each block variable needs to be solved to its… (More)

- Mingyi Hong, Zhi-Quan Luo
- Math. Program.
- 2017

- Qiang Li, Mingyi Hong, Hoi-To Wai, Ya-Feng Liu, Wing-Kin Ma, Zhi-Quan Luo
- IEEE Journal on Selected Areas in Communications
- 2013

- Mingyi Hong, Ruoyu Sun, Hadi Baligh, Zhi-Quan Luo
- IEEE Journal on Selected Areas in Communications
- 2013

We consider the interference management problem in a multicell MIMO heterogeneous network. Within each cell there is a large number of distributed micro/pico base stations (BSs) that can be potentially coordinated for joint transmission. To reduce coordination overhead, we consider user-centric BS clustering so that each user is served by only a small… (More)

- Mingyi Hong, Zhi-Quan Luo, Meisam Razaviyayn
- 2015 IEEE International Conference on Acoustics…
- 2015

In this paper, we analyze the behavior of the alternating direction method of multipliers (ADMM), for solving a family of nonconvex problems. Our focus is given to the well-known consensus and sharing problems, both of which have wide applications in signal processing. We show that in the presence of nonconvex objective function, classical ADMM is able to… (More)

- Meisam Razaviyayn, Mingyi Hong, Zhi-Quan Luo
- Signal Processing
- 2011

We consider the problem of linear transceiver design to achieve max-min fairness in a downlink MIMO multicell network. This problem can be formulated as maximizing the minimum rate among all the users in an interfering broadcast channel (IBC). In this paper we show that when the number of antennas is at least two at each of the transmitters and the… (More)

- Mingyi Hong, Meisam Razaviyayn, Zhi-Quan Luo, Jong-Shi Pang
- IEEE Signal Processing Magazine
- 2016

This article presents a powerful algorithmic framework for big data optimization, called the block successive upper-bound minimization (BSUM). The BSUM includes as special cases many well-known methods for analyzing massive data sets, such as the block coordinate descent (BCD) method, the convex-concave procedure (CCCP) method, the block coordinate proximal… (More)

- Wei-Cheng Liao, Mingyi Hong, Ya-Feng Liu, Zhi-Quan Luo
- IEEE Transactions on Signal Processing
- 2014

In a densely deployed heterogeneous network (HetNet), the number of pico/micro base stations (BS) can be comparable with the number of the users. To reduce the operational overhead of the HetNet, proper identification of the set of serving BSs becomes an important design issue. In this work, we show that by jointly optimizing the transceivers and… (More)

We consider the task of classification in the high-dimensional setting where the number of features of the given data is significantly greater than the number of observations. To accomplish this task, we propose sparse zero-variance discriminant analysis (SZVD) as a method for simultaneously performing linear discriminant analysis and feature selection on… (More)

- Mingyi Hong, Ruoyu Sun, Hadi Baligh, Zhi-Quan Luo
- ArXiv
- 2012

We consider the interference management problem in a multicell MIMO heterogeneous network. Within each cell there is a large number of distributed micro/pico base stations (BSs) that can be potentially coordinated for joint transmission. To reduce coordination overhead, we consider user-centric BS clustering so that each user is served by only a small… (More)