194 citations · 365 across the 16 of their papers we have counts for
10 papers · 1 filter
Effective Capacity and Power Allocation for Machine-Type Communication
Mohammad Shehab, Hirley Alves, Matti Latva-aho
Effective capacity (EC) determines the maximum communication rate subject to a particular delay constraint. In this work, we analyze the EC of ultra reliable Machine Type Communica…
Robust Transmission Design for Multi-Cell D2D Underlaid Cellular Networks
Hao Xu, Gordon L. Stüber, Wei Xu +4
This paper investigates the robust transmission design (RTD) of a multi-cell device-to-device (D2D) underlaid cellular network with imperfect channel state information (CSI). The b…
Compressive Sensing Based User Clustering for Downlink NOMA Systems with Decoding Power
Zhaohui Yang, Cunhua Pan, Wei Xu +1
This letter investigates joint power control and user clustering for downlink non-orthogonal multiple access systems. Our aim is to minimize the total power consumption by taking i…
Optimal Fairness-Aware Time and Power Allocation in Wireless Powered Communication Networks
Zhaohui Yang, Wei Xu, Yijin Pan +2
In this paper, we consider the sum -fair utility maximization problem for joint downlink (DL) and uplink (UL) transmissions of a wireless powered communication network (WPCN) vi…
Energy Efficient Resource Allocation in Machine-to-Machine Communications with Multiple Access and Energy Harvesting for IoT
Zhaohui Yang, Wei Xu, Yijin Pan +2
This paper studies energy efficient resource allocation for a machine-to-machine (M2M) enabled cellular network with non-linear energy harvesting, especially focusing on two differ…
Association and Load Optimization with User Priorities in Load-Coupled Heterogeneous Networks
Zhaohui Yang, Wei Xu, Jianfeng Shi +2
In this paper, we consider the network utility maximization problem with various user priorities via jointly optimizing user association, load distribution and power control in a l…
Resource Allocation for D2D Communications Underlaying a NOMA-Based Cellular Network
Yijin Pan, Cunhua Pan, Zhaohui Yang +1
This letter investigates the power control and channel assignment problem in device-to-device (D2D) communications underlaying a non-orthogonal multiple access (NOMA) cellular netw…
Pilot Reuse Among D2D Users in D2D Underlaid Massive MIMO Systems
Hao Xu, Wei Xu, Zhaohui Yang +2
In a device-to-device (D2D) underlaid massive MIMO system, D2D transmitters reuse the uplink spectrum of cellular users (CUs), leading to cochannel interference. To decrease pilot…
Power Control for Multi-Cell Networks with Non-Orthogonal Multiple Access
Zhaohui Yang, Cunhua Pan, Yijin Pan +3
In this paper, we investigate the problems of sum power minimization and sum rate maximization for multi-cell networks with non-orthogonal multiple access. Considering the sum powe…
Joint Time Allocation and Power Control in Multi-Cell Networks with Load Coupling: Energy Saving and Rate Improvement
Zhaohui Yang, Cunhua Pan, Wei Xu +2
In this paper, we consider the problems of minimizing sum power and maximizing sum rate for multi-cell networks with load coupling, where coupling relation occurs among cells due t…