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Article
Resource and Power Allocation for OFDM-Based Device-to-Device Communications in a Multicell Environment
We investigate the optimal resource and power allocation for device-to-device (D2D) communications in a multicell environment. When D2D links reuse the cellular radio resources, each D2D user will interfere wi...
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Article
Interference-Aware Transmission for D2D Communications in a Cellular Network
Underlay device-to-device (D2D) communication in a cellular network is expected to improve spectrum utilization as well as to enable the use of new proximity-based applications. However, deploying D2D communic...
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Article
Performance analysis of ZF receivers with imperfect CSI for uplink massive MIMO systems
We consider the uplink of massive multiple-input multiple-output systems in a multicell environment. Since the base station (BS) estimates the channel state information (CSI) using the pilot signals transmitte...
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Article
Device-to-device resource allocation in LTE-advanced networks by hybrid particle swarm optimization and genetic algorithm
D2D (Device-to-Device) communication is one of the promising technologies in the LTE (Long Term Evolution)-Advanced communication network. From system perspective, this technology can increase frequency effici...
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Article
Optimization of resource allocation for underlay device-to-device communications in cellular networks
Underlay device-to-device (D2D) communication in cellular networks has been considered as a promising technique that can improve the spectral efficiency of cellular systems and meet the growing demand for wire...
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Article
Channel Estimation and Data Detection for Multicell Massive MIMO Systems in Correlated Channels
In this study, multicell multiuser multiple-input multiple-output systems are considered with very large number of antennas at base station. We consider a physical channel model comprised finite number of angl...
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Article
Open AccessA low-complexity user selection scheme in a multicell MIMO environment
An efficient user selection scheme for the downlink of multiuser MIMO systems is proposed in a multicell environment. In a multicell environment, the intercell interference is one of the most influential facto...
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Article
Open AccessAdvanced technologies for LTE advanced
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Article
Efficient Partial Relaying Protocol for Wireless Multi-Hop Transmission
We propose a multi-hop transmission protocol suitable for the reverse link of cellular systems. The proposed protocol, referred to as cooperative multiplexing with partial relaying (CM-PR), is based on relayin...
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Article
Open AccessDistributed user selection scheme for uplink multiuser MIMO systems in a multicell environment
We propose an interference-aware user selection scheme for uplink multiuser multiple-input multiple-output systems in a multicell environment. The proposed scheme works in a distributed manner. Each mobile sta...
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Article
Open AccessOverview of enabling technologies for 3GPP LTE-advanced
As the long term evolution (LTE) standard comes to an end, 3rd Generation Partnership Project is discussing further evolution of the LTE to meet the international mobile telecommunications advanced requirement...
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Article
Open AccessNear-Optimum Detection with Low Complexity for Uplink Virtual MIMO Systems
In mobile worldwide interoperability for microwave access (WiMAX) or 3rd Generation partnership project long-term evolution (3GPP-LTE), uplink virtual multiple input multiple output (MIMO) technology is adopte...
