64 citations · 143 across the 23 of their papers we have counts for
23 papers
Spatial Multiplexing in Near-Field Line-of-Sight MIMO Communications: Paraxial and Non-Paraxial Deployments
Juan Carlos Ruiz-Sicilia, Marco Di Renzo, Placido Mursia +2
Sixth generation (6G) wireless networks are envisioned to include aspects of energy footprint reduction (sustainability), besides those of network capacity and connectivity, at the…
Time-Domain Channel Estimation for Extremely Large MIMO THz Communication Systems Under Dual-Wideband Fading Conditions
Evangelos Vlachos, Aryan Kaushik, Yonina C. Eldar +1
In this paper, we study the problem of extremely large (XL) multiple-input multiple-output (MIMO) channel estimation in the terahertz (THz) frequency band, considering the presence…
Integrated Sensing and Communications for IoT: Synergies with Key 6G Technology Enablers
Aryan Kaushik, Rohit Singh, Ming Li +7
The Internet of Things (IoT) and wireless generations have been evolving simultaneously for the past few decades. Built upon wireless communication and sensing technologies, IoT ne…
RIS-Assisted 6G Wireless Communications: A Novel Statistical Framework in the Presence of Direct Channel
Soumya P. Dash, Aryan Kaushik
A RIS-assisted wireless communication system in the presence of a direct communication path between the transceiver pair is considered in this paper. The transmitter-RIS and the RI…
Reconfigurable Intelligent Surfaces Assisted Communication Under Different CSI Assumptions
Bayan Al-Nahhas, Qurrat-UI-Ain Nadeem, Aryan Kaushik +1
This work studies the net sum-rate performance of a distributed reconfigurable intelligent surfaces (RISs)-assisted multi-user multiple-input-single-output (MISO) downlink communic…
Towards Integrated Sensing and Communications for 6G: A Standardization Perspective
Aryan Kaushik, Rohit Singh, Shalanika Dayarathna +8
The radio communication division of the International Telecommunication Union (ITU-R) has recently adopted Integrated Sensing and Communication (ISAC) among the key usage scenarios…
RIS-Aided Index Modulation with Greedy Detection over Rician Fading Channels
Aritra Basu, Soumya P. Dash, Aryan Kaushik +3
Index modulation schemes for reconfigurable intelligent surfaces (RIS)-assisted systems are envisioned as promising technologies for fifth-generation-advanced and sixth-generation…
Green UAV-enabled Internet-of-Things Network with AI-assisted NOMA for Disaster Management
Muhammad Ali Jamshed, Ferheen Ayaz, Aryan Kaushik +2
Unmanned aerial vehicle (UAV)-assisted communication is becoming a streamlined technology in providing improved coverage to the internet-of-things (IoT) based devices. Rapid deploy…
Indexed Multiple Access with Reconfigurable Intelligent Surfaces: The Reflection Tuning Potential
Rohit Singh, Aryan Kaushik, Wonjae Shin +3
Indexed modulation (IM) is an evolving technique that has become popular due to its ability of parallel data communication over distinct combinations of transmission entities. In t…
Millimeter Wave Channel Estimation for Lens based Hybrid MIMO with Low Resolution ADCs
Evangelos Vlachos, Aryan Kaushik, Muhammad Z. Shakir
The high path loss associated with millimeter wave (mmWave) frequency communication can be compensated by large scale antenna arrays such as multiple-input multiple-output (MIMO) s…
Flexible Hybrid Beamforming for Spectrally Efficient 6G Joint Radar-Communications
Aryan Kaushik, Evangelos Vlachos, Muhammad Z. Shakir +2
Joint radar-communications (JRC) benefits from multi-functionality of radar and communication operations using same hardware and radio frequency (RF) spectrum resources. Thus JRC s…
Covariance-Based Hybrid Beamforming for Spectrally Efficient Joint Radar-Communications
Evangelos Vlachos, Aryan Kaushik
Joint radar-communications (JRC) is considered to be a vital technology in deploying the next generation systems, since its useful in decongestion of the radio frequency (RF) spect…
Energy Efficient Dual-Functional Radar-Communication: Rate-Splitting Multiple Access, Low-Resolution DACs, and RF Chain Selection
Onur Dizdar, Aryan Kaushik, Bruno Clerckx +1
Dual-Functional Radar-Communication systems enhance the benefits of communications and radar sensing by jointly implementing these on the same hardware platform and using the commo…
Pre-scaling and Codebook Design for Joint Radar and Communication Based on Index Modulation
Shengyang Chen, Aryan Kaushik, Christos Masouros
This paper develops an efficient index modulation (IM) approach for the joint radar-communication (JRC) system based on a multi-carrier multiple-input multiple-output (MIMO) radar.…
Rate-Splitting Multiple Access for Joint Radar-Communications with Low-Resolution DACs
Onur Dizdar, Aryan Kaushik, Bruno Clerckx +1
In this paper, we introduce the design of a multi-antenna Joint Radar-Communication (JRC) system with Rate Splitting Multiple Access (RSMA) and low resolution Digital-to-Analog Con…
Hardware Efficient Joint Radar-Communications with Hybrid Precoding and RF Chain Optimization
Aryan Kaushik, Christos Masouros, Fan Liu
In this paper, we aim to achieve energy efficient design with minimum hardware requirement for hybrid precoding, which enables a large number of antennas with minimal number of RF…
A Distributed Virtual Network Function Placement Approach in Satellite Edge and Cloud Computing
Xiangqiang Gao, Rongke Liu, Aryan Kaushik
Satellite edge computing has become a promising way to provide computing services for Internet of Things (IoT) devices in remote areas, which are out of the coverage of terrestrial…
Virtual Network Function Placement in Satellite Edge Computing with a Potential Game Approach
Xiangqiang Gao, Rongke Liu, Aryan Kaushik
Satellite networks, as a supplement to terrestrial networks, can provide effective computing services for Internet of Things (IoT) users in remote areas. Due to the resource limita…
Service Chaining Placement Based on Satellite Mission Planning in Ground Station Networks
Xiangqiang Gao, Rongke liu, Aryan Kaushik
As the increase in satellite number and variety, satellite ground stations should be required to offer user services in a flexible and efficient manner. Network function virtualiza…
Energy Efficiency Maximization in Millimeter Wave Hybrid MIMO Systems for 5G and Beyond
Aryan Kaushik, John Thompson, Evangelos Vlachos
At millimeter wave (mmWave) frequencies, the higher cost and power consumption of hardware components in multiple-input multiple output (MIMO) systems do not allow beamforming enti…
Hierarchical Multi-Agent Optimization for Resource Allocation in Cloud Computing
Xiangqiang Gao, Rongke Liu, Aryan Kaushik
In cloud computing, an important concern is to allocate the available resources of service nodes to the requested tasks on demand and to make the objective function optimum, i.e.,…
Joint Bit Allocation and Hybrid Beamforming Optimization for Energy Efficient Millimeter Wave MIMO Systems
Aryan Kaushik, Evangelos Vlachos, Christos Tsinos +2
In this paper, we aim to design highly energy efficient end-to-end communication for millimeter wave multiple-input multiple-output systems. This is done by jointly optimizing the…
Energy Efficient ADC Bit Allocation and Hybrid Combining for Millimeter Wave MIMO Systems
Aryan Kaushik, Christos Tsinos, Evangelos Vlachos +1
Low resolution analog-to-digital converters (ADCs) can be employed to improve the energy efficiency (EE) of a wireless receiver since the power consumption of each ADC is exponenti…