Search results: Sage Journals

Restricted accessResearch articleFirst published October, 2022

Channel capacity analysis of non-orthogonal multiple access and massive multiple-input multiple-output wireless communication networks considering perfect and imperfect channel state information

Ravi Shankar, Shovon Nandi, Ajay Rupani

The Journal of Defense Modeling and Simulation: Applications,Methodology,Technology

Open accessResearch articleFirst published April, 2020

A two-channel slotted sense multiple access protocol for timely and reliable data transmission in industrial wireless sensor networks

Md Abul Kalam Azad, Chi Trung Ngo, Hoon Oh

International Journal of Distributed Sensor Networks

Open accessResearch articleFirst published January, 2019

A fractional Fourier transform–based channel estimation algorithm in single-carrier direct sequence code division multiple access underwater acoustic communication system

Lin Zhou, Qingsheng Zhao, Shukai Chi [...]

International Journal of Distributed Sensor Networks

Restricted accessResearch articleFirst published October, 2022

Analysis of the energy harvesting non-orthogonal multiple access technique for defense applications over Rayleigh fading channel conditions

Manoj Kumar Beuria, Ravi Shankar, Sudhansu Sekhar Singh

The Journal of Defense Modeling and Simulation: Applications,Methodology,Technology

Restricted accessResearch articleFirst published November, 2016

Dynamic access approach to multiple channels in pervasive wireless multimedia communications for technology enhanced learning

Dingde Jiang, Yang Han, Zhihan Lv [...]

Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology

Restricted accessResearch articleFirst published October, 2022

Examination of the fifth-generation vehicular simultaneous wireless information and power transfer cooperative non-orthogonal multiple access network in military scenarios considering time-varying and imperfect channel state information conditions

Sharnil Pandya, Patteti Krishna, Ravi Shankar [...]

The Journal of Defense Modeling and Simulation: Applications,Methodology,Technology

Open accessResearch articleFirst published September, 2018

Distributed parameter estimation in wireless sensor networks in the presence of fading channels and unknown noise variance

Shoujun Liu, Kezhong Liu, Jie Ma [...]

International Journal of Distributed Sensor Networks

Restricted accessResearch articleFirst published July, 2022

Examination of a non-orthogonal multiple access scheme for next generation wireless networks

Ravi Shankar

The Journal of Defense Modeling and Simulation: Applications,Methodology,Technology

Restricted accessResearch articleFirst published October, 2022

Sum rate capacity of non-orthogonal multiple access scheme with optimal power allocation

Lokesh Bhardwaj, Ritesh Kumar Mishra, Ravi Shankar

The Journal of Defense Modeling and Simulation: Applications,Methodology,Technology

Open accessResearch articleFirst published August, 2017

Multi-channel time division multiple access timeslot scheduling with link recovery for multi-hop wireless sensor networks

Junhee Lee, Wun-Cheol Jeong, Byeong-Cheol Choi

International Journal of Distributed Sensor Networks

Restricted accessResearch articleFirst published October, 2022

Channel capacity analysis of non-orthogonal multiple access and massive multiple-input multiple-output wireless communication networks considering perfect and imperfect channel state information

Ravi Shankar, Shovon Nandi, Ajay Rupani

The Journal of Defense Modeling and Simulation: Applications,Methodology,Technology

Open accessResearch articleFirst published April, 2020

A two-channel slotted sense multiple access protocol for timely and reliable data transmission in industrial wireless sensor networks

Md Abul Kalam Azad, Chi Trung Ngo, Hoon Oh

International Journal of Distributed Sensor Networks

Open accessResearch articleFirst published January, 2019

A fractional Fourier transform–based channel estimation algorithm in single-carrier direct sequence code division multiple access underwater acoustic communication system

Lin Zhou, Qingsheng Zhao, Shukai Chi [...]

International Journal of Distributed Sensor Networks

Restricted accessResearch articleFirst published October, 2022

Analysis of the energy harvesting non-orthogonal multiple access technique for defense applications over Rayleigh fading channel conditions

Manoj Kumar Beuria, Ravi Shankar, Sudhansu Sekhar Singh

The Journal of Defense Modeling and Simulation: Applications,Methodology,Technology

Restricted accessResearch articleFirst published November, 2016

Dynamic access approach to multiple channels in pervasive wireless multimedia communications for technology enhanced learning

Dingde Jiang, Yang Han, Zhihan Lv [...]

Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology

Restricted accessResearch articleFirst published October, 2022

Examination of the fifth-generation vehicular simultaneous wireless information and power transfer cooperative non-orthogonal multiple access network in military scenarios considering time-varying and imperfect channel state information conditions

Sharnil Pandya, Patteti Krishna, Ravi Shankar [...]

The Journal of Defense Modeling and Simulation: Applications,Methodology,Technology

Open accessResearch articleFirst published September, 2018

Distributed parameter estimation in wireless sensor networks in the presence of fading channels and unknown noise variance

Shoujun Liu, Kezhong Liu, Jie Ma [...]

International Journal of Distributed Sensor Networks

Restricted accessResearch articleFirst published July, 2022

Examination of a non-orthogonal multiple access scheme for next generation wireless networks

Ravi Shankar

The Journal of Defense Modeling and Simulation: Applications,Methodology,Technology

Restricted accessResearch articleFirst published October, 2022

Sum rate capacity of non-orthogonal multiple access scheme with optimal power allocation

Lokesh Bhardwaj, Ritesh Kumar Mishra, Ravi Shankar

The Journal of Defense Modeling and Simulation: Applications,Methodology,Technology

Open accessResearch articleFirst published August, 2017

Multi-channel time division multiple access timeslot scheduling with link recovery for multi-hop wireless sensor networks

Junhee Lee, Wun-Cheol Jeong, Byeong-Cheol Choi

International Journal of Distributed Sensor Networks