Results 11 to 20 of about 144 (113)

Investigation on Evolving Single-Carrier NOMA Into Multi-Carrier NOMA in 5G [PDF]

open access: yesIEEE Access, 2018
Non-orthogonal multiple access (NOMA) is one promising technology, which provides high system capacity, low latency, and massive connectivity, to address several challenges in the fifth-generation wireless systems. In this paper, we first reveal that the
Jie Zeng   +6 more
doaj   +2 more sources

A Deep Learning-Based Approach to Power Minimization in Multi-Carrier NOMA With SWIPT

open access: yesIEEE Access, 2019
Simultaneous wireless information and power transfer (SWIPT) and multi-carrier non-orthogonal multiple access (MC-NOMA) are promising technologies for future fifth generation and beyond wireless networks due to their potential capabilities in energy ...
Jingci Luo   +5 more
doaj   +2 more sources

Performance Analysis of Dynamic Switching Method for Signal Relay Protocols for Cooperative PDMA Networks over Nakagami-m Fading Channels

open access: yesTelecom
This study investigates a dynamic switching method for signal relay protocols in Cooperative Pattern Division Multiple Access (Co-PDMA) networks. The proposed approach aims to fully utilize the advantages of signal relays in fading-prone environment ...
Wanwei Tang   +3 more
doaj   +2 more sources

Research on capacity enhancement technology based on NTN [PDF]

open access: yesDianxin kexue
Satellite communication, as a key component of the global communication network, is irreplaceable in providing coverage in remote areas and for emergency communications.
LIN Jiaxian   +3 more
doaj   +2 more sources

Uplink grant‐free pattern division multiple access transmission scheme by exploiting poly complementary sequence [PDF]

open access: yes, 2022
Non-orthogonal multiple access (NOMA) technology is a key technology of the future cellular mobile communication system. It provides services for users under different channel conditions through signal superposition transmission and spectrum multiplexing.
Libiao Jin   +9 more
core   +1 more source

Investigation of pattern division multiple access technique in wireless communication networks

open access: yes, 2022
Recently, pattern division multiple access (PDMA) is a non-orthogonal multiple access system that is now being developed in next-generation telecoms to address the requirement for mass connectivity.
Mohammed, Khalid Khalil   +1 more
core   +2 more sources

Research on improved multiple users detection algorithm in pattern division multiple access system

open access: yes, 2023
Receiver detection algorithm has always been a research hotspot in communication system and the key point to determine the performance of 5G system. Both industry and academia have been committed to finding detection algorithms with lower complexity and ...
Han, Guofeng   +5 more
core   +1 more source

Low Complexity Iterative Receiver With Lossless Information Transfer for Non-Binary LDPC Coded PDMA System

open access: yesIEEE Access, 2020
In this work, we first proposed a non-binary low-density parity-check (NB-LDPC) coded pattern division multiple access (PDMA) scheme with the order of the Galois field equal to the size of modulation alphabet which can avoid the symbol-to-bit or bit-to ...
Hanqing Ding   +6 more
doaj   +1 more source

An Uplink Transmission Scheme for Pattern Division Multiple Access Based on DFT Spread Generalized Multi-Carrier Modulation

open access: yesIEEE Access, 2018
In order to meet the requirements of high system throughput, massive connectivity, and asynchronous transmission for 5G and beyond, non-orthogonal transmission techniques, including modulation techniques and multiple access techniques, have attracted a ...
Xin Bian   +4 more
doaj   +1 more source

Link Performance Estimation Technique for PDMA Uplink System

open access: yesIEEE Access, 2017
Pattern division multiple access (PDMA) is a promising non-orthogonal multiple access scheme for the fifth generation mobile communication system. Link performance estimation technique is the key to ensure accurate performance evaluation of the PDMA ...
Bin Ren   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy