Results 91 to 100 of about 30,726 (232)
Robust Design for Intelligent Reflecting Surface Assisted MIMO-OFDMA Terahertz Communications [PDF]
, 2020 Wanming Hao +6 more
openalex +1 more source
IET Communications, Volume 19, Issue 1, January/December 2025.This article tackles the problem of energy‐efficient joint resource management and UAV trajectory optimisation in such networks by incorporating Non‐Orthogonal Multiple Access (NOMA). ABSTRACT With the increasing demand for high‐quality, computing‐intensive mobile services, the next‐generation networks must provide users with instantly available and ...
Hossein Rahmani +2 more
wiley +1 more source
Accurate Signal Recovery in UHF Band Reuse-1 Cellular OFDMA Downlinks [PDF]
, 2021 K. Giridhar, Abhay Mohan M V
openalex +1 more source
Rate Splitting Multiple Access in V2X
IET Intelligent Transport Systems, Volume 19, Issue 1, January/December 2025.This paper investigates the integration of rate‐splitting multiple access (RSMA) into cellular vehicle‐to‐everything (C‐V2X) networks to enhance resource allocation and interference management in decentralized, ad‐hoc vehicular communication environments.
Arun Kumar +3 more
wiley +1 more source
International Journal of Digital Multimedia Broadcasting, 2012 We study the important problem of resource allocation for the downlink of Multiple-Input Multiple output (MIMO) Multicast Wireless Systems operating over frequency-selective channels and we propose a low-complexity but efficient resource allocation ...
Ioannis G. Fraimis +1 more
doaj +1 more source
IET Networks, Volume 14, Issue 1, January/December 2025.In emergency situations where ground base stations are disabled, UAVs, due to their low cost and high adaptability, restore communication coverage in remote areas. The main challenge is optimally determining the three‐dimensional positions of the UAVs to meet dynamic user demand and reduce interference.
Nooshin Boroumand Jazi +2 more
wiley +1 more source
, 2014 Multicarrier CDMA is a multiple access scheme in which modulated QAM symbols are spread over OFDMA tones by using a generally complex spreading sequence. Effectively, a QAM symbol is repeated over multiple tones.
Baligh, Hadi +3 more
core +1 more source
, 2018 Cellular networks are constantly lagging in terms of the bandwidth needed to support the growing high data rate demands. The system needs to efficiently allocate its frequency spectrum such that the spectrum utilization can be maximized while ensuring ...
Chowdhury, Mostafa Zaman +2 more
core +1 more source
Resource Allocation for Downlink Multi-Cell OFDMA Cognitive Radio Network Using Hungarian Method [PDF]
, 2013 This paper considers the problem of resource allocation for downlink part of an OFDM-based multi-cell cognitive radio network which consists of multiple secondary transmitters and receivers communicating simultaneously in the presence of multiple primary
Forouzan, Nafiseh, Ghorashi, Seyed Ali
core
International Journal of Distributed Sensor Networks, 2016 This paper proposes a novel and energy efficient Internet of Things (IoT) communication scheme for next generation Wireless Local Area Network (WLAN).
Woojin Ahn +2 more
doaj +1 more source