Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Asil Koc"'
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 2268-2286 (2024)
This paper presents a novel approach to full-duplex (FD) massive multiple-input multiple-output (mMIMO) systems using hybrid beamforming (HBF) architecture, enabling simultaneous uplink (UL) and downlink (DL) transmission within the same frequency ba
Externí odkaz:
https://doaj.org/article/f7d950cea8ee492e87b7a066a2cfbd1e
Autor:
Tho Le-Ngoc, Yuanzhe Gong, Mobeen Mahmood, Asil Koc, Robert Morawski, James Gary Griffiths, Philippe Guillemette, Jamal Zaid, Peiwei Wang
Publikováno v:
IEEE Open Journal of Vehicular Technology, Vol 5, Pp 560-576 (2024)
In-band full-duplex (FD) operation can double the spectral efficiency of massive multiple-input multiple-output (mMIMO) systems by allowing simultaneous transmission and reception over the same time/frequency slot. However, the main challenge encount
Externí odkaz:
https://doaj.org/article/f4cc31e928124a45ba6e3291baaa9370
Autor:
Asil Koc, Tho Le-Ngoc
Publikováno v:
IEEE Access, Vol 10, Pp 51771-51791 (2022)
This work introduces a novel full-duplex hybrid beamforming (FD-HBF) technique for the millimeter-wave (mmWave) multi-user massive multiple-input multiple-output (MU-mMIMO) systems, where a full-duplex (FD) base station (BS) simultaneously serves hal
Externí odkaz:
https://doaj.org/article/2a95431c30074ded9c8b87d72c567137
Autor:
Asil Koc, Tho Le-Ngoc
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 2, Pp 754-774 (2021)
Millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems have been considered as one of the primary candidates for the fifth generation (5G) and beyond 5G wireless communication networks to satisfy the ever-increasing capacity d
Externí odkaz:
https://doaj.org/article/ba9b77b5925f4fa697f2e323b9626f8c
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 2, Pp 1842-1861 (2021)
This paper investigates a multi-user massive multiple-input multiple-output (MU-mMIMO) hybrid precoding (HP) scheme using low-resolution phase shifters (PSs) and digital-to-analog converters (DACs). The proposed HP approach involves two stages: RF be
Externí odkaz:
https://doaj.org/article/a641b5286139474881452a1574ae1ac7
Publikováno v:
IEEE Access, Vol 9, Pp 145115-145132 (2021)
This paper presents a novel channel estimation technique for the multi-user massive multiple-input multiple-output (MU-mMIMO) systems using angular-based hybrid precoding (AB-HP). The proposed channel estimation technique generates group-wise channel
Externí odkaz:
https://doaj.org/article/d2d914d7a86e4bccaa6d3dae847f7461
Publikováno v:
Frontiers in Communications and Networks, Vol 2 (2022)
In this study, a novel cluster index modulation (CIM) scheme, which is based on indexing the available clusters in the environment, is proposed for future mmWave communication systems. Exploiting the fact that the available clusters in the system are
Externí odkaz:
https://doaj.org/article/c26d89bb5a054b6994d3b367929439ef
Publikováno v:
IEEE Access, Vol 8, Pp 84689-84712 (2020)
This paper proposes a new user grouping algorithm and three-dimensional (3D) angular-based hybrid precoding (AB-HP) scheme for massive multi-user multiple-input multiple-output (MU-MIMO) systems using uniform rectangular arrays (URA). At first, the u
Externí odkaz:
https://doaj.org/article/a82f8ad21153441b957c8d42567e55fe
Publikováno v:
IEEE Communications Letters. 26:1393-1397
Autor:
Tho Le-Ngoc, Asil Koc
Publikováno v:
IEEE Access. 10:51771-51791