Zobrazeno 1 - 10
of 194
pro vyhledávání: '"Aditya K. Jagannatham"'
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 1504-1524 (2024)
A new affine-precoded superimposed pilot (AP-SIP) scheme is conceived for both wireless channel and radar target parameter estimation in a millimeter wave (mmWave) multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM
Externí odkaz:
https://doaj.org/article/f194f438a0ce46a5b153cb604fa06a81
Publikováno v:
IEEE Open Journal of Vehicular Technology, Vol 5, Pp 200-218 (2024)
Asynchronous distributed hybrid beamformers (ADBF) are conceived for minimizing the total transmit power subject to signal-to-interference-plus-noise ratio (SINR) constraints at the users. Our design requires only limited information exchange between
Externí odkaz:
https://doaj.org/article/a81bb1b535ba484e899eff47e0246b1a
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 185-201 (2024)
Low-complexity fusion rules relying on hybrid combining are proposed for decision fusion in frequency selective millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) sensor networks (SNs). Both centralized (C-MIMO) and distributed (D
Externí odkaz:
https://doaj.org/article/0ef0a7dc19f94bab85db1a12c20494e1
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 4, Pp 2897-2912 (2023)
The downlink (DL) of a reconfigurable intelligent surface (RIS)-aided multi-user (MU) millimeter wave (mmWave) multiple-input multiple-output (MIMO) system relying on a non-diagonal RIS (NDRIS) phase shift matrix is considered. A max-min fairness (MM
Externí odkaz:
https://doaj.org/article/02239ed267cb4a4eb167a83f179c6f80
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 4, Pp 2062-2079 (2023)
Sparse multipath channel impulse response (CIR) estimation schemes are conceived for optical orthogonal frequency division multiplexing (O-OFDM) visible light communication (VLC) systems. We commence by deriving the input-output models for both asymm
Externí odkaz:
https://doaj.org/article/3fc3e6af0e664f899680ebafb77abbf9
Publikováno v:
IEEE Access, Vol 11, Pp 96052-96067 (2023)
In this work, frequency selective hybrid precoders and combiners are designed for a millimeter wave (mmWave) multiuser (MU) multiple-input-multiple-output (MIMO) downlink underlay cognitive radio network (CRN) utilizing multiple radio frequency (RF)
Externí odkaz:
https://doaj.org/article/347b249b89f1412f8fdf4cafa68968db
Publikováno v:
IEEE Open Journal of Vehicular Technology, Vol 4, Pp 581-589 (2023)
The energy efficiency (EE) of the reconfigurable intelligent surface (RIS) aided multiuser (MU) millimeterwave (mmWave) multi-input multi-output (MIMO) downlink is maximized by jointly optimizing the transmit power and number of active radio frequenc
Externí odkaz:
https://doaj.org/article/d82a3aef6ad1426b9b8d352dfa887f5e
Autor:
Jitendra Singh, Indranil Chatterjee, Suraj Srivastava, Abhishek Agrahari, Aditya K. Jagannatham, Lajos Hanzo
Publikováno v:
IEEE Open Journal of Vehicular Technology, Vol 4, Pp 241-256 (2023)
A hybrid transceiver architecture is conceived for a cognitive radio (CR) aided millimeter wave (mmWave) multiuser (MU) multiple-input multiple-output (MIMO) downlink system relying on multiple radio frequency (RF) chains both at the CR base station
Externí odkaz:
https://doaj.org/article/87fc761f6709407d857f209b49243de6
Publikováno v:
IEEE Access, Vol 10, Pp 132836-132852 (2022)
This work conceives novel target detection and parameter estimation schemes in millimeter-wave (mmWave) multiple-input multiple-output (MIMO) radar (mMR) systems for both stationary and mobile targets/radar platform. Initially, the orthogonal matchin
Externí odkaz:
https://doaj.org/article/ae736c058a684cdaa603c1e88392cd22
Publikováno v:
IEEE Access, Vol 10, Pp 113699-113714 (2022)
This work conceives dictionary-learning (DL)-based sparse channel estimation schemes for multi-user Terahertz (THz) hybrid MIMO systems incorporating also non-idealities such as hardware impairments and beam-squint effect. Due to the presence of larg
Externí odkaz:
https://doaj.org/article/049dd417a31b4a2a805ee1b69efd1c53