Results 101 to 110 of about 62,657 (220)

Multi-User OFDM Employing Parallel Interference Cancellation Assisted Decision-Directed Channel Estimation

, 2002
Multiple reception antenna assisted Space Division Multiple Access (SDMA) techniques designed for wireless Orthogonal Frequency Division Multiplexing (OFDM) systems have recently drawn wide interests.
Münster, M., Hanzo, L.
core   +1 more source

Deep Learning Based Channel Estimation for UAVs: A Modified U-Net Approach

Advances in Electrical and Computer Engineering
A stable and reliable communication link is crucial for unmanned aerial vehicle (UAV) applications. Key challenges include the UAV's high mobility (10-100 km/h) and an unstable data link. Orthogonal frequency division multiplexing (OFDM) enables higher
GUPTA, C., YADAV, S. S.
doaj   +1 more source

Iterative Joint Channel Estimation and Symbol Detection for Multi-User MIMO OFDM

, 2006
Multiple-Input-Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) systems have recently attracted substantial research interest. However, compared to Single-Input-Single-Output (SISO) systems, channel estimation in the MIMO scenario
Jiang, M., Akhtman, J., Guo, F.C., Hanzo, L.   +3 more
core  

Frequency-Offset-Estimation-Assisted Transformer Neural Equalization for a 4.6 km Optical-Heterodyne RoF-Wireless OFDM Link. [PDF]

Sensors (Basel)
Ou Z, Zhou W, Zhou Y, Chen J, Lu X, Ma H, Xu S, Zhang J, Zhang H, Zhang Y, Yu J.   +10 more
europepmc   +1 more source

A novel technique for automatic hybrid modulation classification in UWA communications using 3D constellation diagrams. [PDF]

Sci Rep
Abdel-Moneim MA, Ramadan KF, El-Rabaie EM, El-Samie FEA, Abdel-Salam N.   +4 more
europepmc   +1 more source

TCM, TTCM, BICM and BICM-ID Assisted MMSE Multi-User Detected SDMA-OFDM Using Walsh-Hadamard Spreading

, 2004
Space Division Multiple Access (SDMA) aided Orthogonal Frequency Division Multiplexing (OFDM) systems assisted by efficient Multi-User Detection (MUD) techniques have recently attracted intensive research interests. Forward Error Correction (FEC) schemes
Jiang, M., Ng, S. X., Hanzo, L.
core  

Securing the sensing functionality in ISAC: KLD-based ambiguity function shaping. [PDF]

NPJ Wirel Technol
Du B, Han K, Masouros C.
europepmc   +1 more source

Blind Device Detection via Extended Sparsity Estimation-OMP in Grant-Free NOMA-IoT. [PDF]

Sensors (Basel)
Andini N, Suksmono AB, Suryana J, Usman K.   +3 more
europepmc   +1 more source

Photonics-Aided 20 m Wireless Transmission of 56-GBaud OFDM Signals at 138 GHz in the D-Band for 6G Applications. [PDF]

Sensors (Basel)
Zhang H, Pei Z, Zhang Q, Chen Y, Yu J.
europepmc   +1 more source

Performance enhancement of 6g millimeter wave links via RIS beamforming and CDL-based channel modeling. [PDF]

PLoS One
Swamy K, Turpati S, Medasani S, Addepalli T, Chandra BR, Sharma M, Pathan S.   +6 more
europepmc   +1 more source