Results 11 to 20 of about 79,941 (235)
Photonics, 2021 In order to increase transmission capacity, multiplexing schemes in different physical dimensions, including time, frequency, modulation quadrature, polarization, and space, can be employed.
Wahyu-Hendra Gunawan +4 more
doaj +3 more sources
Orthogonal Chirp Division Multiplexing
IEEE Transactions on Communications, 2016 Chirp waveform plays a significant role in radar and communication systems for its ability of pulse compression and spread spectrum. This paper presents a principle of orthogonally multiplexing a bank of linear chirp waveforms within the same bandwidth ...
Ouyang, Xing, Zhao, Jian
core +3 more sources
Orthogonal-frequency-division multiplexing for dispersion compensation of long-haul optical systems.
Optics Express, 2006 We show using simulations that a combination of Orthogonal Frequency Division Multiplexing (OFDM) and Optical Single Sideband Modulation (OSSB) can be used to adaptively compensate for chromatic dispersion in ultra-long-haul 10 Gbps Standard Single-Mode ...
Arthur James Lowery, J. Armstrong
semanticscholar +3 more sources
Composite Multiple-Mode Orthogonal Frequency Division Multiplexing With Index Modulation
IEEE Transactions on Wireless Communications, 2023 Jun Li +6 more
semanticscholar +3 more sources
Analysis of GFDM as a robust 5G communication technique in noisy environment [PDF]
, 2020 One of the challenges of modulation techniques used in Fifth-Generation (5G) is their robustness in noisy environment. Conventional Orthogonal Frequency Division Multiplexing (OFDM) cannot be considered as a 5G waveform in its original form because of ...
Ayaz, Ferheen, Ayaz, Saqib
core +1 more source
Orthogonal frequency division multiplexing with subcarrier power modulation for doubling the spectral efficiency of 6G and beyond networks [PDF]
Transactions on Emerging Telecommunications Technologies, 2020 With the emergence of new applications (eg, extended reality [XR] and haptics), which require to be simultaneously served not just with low latency and sufficient reliability, but also with high spectral efficiency, future networks (ie, 6G and beyond ...
Jehad M. Hamamreh +2 more
semanticscholar +1 more source
Heliyon, 2023 For Orthogonal Frequency Division Multiplexing (OFDM) systems, the most significant problem is the peak-to-average power ratio. The utilisation of partial transmission sequence, often known as PTS, is an efficient method for reducing PAPR.
Xingsi Xue +5 more
doaj +1 more source
Time-and-Frequency Hybrid Multiplexing for Flexible Ambiguity Controls of DFT-coded MIMO OFDM Radar
IEEE Access, 2021 A time-and-frequency hybrid multiplexing technique for a multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) radar is proposed. Discrete Fourier transform (DFT)-coded OFDM waveforms are introduced, which allow it to be
Junseuk Suh +3 more
doaj +1 more source
A comparison of MIMO-OFDM and MIMO-SCFDE in WLAN environments [PDF]
, 2003 Recent developments in orthogonal frequency division multiplexing (OFDM) and single-carrier frequency-domain equalization (SCFDE) have sparked debate about the superiority of one method over the other.
Armour, SMD +5 more
core +2 more sources