Results 1 to 10 of about 572 (65)
A Novel Concatenated Coded Modulation Based on GFDM for Access Optical Networks
IEEE Photonics Journal, 2018 In this paper, we proposed a novel concatenated coded modulation composed of adaptive turbo code with trellis-coded modulation (ATTCM) that is based on generalized frequency division multiplex (GFDM) system.
Feng Tian +6 more
doaj +3 more sources
Adaptive Coded Modulation for OFDM System
Journal of Engineering, 2023 This paper studies the adaptive coded modulation for coded OFDM system using punctured convolutional code, channel estimation, equalization and SNR estimation.
Serkout N. Abdullah +1 more
doaj +1 more source
Improved Schemes of Differential Spatial Modulation
IEEE Access, 2021 Differential spatial modulation (DSM) is able to transmit additional data bits without increasing the number of radio-frequency chains and power consumption and also avoids pilot overhead.
Ruey-Yi Wei, Yi-Wei Tsai, Shih-Lun Chen
doaj +1 more source
Polar-Coded OFDM With Index Modulation
IEEE Access, 2021 In this paper, we apply polar codes to a modified version of OFDM systems with index modulation which is called OFDM with in-phase/quadrature index modulation (OFDM-I/Q-IM).
Si-Yu Zhang, Behnam Shahrrava
doaj +1 more source
Some new RS-coded orthogonal modulation schemes for future GNSS
ICT Express, 2021 Considering the availability of the global navigation satellite system (GNSS) signals and the increase in its data rate in the future, this paper proposes some new Reed-Solomon coded (RS-coded) orthogonal modulation schemes using the Hadamard codes, as ...
Hyunwoo Cho +3 more
doaj +1 more source
Space–time line coded spatial modulation
Electronics Letters, 2022 In this letter, a novel multiple‐input multiple‐output transceiver technique, named space–time line coded spatial modulation (STLC‐SM) is proposed, where two modulation symbols are transmitted through one of the multiple transmit antennas determined by ...
Ki‐Hun Lee +2 more
doaj +1 more source
Asymmetrically Clipped Optical Hadamard Coded Modulation (ACO-HCM)
IEEE Photonics Journal, 2023 In many optical wireless communications systems, power efficiency is paramount. In others, flexibility is important. To achieve these goals, this paper presents a novel transmission scheme dubbed asymmetrically clipped optical Hadamard coded modulation ...
Henrik Schulze, Peter A. Hoeher
doaj +1 more source
Ternary Trellis Coded Modulation
IEEE Access, 2019 Ternary trellis coded modulation (TTCM) is introduced. This combines triangular signal constellations with ternary convolutional codes. The performance of TTCM is presented and compared with binary trellis coded modulation (BTCM) which employs square ...
Mahmoud Abdelaziz, T. Aaron Gulliver
doaj +1 more source
FPGA-Implemented Fractal Decoder with Forward Error Correction in Short-Reach Optical Interconnects
Entropy, 2022 Forward error correction (FEC) codes combined with high-order modulator formats, i.e., coded modulation (CM), are essential in optical communication networks to achieve highly efficient and reliable communication.
Svitlana Matsenko +7 more
doaj +1 more source
BICM-ID Labeling-Based Recipient Identification in a Heterogeneous Network
Sensors, 2023 The concept of labeling-based recipient identification (LABRID) for bit-interleaved coded modulation with iterative decoding (BICM-ID) is revisited.
Maciej Krasicki
doaj +1 more source