Dual-Mode Index Modulation Aided OFDM With Constellation Power Allocation and Low-Complexity Detector Design
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Access"
DOI: 10.1109/access.2017.2756679
Abstract: Dual-mode index modulation aided orthogonal frequency division multiplexing (DM-OFDM) is recently proposed, which modulates all subcarriers to eliminate the limits of spectrum efficiency (SE) in OFDM with index modulation (OFDM-IM). In DM-OFDM, the subcarriers within… read more here.
Keywords: modulation; complexity; power; detector ... See more keywords
Coherent and Non-Coherent Multilayer Index Modulation
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DOI: 10.1109/access.2019.2923445
Abstract: Index modulation assisted OFDM (OFDM-IM) has become a popular technique in wireless communications. In this paper, we proposes a novel multilayer framework for OFDM-IM. Being quite generic in its nature, the framework can be amalgamated… read more here.
Keywords: index modulation; coherent; multilayer index; index ... See more keywords
Linear Constellation Precoded OFDM With Interleaved Subcarrier Index Modulation
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DOI: 10.1109/access.2019.2923683
Abstract: Orthogonal frequency-division multiplexing with index modulation (OFDM-IM) is an emerging and promising multicarrier transmission technique; however, frequency diversity achievement requires further investigation for the OFDM-IM. In this paper, the linear constellation precoded OFDM with interleaved… read more here.
Keywords: index modulation; tex math; inline formula; detection ... See more keywords
Hybrid Chaos Communication With Code Index Modulation
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DOI: 10.1109/access.2019.2931355
Abstract: Hybrid chaos communication (HCC) is promising for covert transmission by delivering confidential information via chaotic signals. To enhance the transmission rate and the energy efficiency while maintaining a low probability of interception, in this paper,… read more here.
Keywords: index modulation; hcc; hybrid chaos; code index ... See more keywords
An Efficient Index Mapping Algorithm for OFDM-Index Modulation
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DOI: 10.1109/access.2019.2960572
Abstract: An index mapping algorithm that efficiently associates the subcarrier activation pattern (SAP) or constellation mode pattern (CMP) sequences with the index selecting bit (ISB) sequences is proposed to improve the error performances of two OFDM-‘index… read more here.
Keywords: index modulation; ofdm index; index mapping; mapping algorithm ... See more keywords
OFDM With Hybrid Number and Index Modulation
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DOI: 10.1109/access.2020.2982088
Abstract: A novel transmission scheme is introduced for efficient data transmission by conveying additional information bits through jointly changing the index and number of active subcarriers within each orthogonal frequency division multiplexing (OFDM) subblock. The proposed… read more here.
Keywords: index modulation; modulation ofdm; modulation; number index ... See more keywords
Deep Learning Assisted Detection for Index Modulation Aided mmWave Systems
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DOI: 10.1109/access.2020.3035961
Abstract: In this paper, we propose deep learning assisted detection for index modulation millimeter wave (mmWave) systems, where we train a neural network (NN) to jointly detect the transmitted data and index information without relying on… read more here.
Keywords: index modulation; assisted detection; learning assisted; index ... See more keywords
Quantum Speedup for Index Modulation
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DOI: 10.1109/access.2021.3103207
Abstract: This paper presents a quantum-assisted index modulation for next-generation IoT wireless networks. The NP-hard index selection problem is first formulated by a quadratic unconstrained binary optimization (QUBO) problem consisting of constraints of feasible solutions. To… read more here.
Keywords: index modulation; quantum speedup; problem; speedup index ... See more keywords
Spatial Index Modulation With the Combination of Both Antenna Indexes and Two Constellations
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DOI: 10.1109/access.2022.3230838
Abstract: In this paper, in order to further exploit the antenna index (AI) domain for increasing the spectral efficiency, we propose a new schematic of enhanced generalized spatial modulation with both three dimension constellation and QAM… read more here.
Keywords: index; modulation combination; vector; index modulation ... See more keywords
Generalized Differential Index Modulation for Pilot-Free Communications
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DOI: 10.1109/jiot.2020.3042627
Abstract: Short packet transmission is a key ingredient for the Internet-of-Things (IoT) communications that require extremely low latency. The pilot-based short packet transmission makes lower spectral efficiency and larger transmission delays. To resolve this problem, in… read more here.
Keywords: index modulation; generalized differential; gdim; pilot ... See more keywords
Performance of LoRa-Based Schemes and Quadrature Chirp Index Modulation
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DOI: 10.1109/jiot.2021.3114096
Abstract: This article proposes new approximations for the bit error probability of several LoRa-based schemes, such as phase-shift keying (PSK) LoRa, in-phase and quadrature (IQ) chirp spread spectrum (CSS), discrete chirp rate keying (DCRK) CSS, and… read more here.
Keywords: index modulation; based schemes; quadrature chirp; lora based ... See more keywords