نتایج جستجو برای: Modulation Index

تعداد نتایج: 541539  

Journal: :IEEE Communications Letters 2021

Emerging systems such as Internet-of-things (IoT) and machine-to-machine (M2M) communications have strict requirements on the power consumption of used equipments associated complexity in transceiver design. To meet these requirements, we propose a novel index modulation (IM) scheme, namely pulse (PIM) for single-input single-output (SISO) schemes. The proposed model uses well-localized orthogo...

Journal: :IEEE Transactions on Communications 2019

Journal: :IEEE Communications Letters 2021

In this letter, we propose a novel modulation concept which call index and composition (ICM). the proposed concept, use indices of active/deactive codeword elements compositions an integer to encode information. regard, first determine activated elements, then exploit energy levels these identify compositions. We depict practical scheme for using ICM with orthogonal frequency division multiplex...

Journal: :IEEE Transactions on Communications 2021

A novel domain for Index Modulation (IM) named “Filter Domain” is proposed. This new generalizes many existing modulations and IM domains. In addition, a scheme Shape Modulation” (FSIM) FSIM allows higher Spectral Efficiency (SE) gain than the time frequency dimensions in Single-Input Single-Output (SISO) systems. system, bit-stream mapped using an Amplitude Phase (APM) as QAM or PSK, index of ...

Journal: :CoRR 2014
T. Lakshmi Narasimhan Ananthanarayanan Chockalingam

—Index modulation, where information bits are conveyed through antenna indices (spatial modulation) and subcar-rier indices (subcarrier index modulation) in addition to information bits conveyed through conventional modulation symbols, is getting increased research attention. In this paper, we introduce precoder index modulation, where information bits are conveyed through the choice of a preco...

Journal: :IEEE Transactions on Vehicular Technology 2020

Journal: :IEEE Communications Letters 2017

Journal: :IEEE Access 2021

This paper presents a quantum-assisted index modulation for next-generation IoT wireless networks. The NP-hard selection problem is first formulated by quadratic unconstrained binary optimization (QUBO) consisting of constraints feasible solutions. To minimize the number qubits required quantum circuit, this formulation then simplified dictionary-based approach that partially exploits classical...

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