Results 61 to 70 of about 5,341,111 (402)

Packet-Level Index Modulation for LoRaWAN

open access: yesIEEE Access, 2021
The long range wide area network (LoRaWAN) is one of the enabling technologies for low power wide area (LPWA) networks. In LoRaWAN, a node transmits its packet to a gateway (GW) in an autonomous and decentralized manner.
Koichi Adachi   +5 more
doaj   +1 more source

Large Intelligent Surface-Based Generalized Index Modulation

open access: yesIEEE Communications Letters, 2021
Novel communication technology based on large intelligent surface (LIS), which manipulates the phase of the incident waves to enhance the communication quality, has been proposed as a promising candidate for future wireless communication systems and ...
Lechen Zhang, Xia Lei, Yue Xiao, Teng Ma
semanticscholar   +1 more source

A genetic algorithm based method of optimizing dispersion matrix for RDSM system

open access: yesDianxin kexue, 2022
Rectangular differential spatial modulation (RDSM) is a multi-antenna incoherent modulation technology with high spectral efficiency, low power consumption, and zero-overhead for channel estimation.RDSM is especially suitable for 6G communication systems,
Peng ZHANG, Xiaoping JIN, Dongxiao CHEN
doaj  

Intelligent Reflecting Surface Assisted Beam Index-Modulation for Millimeter Wave Communication [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2020
Millimeter wave communication is eminently suitable for high-rate wireless systems, which may be beneficially amalgamated with intelligent reflecting surfaces (IRS), while relying on beam-index modulation.
S. Gopi, S. Kalyani, L. Hanzo
semanticscholar   +1 more source

Surface acoustic waves for acousto-optic modulation in buried silicon nitride waveguides [PDF]

open access: yes, 2019
We theoretically investigate the use of Rayleigh surface acoustic waves (SAWs) for refractive index modulation in optical waveguides consisting of amorphous dielectrics.
Boller, Klaus-J.   +2 more
core   +3 more sources

Generalized Frequency Division Multiplexing With Flexible Index Modulation

open access: yesIEEE Access, 2017
After the vision and the overall objectives of future wireless networks for 2020 and beyond have been defined, standardization activities for fifth generation (5G) wireless networks have been started.
Ersin Ozturk   +2 more
doaj   +1 more source

Single-index modulated multiple testing [PDF]

open access: yesThe Annals of Statistics, 2014
In the context of large-scale multiple testing, hypotheses are often accompanied with certain prior information. In this paper, we present a single-index modulated (SIM) multiple testing procedure, which maintains control of the false discovery rate while incorporating prior information, by assuming the availability of a bivariate $p$-value, $(p_1,p_2)$
Du, Lilun, Zhang, Chunming
openaire   +4 more sources

Estimation of the modulation index of cpm signals using hos [PDF]

open access: yes, 1993
Three simple methods are proposed for the estimation of the modulation index of continuous phase modulated signals in noise. These methods employ the estimated autocorrelation and fourth-order cumulant sequences of the received signal after sampling at ...
Rodríguez Fonollosa, Javier   +1 more
core   +1 more source

Unified Power Allocation for Receive Spatial Modulation Based on Approximate Optimization

open access: yesIEEE Access, 2018
In this paper, a novel unified power allocation (PA) framework is proposed for receive (pre-coding aided) spatial modulation (RSM). We find that the PA matrix design can be formulated as a non-convex quadratically constrained quadratic program (QCQP ...
Ping Yang   +5 more
doaj   +1 more source

Passive Backscatter Communication Scheme for OFDM-IM with Dynamic Carrier Activation

open access: yesSensors, 2023
Multicarrier backscattering has been proposed to improve the communication rate, but the complex circuit structure of multicarrier backscattering devices requires more power consumption, resulting in devices far away from the radio frequency (RF) source ...
Shibao Li, Rui Lu
doaj   +1 more source

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