Zobrazeno 1 - 10
of 352
pro vyhledávání: '"Index Modulation (IM)"'
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 5, Pp 1459-1470 (2024)
In this paper, Index Modulation (IM) aided Generalized Space-Time Block Coding (GSTBC) is proposed, which intrinsically exploits the benefits of IM concept, diversity gain and spatial multiplexing gain. Specifically, the information bits are partitio
Externí odkaz:
https://doaj.org/article/3cec52d34fba49d58ab9de0c81d858e5
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 4, Pp 948-955 (2024)
In this paper, efficient signal detectors are designed for Orthogonal Time Frequency Space (OTFS) modulation with Index Modulation (IM) systems. Firstly, the Minimum Mean Squared Error (MMSE) based linear equalizer and its corresponding soft-aided de
Externí odkaz:
https://doaj.org/article/7033d883ef0f4f3085515f88d14738b0
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 56, Iss , Pp 101778- (2024)
Index modulation (IM) techniques are among the competitive candidates for fifth-generation and beyond (5GB) systems, offering new ways of conveying information thanks to their advantages such as structure flexibility and hardware convenience. Meanwhi
Externí odkaz:
https://doaj.org/article/a6e06560417a4afcb816455f7b8152e9
Publikováno v:
IEEE Access, Vol 12, Pp 154864-154876 (2024)
In this paper, a novel phase offset (PO)-aided index modulation (IM) for orbital angular momentum (OAM) communication, called OAM-PO-IM, is proposed to enhance capacity. The proposed system conveys two types of index information including an active m
Externí odkaz:
https://doaj.org/article/f4b0b900690e4aa0b33b0f35f03cabce
Autor:
Kein Yukiyoshi, Taku Mikuriya, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Naoki Ishikawa
Publikováno v:
IEEE Transactions on Quantum Engineering, Vol 5, Pp 1-16 (2024)
In this article, we propose new formulations of max-sum and max-min dispersion problems that enable solutions via the Grover adaptive search (GAS) quantum algorithm, offering quadratic speedup. Dispersion problems are combinatorial optimization probl
Externí odkaz:
https://doaj.org/article/9b89d38849fc49e9859023578e9edc6e
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 4531-4540 (2024)
Beyond fifth-generation (5G) wireless communication, reconfigurable intelligent surfaces (RIS) have emerged as a transformative technology that can redefine how we interact with and harness electromagnetic waves. Advancements in meta-materials and me
Externí odkaz:
https://doaj.org/article/dd5d17a9ca764427b4d47bb3669fa988
An Enhanced Channel Estimation Scheme in OFDM-IM Systems With Index Pilots for IEEE 802.11p Standard
Publikováno v:
IEEE Access, Vol 12, Pp 74389-74405 (2024)
Orthogonal frequency division multiplexing with index modulation (OFDM-IM) is emerging as a robust technology, especially valued in vehicular communication scenarios for its resilience. In such dynamic environments, reliable channel estimation become
Externí odkaz:
https://doaj.org/article/7a0c3476805c473e8d6c663ce701c1db
Autor:
Md Abdul Aziz, Md Habibur Rahman, Rana Tabassum, Mohammad Abrar Shakil Sejan, Myung-Sun Baek, Hyoung-Kyu Song
Publikováno v:
Mathematics, Vol 12, Iss 22, p 3583 (2024)
Index modulation (IM) is considered a promising approach for fifth-generation wireless systems due to its spectral efficiency and reduced complexity compared to conventional modulation techniques. However, IM faces difficulties in environments with u
Externí odkaz:
https://doaj.org/article/9561b02965034a2ea6cb9f83effea398
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2023, Iss 1, Pp 1-29 (2023)
Abstract This paper proposes a novel modulation scheme called “In Phase and Quadrature-Filter Shape Index Modulation” (IQ-FSIM). It aims to enhance the spectral/energy efficiencies (SE/EE) while generalizing several existing modulations and index
Externí odkaz:
https://doaj.org/article/f3f7707b3b974ec99f555d881bb9471e
Publikováno v:
Remote Sensing, Vol 16, Iss 10, p 1773 (2024)
Multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) technology is widely used in integrated radar and communication systems (IRCSs). Moreover, index modulation (IM) is a reliable OFDM transmission scheme in the field
Externí odkaz:
https://doaj.org/article/ad5d27392d0b47d6862dc281e54aebc9