Zobrazeno 1 - 10
of 774
pro vyhledávání: '"Line code"'
Publikováno v:
ICT Express, Vol 9, Iss 2, Pp 235-240 (2023)
In this study, utilizing the structure of the space–time line code (STLC) signals, a blind symbol and carrier synchronization method considering the carrier frequency offset (CFO) is developed. The proposed method can achieve almost perfect synchro
Externí odkaz:
https://doaj.org/article/5a41224e9d6a49cf82c9a8be7bd698e0
Publikováno v:
ICT Express, Vol 9, Iss 2, Pp 253-257 (2023)
We propose a novel cooperative space–time line code (C-STLC) scheme to improve performance of a relay-assisted internet of things (R-IoT). The proposed C-STLC operates with fully distributed manner, where each relay IoT device (RID) attempts to dec
Externí odkaz:
https://doaj.org/article/d5f9046b798040db80809a2ad279a510
Publikováno v:
IEEE Access, Vol 11, Pp 109082-109094 (2023)
This paper demonstrates the implementation of a space–frequency line coded-orthogonal frequency-division multiplexing (SFLC-OFDM) system. The SFLC-OFDM system utilizes downlink channel state information at the transmitter, which can be obtained fro
Externí odkaz:
https://doaj.org/article/c6de4ded8daf47eb83eae58046389e63
Akademický článek
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Autor:
Sangchoon Kim
Publikováno v:
IEEE Access, Vol 10, Pp 47687-47698 (2022)
This paper considers the problem of user subset (US) selection for minimizing the bit error rate (BER) of multi-user space-time line code (MU-STLC) multiple-input multiple-output systems with fairness-aware per-user power allocation. The optimal sele
Externí odkaz:
https://doaj.org/article/dbc602fbb0eb4d009f0c55890df5705f
Publikováno v:
IEEE Access, Vol 10, Pp 54784-54793 (2022)
The space-time line code (STLC) has been recently proposed in the literature. In STLC systems, the channel state information is assumed to be known at the transmitter, but not at the receiver. In the conventional STLC systems, the inputs of the STLC
Externí odkaz:
https://doaj.org/article/c98200b7837a42af90b39182e6d76a08
Akademický článek
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Autor:
Jingon Joung, Jiancun Fan
Publikováno v:
IEEE Access, Vol 9, Pp 105230-105241 (2021)
In this study, we investigated a data collection system for multiple unmanned aerial vehicles (UAVs) in the sky. To reduce the required data collection time for a time-division multiple access (TDMA)-based protocol, an over-the-air computation (OAC)
Externí odkaz:
https://doaj.org/article/811ebed518044de6bbacbc00ab87105b
Autor:
Jingon Joung
Publikováno v:
IEEE Access, Vol 8, Pp 35253-35262 (2020)
As the demand for and services of the Internet of Things (IoT) increase, the dense deployment of a massive number of devices is expected in future IoT networks. Accordingly, an appropriate scheduling method will be required to fairly support the over
Externí odkaz:
https://doaj.org/article/86ca417882374fac81870d70af309b87
Autor:
Jingon Joung, Jihoon Choi
Publikováno v:
IEEE Access, Vol 8, Pp 71930-71939 (2020)
In this paper, a multiuser space-time line code (MU-STLC) scheme is newly designed that concurrently delivers multiple STLC signals to multiple users, and a preprocessing matrix for the MU-STLC is derived based on the minimum mean square error criter
Externí odkaz:
https://doaj.org/article/1beb50381d604b73af04d340cb15ffa4