Zobrazeno 1 - 10
of 2 038
pro vyhledávání: '"Ergodic capacity"'
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 5, Pp 1322-1331 (2024)
The new generation of communication systems is moving towards using a millimeter-wave spectrum. Since the shadowing effects are undeniable in this type of propagation, the proposed Generalized Fisher (GF) distribution can be useful in modeling shadow
Externí odkaz:
https://doaj.org/article/a4ac7dab112d41668ed10d63fd410c1d
Publikováno v:
ICT Express, Vol 10, Iss 2, Pp 285-291 (2024)
Ultraviolet communication (UVC) is a promising technology due to its ability to operate in non-line-of-sight (NLOS) mode thereby eliminating the pointing acquisition and tracking (PAT) requirement as needed by infrared and visible light communication
Externí odkaz:
https://doaj.org/article/450f64510dfd446788fb0ec04acf6a86
Autor:
Thaherbasha Shaik, Nageena parveen SD, Rakshitha Bavirishetty, Abhiram Baloju, Khaja sharikuddin, Saikrishna Maku
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102464- (2024)
Future wireless technology requires higher data rates, low latency, and flexibility to provide services to users. To fulfil these demands, various multiple access techniques are proposed. Among these techniques, the non-orthogonal multiple access tec
Externí odkaz:
https://doaj.org/article/a619e739579d4824bcf85fad85e6a7cc
Publikováno v:
IEEE Access, Vol 12, Pp 181271-181281 (2024)
Massive connectivity and green communication will be important problems for the upcoming sixth generation (6G). Reconfigurable intelligent surfaces (RIS) and non-orthogonal multiple access (NOMA) have recently been presented as two major solutions to
Externí odkaz:
https://doaj.org/article/b6b859d800544b6b8e2abb767a7ebc52
Autor:
Vinay Kumar Chapala, S. M. Zafaruddin
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 5037-5053 (2024)
Existing performance analysis of wireless systems based on reconfigurable intelligent surfaces (RIS) over fading channels has primarily focused on providing statistical insights into the sum and product of random variables, typically represented as a
Externí odkaz:
https://doaj.org/article/f17f6b4c5c034fd7a668dc591ae2e574
Publikováno v:
IEEE Access, Vol 12, Pp 89548-89561 (2024)
In this paper, the performance of diversity systems operating in flat double Hoyt fading channels is studied. A novel exact expression, in the form of double finite-range integrals, is derived for the moment generating function (MGF) of the instantan
Externí odkaz:
https://doaj.org/article/cb0a76d9ff964d599b3c706889ce65c0
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 3263-3276 (2024)
In the last two decades, chaos-based signals have achieved much popularity due to their useful waveform properties such as non-periodicity, wide-band nature, and robustness against eavesdropping by intruders. In this paper, we utilize differential ch
Externí odkaz:
https://doaj.org/article/781c8892ddfc43338ab10bad5f6ed92f
Publikováno v:
IEEE Access, Vol 12, Pp 10699-10717 (2024)
This paper focuses on optimal beamforming to maximize the mean signal-to-noise ratio (SNR) for a passive reconfigurable intelligent surface (RIS)-aided multiple-input single-output (MISO) downlink system. We consider a realistic setting where both th
Externí odkaz:
https://doaj.org/article/98c1d79909b3471b813a40a1ebd055ac
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 127-138 (2024)
Underwater optical wireless communication (UOWC) systems face significant challenges due to oceanic turbulence and pointing errors (PE), which can degrade system performance. Moreover, interference is another challenge in UOWC, considering the consis
Externí odkaz:
https://doaj.org/article/ae26e6c8e1774e71998243e0666d3a7b
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 156-167 (2024)
Non-orthogonal multiple access (NOMA) has emerged as an effective technology, aiding in latency reduction, improving security and reliability, and enhancing the spectral efficiency and capacity in Internet of Things (IoT)-enabled communication system
Externí odkaz:
https://doaj.org/article/3630661b24a24eb5b8a37df993012960