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of 61
pro vyhledávání: '"Mohammadkarimi, Mostafa"'
A cooperative Sense and Avoid (SAA) algorithm for safe navigation of small-sized UAVs within an airspace is proposed in this paper. The proposed method relies upon cooperation between the UAV and the surrounding transponder-equipped aviation obstacle
Externí odkaz:
http://arxiv.org/abs/2306.03046
The discussion on using zero padding (ZP) instead of a cyclic prefix (CP) for enhancing channel estimation and equalization performance is a recurring topic in waveform design for future wireless systems that high spectral efficiency and location awa
Externí odkaz:
http://arxiv.org/abs/2303.07453
Publikováno v:
IEEE Transactions on Signal Processing 69 (2021): 641-654
Existing Orthogonal Frequency-Division Multiplexing (OFDM) variants based on cyclic prefix (CP) allow for efficient time synchronization, but suffer from lower power efficiency compared to zero-padded (ZP)-OFDM. Because of its power efficiency, ZP-OF
Externí odkaz:
http://arxiv.org/abs/2302.08711
Recently, grant-free transmission paradigm has been introduced for massive Internet of Things (IoT) networks to save both time and bandwidth and transmit the message with low latency. In order to accurately decode the message of each device at the ba
Externí odkaz:
http://arxiv.org/abs/2301.01274
Publikováno v:
2023 IEEE Aerospace Conference
In this paper, we study path planning algorithms of resource constrained mobile agents in unknown cluttered environments, which include but are not limited to various terrestrial missions e.g., search and rescue missions by drones in jungles, and spa
Externí odkaz:
http://arxiv.org/abs/2210.17482
Publikováno v:
IEEE Transactions on Vehicular Technology, vol. 73, no. 2, pp. 1667-1681, Sept. 2023
A new method for joint ranging and Phase Offset (PO) estimation of multiple drones/aircrafts is proposed in this paper. The proposed method employs the superimposed uncoordinated Automatic Dependent Surveillance Broadcast (ADS-B) packets broadcasted
Externí odkaz:
http://arxiv.org/abs/2207.05370
Publikováno v:
IEEE Wireless Commun. Lett., vol. 12, no. 6, pp. 1002 - 1006, Mar. 2023
We propose efficient and low-complexity multiuser detection (MUD) algorithms for Gaussian multiple access channel (G-MAC) for short-packet transmission in massive machine type communications. To do so, we first formulate the G-MAC MUD problem as a sp
Externí odkaz:
http://arxiv.org/abs/2202.10566
Publikováno v:
IEEE Trans. Wireless Commun., vol. 21, no. 5, pp. 2969 - 2986, Oct. 2021. 2021
Existing wireless communication systems have been mainly designed to provide substantial gain in terms of data rates. However, 5G and Beyond will depart from this scheme, with the objective not only to provide services with higher data rates. One of
Externí odkaz:
http://arxiv.org/abs/2010.00098
In wireless communication systems, Orthogonal Frequency-Division Multiplexing (OFDM) includes variants using either a cyclic prefix (CP) or a zero padding (ZP) as the guard interval to avoid inter-symbol interference. OFDM is ideally suited to deal w
Externí odkaz:
http://arxiv.org/abs/2008.06586
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