On the position optimization of irs
Web4 de abr. de 2024 · Due to the benefits of the spectrum and energy efficiency, intelligent reflecting surfaces (IRSs) are regarded as a promising technology for future networks. In this work, we consider a single... WebIn addition, the trajectory optimization algorithm proposed in this paper is also a groundbreaking work in the scenario involving IRS. B. Contributions This paper investigates an IRS empowered UAV wireless communication network considering the optimization problem of joint resource allocation, reflecting design and trajectory optimization
On the position optimization of irs
Did you know?
Web30 de mar. de 2024 · Position Optimization Ask Question 175 times 2 The Problem: I have multiple geometric figures which may or may not be connected to each other. Each connection has a value. I want to minimize the connection by repositioning the figures. For better understanding you can imagine it as a undirected graph with multiple nodes: Webposition and communication QoS, robot trajectory and beamforming at the IRS and access point all need to be optimized. We present a solution that can decouple the two problems by exploiting mm-wave chan-nel characteristics. Then, a closed-form solution is obtained for the beamforming optimization problem,
Web14 de jan. de 2024 · This paper studies the temporal characteristics of the intelligent reflecting surface (IRS)-based visible light communication (VLC) channel using radiometric concepts. Web25 de jul. de 2024 · Abstract: In this paper, we propose a robust secrecy transmission scheme for intelligent reflecting surface (IRS) aided communication systems. Different from all the existing works where IRS has already been deployed at a fixed location, we take the location of IRS as a variable to maximize the secrecy rate (SR) under the outage …
Webbeamforming and the IRS reflection coefficients. It was showed that the proposed resource allocation scheme of IRS-assisted systems with NOMA has higher EE than that achieved by the IRS-assisted systems with OMA. However, the work in [31] did not consider the direct links among the base station and users. Web12 de mai. de 2024 · Reconfigurable intelligent surfaces (RISs) are envisioned to be a disruptive wireless communication technique that is capable of reconfiguring the wireless propagation environment. In this paper, we study a free-space RIS-assisted multiple-input single-output (MISO) communication system in far-field operation.
Webshift with pre-optimized UAV position and derived the closed-form of the optimal beamforming for a 2-user IRS-UAV-NOMA downlink system. However, the time-varying multi-user scenario is closer to the real wireless communication systems, and conventional optimization methods, like convex optimization, are hard to solve these non-convex …
Web12 de mai. de 2024 · In this paper, we study a far-field IRS-assisted multiple-input single-output (MISO) communication system operating in free space. To maximize the received power of the receiver from the physics and electromagnetic nature point of view, an optimization, including beamforming of the transmitter, phase shifts of the IRS, … how to search for uan numberWebNumerical evaluations reveal that the dynamic rotation strategy can not only enhance spectral efficiency and reduce delay spread but is still effective when rotation errors exist. In this paper, we propose a rotatable reconfigurable intelligent surface (RIS) assisted system to enhance the transmission quality of wireless communications. The RIS is able to rotate … how to search for typos in wordWeb13 de ago. de 2024 · During the optimization process performed by the PSO algorithm, suppose that there is a cluster of particles randomly distributed in a multidimensional space, and each particle has its own fitness value determined by its spatial position and velocity. how to search for university jobsWebUpon the expiration of the grace period, a one-year transition period was granted and subsequently extended for an additional year ( through January 10, 2024) during which taxpayers will have 45 days to perfect a Research Credit claim for refund prior to the IRS' final determination on the claim. how to search for uncashed savings bondsWebperforming position optimization of the IRS. The remainder of this paper is organized as follows. In Section II, we describe the system model of IRS-assisted wireless … how to search for unlisted youtube videosWeb1 de mar. de 2024 · Since additional reflection propagation paths by IRS, the complexity of the channel model makes the trajectory design difficult. To tackle this problem, this paper proposes a UAV trajectory... how to search for universitiesWeb19 de dez. de 2024 · On the Position Optimization of IRS. Contact; Login / Register; Home ; Python . Security and Energy Harvesting for MIMO OFDM... Diptaa Feb 19, 2024 0 0. … how to search for updates on pc