Hierarchical beam search

Author: buyg

August undefined, 2024

Web14 de abr. de 2024 · We obtained improvements on BLEU-3 and BLEU-4 scores by 1–3% over the top-2 predicted captions from the original beam search captions.KeywordsCNNEncoder-DecoderLSTMModified Beam SearchSearch ... Web13 de dez. de 2024 · Hierarchical Multi-Beam Search Based ChannelEstimation for Millimeter-Wave Massive MIMO Systems Abstract: Accurate channel state information …

Hierarchical Multi-Beam Search for Millimeter-Wave MIMO Systems

Web9 de fev. de 2024 · The simulation results verify the performance advantages of the proposed codebook in terms of beamforming gain and beam access accuracy in MIMO systems and shows that the specially designed two-stage beam search scheme has significant advantages over other existing solutions. For 3D beam access in massive … WebUnder the hierarchical beam search framework, the BS usually sweeps several wider beams and then gradually focuses on a thinner search space to seek the optimal beam. Note that a well-designed codebook can effectively improve the performance of the optimal beam search [5] [6]. However, the performance of the hierarchical search is sensitive … bnh6 formal charges

Fast Beam Switching Based on Machine Learning for MmWave Massive …

Web3 de nov. de 2024 · A new codebook design scheme for fast beam searching in millimeter-wave communications. China Communications 11(6), 12–22 (June 2014) CrossRef Google Scholar Yang, L., Ma, S., Yang, H., Tan, H.: A hierarchical beam search algorithm with betterperformance for millimeter-wave communication. Web26 de dez. de 2024 · Proven strength in signal processing algorithm design for wireless systems. 17 years of experience in design, simulation, … Web6 de nov. de 2015 · This paper devise an efficient hierarchical codebook by jointly exploiting sub-array and deactivation (turning-off) antenna processing techniques, where closed-form expressions are provided to generate the codebook. In millimeter-wave communication, large antenna arrays are required to achieve high power gain by … clicks percegold

Hierarchical Multi-Beam Search for Millimeter-Wave MIMO Systems

Deep reinforcement learning-based beam training …

Web4 de mar. de 2016 · the proposed hierarchical multi-beam search and the scheme in [18], where M A = N A , M = 2 , K = 2 , M R = N R = 4 , N S = 3 , and i LY = 2 . which is roughly proportional to N 3 Web13 de set. de 2024 · Therefore, it is possible to identify the optimal beam using the information learned from nearby beams, which avoids searching the entire beam space. In this chapter, we propose a fast BA algorithm, named hierarchical beam alignment (HBA), by utilizing the correlation structure among beams and the prior knowledge on the … bnh9 tomatoWeb1 de jul. de 2024 · In this paper, we propose a novel hierarchical beam search algorithm to improve the accuracy of existing approximate MRE algorithms. The key idea is to use … clicks peppergrove mall grahamstown

"Webinterval, and a subset of them cover the interval of a wider beam in the lower-level. The hierarchical beam search, in the spirit of bisection search, ﬁrst ﬁnds the best wide-beam pair in a lower-level codebook, and then reﬁnes the search using the next-level codebook within the beam subspace prescribed by the wide-beam pair found. " - Hierarchical beam search

Hierarchical beam search

WebA Hierarchical Beam Search Algorithm with BetterPerformance for Millimeter-Wave Communication Abstract: Due to the severe signal attenuation of millimetre-wave … Web8 de set. de 2024 · The learned hierarchical PCs can capture the features of propagation environment. Numerical results based on realistic ray-tracing datasets demonstrate that …

Did you know?

Web1 de mai. de 2016 · In the channel estimation phase, a hierarchical multi-beam search scheme is proposed to fast acquire NS (the number of streams) multipath components … Web1 de abr. de 2024 · To solve this problem, we propose a new hierarchical beam search algorithm which can be performed on some marginal nodes. The algorithm will take …

WebIn this work, a novel hierarchical fast beam search approach based on a two-level phased array is proposed for improved UE discovery in mmWave massive MIMO systems. The proposed approach leverages suitable antenna spacing and radiation pattern multiplication at two-levels to yield refined beams. Web1 de jan. de 2024 · hierarchical multi-beam search by using the design method of digital ﬁlter, which is applicable in other hierarchical search methods as well. Simulation …

Web22 de jan. de 2016 · Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication Abstract: In millimeter-wave communication, large antenna arrays … Web24 de fev. de 2024 · Two-Stage Hierarchical Beam Training for Near-Field Communications. Chenyu Wu, Changsheng You, Yuanwei Liu, Li Chen, Shuo Shi. …

Web12 de jan. de 2024 · Following that, inspired by multi-beam linear search, we develop two hierarchical linear search methods according to our proposed hierarchical codebook. Finally, simulation results show that they outperform linear search schemes regarding training complexity and the effective achievable rate.

clicks per 5 seconds testWebhierarchical search, when the pre-beamforming signal-to-noise ratio (SNR) is relatively low. This study hence implies that the exhaustive search is more effective for users situated further from base stations, as they tend to have low SNR. Index Terms—Beamforming, beam alignment, beam training, hierarchical search, millimeter wave ... bnha 322 in colourWebbeam_search.py . cutsel_agent_parallel.py . environments.py . global_const.py . logger.py . parallel_reinforce_algorithm.py . pointer_net.py ... This is the code of Learning Cut Selection for Mixed-Integer Linear Programming via Hierarchical Sequence Model. Zhihai Wang, Xijun Li, Jie Wang, Yufei Kuang, Mingxuan Yuan, Jia Zeng, Yongdong Zhang ... bnha 3rd yearWeb1 de jul. de 2024 · In this paper, we propose a novel hierarchical beam search algorithm for solving MRE. The main idea is to use a second-level beam to limit the number of … bnh49mfw battery cross referenceWeb1 de dez. de 2024 · It can be found that our fast beam alignment scheme outperforms the hierarchical method, which conducts beam training for multiple users one by one . … bnha 276 read aloudWeb14 de nov. de 2024 · In [2, 10, 11], hierarchical beam search is investigated, which starts with testing wide beams whose results will be used to identify narrower beams for more accurate beam alignment. In … bnha aesthetic pfpWeb18 de jul. de 2024 · A professional 3-dimensional ray tracing tool is used to generate datasets for an IEEE standard indoor scenario. Numerical results show the proposed networks outperform a CI-aided benchmark such as the generalized inverse fingerprinting (GIFP) method as well as hierarchical beam search as a non-CI-based approach. bnha 6 temp assistir anime fire