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相关论文: A Genetic Algorithm Based Finger Selection Scheme …

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The problem of choosing the optimal multipath components to be employed at a minimum mean square error (MMSE) selective Rake receiver is considered for an impulse radio ultra-wideband system. First, the optimal finger selection problem is…

信息论 · 计算机科学 2007-07-13 Sinan Gezici , Mung Chiang , H. Vincent Poor , Hisashi Kobayashi

Convex relaxations of the optimal finger selection algorithm are proposed for a minimum mean square error (MMSE) Rake receiver in an impulse radio ultra-wideband system. First, the optimal finger selection problem is formulated as an…

信息论 · 计算机科学 2016-11-17 Sinan Gezici , Mung Chiang , H. Vincent Poor , Hisashi Kobayashi

For high data rate ultra wideband communication system, performance comparison of Rake, MMSE and Rake-MMSE receivers is attempted in this paper. Further a detail study on Rake-MMSE time domain equalizers is carried out taking into account…

网络与互联网体系结构 · 计算机科学 2010-07-15 Bikramaditya Das , Susmita Das

Ultra-wideband is increasingly advancing as a high data rate wireless technology after the Federal Communication Commission announced the bandwidth of 7.5 GHz (from 3.1 GHz to 10.6 GHz) for ultra-wideband applications. Furthermore,…

网络与互联网体系结构 · 计算机科学 2021-08-31 Hamid M. Q. Rasheda , Norshahida Mohd Shah , Abdu Saif , Qazwan Abdullah , Abbas Ugurenver , Abdul Rashid. O. Mumin , Nan Bin Mad Sahar

Traditional stereo matching algorithms like Semi-Global Block Matching (SGBM) with Weighted Least Squares (WLS) filtering offer speed advantages over neural networks for UAV applications, generating disparity maps in approximately 0.5…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Yida Lin , Bing Xue , Mengjie Zhang , Sam Schofield , Richard Green

In this thesis we propose new methods for crossover operator namely: cut on worst gene (COWGC), cut on worst L+R gene (COWLRGC) and Collision Crossovers. And also we propose several types of mutation operator such as: worst gene with random…

神经与进化计算 · 计算机科学 2018-01-26 Esra'a O Alkafaween

Multi-armed Bandit (MAB) algorithms identify the best arm among multiple arms via exploration-exploitation trade-off without prior knowledge of arm statistics. Their usefulness in wireless radio, IoT, and robotics demand deployment on edge…

系统与控制 · 电气工程与系统科学 2021-06-08 S. V. Sai Santosh , Sumit J. Darak

In this work, we propose low-complexity adaptive biased estimation algorithms, called group-based shrinkage estimators (GSEs), for parameter estimation and interference suppression scenarios with mechanisms to automatically adjust the…

信息论 · 计算机科学 2016-11-17 Sheng Li , Rodrigo C. de Lamare , Martin Haardt

We study the problem of selecting a user equipment (UE) and a beam for each access point (AP) for concurrent transmissions in a millimeter wave (mmWave) network, such that the sum of weighted rates of UEs is maximized. We prove that this…

系统与控制 · 电气工程与系统科学 2024-03-19 Santosh Kumar Singh , Satyabrata Sahu , Ayushi Thawait , Prasanna Chaporkar , Gaurav S. Kasbekar

Communication and networking research introduces new protocols and standards with an increasing number of researchers relying on real experiments rather than simulations to evaluate the performance of their new protocols. A number of…

网络与互联网体系结构 · 计算机科学 2016-09-20 Yaser A. Elnakieb , Michael Azmy , Mustafa ElNainay

This paper studies the performance of partial-Rake (PRake) receivers in impulse-radio ultrawideband wireless networks when an energy-efficient power control scheme is adopted. Due to the large bandwidth of the system, the multipath channel…

信息论 · 计算机科学 2016-11-17 G. Bacci , M. Luise , H. V. Poor

This paper proposes Genetic Algorithm with Border Trades (GAB), a novel modification of the standard genetic algorithm that enhances exploration by incorporating new chromosome patterns in the breeding process. This approach significantly…

机器学习 · 计算机科学 2025-06-27 Qingchuan Lyu

Accurate and robust positioning in multipath environments can enable many applications, such as search-and-rescue and asset tracking. For this problem, ultra-wideband (UWB) technology can provide the most accurate range estimates, which are…

机器学习 · 计算机科学 2015-11-13 Vladimir Savic , Erik G. Larsson , Javier Ferrer-Coll , Peter Stenumgaard

This paper studies the performance of partial-Rake (PRake) receivers in impulse-radio ultrawideband wireless networks when an energy-efficient power control scheme is adopted. Due to the large bandwidth of the system, the multipath channel…

信息论 · 计算机科学 2016-11-17 Giacomo Bacci , Marco Luise , H. Vincent Poor

Sharpe Ratio (SR) is a critical parameter in characterizing financial time series as it jointly considers the reward and the volatility of any stock/portfolio through its variance. Deriving online algorithms for optimizing the SR is…

投资组合管理 · 定量金融 2024-06-12 Sabrina Khurshid , Mohammed Shahid Abdulla , Gourab Ghatak

In many applications, ultra-wide band (UWB) system experiences impulse noise due to surrounding physical noise sources. Therefore, a conventional receiver (correlator or matched filter) designed for additive Gaussian noise system is not…

信息论 · 计算机科学 2017-07-17 Sanjeev Sharma , Anubha Gupta , Vimal Bhatia

One of the main limitations of utilizing optimal wavefront shaping in imaging and authentication applications is the slow speed of the optimization algorithms currently being used. To address this problem we develop a micro-genetic…

光学 · 物理学 2015-03-03 Benjamin R. Anderson , Patrick Price , Ray Gunawidjaja , Hergen Eilers

Recently, filter bank multi-carrier spread spectrum (FBMC-SS) technology has been proposed for use in ultra-wideband (UWB) communication systems. It has been noted that, due to the spectral partitioning properties of the filter banks, a UWB…

信号处理 · 电气工程与系统科学 2025-12-22 Brian Nelson , Behrouz Farhang-Boroujeny

An efficient, joint transmission delay and channel parameter estimation algorithm is proposed for uplink asynchronous direct-sequence code-division multiple access (DS-CDMA) systems based on the space-alternating generalized expectation…

信息论 · 计算机科学 2016-11-17 E. Panayirci , A. Kocian , H. V. Poor , M. Ruggieri

A new method to improve the performance of Random weight change (RWC) algorithm based on a simple genetic algorithm, namely, Genetic random weight change (GRWC) is proposed. It is to find the optimal values of global minima via learning. In…

神经与进化计算 · 计算机科学 2019-06-06 Mohammad Ibraim Sarker , Yali Nie , Hong Yongki , Hyongsuk Kim
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