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相关论文: Interference Cancelation in Coherent CDMA Systems …

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Parallel least mean square-partial parallel interference cancelation (PLMS-PPIC) is a partial interference cancelation which employs adaptive multistage structure. In this algorithm the channel phases for all users are assumed to be known.…

应用统计 · 统计学 2007-10-24 Kamal Shahtalebi , Hamidreza Saligheh Rad , Golam Reza Bakhshi

In this paper, taking the view that a linear parallel interference canceller (LPIC) can be seen as a linear matrix filter, we propose new linear matrix filters that can result in improved bit error performance compared to other LPICs in the…

信息论 · 计算机科学 2007-09-17 T. Srikanth , K. Vishnu Vardhan , A. Chockalingam , L. B. Milstein

This work presents joint iterative power allocation and interference suppression algorithms for DS-CDMA networks which employ multiple relays and the amplify and forward cooperation strategy. We propose a joint constrained optimization…

信息论 · 计算机科学 2013-04-10 R. C. de Lamare , S. Li

Nonlinear self-interference cancellation (SIC) is essential for full-duplex communication systems, which can offer twice the spectral efficiency of traditional half-duplex systems. The challenge of nonlinear SIC is similar to the classic…

信号处理 · 电气工程与系统科学 2024-03-19 Hyowon Lee , Jungyeon Kim , Geon Choi , Ian P. Roberts , Jinseok Choi , Namyoon Lee

This paper proposes a unified approach to joint adaptive parameter estimation and interference cancellation (IC) for direct sequence code-division-multiple-access (DS-CDMA) systems in multipath channels. A unified framework is presented in…

信息论 · 计算机科学 2013-04-23 Rodrigo C. de Lamare , Are Hjorungnes , Raimundo Sampaio-Neto

In this letter, we consider single-cell, single-user systems wherein uplink and downlink user equipment communicate with a full-duplex relay. Due to the near-far problem, the self-interference (SI) can be 100-1000x the received signal…

信息论 · 计算机科学 2021-06-03 Elyes Balti , Brian L. Evans

This paper presents adaptive bidirectional minimum mean-square error (MMSE) parameter estimation algorithms for fast-fading channels. The time correlation between successive channel gains is exploited to improve the estimation and tracking…

信息论 · 计算机科学 2013-06-12 Patrick Clarke , Rodrigo C. de Lamare

An interference-normalised least mean square (INLMS) algorithm for robust adaptive filtering is proposed. The INLMS algorithm extends the gradient-adaptive learning rate approach to the case where the signals are non-stationary. In…

系统与控制 · 计算机科学 2016-02-29 Jean-Marc Valin , Iain B. Collings

This paper deals with the implementation of Least Mean Square (LMS) algorithm in Decision Feedback Equalizer (DFE) for removal of Inter Symbol Interference (ISI) at the receiver. The channel disrupts the transmitted signal by spreading it…

人工智能 · 计算机科学 2012-08-13 Mohammad Havaei , Nandivada Krishna Prasad , Velleshala Sudheer

Partial diffusion scheme is an effective method for reducing computational load and power consumption in adaptive network implementation. The Information is exchanged among the nodes, usually over noisy links. In this paper, we consider a…

系统与控制 · 计算机科学 2015-12-01 Vahid Vadidpour , Amir Rastegarnia , Azam Khalili , Saeid Sanei

In this article, we derive a new stepsize adaptation for the normalized least mean square algorithm (NLMS) by describing the task of linear acoustic echo cancellation from a Bayesian network perspective. Similar to the well-known Kalman…

机器学习 · 统计学 2023-07-19 Christian Huemmer , Roland Maas , Walter Kellermann

This work presents joint interference suppression and power allocation algorithms for DS-CDMA networks with multiple hops and decode-and-forward (DF) protocols. A scheme for joint allocation of power levels across the relays subject to…

信息论 · 计算机科学 2013-04-09 Rodrigo C. de Lamare

In future full-duplex communications, the cancellation of self-interference (SI) arising from hardware non-idealities will play an important role in the design of mobile-scale devices. To this end, we introduce an optimal digital SI…

信息论 · 计算机科学 2018-07-18 Zhe Li , Yili Xia , Wenjiang Pei , Kai Wang , Danilo P. Mandic

We study a new IA strategy which is referred to as "Partial Interference Cancelation-based Interference Alignment" (PIC-IA). Unlike the conventional IA strategy, PIC-IA does not strive to eliminate interference from all users. Instead, it…

信息论 · 计算机科学 2013-04-09 Lingxiang Li , Zhi Chen , Jun Fang

In this paper, we propose iterative interference cancellation schemes with access points selection (APs-Sel) for cell-free massive multiple-input multiple-output (CF-mMIMO) systems. Closed-form expressions for centralized and decentralized…

信息论 · 计算机科学 2024-06-25 T. Ssettumba , Z. Shao , L. Landau , R. de Lamare

To overcome the tradeoff of the conventional normalized least mean square (NLMS) algorithm between fast convergence rate and low steady-state misalignment, this paper proposes a variable step size (VSS) NLMS algorithm by devising a new…

系统与控制 · 计算机科学 2015-04-22 Yi Yu , Haiquan Zhao

The purpose of this note is to discuss some aspects of recently proposed fractional-order variants of complex least mean square (CLMS) and normalized least mean square (NLMS) algorithms in ``Design of Fractional-order Variants of Complex…

最优化与控制 · 数学 2020-07-28 Shujaat Khan , Abdul Wahab , Imran Naseem , Muhammad Moinuddin

This paper gives a broader insight on the application of adaptive filter in noise cancellation during various processes where signal is transmitted. Adaptive filtering techniques like RLS, LMS and normalized LMS are used to filter the input…

声音 · 计算机科学 2020-02-19 Pratibha Balaji , Shruthi Narayan , Durga Sraddha , Bharath K P , Karthik R , Rajesh Kumar Muthu

Passive intermodulation (PIM) has emerged as a critical source of self-interference in modern MIMO-OFDM systems, especially under the stringent requirements of 5G and beyond. Conventional cancellation methods often rely on complex nonlinear…

信号处理 · 电气工程与系统科学 2025-11-04 Xiaolong Li , Zhi-Qin John Xu , Peiting You , Yifei Zhu

We present an efficient algorithm for the least squares parameter fitting optimized for component separation in multi-frequency CMB experiments. We sidestep some of the problems associated with non-linear optimization by taking advantage of…

宇宙学与河外天体物理 · 物理学 2015-06-26 Rishi Khatri
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