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相关论文: Capacity Limitation and Optimization Strategy for …

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Access networks, in particular, Digital Subscriber Line (DSL) equipment, are a significant source of energy consumption for wireline operators. Replacing large monolithic DSLAMs with smaller remote DSLAM units closer to customers can reduce…

网络与互联网体系结构 · 计算机科学 2015-03-17 Sourjya Bhaumik , David Chuck , Girija Narlikar , Gordon Wilfong

We consider the problem of capacitated kinetic clustering in which $n$ mobile terminals and $k$ base stations with respective operating capacities are given. The task is to assign the mobile terminals to the base stations such that the…

网络与互联网体系结构 · 计算机科学 2016-02-29 Chien-Chun Ni , Zhengyu Su , Jie Gao , Xianfeng David Gu

This paper presents a remarkable advance for the understanding of MIMO capacity limits with insufficient RF chains. The capacity is characterized by the maximum mutual information given any vector inputs subject to not only an average power…

信号处理 · 电气工程与系统科学 2019-02-08 Shuaishuai Guo , Haixia Zhang , Mohamed-Slim Alouini

In many large language model (LLM) alignment applications, users expect not only high-quality outputs but also substantial diversity. However, existing methods often face a fundamental trade-off between these objectives: approaches that…

计算与语言 · 计算机科学 2026-05-28 Haihui Pan , Yuzhong Hong , Kaichen Zhang , Shaoke Lv , Junwei Bao , Hongfei Jiang , Yang Song

Cyclic Prefix Direct Sequence Spread Spectrum (CP-DSSS) is a novel waveform that is proposed as a solution to massive machine type communications (mMTC) for 5G and beyond. This paper analyzes the capacity of CP-DSSS in comparison with…

信号处理 · 电气工程与系统科学 2020-03-20 Brent A. Kenney , Stephen N. Jenkins , Arslan J. Majid , Hussein Moradi , Behrouz Farhang-Boroujeny

In this paper, we propose to study on sufficient control of complex networks which is to control a sufficiently large portion of the network, where only the quantity of controllable nodes matters. To the best of our knowledge, this is the…

系统与控制 · 电气工程与系统科学 2023-05-17 Xiang Li , Guoqi Li , Leitao Gao , Beibei Li , Gaoxi Xiao

It is widely recognized that besides the quality of service (QoS), the energy efficiency is also a key parameter in designing and evaluating mobile multimedia communication systems, which has catalyzed great interest in recent literature.…

信息论 · 计算机科学 2014-12-22 Xiaohu Ge , Xi Huang , Yuming Wang , Min Chen , Qiang Li , Tao Han , Cheng-Xiang Wang

This paper studies a large random matrix system (LRMS) model involving an arbitrary signal distribution and forward error control (FEC) coding. We establish an area property based on the approximate message passing (AMP) algorithm. Under…

信息论 · 计算机科学 2021-06-07 Lei Liu , Chulong Liang , Junjie Ma , Li Ping

With the tremendous increase of the Internet traffic, achieving the best performance with limited resources is becoming an extremely urgent problem. In order to address this concern, in this paper, we build an optimization problem which…

物理与社会 · 物理学 2017-02-23 Li Rui , Xia Yongxiang , Tse K Chi

We consider power allocation for an access-controlled transmitter with energy harvesting capability based on causal observations of the channel fading state. We assume that the system operates in a time-slotted fashion and the channel gain…

信息论 · 计算机科学 2017-08-04 Zhe Wang , Vaneet Aggarwal , Xiaodong Wang

We propose a method to increase the capacity achieved by uniform prior in discrete memoryless channels (DMC) with high input cardinality. It consists in appropriately reducing the input set. Different design criteria of the input subset are…

信息论 · 计算机科学 2010-10-28 Amine Mezghani , Michel T. Ivrlac , Josef A. Nossek

We propose a two-stage algorithm for energy-efficient resource allocation constrained to QoS and physical requirements in OFDM-based EONs. The first stage deals with routing, grooming and traffic ordering and aims at minimizing amplifier…

信息论 · 计算机科学 2017-05-22 Mohammad Hadi , Mohammad Reza Pakravan

End-to-end image transmission has recently become a crucial trend in intelligent wireless communications, driven by the increasing demand for high bandwidth efficiency. However, existing methods primarily optimize the trade-off between…

图像与视频处理 · 电气工程与系统科学 2024-08-27 Kailin Tan , Jincheng Dai , Zhenyu Liu , Sixian Wang , Xiaoqi Qin , Wenjun Xu , Kai Niu , Ping Zhang

Distributed Pseudo-tree Optimization Procedure (DPOP) is a well-known message passing algorithm that has been used to provide optimal solutions of Distributed Constraint Optimization Problems (DCOPs) -- a framework that is designed to…

多智能体系统 · 计算机科学 2019-09-17 Mashrur Rashik , Md. Musfiqur Rahman , Md. Mamun-or-Rashid , Md. Mosaddek Khan

Flat-fading channels that are correlated in time are considered under peak and average power constraints. For discrete-time channels, a new upper bound on the capacity per unit time is derived. A low SNR analysis of a full-scattering vector…

信息论 · 计算机科学 2007-07-13 Vignesh Sethuraman , Bruce Hajek

The accelerating growth of global data generation demands data storage platforms that offer high capacity, long lifespan, and low energy consumption beyond the limits of electronic memory technologies. Optical storage provides an attractive…

With the increasing integration of distributed PV generation, the distribution network requires more and more flexibility to achieve the security-constrained optimal power dispatch. However, the conventional flexibility sources usually…

最优化与控制 · 数学 2020-11-20 Ge Chen , Hongcai Zhang , Ningyi Dai , Yonghua Song

We analyze the spectral efficiency performance and limits of orthogonal frequency-division multiple access (OFDMA) cognitive radios (CRs) with an imperfect availability of cross-link knowledge. In particular, in contrast to the conventional…

信息论 · 计算机科学 2017-10-24 H. Saki , M. Shikh-Bahaei

This paper proposes a methodology for optimizing a frequency-hopping network that uses continuous-phase frequency-shift keying and adaptive capacity-approaching channel coding. The optimization takes into account the spatial distribution of…

信息论 · 计算机科学 2015-08-25 Salvatore Talarico , Matthew C. Valenti , Don Torrieri

To mitigate global climate change, distributed energy resources (DERs), such as distributed generators, flexible loads, and energy storage systems (ESSs), have witnessed rapid growth in power distribution systems. When properly managed,…

最优化与控制 · 数学 2025-08-21 Rui Xie , Yue Chen