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Constrained Reinforcement Learning (CRL) is a subset of machine learning that introduces constraints into the traditional reinforcement learning (RL) framework. Unlike conventional RL which aims solely to maximize cumulative rewards, CRL…

人工智能 · 计算机科学 2024-12-02 Xiaoshan Lin , Sadık Bera Yüksel , Yasin Yazıcıoğlu , Derya Aksaray

In this correspondence, the comprehensive problem of joint power, rate, and subcarrier allocation have been investigated for enhancing the spectral efficiency of multi-user orthogonal frequency-division multiple access (OFDMA) cognitive…

信息论 · 计算机科学 2017-09-14 H. Saki , M. Shikh Bahaei

In this paper, we propose an online-matching-based model to study the assignment problems arising in a wide range of online-matching markets, including online recommendations, ride-hailing platforms, and crowdsourcing markets. It features…

计算机科学与博弈论 · 计算机科学 2022-09-19 Pan Xu

Achieving optimal transmission throughput in data networks in a multi-hop wireless networks is fundamental but hard problem. The situation is aggravated when nodes are mobile. Further, multi-rate system make the analysis of throughput more…

网络与互联网体系结构 · 计算机科学 2010-09-24 Tapas Kumar Patra , Joy Kuri

Due to the fundamental tradeoffs, achieving spectrum efficiency and energy efficiency are two contending design challenges for the future wireless networks. However, applying radio-frequency (RF) energy harvesting (EH) in a cognitive radio…

信息论 · 计算机科学 2016-11-17 Valentin Rakovic , Daniel Denkovski , Zoran Hadzi-Velkov , Liljana Gavrilovska

We consider a single large language model (LLM) server that serves a heterogeneous stream of queries belonging to $N$ distinct task types. Queries arrive according to a Poisson process, and each type occurs with a known prior probability.…

机器学习 · 计算机科学 2026-01-16 Emre Ozbas , Melih Bastopcu

Motivated by the regular service requirements of video applications for improving Quality-of-Experience (QoE) of users, we consider the design of scheduling strategies in multi-hop wireless networks that not only maximize system throughput…

网络与互联网体系结构 · 计算机科学 2016-11-15 Bin Li , Ruogu Li , Atilla Eryilmaz

Chain-of-thought (CoT) reasoning improves large language model performance on complex tasks, but often produces excessively long and inefficient reasoning traces. Existing methods shorten CoTs using length penalties or global entropy…

人工智能 · 计算机科学 2026-04-08 Xuan Xiong , Huan Liu , Li Gu , Zhixiang Chi , Yue Qiu , Yuanhao Yu , Yang Wang

This paper considers the resource allocation problem in an Orthogonal Frequency Division Multiple Access (OFDMA) based cognitive radio (CR) network, where the CR base station adopts full overlay scheme to transmit both private and open…

网络与互联网体系结构 · 计算机科学 2014-12-30 Xingzheng Zhu , Bo Yang , Cailian Chen , Liang Xue , Xinping Guan , Fan Wu

In this paper, we study Two-way relaying networks well-known for its throughput merits. In particular, we study the fundamental throughput delay trade-off in two-way relaying networks using opportunistic network coding. We characterize the…

信息论 · 计算机科学 2015-02-11 Maha Zohdy , Tamer ElBatt , Mohamed Nafie

The discrepancy between the upper bound on throughput in wireless networks and the throughput scaling in random networks which is also known as the connectivity-throughput trade-off is analyzed. In a random network with $\lambda$ nodes per…

信息论 · 计算机科学 2010-08-23 Ralph Tanbourgi , Holger Jäkel , Friedrich K. Jondral

Cognitive radio technology offers an important function in the efficient utilization of the radio spectrum. Besides, it is expected that CR-enabled vehicular ad-hoc networks (CR-VANETs) enrich the communication performance of the existing…

网络与互联网体系结构 · 计算机科学 2020-05-05 Sharmin Akter , Nafees Mansoor

Cognitive radio (CR) technology is a promising solution to enhance the spectrum utilization by enabling unlicensed users to exploit the spectrum in an opportunistic manner. Since unlicensed users are temporary visitors to the licensed…

信息论 · 计算机科学 2011-05-03 Yi Song , Jiang Xie

In this paper we present a theoretical performance analysis of the maximum ratio combining (MRC) rule for channel-aware decision fusion over multiple-input multiple-output (MIMO) channels for (conditionally) dependent and independent local…

信息论 · 计算机科学 2013-11-07 D. Ciuonzo , G. Romano , P. Salvo Rossi

This paper considers a multiple input multiple output (MIMO) two-way relay channel, where two nodes want to exchange data with each other using multiple relays. An iterative algorithm is proposed to achieve the optimal achievable rate…

信息论 · 计算机科学 2008-10-22 Rahul Vaze , Robert W. Heath

Utilizing terahertz (THz) transmission to enhance coverage has proven various benefits compared to traditional radio frequency (RF) counterparts. This letter proposes a dual-hop decode-and-forward (DF) routing protocol in a hybrid RF and…

信息论 · 计算机科学 2023-03-20 Zhengying Lou , Baha Eddine Youcef Belmekki , Mohamed-Slim Alouini

Reservoir computing (RC) harnesses the intrinsic dynamics of a chaotic system, called the reservoir, to perform various time-varying functions. An important use-case of RC is the generation of target temporal sequences via a trainable…

混沌动力学 · 物理学 2024-11-07 Daoyuan Qian , Ila Fiete

The Click-Through Rate (CTR) prediction task is critical in industrial recommender systems, where models are usually deployed on dynamic streaming data in practical applications. Such streaming data in real-world recommender systems face…

信息检索 · 计算机科学 2023-07-17 Qi-Wei Wang , Hongyu Lu , Yu Chen , Da-Wei Zhou , De-Chuan Zhan , Ming Chen , Han-Jia Ye

In precision medicine, Dynamic Treatment Regimes (DTRs) are treatment protocols that adapt over time in response to a patient's observed characteristics. A DTR is a set of decision functions that takes an individual patient's information as…

统计方法学 · 统计学 2022-03-17 Cong Jiang , Michael Wallace , Mary Thompson

Reinforcement Learning from Verifiable Rewards (RLVR) has emerged as the standard paradigm for improving reasoning capability of large language models, while Multi-Token Prediction (MTP) has been a widely adopted module in pretraining.…

机器学习 · 计算机科学 2026-05-28 Zili Wang , Jiajun Chai , Lin Chen , Xiaohan Wang , Shiming Xiang , Guojun Yin