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To balance the quality and inference cost of a Foundation Model (FM, such as large language models (LLMs)) powered software, people often opt to train a routing model that routes requests to FMs with different sizes and capabilities.…

机器学习 · 计算机科学 2025-06-03 Kirill Vasilevski , Dayi Lin , Ahmed E. Hassan

We study the Stochastic Shortest Path (SSP) problem with a linear mixture transition kernel, where an agent repeatedly interacts with a stochastic environment and seeks to reach certain goal state while minimizing the cumulative cost.…

机器学习 · 计算机科学 2024-02-15 Qiwei Di , Jiafan He , Dongruo Zhou , Quanquan Gu

Efficiently reranking documents retrieved from information retrieval (IR) pipelines to enhance overall quality of Retrieval-Augmented Generation (RAG) system remains an important yet challenging problem. Recent studies have highlighted the…

计算与语言 · 计算机科学 2025-11-12 Jingyu Wu , Aditya Shrivastava , Jing Zhu , Alfy Samuel , Anoop Kumar , Daben Liu

This paper proposes a beamforming method under a per-antenna power constraint (PAPC). Although many beamformer designs with the PAPC need to solve complex optimization problems, the proposed complete power reallocation (CPR) method can…

信息论 · 计算机科学 2021-02-15 Sucheol Kim , Hyeongtaek Lee , Hwanjin Kim , Yongyun Choi , Junil Choi

Visible Light Communication (VLC) has been widely investigated during the last decade due to its ability to provide high data rates with low power consumption. In general, resource management is an important issue in cellular networks that…

网络与互联网体系结构 · 计算机科学 2021-05-25 Abdelrahman S. Elgamal , Osama Z. Alsulami , Ahmad Adnan Qidan , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

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

Given a network infrastructure (e.g., data-center or on-chip-network) and a distribution on the source-destination requests, the expected path (route) length is an important measure for the performance, efficiency and power consumption of…

网络与互联网体系结构 · 计算机科学 2012-07-06 Chen Avin , Michael Borokhovich , Bernhard Haeupler , Zvi Lotker

Graph-based multi-robot path planning (MRPP) is NP-hard to optimally solve. In this work, we propose the first low polynomial-time algorithm for MRPP achieving 1--1.5 asymptotic optimality guarantees on makespan for random instances under…

机器人学 · 计算机科学 2022-06-01 Teng Guo , Jingjin Yu

Due to the computational complexity of finding almost shortest simple paths, we propose that identifying a larger collection of (nonbacktracking) paths is more efficient than finding almost shortest simple paths on positively weighted…

数据结构与算法 · 计算机科学 2017-11-08 David Burstein , Leigh Metcalf

We consider the problem of peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems via optimized sparsification of tone reservation (TR). In particular, we propose a novel TR optimization…

信号处理 · 电气工程与系统科学 2024-07-31 Getuar Rexhepi , Kengo Ando , Giuseppe Thadeu Freitas de Abreu

To overcome the curses of dimensionality and modeling of Dynamic Programming (DP) methods to solve Markov Decision Process (MDP) problems, Reinforcement Learning (RL) methods are adopted in practice. Contrary to traditional RL algorithms…

机器学习 · 计算机科学 2021-08-24 Arghyadip Roy , Vivek Borkar , Abhay Karandikar , Prasanna Chaporkar

Maximum Likelihood (ML) algorithms, for the joint estimation of synchronization impairments and channel in Multiple Input Multiple Output-Orthogonal Frequency Division Multiplexing (MIMO-OFDM) system, are investigated in this work. A system…

信息论 · 计算机科学 2012-10-30 Renu Jose , K. V. S. Hari

Rate adaptation plays a key role in determining the performance of wireless LANs. In this paper, we introduce a semi-Markovian framework to analyze the performance of two of the most popular rate adaptation algorithms used in wireless LANs,…

网络与互联网体系结构 · 计算机科学 2010-10-20 Angad Singh , David Starobinski

An adaptive joint power allocation (JPA) and linear receiver design algorithm using the minimum bit error rate (MBER) criterion for a cooperative Multiple-Input Multiple-Output (MIMO) network is proposed. The system employs multiple relays…

信息论 · 计算机科学 2013-03-21 Tong Peng , Rodrigo C. de Lamare , Anke Schmeink

Probabilistic sampling-based algorithms, such as the probabilistic roadmap (PRM) and the rapidly-exploring random tree (RRT) algorithms, represent one of the most successful approaches to robotic motion planning, due to their strong…

机器人学 · 计算机科学 2016-05-04 Lucas Janson , Brian Ichter , Marco Pavone

We consider the problem of single link failure in an elastic optical network, (also known as flex-grid WDM network). The task is to reroute optical connections that go through the broken link using free capacity of other links of the…

网络与互联网体系结构 · 计算机科学 2024-06-17 Alexander Rubtsov , Bruno Bauwens , Dmitri Shmelkin , Elizaveta Rudenko , Alexey Lavrov

In a telecommunication network, Routing and Wavelength Assignment (RWA) is the problem of finding lightpaths for incoming connection requests. When facing a dynamic traffic, greedy assignment of lightpaths to incoming requests based on…

最优化与控制 · 数学 2023-05-11 Maryam Daryalal , Merve Bodur

Motivated by what is required for real-time path planning, the paper starts out by presenting sRMPD, a new recursive "local" planner founded on the key notion that, unless made necessary by an obstacle, there must be no deviation from the…

机器人学 · 计算机科学 2018-02-27 Fangda Li , Ankit V. Manerikar , Avinash C. Kak

To cope with the ever increasing demand for bandwidth, future wireless networks will be designed with reuse distance equal to one. This scenario requires the implementation of techniques able to manage the strong multiple access…

信息论 · 计算机科学 2013-10-18 Ying Yang , Marco Moretti , Wenxiang Dong , Weidong Wang

In this work, we address the joint design of the wireless backhauling network topology as well as the frequency/power allocation on the wireless links, where nodes are capable of full-duplex (FD) operation. The proposed joint design enables…

网络与互联网体系结构 · 计算机科学 2019-10-02 Omid Taghizadeh , Praveen Sirvi , Santosh Narasimha , Jose Angel Leon Calvo , Rudolf Mathar