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We design and evaluate algorithms for efficient user-mobility driven macro-cell planning in cellular networks. As cellular networks embrace heterogeneous technologies (including long range 3G/4G and short range WiFi, Femto-cells, etc.),…

网络与互联网体系结构 · 计算机科学 2015-01-15 Shubhadip Mitra , Sayan Ranu , Vinay Kolar , Aditya Telang , Arnab Bhattacharya , Ravi Kokku , Sriram Raghavan

In cellular networks, the locations of the radio access network (RAN) elements are determined mainly based on the long-term traffic behaviour. However, when the random and hard-to-predict spatio-temporal distribution of the traffic…

网络与互联网体系结构 · 计算机科学 2016-07-25 Irem Bor-Yaliniz , Halim Yanikomeroglu

Recently heterogeneous base station structure has been adopted in cellular systems to enhance system throughput and coverage. In this paper, the uplink coverage probability for the heterogeneous cellular systems is analyzed and derived in…

信息论 · 计算机科学 2012-07-03 Haichuan Ding , Shaodan Ma , Chengwen Xing , Zesong Fei , Jingming Kuang

Recently, wireless edge caching has been emerged as a promising technology for future wireless networks to cope with exponentially increasing demands for high data rate and low latency multimedia services by proactively storing contents at…

信息论 · 计算机科学 2018-11-28 Sepehr Rezvani , Nader Mokari , Mohammad R. Javan , Eduard A. Jorswieck

We study the problem of joint load balancing and interference mitigation in heterogeneous networks (HetNets) in which massive multiple-input multiple-output (MIMO) macro cell base station (BS) equipped with a large number of antennas,…

网络与互联网体系结构 · 计算机科学 2017-07-11 Trung Kien Vu , Mehdi Bennis , Sumudu Samarakoon , Mérouane Debbah , Matti Latva-aho

We consider heterogeneous wireless networks in the physical interference model and introduce a new formulation of the mixed-integer nonlinear programming problem that addresses base-station activation and many-to-many associations while…

网络与互联网体系结构 · 计算机科学 2022-01-26 Raphael M. Guedes , José F. de Rezende , Valmir C. Barbosa

In this paper, we propose the first optimum process scheduling algorithm for an increasingly prevalent type of heterogeneous multicore (HEMC) system that combines high-performance big cores and energy-efficient small cores with the same…

分布式、并行与集群计算 · 计算机科学 2021-09-13 Chien-Hao Chen , Ren-Song Tsay

Large Language Models (LLMs) in agentic workflows combine multi-step reasoning, heterogeneous tool use, and collaboration across multiple specialized agents. Existing LLM serving engines optimize individual calls in isolation, while…

数据库 · 计算机科学 2026-01-21 Junyi Shen , Noppanat Wadlom , Yao Lu

In this paper, we study the problem of joint inband backhauling and interference mitigation in 5G heterogeneous networks (HetNets) in which a massive multiple-input multipleoutput (MIMO) macro cell base station equipped with a large number…

网络与互联网体系结构 · 计算机科学 2017-05-24 Trung Kien Vu , Mehdi Bennis , Sumudu Samarakoon , Merouane Debbah , Matti Latva-aho

A key feature of the packet scheduler in LTE system is that it can allocate resources both in the time and frequency domain. Furthermore, the scheduler is acquainted with channel state information periodically reported by user equipments…

网络与互联网体系结构 · 计算机科学 2014-10-01 Mattia Carpin , Andrea Zanella , Jawad Rasool , Kashif Mahmood , Ole Grøndalen , Olav N. Østerbø

The paper addresses optimizing two of the most important performance parameters, packet loss, and delay, in the critical path optimization of LTE and 5G networks using metaheuristic algorithms to play a vital role in the smartphone user…

网络与互联网体系结构 · 计算机科学 2025-10-07 Almamoon Alauthman , Abeer Al-Hyari

Since local LLM inference on resource-constrained edge devices imposes a severe performance bottleneck, this paper proposes distributed prompt caching to enhance inference performance by cooperatively sharing intermediate processing states…

机器学习 · 计算机科学 2026-04-13 Hiroki Matsutani , Naoki Matsuda , Naoto Sugiura

This paper presents a hierarchical approach to resource allocation in open-access femtocell networks. The major challenge in femtocell networks is interference management which in our system, based on the Long Term Evolution (LTE) standard,…

信息论 · 计算机科学 2012-02-27 Sanam Sadr , Raviraj Adve

We consider a user-centric scalable cell-free massive MIMO network with a total of $LM$ distributed remote radio unit antennas serving $K$ user equipments (UEs). Many works in the current literature assume $LM\gg K$, enabling high UE data…

A two-tier heterogeneous cellular network (HCN) with intra-tier and inter-tier dependence is studied. The macro cell deployment follows a Poisson point process (PPP) and two different clustered point processes are used to model the…

信息论 · 计算机科学 2016-05-03 Ejder Baştuğ , Mehdi Bennis , Marios Kountouris , Mérouane Debbah

In this paper, we introduce an application-aware approach for resource block scheduling with carrier aggregation in Long Term Evolution Advanced (LTE-Advanced) cellular networks. In our approach, users are partitioned in different groups…

网络与互联网体系结构 · 计算机科学 2016-11-17 Haya Shajaiah , Ahmed Abdelhadi , T. Charles Clancy

Edge computing enables smart IoT-based systems via concurrent and continuous execution of latency-sensitive machine learning (ML) applications. These edge-based machine learning systems are often battery-powered (i.e., energy-limited). They…

分布式、并行与集群计算 · 计算机科学 2022-07-22 Ali Mokhtari , Md Abir Hossen , Pooyan Jamshidi , Mohsen Amini Salehi

A semi-centralized joint cell muting and user scheduling scheme for interference coordination in a multicell network is proposed under two different temporal fairness criteria. The main principle behind the proposed scheme is that a central…

网络与互联网体系结构 · 计算机科学 2017-07-06 Shahram Shahsavari , Nail Akar , Babak Hossein Khalaj

In this paper, the problem of energy efficiency in cellular heterogeneous networks (HetNets) is investigated using radio resource and power management combined with the base station (BS) ON/OFF switching. The objective is to minimize the…

网络与互联网体系结构 · 计算机科学 2019-12-03 Hakim Ghazzai , Muhammad Junaid Farooq , Ahmad Alsharoa , Elias Yaacoub , Abdullah Kadri , Mohamed-Slim Alouini

We consider scheduling and resource allocation in long-term evolution (LTE) networks across voice over LTE (VoLTE) and best-effort data users. The difference between these two is that VoLTE users get scheduling priority to receive their…

网络与互联网体系结构 · 计算机科学 2019-01-09 Maryam Mohseni , S. Alireza Banani , Andrew W. Eckford , Raviraj S. Adve