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Carrier Sense Multiple Access (CSMA) protocols have been shown to reach the full capacity region for data communication in wireless networks, with polynomial complexity. However, current literature achieves the throughput optimality with an…

网络与互联网体系结构 · 计算机科学 2014-01-16 Hongxing Li , Nitin Vaidya

In this paper, we propose a two-timescale delay-optimal dynamic clustering and power allocation design for downlink network MIMO systems. The dynamic clustering control is adaptive to the global queue state information (GQSI) only and…

机器学习 · 计算机科学 2017-04-26 Ying Cui , Qingqing Huang , Vincent K. N. Lau

Caching at mobile devices and leveraging device- to-device (D2D) communication are two promising approaches to support massive content delivery over wireless networks. The analysis of cache-enabled wireless networks is usually carried out…

信息论 · 计算机科学 2020-03-25 Ramy Amer , Hesham Elsawy , M. Majid Butt , Eduard A. Jorswieck , Mehdi Bennis , Nicola Marchetti

In this paper, we study resource allocation algorithm design for multi-user orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) in mobile edge computing (MEC) systems. To meet the stringent…

信息论 · 计算机科学 2022-11-10 Walid R. Ghanem , Vahid Jamali , Robert Schober

A significant burden on wireless networks is brought by the uploading of user-generated contents to the Internet by means of applications such as the social media. To cope with this mobile data tsunami, we develop a novel MIMO network…

信息论 · 计算机科学 2018-11-14 Anastasios Papazafeiropoulos , Tharmalingam Ratnarajah

Sharing entanglement among multiple users remains a central challenge for scalable quantum networks. Recent work proposed an on-demand entanglement packet architecture in which a controller uses a Time Division Multiple Access (TDMA)…

量子物理 · 物理学 2026-05-28 Quang-Phong Tran , Claudio Cicconetti , Marco Conti , Andrea Passarella

In this paper, we propose a distributive queueaware intra-cell user scheduling and inter-cell interference (ICI) management control design for a delay-optimal celluar downlink system with M base stations (BSs), and K users in each cell.…

信息论 · 计算机科学 2010-09-14 Huang Huang , Vincent K. N. Lau

Effective capacity, which provides the maximum constant arrival rate that a given service process can support while satisfying statistical delay constraints, is analyzed in a multiuser scenario. In particular, the effective capacity region…

信息论 · 计算机科学 2010-09-17 Deli Qiao , Mustafa Cenk Gursoy , Senem Velipasalar

In this paper, we study joint queue-aware and channel-aware scheduling of arbitrarily bursty traffic over multi-state time-varying channels, where the bursty packet arrival in the network layer, the backlogged queue in the data link layer,…

信息论 · 计算机科学 2016-06-06 Meng Wang , Juan Liu , Wei Chen

We consider the problem of distributed downlink beam scheduling and power allocation for millimeter-Wave (mmWave) cellular networks where multiple base stations (BSs) belonging to different service operators share the same unlicensed…

信息论 · 计算机科学 2021-10-19 Xiang Zhang , Shamik Sarkar , Arupjyoti Bhuyan , Sneha Kumar Kasera , Mingyue Ji

Distributed storage systems (DSSs) provide a scalable solution for reliably storing massive amounts of data coming from various sources. Heterogeneity of these data sources often means different data classes (types) exist in a DSS, each…

信息论 · 计算机科学 2017-01-24 Koosha Pourtahmasi Roshandeh , Moslem Noori , Masoud Ardakani , Chintha Tellambura

Recently, physical layer security based approaches have drawn considerable attentions and are envisaged to provide secure communications in the wireless networks. However, most existing literatures only focus on the physical layer. Thus,…

信息论 · 计算机科学 2013-08-19 Jun Wang , Pengfei Huang , Xudong Wang

Unmanned aerial vehicles (UAVs) have played an important role in air-ground integration network. Especially in Internet of Things (IoT) services, UAV equipped with communication equipments is widely adopted as a mobile base station (BS) for…

信息论 · 计算机科学 2020-10-23 Bin Li , Xianzhen Guo , Ruonan Zhang , Xiaojiang Du , Mohsen Guizani

We propose a combined uplink/downlink opportunistic scheduling algorithm for infrastructure WLANs. In the presence of both uplink and downlink flows, an infrastructure WLAN suffers from the uplink/downlink unfairness problem which severely…

网络与互联网体系结构 · 计算机科学 2013-10-31 Nischal S , Vinod Sharma

Multi-tier computing can enhance the task computation by multi-tier computing nodes. In this paper, we propose a cell-free massive multiple-input multiple-output (MIMO) aided computing system by deploying multi-tier computing nodes to…

网络与互联网体系结构 · 计算机科学 2023-04-17 Kunlun Wang , Dusit Niyato , Wen Chen , Arumugam Nallanathan

We consider the problem of power allocation for the single-cell multi-user (MU) multiple-input single-output (MISO) downlink with quality-of-service (QoS) constraints. The base station acquires an estimate of the channels and, for a given…

信息论 · 计算机科学 2016-05-04 Foad Sohrabi , Timothy N. Davidson

Achieving an end-to-end low-latency for computations offloading, in Mobile Edge Computing (MEC) systems, is still a critical design problem. This is because the offloading of computational tasks via the MEC servers entails the use of uplink…

网络与互联网体系结构 · 计算机科学 2022-02-15 Ali Al-Shuwaili , Ahmed Lawey

In downlink multiuser multiple-input multiple-output (MU-MIMO) systems, users are practically heterogeneous in nature. However, most of the existing user scheduling algorithms are designed with an implicit assumption that the users are…

信息论 · 计算机科学 2011-08-16 Xinping Yi , Edward Au

We consider the problem of scheduling $n$ precedence-constrained jobs on $m$ uniformly-related machines in the presence of an arbitrary, fixed communication delay $\rho$. We consider a model that allows job duplication, i.e. processing of…

数据结构与算法 · 计算机科学 2020-04-24 Biswaroop Maiti , Rajmohan Rajaraman , David Stalfa , Zoya Svitkina , Aravindan Vijayaraghavan

Effective capacity, which provides the maximum constant arrival rate that a given service process can support while satisfying statistical delay constraints, is analyzed in a multiuser scenario. In particular, we study the achievable…

信息论 · 计算机科学 2009-10-22 Deli Qiao , Mustafa Cenk Gursoy , Senem Velipasalar