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In this paper, we consider the energy-bandwidth allocation for a network with multiple broadcast channels, where the transmitters access the network orthogonally on the assigned frequency band and each transmitter communicates with multiple…

信息论 · 计算机科学 2014-10-13 Zhe Wang , Vaneet Aggarwal , Xiaodong Wang

Support of real-time applications that impose strict requirements on packet loss ratio and latency is an essential feature of the next generation Wi-Fi networks. Initially introduced in the 802.11ax amendment to the Wi-Fi standard, uplink…

网络与互联网体系结构 · 计算机科学 2019-09-04 Evgeny Avdotin , Dmitry Bankov , Evgeny Khorov , Andrey Lyakhov

Interleaved Frequency Division Multiple Access (IFDMA) and Orthogonal FDMA (OFDMA) belong to a class of signal modulation and multiple-access techniques in which information of multiple users are multiplexed and carried on subcarriers…

信号处理 · 电气工程与系统科学 2020-10-16 Yulin Shao , Soung Chang Liew

Algorithmic decision-making in high-stakes settings can have profound impacts on individuals and populations. While much prior work studies fairness in static settings, recent results show that enforcing static fairness constraints may…

人工智能 · 计算机科学 2026-05-08 Shahin Jabbari , Chen Wang

Orthogonal Frequency Division Multiple Access (OFDMA) is a multi-user version of the Orthogonal Frequency Division Multiplexing (OFDM) transmission technique, which divides a wideband channel into a number of orthogonal narrowband…

网络与互联网体系结构 · 计算机科学 2012-03-01 Anatolij Zubow , Johannes Marotzke

Heterogeneity in wireless network architectures (i.e., the coexistence of 3G, LTE, 5G, WiFi, etc.) has become a key component of current and future generation cellular networks. Simultaneous aggregation of each client's traffic across…

网络与互联网体系结构 · 计算机科学 2019-06-04 Ehsan Aryafar , Alireza Keshavarz-Haddad , Carlee Joe-Wong

Time Slotted Channel Hopping (TSCH) is a Medium Access Control (MAC) protocol introduced in IEEE802.15.4e standard, addressing low power requirements of the Internet of Things (IoT) and Low Power Lossy Networks (LLNs). The 6TiSCH Operation…

网络与互联网体系结构 · 计算机科学 2021-12-15 Lokesh Bommisetty , TG Venkatesh

We propose algorithms for cloud radio access networks that not only provide heterogeneous quality of-service (QoS) for rate- and, importantly, delay-sensitive applications, but also jointly optimize the frequency reuse pattern. Importantly,…

网络与互联网体系结构 · 计算机科学 2018-01-29 Alirezan Sharifian , Raviraj Adve

This paper investigates the adaptive subcarrier and bit allocation algorithm for OFDMA systems. To minimize overall transmitted power, we propose a novel adaptive subcarrier and bit allocation algorithm based on channel state information…

网络与互联网体系结构 · 计算机科学 2011-11-10 Sudhir B. Lande , J. B. Helonde , Rajesh Pande , S. S. Pathak

With the increasingly broad deployment of federated learning (FL) systems in the real world, it is critical but challenging to ensure fairness in FL, i.e. reasonably satisfactory performances for each of the numerous diverse clients. In…

机器学习 · 计算机科学 2023-05-10 Guojun Zhang , Saber Malekmohammadi , Xi Chen , Yaoliang Yu

To solve the parameter sensitive issue of the traditional RED (random early detection) algorithm, an adaptive buffer management algorithm called PAFD (packet adaptive fair dropping) is proposed. This algorithm supports DiffServ…

网络与互联网体系结构 · 计算机科学 2010-05-07 Yechang Fang , Kang Yen , Deng Pan , Zhuo Sun

We consider the uplink of a cellular communication system with $K$ users per cell and infinite base stations equally spaced on a line. The system is conventional, i.e., it does not make use of joint cell-site processing. A hard fairness…

信息论 · 计算机科学 2008-02-22 Daeyoung Park , Giuseppe Caire

In this paper, we consider a single-cell multi-user orthogonal frequency division multiple access (OFDMA) network with one unmanned aerial vehicle (UAV), which works as an amplify-and-forward relay to improve the quality-of-service (QoS) of…

信息论 · 计算机科学 2021-04-23 Shuhao Zeng , Hongliang Zhang , Boya Di , Lingyang Song

Multicarrier-low density spreading multiple access (MC-LDSMA) is a promising multiple access technique that enables near optimum multiuser detection. In MC-LDSMA, each user's symbol spread on a small set of subcarriers, and each subcarrier…

信息论 · 计算机科学 2017-05-15 Mohammed Al-Imari , Muhammad Ali Imran , Pei Xiao

In this paper, we present a novel approach for robust optimal resource allocation with joint carrier aggregation to allocate multiple carriers resources optimally among users with elastic and inelastic traffic in cellular networks. We use…

网络与互联网体系结构 · 计算机科学 2015-07-07 Haya Shajaiah , Ahmed Abdelhadi , T. Charles Clancy

Orthogonal time frequency space (OTFS) modulation is a recent modulation scheme designed in the delay-Doppler domain. It has been shown to achieve superior performance compared to conventional multicarrier modulation schemes designed in the…

信息论 · 计算机科学 2019-02-12 G. D. Surabhi , Rose Mary Augustine , A. Chockalingam

Proportional fair scheduling (PFS) has been adopted as a standard solution for fair resource allocation in modern wireless cellular networks. With the emergence of heterogeneous networks with widely varying user loads, it is of great…

信息论 · 计算机科学 2017-01-23 Fei Liu , Janne Riihijärvi , Marina Petrova

In this paper, a weighted proportional fair (PF) scheduling method is proposed in the context of non-orthogonal multiple access (NOMA) with successive interference cancellation (SIC) at the receiver side. The new scheme introduces weights…

信号处理 · 电气工程与系统科学 2017-10-31 Marie-Rita Hojeij , Charbel Abdel Nour , Joumana Farah , Catherine Douillard

In this paper, we propose a novel deep reinforcement learning framework to maximize user fairness in terms of delay. To this end, we devise a new version of the modified largest weighted delay first (M-LWDF) algorithm, which is called…

This paper is on relay selection in uplink of an in-band full-duplex (IBFD) cooperative cellular network. Assuming an orthogonal frequency division multiple access (OFDMA) cellular network, we develop a relay selection and resource…

信息论 · 计算机科学 2017-02-09 Jafar Banar , S. Mohammad Razavizadeh