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相关论文: Joint Scheduling and Resource Allocation in the OF…

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Recent studies indicate the feasibility of in-band fullduplex (FD) wireless communications, where a wireless radio transmits and receives simultaneously in the same band. Due to its potential to increase the capacity, analyzing the…

网络与互联网体系结构 · 计算机科学 2016-11-15 Peyman Tehrani , Farshad Lahouti , Michele Zorzi

In this paper, we study resource allocation for downlink orthogonal frequency division multiple access (OFDMA) systems with the objective to enable ultra-reliable low latency communication (URLLC). To meet the stringent delay requirements…

信息论 · 计算机科学 2019-01-18 Walid R. Ghanem , Vahid Jamali , Yan Sun , Robert Schober

In this paper, we propose a resource allocation algorithm for the downlink of sectorized two-dimensional (2-D) OFDMA cellular networks assuming statistical Channel State Information (CSI) and fractional frequency reuse. The proposed…

信息论 · 计算机科学 2016-11-17 Nassar Ksairi , Pascal Bianchi , Philippe Ciblat

In this paper, we study the resource allocation for an orthogonal frequency division multiple access (OFDMA) radio system employing a full-duplex base station for serving multiple half-duplex downlink and uplink users simultaneously. The…

信息论 · 计算机科学 2017-05-08 Yan Sun , Derrick Wing Kwan Ng , Robert Schober

In a companion paper, we characterized the optimal resource allocation in terms of power control and subcarrier assignment, for a downlink sectorized OFDMA system. In our model, the network is assumed to be one dimensional for the sake of…

信息论 · 计算机科学 2009-08-28 Nassar Ksairi , Pascal Bianchi , Phiippe ciblat , Walid Hachem

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

In this paper, we consider maximizing the sum-rate in the uplink of a multi-cell OFDMA network. The problem has a non-convex combinatorial structure and is known to be NP hard. Due to the inherent complexity of implementing the optimal…

最优化与控制 · 数学 2011-09-22 Hina Tabassum , Zaher Dawy , Mohamed Slim Alouini

Most recent works in device-to-device (D2D) underlay communications focus on the optimization of either power or channel allocation to improve the spectral efficiency, and typically consider uplink and downlink separately. Further, several…

信号处理 · 电气工程与系统科学 2026-04-07 Mohamed Elnourani , Siddharth Deshmukh , Baltasar Beferull-Lozano , Daniel Romero

This paper addresses the problem of energy-efficient resource allocation in the downlink of a cellular OFDMA system. Three definitions of the energy efficiency are considered for system design, accounting for both the radiated and the…

信息论 · 计算机科学 2022-03-14 Luca Venturino , Alessio Zappone , Chiara Risi , Stefano Buzzi

We consider a downlink multicast and unicast superposition transmission in multi-layer Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiple Access (OFDMA) systems when only the statistical channel state information…

信息论 · 计算机科学 2023-10-03 Yong Jin Daniel Kim , David Vargas

For a two user cooperative orthogonal frequency division multiple access (OFDMA) system with full channel state information (CSI), we obtain the optimal power allocation (PA) policies which maximize the rate region achievable by a channel…

信息论 · 计算机科学 2015-03-20 Sezi Bakım , Onur Kaya

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

信息论 · 计算机科学 2020-05-12 Walid R. Ghanem , Vahid Jamali , Qiuyu Zhang , Robert Schober

We consider a resource management problem in a multi-cell downlink OFDMA network, whereby the goal is to find the optimal per base station resource allocation and user-base station assignment. The users are assumed to be strategic/selfish…

信息论 · 计算机科学 2012-11-27 Mingyi Hong , Alfredo Garcia

In this work we consider the problem of downlink resource allocation for proportional fairness of long term received rates of data users and quality of service for real time sessions in an OFDMA-based wireless system. The base station…

网络与互联网体系结构 · 计算机科学 2007-11-09 Tolga Girici , Chenxi Zhu , Jonathan R. Agre , Anthony Ephremides

Downlink scheduling schemes are well-known and widely investigated under the assumption that the channel state is perfectly known to the scheduler. In the multiuser MIMO (broadcast) case, downlink scheduling in the presence of non-perfect…

信息论 · 计算机科学 2009-10-11 Hooman Shirani-Mehr , Giuseppe Caire , Michael J. Neely

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

In this paper, we study the resource allocation and user scheduling algorithm for minimizing the energy cost of data transmission in the context of OFDMA collaborative mobile cloud (CMC) with simultaneous wireless information and power…

网络与互联网体系结构 · 计算机科学 2014-10-02 Zheng Chang , Jie Gong , Tapani Ristaniemi , Zhisheng Niu

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

Full-duplex is a promising technology and great system performance enhancement can be achieved especially when we apply it to base stations. In this paper, we consider a Multi-User OFDMA network consisting of one Full-duplex base station,…

信息论 · 计算机科学 2017-01-10 Yang You , Chong Qin , Yi Gong

In a full-duplex (FD) multi-user network, the system performance is not only limited by the self-interference but also by the co-channel interference due to the simultaneous uplink and downlink transmissions. Joint design of the…

信息论 · 计算机科学 2019-04-09 Xiaozhou Zhang , Tsung-Hui Chang , Ya-Feng Liu , Chao Shen , Gang Zhu
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