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Cache-enabled device-to-device (D2D) networks turn memory of the devices at the network edge, such as smart phones and tablets, into bandwidth by enabling asynchronous content sharing directly between proximate devices. Limited storage…

Information Theory · Computer Science 2016-03-08 Mehrnaz Afshang , Harpreet S. Dhillon

Device-to-device (D2D) aided beamforming for coded caching is considered in finite signal-to-noise ratio regime. A novel beamforming scheme is proposed where the local cache content exchange among nearby users is exploited. The transmission…

Information Theory · Computer Science 2019-05-15 Hamidreza Bakhshzad Mahmoodi , Jarkko Kaleva , Seyed Pooya Shariatpanahi , Babak Khalaj , Antti Tölli

Streaming video is becoming the predominant type of traffic over the Internet with reports forecasting the video content to account for 80% of all traffic by 2019. With significant investment on Internet backbone, the main bottleneck…

Networking and Internet Architecture · Computer Science 2018-01-01 Emre Ozfatura , Ozgur Ercetin , Hazer Inaltekin

A device-to-device (D2D) aided multi-antenna coded caching scheme is proposed to improve the average delivery rate and reduce the downlink (DL) beamforming complexity.} Novel beamforming and resource allocation schemes are proposed where…

Signal Processing · Electrical Eng. & Systems 2023-02-02 Hamidreza Bakhshzad Mahmoodi , Jarkko Kaleva , Seyed Pooya Shariatpanahi , Antti Tolli

A delay-optimal caching problem (DOCP) in deviceto- device (D2D) networks with moblity is modelled. The problem arises in the context of achieving offloading using device caching, and the offloading effect is represented by the expected…

Networking and Internet Architecture · Computer Science 2018-01-19 Tao Deng , Lei You , Pingzhi Fan , Di Yuan

The rapid increase in data traffic demand has overloaded existing cellular networks. Planned upgrades in the communication architecture (e.g. LTE), while helpful, are not expected to suffice to keep up with demand. As a result, extensive…

Networking and Internet Architecture · Computer Science 2015-03-03 Pavlos Sermpezis , Luigi Vigneri , Thrasyvoulos Spyropoulos

In heterogeneous cellular network, task scheduling for computation offloading is one of the biggest challenges. Most works focus on alleviating heavy burden of macro base stations by moving the computation tasks on macro-cell user equipment…

Networking and Internet Architecture · Computer Science 2018-01-12 Long Chen , Jigang Wu , Xinxiang Zhang

A method for optimizing encryption mechanism and resource allocation based on edge computing environment is proposed. A local differential privacy algorithm based on a histogram algorithm is used to protect user information during task…

Cryptography and Security · Computer Science 2022-12-29 Ruan Yanjiao

Device-to-device (D2D) communications is seen as a major technology to overcome the imminent wireless capacity crunch and to enable novel application services. In this paper, we propose a novel, social-aware approach for optimizing D2D…

Social and Information Networks · Computer Science 2015-10-19 Yanru Zhang , Lingyang Song , Walid Saad , Zaher Dawy , Zhu Han

As the demand of mobile devices (MDs) for data services is explosively increasing, traditional offloading in the cellular networks is facing the contradiction of energy efficiency and quality of service. Device-to-device (D2D) communication…

Information Theory · Computer Science 2016-11-17 Zicheng Xia , Jiawei Yan , Yuan Liu

With the increase in mobile traffic and the bandwidth demand, Device-to-Device (D2D) communication underlaying Long Term Evolution (LTE) networks has gained tremendous interest by the researchers, cellular operators and equipment…

Networking and Internet Architecture · Computer Science 2016-12-12 Bighnaraj Panigrahi , Rashmi Ramamohan , Hemant Kumar Rath , Anantha Simha

Device-to-Device (D2D) communication is expected to enable a number of new services and applications in future mobile networks and has attracted significant research interest over the last few years. Remarkably, little attention has been…

Networking and Internet Architecture · Computer Science 2016-06-07 Christoforos Vlachos , Vasilis Friderikos , Mischa Dohler

Device-to-device (D2D) communications is expected to be a critical enabler of distributed computing in edge networks at scale. A key challenge in providing this capability is the requirement for judicious management of the heterogeneous…

Signal Processing · Electrical Eng. & Systems 2022-08-17 Junghoon Kim , Taejoon Kim , Morteza Hashemi , Christopher G. Brinton , David J. Love

Opportunistic mobile networks consisting of intermittently connected mobile devices have been exploited for various applications, such as computational offloading and mitigating cellular traffic load. In contrast to existing work, in this…

Networking and Internet Architecture · Computer Science 2017-03-28 Zongqing Lu , Xiao Sun , Thomas La Porta

We consider a heterogeneous network with mobile edge computing, where a user can offload its computation to one among multiple servers. In particular, we minimize the system-wide computation overhead by jointly optimizing the individual…

Networking and Internet Architecture · Computer Science 2018-03-05 Quoc-Viet Pham , Tuan LeAnh , Nguyen H. Tran , Choong Seon Hong

Device-to-device (D2D) links scheduling for avoiding excessive interference is critical to the success of wireless D2D communications. Most of the traditional scheduling schemes only consider the maximum throughput or fairness of the system…

Information Theory · Computer Science 2022-02-08 Ling Luo , Zhenyu Liu , Zhiyong Chen , Min Hua , Wenqing Li , Bin Xia

Device-to-device (D2D) communication has seen as a major technology to overcome the imminent wireless capacity crunch and to enable new application services. In this paper, we propose a social-aware approach for optimizing D2D communication…

Social and Information Networks · Computer Science 2015-10-16 Yanru Zhang , Lingyang Song , Walid Saad , Zaher Dawy , Zhu Han

Preference-based reinforcement learning (RL) is a key paradigm for aligning policies with human judgments, yet its theoretical behavior in distributed settings where preference data are fragmented across heterogeneous users remains poorly…

Machine Learning · Computer Science 2026-05-21 Zhanhong Jiang

Cellular offloading in device-to-device communication is a challenging optimisation problem in which the improved allocation of radio resources can increase spectral efficiency, energy efficiency, throughout and reduce latency. The academic…

Systems and Control · Electrical Eng. & Systems 2021-01-28 David Cotton , Zenon Chaczko

Direct Preference Optimization (DPO) has shown promising results in aligning generative outputs with human preferences by distinguishing between chosen and rejected samples. However, a critical limitation of DPO is likelihood displacement,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Ruojun Xu , Yu Kai , Xuhua Ren , Jiaxiang Cheng , Bing Ma , Tianxiang Zheng , Qinhlin Lu