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For a fading Gaussian multiple access channel with user cooperation, we obtain the optimal power allocation policies that maximize the rates achievable by block Markov superposition coding. The optimal policies result in a coding scheme…

Information Theory · Computer Science 2007-07-13 Onur Kaya , Sennur Ulukus

The unprecedented growth of internet contents, specially social media, invoking a challenge to the load of cellular networks. In addition, nowadays, the demands of quality of experience (QoE) became a more practical norm in contrast of…

Information Theory · Computer Science 2021-06-29 Sepehr Rezvani , Nader Mokari , Mohammad R. Javan

We consider multi--hop wireless networks carrying unicast flows for multiple users. Each flow has a specified delay deadline, and the lossy wireless links are modelled as binary symmetric channels (BSCs). Since transmission time, also…

Networking and Internet Architecture · Computer Science 2012-01-19 Premkumar Karumbu , Xiaomin Chen , Douglas Leith

We address the problem of optimizing the throughput of network coded traffic in mobile networks operating in challenging environments where connectivity is intermittent and locally available memory space is limited. Random linear network…

Information Theory · Computer Science 2011-04-19 Gabriel Popa

In cellular networks, resource allocation is performed in a centralized way, which brings huge computation complexity to the base station (BS) and high transmission overhead. This paper investigates the distributed resource allocation…

Signal Processing · Electrical Eng. & Systems 2024-11-12 Zelin Ji , Zhijin Qin

In this paper, we consider a distributed joint sensing and communication (DJSC) system in which multiple radar sensors are deployed. Each sensor is equipped with a sensing function and a communication function, and thus it is a JSC node.…

Networking and Internet Architecture · Computer Science 2021-11-09 Trung Thanh Nguyen , Khaled Elbassioni , Nguyen Cong Luong , Dusit Niyato , Dong In Kim

The Multi-Carrier Code Division Multiple Access (MC-CDMA) is becoming a very significant downlink multiple access technique for high-rate data transmission in the fourth generation wireless communication systems. By means of efficient…

Networking and Internet Architecture · Computer Science 2012-09-17 Hema Kale , C. G. Dethe , M. M. Mushrif

In this paper, efficient resource allocation for the uplink transmission of wireless powered IoT networks is investigated. We adopt LoRa technology as an example in the IoT network, but this work is still suitable for other communication…

Information Theory · Computer Science 2019-02-04 Xiaolan Liu , Zhijin Qin , Yue Gao , Julie A. McCann

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…

Networking and Internet Architecture · Computer Science 2014-10-02 Zheng Chang , Jie Gong , Tapani Ristaniemi , Zhisheng Niu

Design of energy efficient protocols for modern wireless systems has become an important area of research. In this paper, we propose a distributed optimization algorithm for the channel assignment problem for multiple interfering…

Networking and Internet Architecture · Computer Science 2018-02-16 Oshri Naparstek , S. M. Zafaruddin , Amir Leshem , Eduard Jorswieck

In this work, we deal with resource allocation in the downlink of spatial multiplexing MIMO-OFDMA systems. In particular, we concentrate on the problem of jointly optimizing the transmit and receive processing matrices, the channel…

Information Theory · Computer Science 2014-04-21 Marco Moretti , Luca Sanguinetti , Xiaodong Wang

While there are continuous efforts to introduce new communication systems and standards, it is legitimate to ask the question: how can one send additional bits by minimally changing the systems that are already operating? This is of a…

Information Theory · Computer Science 2012-02-03 Petar Popovski , Zoran Utkovski

In this paper, we study resource allocation for a full-duplex (FD) radio base station serving multiple half-duplex (HD) downlink and uplink users simultaneously. The considered resource allocation algorithm design is formulated as a…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Yan Sun , Robert Schober

We formulate the resource allocation problem for the uplink of code division multiple access (CDMA) networks using a game theoretic framework, propose an efficient and distributed algorithm for a joint rate and power allocation, and show…

Computer Science and Game Theory · Computer Science 2011-06-28 Mohammad R. Javan , Ahmad R. Sharafat

Rate splitting multiple access (RSMA) provides a flexible transmission framework that can be applied in mobile edge computing (MEC) systems. However, the research work on RSMA-assisted MEC systems is still at the infancy and many design…

Signal Processing · Electrical Eng. & Systems 2024-12-02 Ding Xu , Lingjie Duan , Haitao Zhao , Hongbo Zhu

Due to its promising performance in a wide range of practical scenarios, Rate-Splitting (RS) has recently received significant attention in academia for the downlink of communication systems. In this letter, we propose and analyse a…

Information Theory · Computer Science 2020-01-08 Jian Zhang , Bruno Clerckx , Jianhua Ge , Yijie Mao

In this work, we propose a distributed rate allocation algorithm that minimizes the average decoding delay for multimedia clients in inter-session network coding systems. We consider a scenario where the users are organized in a mesh…

Networking and Internet Architecture · Computer Science 2016-11-17 Eirina Bourtsoulatze , Nikolaos Thomos , Pascal Frossard

Semantic communication is a new paradigm that aims at providing more efficient communication for the next-generation wireless network. It focuses on transmitting extracted, meaningful information instead of the raw data. However, deep…

Social and Information Networks · Computer Science 2025-01-09 Yang Li , Xinyu Zhou , Jun Zhao

We study the problem of allocating multiple users to a set of wireless channels in a decentralized manner when the channel quali- ties are time-varying and unknown to the users, and accessing the same channel by multiple users leads to…

Multiagent Systems · Computer Science 2016-11-25 Cem Tekin , Mingyan Liu

This letter introduces a novel resource allocation algorithm for achieving max-min fairness (MMF) in a rate-splitting multiple access (RSMA) empowered multi-antenna broadcast channel. Specifically, we derive the closed-form solution for the…

Information Theory · Computer Science 2023-10-31 Facheng Luo , Yijie Mao