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We consider the problem of cooperation in distributed wireless networks of selfish and free transmitters aiming at maximizing their energy-efficiency. The strategy of each transmitter consists in choosing his power control (PC) policy. Two…

Computer Science and Game Theory · Computer Science 2012-10-25 Maël Le Treust , Samson Lasaulce , Mérouane Debbah

This paper investigates the application of simultaneous wireless information and power transfer (SWIPT) to cooperative non-orthogonal multiple access (NOMA). A new cooperative multiple-input single-output (MISO) SWIPT NOMA protocol is…

Information Theory · Computer Science 2017-08-02 Yanqing Xu , Chao Shen , Zhiguo Ding , Xiaofang Sun , Shi Yan , Gang Zhu , Zhangdui Zhong

In a heterogeneous cellular network (HetNet), consider that a base station in the HetNet is able to simultaneously schedule and serve K users in the downlink by performing the power-domain non-orthogonal multiple access (NOMA) scheme. This…

Information Theory · Computer Science 2018-01-16 Chun-Hung Liu , Di-Chun Liang

In this paper, we examine the physical layer security for cooperative wireless networks with multiple intermediate nodes, where the decode-and-forward (DF) protocol is considered. We propose a new joint relay and jammer selection (JRJS)…

Information Theory · Computer Science 2017-01-10 Haiyan Guo , Zhen Yang , Linghua Zhang , Jia Zhu , Yulong Zou

Recent studies have demonstrated the superiority of non-orthogonal multiple access (NOMA) over orthogonal multiple access (OMA) in cooperative communication networks. In this paper, we propose a novel half-duplex cooperative asynchronous…

Information Theory · Computer Science 2019-02-22 Xun Zou , Mehdi Ganji , Hamid Jafarkhani

For future wireless networks, enormous numbers of interconnections are required, creating a disorganized topology and leading to a great challenge in data aggregation. Instead of collecting data individually, a more efficient technique,…

Information Theory · Computer Science 2019-08-15 Fangzhou Wu , Li Chen , Nan Zhao , Yunfei Chen , F. Richard Yu , Guo Wei

This paper considers a wireless powered communication network (WPCN) with group cooperation, where two communication groups cooperate with each other via wireless power transfer and time sharing to fulfill their expected information…

Information Theory · Computer Science 2017-03-28 Ke Xiong , Chen Chen , Gang Qu , Pingyi Fan , Khaled Ben Letaief

We consider a power-constrained sensor network, consisting of multiple sensor nodes and a fusion center (FC), that is deployed for the purpose of estimating a common random parameter of interest. In contrast to the distributed framework,…

Information Theory · Computer Science 2012-05-16 Swarnendu Kar , Pramod K. Varshney

This paper considers wireless-powered cooperative jamming (CJ) to secure communication between a transmitter (Tx) and an information receiver (IR), in the presence of an energy receiver (ER) which is termed as a potential eavesdropper. The…

Information Theory · Computer Science 2017-02-21 Mengyu Liu , Yuan Liu

A novel generalized coordinated multi-point transmission (GCoMP)-enabled non-orthogonal multiple access (NOMA) scheme is proposed. In particular, the traditional joint transmission CoMP scheme is generalized to be applied for all…

Information Theory · Computer Science 2019-01-31 Yasser Al-Eryani , Ekram Hossain , Dong In Kim

In this report, the fundamental limits of simultaneous information and energy transmission in the two-user Gaussian multiple access channel (G-MAC) with and without feedback are fully characterized. More specifically, all the achievable…

Information Theory · Computer Science 2017-03-14 Selma Belhadj Amor , Samir M. Perlaza , Ioannis Krikidis , H. Vincent Poor

This letter introduces a novel framework to optimize the power allocation for users in a Rate Splitting Multiple Access (RSMA) network. In the network, messages intended for users are split into different parts that are a single common part…

Information Theory · Computer Science 2021-10-06 Nguyen Quang Hieu , Dinh Thai Hoang , Dusit Niyato , Dong In Kim

In this paper, the sum-rate maximization problem is studied for wireless networks that use downlink rate splitting multiple access (RSMA). In the considered model, each base station (BS) divides the messages that must be transmitted to its…

Signal Processing · Electrical Eng. & Systems 2019-03-20 Zhaohui Yang , Mingzhe Chen , Walid Saad , Mohammad Shikh-Bahaei

We investigate joint power allocation and decoding order selection (PA-DOS) aimed at enhancing the outage performance of non-orthogonal multiple access (NOMA) systems. By considering the diverse target rates of users, new important…

Information Theory · Computer Science 2022-12-26 Mengqi Yang , Jian Chen , Zhiguo Ding , Yuanwei Liu , Lu Lv , Long Yang

This paper deals with the problem of admission control/channel access in power-controlled decentralized wireless networks, in which the quality-of-service (QoS) is expressed in terms of the signal-to-interference ratio (SIR). We analyze a…

Information Theory · Computer Science 2010-01-06 Sławomir Stańczak , Michał Kaliszan , Nicholas Bambos

This paper proposes and investigates the concept of a safe carrier-sensing range that can guarantee interference safe (also termed hidden-node-free) transmissions in CSMA networks under the cumulative interference model. Compared with the…

Networking and Internet Architecture · Computer Science 2009-12-14 Liqun Fu , Soung Chang Liew , Jianwei Huang

This paper studies an integrated network design that boosts system capacity through cooperation between wireless access points (APs) and a satellite. By coherently combing the signals received by the central processing unit from the users…

Information Theory · Computer Science 2022-09-07 Trinh Van Chien , Eva Lagunas , Tiep M. Hoang , Symeon Chatzinotas , Björn Ottersten , Lajos Hanzo

In this paper, a joint power allocation algorithm with minimum mean-squared error (MMSE) receiver for a cooperative Multiple-Input and Multiple-Output (MIMO) network which employs multiple relays and a Decode-and-Forward (DF) strategy is…

Information Theory · Computer Science 2013-03-22 T. Peng , R. C. de Lamare , A. Schmeink

We investigate the sensitivity of the transient performance of power systems controlled by Distributed Power-Imbalance Allocation Control (DPIAC) on the parameters of the control law. We model the disturbances at power loads as Gaussian…

Optimization and Control · Mathematics 2021-03-09 Kaihua Xi , Hai Xiang Lin , Jan H. van Schuppen

This paper studies optimum power control and sum-rate scaling laws for the distributed cognitive uplink. It is first shown that the optimum distributed power control policy is in the form of a threshold based water-filling power control.…

Information Theory · Computer Science 2013-04-09 Ehsan Nekouei , Hazer Inaltekin , Subhrakanti Dey