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We consider the power allocation of the physical layer and the buffer delay of the upper application layer in energy harvesting green networks. The total power required for reliable transmission includes the transmission power and the…

Information Theory · Computer Science 2013-12-02 Tian Zhang , Wei Chen , Zhu Han , Zhigang Cao

This paper investigates the capacity problem for some multiple-access scenarios with cooperative transmitters. First, a general Multiple-Access Channel (MAC) with common information, i.e., a scenario where p transmitters send private…

Information Theory · Computer Science 2013-02-17 Ali Haghi , Reza K. Farsani , Mohammad Reza Aref , Farokh Marvasti

In this paper, we consider a cognitive radio network in which energy constrained secondary users (SUs) can harvest energy from the randomly deployed power beacons (PBs). A new frame structure is proposed for the considered network. A…

Information Theory · Computer Science 2016-01-26 Zhijin Qin , Yuanwei Liu , Yue Gao , Maged Elkashlan , Arumugam Nallanathan

Wireless short-packet communications pose challenges to the security and reliability of the transmission. Besides, the proactive warder compounds these challenges, who detects and interferes with the potential transmission. An extra jamming…

Information Theory · Computer Science 2023-08-07 Manlin Wang , Yao Yao , Bin Xia , Zhiyong Chen , Jiangzhou Wang

Stability with respect to a given scheduling policy has become an important issue for wireless communication systems, but it is hard to prove in particular scenarios. In this paper two simple conditions for stability in broadcast channels…

Networking and Internet Architecture · Computer Science 2009-04-16 Chan Zhou , Gerhard Wunder

This paper studies robust transmission schemes for multiple-input single-output (MISO) wiretap channels. Both the cases of direct transmission and cooperative jamming with a helper are investigated with imperfect channel state information…

Information Theory · Computer Science 2015-05-27 Jing Huang , A. Lee Swindlehurst

In this paper, we investigate the problem of secure broadcasting over block-fading channels with limited channel knowledge at the transmitter. More particularly, we analyze the effect of having imperfect channel state information (CSI) via…

Information Theory · Computer Science 2016-03-24 Amal Hyadi , Zouheir Rezki , Mohamed-Slim Alouini

In this paper, throughput achieved in cognitive radio channels with finite blocklength codes under buffer limitations is studied. Cognitive users first determine the activity of the primary users' through channel sensing and then initiate…

Information Theory · Computer Science 2013-08-26 Gozde Ozcan , M. Cenk Gursoy

This paper investigates the outage probability and the throughput of relay networks with wireless information and energy transfer where the relays harvest energy from the transmitted radio-frequency signal of the source. Considering…

Information Theory · Computer Science 2016-07-26 Mahdi Haghifam , Behrooz Makki , Masoumeh Nasiri-Kenari , Tommy Svensson

We analytically study a carrier sense multiple access (CSMA)-based network. In the network, the nodes have their own average throughput demands for transmission to a common base station. The CSMA is based on the request-to-send…

Computer Science and Game Theory · Computer Science 2015-03-13 Fu-Te Hsu , Hsuan-Jung Su

Next-generation communication networks will likely involve the energy-efficient transfer of information and energy over the same wireless channel, for which the physical layer will become more vulnerable to cyber attacks by potential…

Information Theory · Computer Science 2017-07-12 Ali A. Nasir , Hoang D. Tuan , Trung Q. Duong , H. Vincent Poor

In this work, we adopt channel inversion power control (CIPC) to achieve covert communications aided by a full-duplex receiver. Specifically, the transmitter varies the power and phase of transmitted signals as per the channel to the…

Information Theory · Computer Science 2018-12-21 Jinsong Hu , Shihao Yan , Xiangyun Zhou , Feng Shu , Jun Li

A wireless network in which packets are broadcast to a group of receivers through use of a random access protocol is considered in this work. The relation to previous work on networks of interacting queues is discussed and subsequently, the…

Information Theory · Computer Science 2007-11-05 Brooke Shrader , Anthony Ephremides

This paper considers downlink multicast transmit beamforming for secure layered transmission systems with wireless simultaneous information and power transfer. We study the power allocation algorithm design for minimizing the total transmit…

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

This paper considers secure communication in a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. We study the design of resource allocation algorithms minimizing the…

Information Theory · Computer Science 2013-06-05 Derrick Wing Kwan Ng , Robert Schober

In this work, we propose a covert communication scheme where the transmitter attempts to hide its transmission to a full-duplex receiver, from a warden that is to detect this covert transmission using a radiometer. Specifically, we first…

Information Theory · Computer Science 2017-11-13 Jinsong Hu , Khurram Shahzad , Shihao Yan , Xiangyun Zhou , Feng Shu , Jun Li

In wireless communication-based formation control systems, the control performance is significantly impacted by the channel capacity of each communication link between agents. This relationship, however, remains under-investigated in the…

Multiagent Systems · Computer Science 2025-01-07 Yaru Chen , Yirui Cong , Xiangyun Zhou , Long Cheng , Xiangke Wang

In this paper, we investigate the design of robust and secure transmission in intelligent reflecting surface (IRS) aided wireless communication systems. In particular, a multi-antenna access point (AP) communicates with a single-antenna…

Signal Processing · Electrical Eng. & Systems 2020-12-04 Sheng Hong , Cunhua Pan , Hong Ren , Kezhi Wang , Kok Keong Chai , Arumugam Nallanathan

Characterizing the fundamental tradeoffs for maximizing energy efficiency (EE) versus spectrum efficiency (SE) is a key problem in wireless communication. In this paper, we address this problem for a point-to-point additive white Gaussian…

Information Theory · Computer Science 2013-02-06 Jie Xu , Rui Zhang

We present a controller and transmission policy design procedure for nonlinear wireless networked control systems. Our objective is to ensure the stability of the closed-loop system, in a stochastic sense, together with given control…

Systems and Control · Electrical Eng. & Systems 2022-07-06 Vineeth S. Varma , Romain Postoyan , Daniel E. Quevedo , Irinel-Constantin Morarescu
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