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Recently, energy harvesting (EH) has emerged as a promising way to realize green communications. In this paper, we investigate the multiuser transmission network with an EH cooperative relay, where a source transmits independent information…

Information Theory · Computer Science 2014-12-31 Guanyao Du , Ke Xiong , Zhengding Qiu

The various wireless networks have made the ambient radio frequency signals around the world. Wireless information and power transfer enables the devices to recycle energy from these ambient radio frequency signals and process information…

Information Theory · Computer Science 2013-07-30 Zhiyong Chen , Biao Wang , Bin Xia , Hui Liu

This paper derives the outage probability and transmission capacity of ad hoc wireless networks with nodes employing multiple antenna diversity techniques, for a general class of signal distributions. This analysis allows system performance…

Information Theory · Computer Science 2016-11-15 Andrew M. Hunter , Jeffrey G. Andrews , Steven Weber

We investigate the binary-symmetric parallel-relay network where there is one source, one destination, and multiple relays in parallel. We show that forwarding relays, where the relays merely transmit their received signals, achieve the…

Information Theory · Computer Science 2014-03-11 Lawrence Ong , Sarah J. Johnson , Christopher M. Kellett

We study in this paper a two-hop relaying network consisting of one source, one destination, and three amplify-and-forward (AF) relays operating in a half-duplex mode. In order to compensate for the inherent loss of capacity pre-log factor…

Information Theory · Computer Science 2012-07-17 Ki-Hong Park , Mohamed-Slim Alouini

In scenarios where devices are too small to support MIMO antenna arrays, symbol-level cooperation may be used to pool the resources of distributed single-antenna devices to create a virtual MIMO antenna array. We address design fundamentals…

Information Theory · Computer Science 2011-09-23 Christopher Hunter , Ashutosh Sabharwal

This paper studies the application of compute-and-forward to multiple access relay channels (MARC). Despite its promising advantage of improving network throughput, it is not straightforward to apply compute-and-forward to the MARC. This…

Information Theory · Computer Science 2020-08-11 Mohammad Nur Hasan , Brian M. Kurkoski

In this paper, relay selection is considered to enhance security of a cooperative system with multiple threshold-selection decode-and-forward (DF) relays. Threshold-selection DF relays are the relays in which a predefined signal-to-noise…

Signal Processing · Electrical Eng. & Systems 2018-03-05 C. Kundu , T. M. N. Ngatched , O. A. Dobre

Multi-connectivity (MC) with packet duplication, where the same data packet is duplicated and transmitted from multiple transmitters, is proposed in 5G New Radio as a reliability enhancement feature. However, it is found to be resource…

Networking and Internet Architecture · Computer Science 2019-11-25 Nurul Huda Mahmood , Hirley Alves

Non-orthogonal multiple access (NOMA) and the cooperative relaying systems are two of the promising techniques to meet requirements of future wireless networks such as high spectral efficiency and wide coverage area. On the other hand, the…

Information Theory · Computer Science 2020-09-30 Ferdi Kara

The diversity multiplexing tradeoff of a general two-hop asynchronous cooperative network is examined for various relaying protocols such as non-orthogonal selection decode-and-forward (NSDF), orthogonal selection decode-and-forward (OSDF),…

Information Theory · Computer Science 2011-02-21 Mehdi Torbatian , Mohamed Oussama Damen

In this work, we investigate the diversity-multiplexing tradeoff (DMT) of the multiple-antenna (MIMO) static half-duplex relay channel. A general expression is derived for the DMT upper bound, which can be achieved by a compress-and-forward…

Information Theory · Computer Science 2009-11-09 Olivier Leveque , Christophe Vignat , Melda Yuksel

We consider a multipair massive multiple-input multiple-output (MIMO) two-way relaying system, where multiple pairs of single-antenna devices exchange data with the help of a relay employing a large number of antennas $N$. The relay…

Information Theory · Computer Science 2017-09-12 Jiayi Zhang , Xipeng Xue , Emil Björnson , Bo Ai , Shi Jin

We consider the problem of jointly optimizing channel pairing, channel-user assignment, and power allocation, to maximize the weighted sum-rate, in a single-relay cooperative system with multiple channels and multiple users. Common relaying…

Information Theory · Computer Science 2016-11-18 Mahdi Hajiaghayi , Min Dong , Ben Liang

In this paper, we consider relay-assisted simultaneous wireless information and power transfer (SWIPT) for two-hop cooperative transmission, where a half-duplex multi-antenna relay adopts decode-and-forward (DF) relaying strategy for…

Information Theory · Computer Science 2017-06-20 Yuan Liu

Nano devices have great potential to play a vital role in future medical diagnostics and treatment technologies because of its non-invasive nature and ability to reach delicate body sites easily as compared to conventional devices. In this…

Emerging Technologies · Computer Science 2017-03-23 Qammer H. Abbasi , Ali Arshad Nasir , Ke Yang , Khalid Qaraqe , Akram Alomainy

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

In this paper, we deal with the performance analysis of full-duplex relaying in decode-&-forward cooperative networks with multiple-antenna terminals. More specifically, by analyzing the end-to-end statistics, we derive the accurate…

Information Theory · Computer Science 2017-03-10 Sung Sik Nam , Duckdong Hwang , Janghoon Yang

We consider a multi-way massive multiple-input multiple-output relay network with zero-forcing processing at the relay. By taking into account the time-division duplex protocol with channel estimation, we derive an analytical approximation…

Information Theory · Computer Science 2017-01-04 Chung Duc Ho , Hien Quoc Ngo , Michail Matthaiou , Trung Q. Duong

A contemporary perspective on the tradeoff between transmit antenna diversity and spatial multiplexing is provided. It is argued that, in the context of most modern wireless systems and for the operating points of interest, transmission…

Information Theory · Computer Science 2009-03-05 Angel Lozano , Nihar Jindal