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相关论文: Near-optimal Detector for SWIPT-enabled Differenti…

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This paper focuses on the secure transmission of wireless-powered relay systems with imperfect eavesdropper channel state information (ECSI). For efficient energy transfer and information relaying, a novel two-phase protocol is proposed, in…

信息论 · 计算机科学 2018-04-25 Jingping Qiao , Haixia Zhang , Feng Zhao , Dongfeng Yuan

Simultaneous wireless information and power transfer (SWIPT) technique is a popular strategy to convey both information and RF energy for harvesting at receivers. In this regard, we consider a two-way relay system with multiple users and a…

信息论 · 计算机科学 2021-06-08 Navneet Garg , Junkai Zhang , Tharmalingam Ratnarajah

This paper proposes a belief propagation (BP) message passing algorithm based joint multiple symbol differential detection (MSDD) and channel decoding scheme for noncoherent differential ultra-wideband impulse radio (UWB-IR) systems. MSDD…

信息论 · 计算机科学 2015-05-27 Taotao Wang , Tiejun Lv , Hui Gao , Shengli Zhang

To detect M-ary pulse amplitude modulation signals reliably in an FSO communication system, the receiver requires accurate knowledge about the instantaneous channel attenuation on the signal. We derive here an optimum, symbol-by-symbol…

信息论 · 计算机科学 2015-05-12 Tianyu Song , Pooi-Yuen Kam

Performance of cooperative diversity schemes at Low Signal to Noise Ratios (LSNR) was recently studied by Avestimehr et. al. [1] who emphasized the importance of diversity gain over multiplexing gain at low SNRs. It has also been pointed…

信息论 · 计算机科学 2007-07-13 Ketan Rajawat , Adrish Banerjee

In this work, an adaptive and robust null-space projection (AR-NSP) scheme is proposed for secure transmission with artificial noise (AN)-aided directional modulation (DM) in wireless networks. The proposed scheme is carried out in three…

信息论 · 计算机科学 2018-01-26 Feng Shu , Siming Wan , Shihao Yan , Qian Wang , Yongpeng Wu , Riqing Chen , Jun Li , Jinhui Lu

This paper considers an intelligent reflecting sur-face (IRS)-aided simultaneous wireless information and power transfer (SWIPT) network, where multiple users decode data and harvest energy from the transmitted signal of a transmit-ter. The…

信息论 · 计算机科学 2021-03-24 Shayan Zargari , Ata Khalili , Qingqing Wu , Mohammad Robat Mili , Derrick Wing Kwan Ng

Practical data detectors for future wireless systems with hundreds of antennas at the base station must achieve high throughput and low error rate at low complexity. Since the complexity of maximum-likelihood (ML) data detection is…

信息论 · 计算机科学 2016-12-01 Oscar Castañeda , Tom Goldstein , Christoph Studer

This paper considers cooperative spectrum sensing algorithms for Cognitive Radios which focus on reducing the number of samples to make a reliable detection. We develop an energy efficient detector with low detection delay using…

信息论 · 计算机科学 2013-08-29 Jithin K. Sreedharan , Vinod Sharma

In this research paper approximate mean of signal-to-interference-plus-noise ratio (SINR) under imperfect channel state information (CSI) is computed and maximized for throughput enhancement of MIMO interference networks. Each transmitter…

信息论 · 计算机科学 2018-08-03 Ali Dalir , Hassan Aghaeinia

In this paper, we investigate the performance of a three-node dual-hop cognitive radio network (CRN) with a half-duplex (HD) decode-and-forward (DF) buffer-aided relay. We derive expressions for the average rate and symbol error rate (SER)…

信息论 · 计算机科学 2016-09-06 Bhupendra Kumar , Shankar Prakriya

Harvesting energy from the radio-frequency (RF) signal is an exciting solution to replenish energy in energy-constrained wireless networks. In this paper, an amplify-and-forward (AF) based wireless relay network is considered, where the…

信息论 · 计算机科学 2014-08-12 Jing Yan , Chao Zhang , Zhenzhen Gao

Simultaneous wireless information and power transfer (SWIPT) provides a promising solution for enabling perpetual wireless networks. As energy efficiency (EE) is an im- portant evaluation of system performance, this thesis studies…

信息论 · 计算机科学 2015-04-10 Shiyang Leng

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…

信息论 · 计算机科学 2017-08-02 Yanqing Xu , Chao Shen , Zhiguo Ding , Xiaofang Sun , Shi Yan , Gang Zhu , Zhangdui Zhong

There are still two problems in SDD causing some inaccurate results: (1) In the process of feature extraction, with the layer-by-layer acquisition of semantic information, local information is gradually lost, resulting into less…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Aisha Chandio , Gong Gui , Teerath Kumar , Irfan Ullah , Ramin Ranjbarzadeh , Arunabha M Roy , Akhtar Hussain , Yao Shen

Spectrally efficient communication is studied for short-reach fiber-optic links with chromatic dispersion (CD) and receivers that employ direction-detection and oversampling. Achievable rates and symbol error probabilities are computed by…

In this paper, we propose an analog network coding scheme with differential modulation (ANC-DM) using amplify-and-forward protocol for bidirectional relay networks when neither the source nodes nor the relay knows the channel state…

信息论 · 计算机科学 2011-12-01 Lingyang Song , Yonghui Li , Anpeng Huang , Bingli Jiao , Athanasios V. Vasilakos

In this work, we study the performance of a single relay Multiple Input Multiple Output (MIMO) cooperative communication system based on Decode and Forward (DF) relaying protocol for two strategies using transmit antenna selection at the…

信号处理 · 电气工程与系统科学 2017-11-13 Mokhtar Bouteggui , Fatiha Merazka

We consider a multi-object detection problem over a sensor network (SNET) with limited range multi-modal sensors. Limited range sensing environment arises in a sensing field prone to signal attenuation and path losses. The general problem…

信息论 · 计算机科学 2008-09-12 E. Ermis , V. Saligrama

In this paper, we consider the downlink of a massive multiple-input-multiple-output (MIMO) single user transmission system operating in the millimeter wave outdoor narrowband channel environment. We propose a novel receive spatial…

信息论 · 计算机科学 2018-03-23 Ahmed Raafat , Adrian Agustin , Josep Vidal