• Cyclostationary Feature Detection Based Blind Approach for Spectrum Sensing and Classification 

  George, Gemi Rachel; Prema, Samuel Chris (Společnost pro radioelektronické inženýrství, 2019-04)

  A Spectrum Sensing (SS) device, regardless of its location, should be able to detect the presence of signal over noise. In certain applications, SS should be able to correctly identify and classify the received signal. ...

• Harvested Energy and Spectral Efficiency Trade-offs in Multicell MIMO Wireless Networks 

  Tien Ngoc Ha; Ha Hoang Kha (Společnost pro radioelektronické inženýrství, 2019-04)

  The paper focuses on designing precoding matrices in multi-cell multiple-input multiple-output (MIMO) simultaneous wireless information and power transfer networks (SWIPT) where the sets of users are selected for data ...

• Research on Passive Troposcatter Location System 

  Liu, Zan; Chen, Xihong; Liu, Qiang (Společnost pro radioelektronické inženýrství, 2019-04)

  Electromagnetic (EM) wave of enemy radar propagated by troposcatter can be utilized for beyond line-of-sight (b-LoS) location. To provide theoretical basis for passive troposcatter location system, channel characteristics ...

• 3D Beamforming for Improving the Security of UAV-Enabled Mobile Relaying System 

  Yuan, Quan-sheng; Hu, Yong-jiang; Wang, Chang-long; Ma, Xiao-lin (Společnost pro radioelektronické inženýrství, 2019-04)

  In this paper, we consider an unmanned aerial vehicle (UAV)-enabled mobile relaying system consists of a ground control station (GCS), a high-mobility UAV for relaying, a destination, and an eavesdropper. To improve the ...

• System Level Design of RF Receivers Based on Non Linear Optimization and Power Consumption Models 

  Lolis, Luis H. A.; Stroski, Pedro N.; Lima, Eduardo G. (Společnost pro radioelektronické inženýrství, 2019-04)

  This work presents a method to optimally distribute the block specifications in an RF receiver in order to reduce power consumption. The parameters are Gain (G), Noise Figure (NF) and Input Third Order Intercept Point ...

• Design and Implementation of Synchronization-free TDOA Localization System Based on UWB 

  Wang, Wei; Huang, Junjie; Cai, Shaobin; Yang, Junjie (Společnost pro radioelektronické inženýrství, 2019-04)

  At present, indoor localization system based on ultra wideband(UWB) has attracted more and more attention. In UWB system, Time Difference of Arrival (TDOA) and Two-Way Ranging (TWR) are widely used. However, TDOA requires ...

• Antenna Selection and Power Allocation in Massive MIMO 

  Selvam, Paranche Damodaran; Vishvaksenan, Kuttathati Srinivasan (Společnost pro radioelektronické inženýrství, 2019-04)

  This paper explores the massive multiple-input multiple-output (Ma-MIMO) communication system possessing large number of antennas at the basestation (BS) serving multiple user terminal (UT) in single cell configuration. ...

• DOA Estimation of LFM Signal Based on Single-Source Time-Frequency Points Selection Algorithm by Using the Hough Transform 

  Zhang, Weike; Cui, Kaibo; Wu, Weiwei; Xie, Tao; Yuan, Naichang (Společnost pro radioelektronické inženýrství, 2019-04)

  Direction of arrival (DOA) estimation performance may degrade substantially when linear frequency modulation (LFM) signals are spectrally-overlapped in time-frequency (TF) domain. In order to solve this problem, the ...

• Robust Measurement Matrix Design Based on Compressed Sensing for DOA Estimation 

  Huang, Zhikai; Wang, Wei (Společnost pro radioelektronické inženýrství, 2019-04)

  It has been well known that Massive multiple-input-multiple-output (MIMO) radar can provide an excellent performance in direction of arrival (DOA) estimation. However, the significant increasing data size will seriously ...

• Sparse Channel Estimation for Large-Scale MISO-OFDM System - a Bayesian VMP Approach 

  Li, Feng; Li, Hailin; Li, Shuyuan (Společnost pro radioelektronické inženýrství, 2019-04)

  The problem of channel estimation, in large-scale multiple input single output orthogonal frequency division multiplexing (MISO-OFDM) systems, is studied in this paper. In order to take full advantage of the sparse property, ...

• Ergodic Capacity of D2D Underlay Communication using MC-CDMA 

  Ahmed, Junaid; Wyne, Shurjeel (Společnost pro radioelektronické inženýrství, 2019-04)

  Device to device (D2D) communication that underlay conventional cellular networks can increase their spectrum utilization. However, since D2D users share the frequency band with cellular users, interference between these ...

• Direction-of-Arrival Estimation for Arbitrary Array: Combining Spatial Annihilating and Manifold Separation 

  Pan, Yujian; Zhang, Jingke; Qi, Zongfeng (Společnost pro radioelektronické inženýrství, 2019-04)

  In this paper, we address the problem of direction-of-arrival (DOA) estimation with the arbitrary array. The manifold separation technique (MST) is employed to transform the arbitrary array into a virtual array with ...

• Analysis of Access Delay and Delay Jitter for the CSMA/CA Mechanism with Inactive Period 

  Chi, Xuefen; Zhang, Minghuan; Zhao, Linlin; Qian, Lei (Společnost pro radioelektronické inženýrství, 2019-04)

  Owing to the distributed features and flexibility, carrier sense multiple access with collision avoidance (CSMA/CA) mechanisms have been widely adopted in wireless networks. Considering energy consumption, we devote to ...

• Objective Models for Performance Comparison of Compression Algorithms for 3DTV 

  Kufa, Jan; Kaller, Ondrej; Zach, Ondrej; Polak, Ladislav; Kratochvil, Tomas (Společnost pro radioelektronické inženýrství, 2019-04)

  Efficient video compression algorithms in advanced multimedia broadcasting systems are in high demand. In the last decades, different video compression tools have been developed which can influence the final Quality of ...

• Integrated M-Sequence Based Transceiver for UWB Sensor Networks 

  Galajda, Pavol; Slovak, Stanislav; Sokol, Miroslav; Pecovsky, Martin; Kmec, Martin (Společnost pro radioelektronické inženýrství, 2019-04)

  This paper deals with the realization, measurements and testing of an integrated UWB radar head operating in the continuously transmitted stimulation signal mode. The term UWB is derived from the exploited system bandwidth. ...

• Optimized Time Splitting to Maximize the Lower Bound of Rate with Channel Estimation in An Interference Alignment Based Network 

  Yao, Rugui; Yao, Lukun; Xu, Juan; Zuo, Xiaoya; Liu, Hailong (Společnost pro radioelektronické inženýrství, 2019-04)

  In this paper, for an interference alignment (IA) based network, a time splitting scheme for transmitting training and data symbols is optimized. The time allocated for transmitting training symbol will affect the precision ...

• Classification and Localization of Mixed Sources Using Uniform Circular Array under Unknown Mutual Coupling 

  Wang, Kai; Wang, Ling; Xie, Jian; Tao, Mingliang (Společnost pro radioelektronické inženýrství, 2019-04)

  In this paper, the authors propose an effective classification and localization algorithm of mixed far-field and near-field sources using a uniform circular array under the unknown mutual coupling. In practice, the assumption ...

• An Improved Measurement-Oriented Marginal Multi-Bernoulli/Poisson Filter 

  Su, Zhen-zhen; Ji, Hong-bing; Zhang, Yong-quan (Společnost pro radioelektronické inženýrství, 2019-04)

  The measurement-oriented marginal multi-Ber-noulli/Poisson (MOMB/P) filter is an attractive approach for multi-target tracking. However, the effect of measure¬ment on predicted target states may be weakened when the ...

• Enhancement DPT Method in Terms of Estimation Chirp Rate and Central Frequency Parameters of the LFM Signal 

  Rabiee, Nooshin; Azad, Hamid; Parhizgar, Naser (Společnost pro radioelektronické inženýrství, 2019-04)

  The discrete polynomial-phase transform (DPT) method estimate chirp rate and central frequency of LFM signal based on sequential estimation of polynomial phase parameters. This method uses Nonlinear Least Squares (NLS) ...

• Scalable Image Self-Embedding Based on Dual-Rate SPIHT-LDPC Reference Generation Scheme 

  Daneshmandpour, Navid; Danyali, Habibollah; Helfroush, Mohammad Sadegh (Společnost pro radioelektronické inženýrství, 2019-04)

  Image Self-Embedding is a method of embedding two sets of data into the original image, authentication data for tamper detection and reference data for image recovery. In this paper, a scalable self-embedding method is ...

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