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Page 397 of SMPTE Motion Imaging Journal Vol. 108, Issue 6 [page]

1999 SMPTE Motion Imaging Journal  
The TwinStream is an ideal “evolu- tionary” approach to digital ENG as well.  ...  lt a laa le APPROACHES TO PLANNING AND DEPLOYING MRC’S INNOVATIVE DUAL (ANALOG AND DIGITAL) CARRIER MICROWAVE SYSTEM transport of the 19.39 ATSC transport stream or placement of an ATSC encoder at the  ... 

A novel approach to route selection in car navigation systems by a multiobjective genetic algorithm

Feng Wen, Xiaohao Gao, Mitsuo Gen
2008 Proceedings of the 10th annual conference on Genetic and evolutionary computation - GECCO '08  
We also propose a new multiobjective Genetic Algorithm (moGA) named distance-based nondominated sorting Genetic Algorithm (dnsGA) to generate evolutionary results for mRSP.  ...  The experiment results showed the effectiveness and the efficiency of our approach.  ...  Genetic algorithms (GA) are have received considerable attention regarding their potential as a novel approach to multiobjective optimization problems, known as evolutionary or genetic multiobjective optimization  ... 
doi:10.1145/1389095.1389246 dblp:conf/gecco/WenGG08 fatcat:b5hsp7je7rf4picrw5fdmv2wkm

Propagation Channel Comparison between 23.5 and 45 GHz in Conference Scenario

Jianwu Dou, Nan Zhang, Li Tian, Xiaoyi Yang, Xi Yuan, Suping Mei, Haiming Wang
2016 Chinese Journal of Engineering  
The characteristics of propagation channel at 23.5 and 45 GHz in an indoor conference room are studied based on hybrid approach.  ...  Subsequently, according to the simulated channel samples, the statistical channel model for both the large and small scale characteristics is established based on the alpha-beta approach and extended Saleh-Valenzuela  ...  An Agilent signal generator E8257D was used in Tx site and an Agilent VNA N5245A in frequency-sweep mode was adopted to collect the channel frequency response in Rx site.  ... 
doi:10.1155/2016/7124267 fatcat:tox76fuudfagvobdgxrlqdktcm

On the Use of Evolutionary Programming for Combinational Logic Circuits Design [chapter]

Marco A. Contreras-Cruz, Victor Ayala-Ramirez, Paola B. Alvarado-Velazco
2014 Lecture Notes in Computer Science  
We have implemented a set of evolutionary operators to evolve combinational circuits.  ...  In this paper, we propose a new methodology to solve the combinational logic circuit design problem by using evolutionary programming.  ...  Contreras-Cruz would like to acknowledge CONACYT for the financial support through the educational scholarship number 568675/302121.  ... 
doi:10.1007/978-3-319-12568-8_24 fatcat:xwk57hxwmbdt5hbprrn3vc5gdi

Considerations for a new generation of mobile multimedia communication systems

A. Krikelis
2000 IEEE Concurrency  
Evolutionary enhancements of existing mobile multimedia systems cannot guarantee the development of the innovative approaches required in future systems.  ...  It operates in the 2.4-GHz band, uses digital frequency-hopping spread-spectrum radio, and can support up to 127 devices per network.  ... 
doi:10.1109/4434.846197 fatcat:v5sgb4fozfh5pduardn4tg43gi

Studying black holes on horizon scales with space-VLBI [article]

Kari Haworth, Michael D. Johnson, Dominic W. Pesce, Daniel C. M. Palumbo, Lindy Blackburn, Kazunori Akiyama, Don Boroson, Katherine L. Bouman, Joseph R. Farah, Vincent L. Fish, Mareki Honma, Tomohisa Kawashima, Motoki Kino (+13 others)
2019 arXiv   pre-print
Expanding the array to include a 3-meter space telescope operating at >200 GHz enables mass measurements of many black holes, movies of black hole accretion flows, and new tests of general relativity that  ...  Digital Processing System The digital processing system (DPS) is required to convert two 8 GHz analog intermediate frequency (IF) signals into digital packets for downlink.  ...  Current ground systems run at 8 Gbps to process two 2-GHz bands [37] .  ... 
arXiv:1909.01405v1 fatcat:2indug774vag5hb4xt2ndlmz6a

Evolutionary Algorithm Based Capacity Maximization of 5G/B5G Hybrid Pre-Coding Systems

Salman Khalid, Waqas Bin Abbas, Hyung Seok Kim, Muhammad Tabish Niaz
2020 Sensors  
In order to improve the spectral efficiency of a partially connected hybrid pre-coding architecture, which is one of the requirements of future 5G/B5G systems, this work proposes the application of evolutionary  ...  The evolutionary algorithm based scheme jointly evaluates the RF and digital pre-coder for a partially connected hybrid structure by taking into account the current RF chain for computations and therefore  ...  Simulations and Results Simulations are performed for a partially connected hybrid structure, where each RF chain is connected to L antennas. The system carrier frequency is assumed to be 28 GHz.  ... 
doi:10.3390/s20185338 pmid:32957686 fatcat:4ymoacvsojb53io62paoxjir74

Fault tolerance in co-evolutionary communication of EHW modules

Yasser Baleghi Damavandi, Karim Mohammadi
2009 Computers and Mathematics with Applications  
The outcomes imply an outstanding feature of fault tolerance in this system with 100% fault coverage, which paves the way for bio-inspired approaches to fault tolerant design instead of the classic ones  ...  Evolvable Hardware (EHW) is a new concept that applies evolutionary algorithms to hardware design.  ...  Fig. 1 . 1 System diagram of an EHW-based, co-evolutionary serial-adder. Fig. 2 . 2 The interface signals between the agents.  ... 
doi:10.1016/j.camwa.2008.10.023 fatcat:2neyqds2ffdyddkarwvq2ue4pe

Evolutionary trends in Transmit/Receive Module for Active Phased Array Radars

Somsing Rathod, Kilari Sreenivasulu, KS Beenamole, KP Ray
2018 Defence Science Journal  
A typical Active Phased Array Radar comprises of an Active Antenna Array Unit (AAAU) consisting of a large number of radiating elements, Transmit/Receive (T/R) Modules with other associated RF and digital  ...  Industry has realised an ultra-wideband T/R Module operating from 10 GHz to 35 GHz for phased array applications 20 . These can be used in novel applications like the Shared Aperture for Radars.  ...  CONCLUSIONS We have presented an overview of the evolutionary trends in transmit/receive modules for active phased array radars.  ... 
doi:10.14429/dsj.68.12628 fatcat:uq4ngtppnzgtroqywnwmvjdwwi

GaAs gives Apache performance boost

1996 III-Vs review  
This is an autonomous fire.and-forget missile which has a seeker which uses the same Ka-band TRW power amplifier modules as the FCR.  ...  Harris All-silicon WLAN Chipset Harris Semiconductor has begun to "remove the technical barriers to 2.4 GHz, DSSS wireless [AN growth with a 4-chip chipset"an all-silicon solution in volume production  ...  The performance of the Co.As-based mmwave system is such that the AH-64 D-version has been described not as an evolutionary but as a "revolutionary" step by the US Army.  ... 
doi:10.1016/s0961-1290(96)80162-1 fatcat:6fehx67atzacjfupjplqnxfjwq


Andriy Luntovskyy, Mykhailo Klymash
2017 Information and Telecommunication Sciences  
An important new approach for resource allocation for future WLAN towards 5G has to be discussed within the work. Objective.  ...  Efficient WLANs as well as DIDO must become a part of 5G systems.  ...  Acknowledgment All my graceful heart's acknowledgements to Dr.  ... 
doi:10.20535/2411-2976.12017.11-16 fatcat:k5rmwns2fndsxe7oxpd4a7xq4q

A comprehensive Review on Evolutionary Optimization Techniques applied for Unit Commitment Problem

Narayanasamy Muralikrishnan, Luke Jebaraj, Charles Christober Asir Rajan
2020 IEEE Access  
Two effectual techniques are initiated in this approach compared to an ordinary quantum evolutionary algorithm.  ...  GHz Processor with 1.0 GB of RAM 100-unit system, an IEEE 118-bus system and a 38-bus Taiwan practical system [199] √ √ √ - √ √ √ - - - - - - - - MATLAB NG 10-unit system [200] √ √ √ √ √ - - - - - - -  ... 
doi:10.1109/access.2020.3010275 fatcat:5zufg4upj5g5lhxbvipfppggnu

Adaptive Beamforming With Software-Defined-Radio Arrays

Daniel Christopher Gaydos, Payam Nayeri, Randy L. Haupt
2022 IEEE Access  
We propose a relatively inexpensive new approach to digital beamforming using software defined radios. Using this system, we carried out experiments on adaptive interference cancellation.  ...  Digital beamforming is the holy grail of antenna array technologies, however implementing digital beamforming into practical antenna arrays has been slow due to hardware complexity and cost.  ...  They also wish to thank the reviewers whose thoughtful comments greatly helped to improve the quality and efficacy of this manuscript.  ... 
doi:10.1109/access.2022.3144959 fatcat:57lzgo7dxfcxhpzn55r5zw32j4

Evolution of Two-Dimensional Electromagnetic Devices Using a Novel Genome Structure

Mark Dorica, Dennis D. Giannacopoulos
2007 IEEE transactions on magnetics  
The majority of evolutionary algorithm applications in electromagnetic design have focused on optimization of device dimensions. This approach preconceives the final device shape.  ...  They are then used to evolve a patch antenna for dual-frequency operation. The final design that emerges has a fitness roughly triple that of the standard approach.  ...  PERFORMANCE OF NEW GENOME The proposed system is intended to allow the discovery of an efficient problem specific genotype-device mapping while not excluding any potential solutions.  ... 
doi:10.1109/tmag.2006.892106 fatcat:fhqlqss575a4dfrjr6oflx4lqe

Fast physical random bit generation based on a broadband chaotic entropy source originated from a filtered feedback WRC-FPLD

Tang Xi, Guang-Qiong Xia, Can Ran, Tao Deng, Xiao-Dong Lin, Li Fan, Ziye Gao, Gong-Ru Lin, Zheng-Mao Wu
2019 IEEE Photonics Journal  
Second, a broadband chaotic signal with a bandwidth beyond 20 GHz output from the WRC-FPLD is sampled and transferred to a digital bit sequence by an 8-bit analog-to-digital converter at a rate of 40 GS  ...  First, we investigate the dependence of the dynamical properties of the filtered feedback WRC-FPLD on the system parameters, and determine the optimized parameter region for generating wavelength-tunable  ...  Random Bit Generation Via an 8-bit analog-to-digital converter (ADC) in a 16 GHz bandwidth digital storage oscilloscope (DSO), the above chaotic entropy source with 23.9 GHz bandwidth is sampled, and the  ... 
doi:10.1109/jphot.2019.2903535 fatcat:4ulsowo6yzhqhcxseb2l2w4gou
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