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Multiple-threshold rank-detection for reduced-rank MIMO channels 低秩MIMO信道的多阈值秩检测
2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM) Pub Date : 2015-11-30 DOI: 10.1109/PACRIM.2015.7334821
Qian Wang, Y. Jing
{"title":"Multiple-threshold rank-detection for reduced-rank MIMO channels","authors":"Qian Wang, Y. Jing","doi":"10.1109/PACRIM.2015.7334821","DOIUrl":"https://doi.org/10.1109/PACRIM.2015.7334821","url":null,"abstract":"In practical multi-input-multi-output (MIMO) systems, the channel matrices often have reduced rank especially for propagation environments with limited scattering. For this scenario, reliable detection of the channel rank is essential in achieving the high performance provided by the MIMO configuration. In traditional rank detection schemes, a single threshold is used and the channel rank is detected as the number of singular values of the observation matrix that are larger than the threshold. In this work, we propose a multiple-threshold-based rank detection scheme, where each threshold corresponds to one possible rank value. The thresholds are optimized based on the derived lower bounds on the rank detection probability for different channel rank values. Simulation results show that the proposed detection scheme outperforms existing schemes in the probability of correct rank detection.","PeriodicalId":350052,"journal":{"name":"2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"351 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124448351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review of Elliptic Curve Processor architectures 椭圆曲线处理器架构综述
2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM) Pub Date : 2015-11-30 DOI: 10.1109/PACRIM.2015.7334833
Ibrahim H. Hazmi, Fan Zhou, F. Gebali, T. Al-Somani
{"title":"Review of Elliptic Curve Processor architectures","authors":"Ibrahim H. Hazmi, Fan Zhou, F. Gebali, T. Al-Somani","doi":"10.1109/PACRIM.2015.7334833","DOIUrl":"https://doi.org/10.1109/PACRIM.2015.7334833","url":null,"abstract":"Several Elliptic Curve Processors (ECP) have been proposed in the literature associated with various architectures using different and sometimes confusing terminologies. This paper is a short review study of ECP architectures, considering the hardware platforms used for their implementations. The main design parameters of the ECP architectures, including the field choice and scalar multiplication algorithms were identified. Based on these parameters, a statistical study is conducted on a large collection of the published work. From the analysis of the collected data, several conclusions were deduced, such as the notion that binary field is easier to be implemented in hardware than prime field as well as the polynomial basis is dominant over other bases representation. Another significant conclusion is that Montgomery scalar multiplier has been used more than Lopez-Dahab, Binary, and NAF methods, particularly with the dominance of Lopez-dahab Projective coordinate.","PeriodicalId":350052,"journal":{"name":"2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132119543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
SystemVerilog assertion debugging: A visualization and pattern matching model SystemVerilog断言调试:一个可视化和模式匹配模型
2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM) Pub Date : 2015-11-30 DOI: 10.1109/PACRIM.2015.7334867
M. Mostafa, M. Safar, M. El-Kharashi, M. Dessouky
{"title":"SystemVerilog assertion debugging: A visualization and pattern matching model","authors":"M. Mostafa, M. Safar, M. El-Kharashi, M. Dessouky","doi":"10.1109/PACRIM.2015.7334867","DOIUrl":"https://doi.org/10.1109/PACRIM.2015.7334867","url":null,"abstract":"Debugging a complex design is not an easy process. The more complex the design is, the more mistakes can be made, while writing an assertion. Regular expressions are widely used for text searching and replacement. Both regular expressions and three-state visual representation can be used simultaneously to validate and debug assertions. This paper presents a new methodology for debugging concurrent assertions based on a three-state visual representation and a new proposed pattern matching model. The proposed pattern matching model uses a new approach to validate assertions. The new approach performs parallel sequence items checking instead of serial checking of each sequence along time. The proposed new methodology assumes that error is just in the assertion and no errors are in the testbench or in the design. Experimental results show how much this methodology is effective that errors are analyzed and fixed within two minutes.","PeriodicalId":350052,"journal":{"name":"2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123537091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A potential game framework for charging PHEVs in smart grid 智能电网插电式混合动力汽车充电的潜在博弈框架
2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM) Pub Date : 2015-11-30 DOI: 10.1109/PACRIM.2015.7334804
S. Bahrami, V. Wong
{"title":"A potential game framework for charging PHEVs in smart grid","authors":"S. Bahrami, V. Wong","doi":"10.1109/PACRIM.2015.7334804","DOIUrl":"https://doi.org/10.1109/PACRIM.2015.7334804","url":null,"abstract":"Due to the proliferation of plug-in hybrid electric vehicles (PHEVs), the peak load in the power grid is expected to increase in future. The peak load can be reduced by implementing appropriate load scheduling schemes using advanced metering infrastructure (AMI) and smart chargers. In this paper, we formulate the charging problem of PHEVs as a potential game to jointly optimize the cost of the utility company and payoff of the customers. The potential game approach enables us to study the existence and uniqueness of the pure strategy Nash equilibrium and to design a polynomial time distributed algorithm to achieve that equilibrium. It also enables us to define a Lyapunov function to show that the Nash equilibrium is globally asymptotically stable, i.e., the proposed distributed algorithm converges to the Nash equilibrium from any arbitrary initial conditions. To evaluate the efficiency of our proposed algorithm, we compare its running time with an algorithm based on the customers' best response.","PeriodicalId":350052,"journal":{"name":"2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115803123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
Improved language support for Verilog elaboration in Odin II and FPGA architecture benchmarking in the VTR CAD tool 改进了Odin II中对Verilog细化的语言支持，以及VTR CAD工具中的FPGA架构基准测试
2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM) Pub Date : 2015-11-30 DOI: 10.1109/PACRIM.2015.7334853
Bipin Kumar Badri Narayanan, Lucas F. S. Cambuim, K. Nasartschuk, K. Kent, P. Plöger
{"title":"Improved language support for Verilog elaboration in Odin II and FPGA architecture benchmarking in the VTR CAD tool","authors":"Bipin Kumar Badri Narayanan, Lucas F. S. Cambuim, K. Nasartschuk, K. Kent, P. Plöger","doi":"10.1109/PACRIM.2015.7334853","DOIUrl":"https://doi.org/10.1109/PACRIM.2015.7334853","url":null,"abstract":"Field-programmable gate arrays (FPGAs) are integrated circuits that can be designed or configured after manufacturing. They are used in many disciplines to create prototypes of hardware or in applications where hardware functionality needs to be changed more frequently. Design of new FPGA architectures requires tools that allow developers to create new structures and test those structures in order to compare the results to already established solutions. Boolean circuits, implemented on the FPGAs are compiled using hardware description languages such as Verilog or VHDL. The VTR (Verilog to Routing) CAD (Computer Aided Design) tool, compiles Verilog source code that targets specific hardware resources as FPGAs and ASICs (Application Specific Integrated Circuits). The VTR CAD tool consists of three tools: Odin II, for elaboration from Verilog to a netlist, ABC, for logic synthesis, and VPR, for physical synthesis and analysis. Odin II currently supports only a sub-set of constructs in Verilog language. This paper describes improved and expanded language support for Verilog elaboration introduced in Odin II, in order to provide developers with a tool set to assist in modern FPGA research. With this enhanced language support, a subsequent evaluation of the performance characteristics of VTR flow with a set of benchmarks that are supported by VTR is performed.","PeriodicalId":350052,"journal":{"name":"2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116528983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ranging performance with 60 GHz signals in indoor residential environments 60 GHz信号在室内住宅环境下的测距性能
2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM) Pub Date : 2015-11-30 DOI: 10.1109/PACRIM.2015.7334811
Xing Liu, Hao Zhang, T. Gulliver, Lingwei Xu
{"title":"Ranging performance with 60 GHz signals in indoor residential environments","authors":"Xing Liu, Hao Zhang, T. Gulliver, Lingwei Xu","doi":"10.1109/PACRIM.2015.7334811","DOIUrl":"https://doi.org/10.1109/PACRIM.2015.7334811","url":null,"abstract":"A 60 GHz ranging model is established and a strongest path search ranging algorithm based on beamforming is proposed. The range error caused by a non-line of sight (NLOS) channel is mitigated by modeling the corresponding delay bias. Outlier detection is employed to improve the accuracy. Performance results are presented which show that 60 GHz ranging can achieve centimeter level accuracy in indoor residential environments. The proposed range estimation algorithm results in an error of less than 5 cm 99% of the time in line of sight (LOS) channels, and an error of less than 10 cm 90% of the time in NLOS channels, over a distance of 5 m. This indicates that 60 GHz ranging is a practical and effective ranging solution.","PeriodicalId":350052,"journal":{"name":"2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"82 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131336291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Achievable rate of full-duplex massive MIMO relaying with hardware impairments 具有硬件缺陷的全双工大规模MIMO中继的可实现速率
2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM) Pub Date : 2015-11-30 DOI: 10.1109/PACRIM.2015.7334814
Kui Xu, Yuanyuan Gao, Wei Xie, Xiaochen Xia, Youyun Xu
{"title":"Achievable rate of full-duplex massive MIMO relaying with hardware impairments","authors":"Kui Xu, Yuanyuan Gao, Wei Xie, Xiaochen Xia, Youyun Xu","doi":"10.1109/PACRIM.2015.7334814","DOIUrl":"https://doi.org/10.1109/PACRIM.2015.7334814","url":null,"abstract":"This paper studies the massive MIMO full-duplex relaying (FDR), where multiple source-destination pairs communicate simultaneously with the help of a common full-duplex relay equipped with very large antenna arrays. In contrast to the conventional MIMO system, massive MIMO must be built with low-cost components which are prone to hardware impairments. In this paper, the effect of hardware impairments is taken into consideration, and is modeled using transmit and receive distortion noises. The end-to-end achievable rates of the massive MIMO full-duplex relaying are analyzed. The scaling behaviors of echo interference, multi-user interference (MUI) and effective distortions caused by hardware impairments are obtained. The results show that the achievable rate of massive MIMO FDR is limited by the hardware impairments at the sources and destinations, instead of that at the relay or other interferences, as the number of relay antenna grows very large.","PeriodicalId":350052,"journal":{"name":"2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133257680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
CRT based somewhat homomorphic encryption over the integers 基于CRT的整数上的某种同态加密
2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM) Pub Date : 2015-11-30 DOI: 10.1109/PACRIM.2015.7334830
Ali Alzahrani, Samer Moein, Nicholas Houghton, F. Gebali
{"title":"CRT based somewhat homomorphic encryption over the integers","authors":"Ali Alzahrani, Samer Moein, Nicholas Houghton, F. Gebali","doi":"10.1109/PACRIM.2015.7334830","DOIUrl":"https://doi.org/10.1109/PACRIM.2015.7334830","url":null,"abstract":"Over the last decade, the demand for privacy and data confidentiality in communication and storage processes have increased exponentially. Cryptography can be the solution for this demand. However, the critical issue occurs when there is a need for computing publicly on sensitive information or delegating computation to untrusted machines. This must be done in such a way that preserves the information privacy and accessibility. For this reason, we need an encryption algorithm that allows computation on information without revealing details about them. In 1978 Rivest, Adleman and Dertouzos [1] raised a crucial question: can we use a special privacy homomorphism to encrypt the data and do an unlimited computations on it while it remains encrypted without the necessity of decrypting it? Researchers made extensive efforts to achieve such encryption algorithm. In this paper, we introduce the implementation of the CRT-based somewhat homomorphic encryption over the integers scheme. The main goal is to provide a proof of concept of this new and promising encryption algorithm.","PeriodicalId":350052,"journal":{"name":"2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133336234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Disease Inference Scheme based on Fuzzy Logic for Patient's-customized Healthcare 基于模糊逻辑的患者定制医疗疾病推理方案
2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM) Pub Date : 2015-11-30 DOI: 10.1109/PACRIM.2015.7334872
Byungkwan Lee, E. Jeong, Jeongah Kim
{"title":"A Disease Inference Scheme based on Fuzzy Logic for Patient's-customized Healthcare","authors":"Byungkwan Lee, E. Jeong, Jeongah Kim","doi":"10.1109/PACRIM.2015.7334872","DOIUrl":"https://doi.org/10.1109/PACRIM.2015.7334872","url":null,"abstract":"This paper proposes a Disease Inference Scheme based on Fuzzy Logic for Patient's-customized Healthcare. It consists of the Fuzzy-based Disease Rules Module (FDRM) and the Fuzzy-based Disease Inference Model (FDIM). The Fuzzy-based Disease Rules Module (FDRM) computes the conditional support between attributes and generates the Fuzzy Rules considering the relation between them, unlike the traditional C4.5 algorithm, by using the attributes whose conditional support is high. Therefore, because the generated Fuzzy Rules make the number of attributes decreased more than those in the traditional C4.5 algorithm, they make the accuracy of rules improved more. The Fuzzy-based Disease Inference Module (FDIM) not only can reason a patient's disease accurately by using the generated Fuzzy Rules and a patient disease information but also can prevent a patient's disease beforehand.","PeriodicalId":350052,"journal":{"name":"2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132019838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A ranging method for 60GHz OFDM system based on improved preamble sequence 基于改进前导序列的60GHz OFDM系统测距方法
2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM) Pub Date : 2015-11-30 DOI: 10.1109/PACRIM.2015.7334842
L. Cui, Hao Zhang, Xiu Liu, T. Gulliver
{"title":"A ranging method for 60GHz OFDM system based on improved preamble sequence","authors":"L. Cui, Hao Zhang, Xiu Liu, T. Gulliver","doi":"10.1109/PACRIM.2015.7334842","DOIUrl":"https://doi.org/10.1109/PACRIM.2015.7334842","url":null,"abstract":"This paper presents a ranging approach using an improved preamble sequence of orthogonal frequency-division multiplexing (OFDM) signal for 60 GHz system. The performance of range estimation with OFDM modulation under 60GHz channel is analyzed emphatically. In order to utilize the time-frequency characteristics of OFDM signal in the ranging system, the subcarriers phase difference algorithm with an improved training sequence is proposed. Under 60GHz channel, a real-valued pseudo-random noise (PN) sequence and Zadoff-Chu (ZC) sequence are introduced into the preamble sequence of OFDM signal to increase the accuracy of correlation detection in the time-domain at low Signal Noise Ratio (SNR). The orthogonality of OFDM signal in the frequency-domain is used to gain higher accuracy. The ranging method operates near Cramér-Rao lower bound (CRLB) in the additive white Gaussian noise (AWGN) channel. Simulation results with the proposed method are presented, which obtain high precision ranging results under the TSV channel model of 60GHz OFDM system.","PeriodicalId":350052,"journal":{"name":"2015 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126044784","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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