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2010 IEEE 12th International Conference on Communication Technology最新文献

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A derivative constrained receiver for MC-CDMA systems with carrier frequency offset 载波频偏MC-CDMA系统的导数约束接收机
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-12-01 DOI: 10.1109/ICCT.2010.5688557
Fuh-Hsin Hwang, Tung-Chou Chen, T. Lin
{"title":"A derivative constrained receiver for MC-CDMA systems with carrier frequency offset","authors":"Fuh-Hsin Hwang, Tung-Chou Chen, T. Lin","doi":"10.1109/ICCT.2010.5688557","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5688557","url":null,"abstract":"In this paper, we proposed a derivative constraint minimum output energy (MOE) receiver, which offers enhanced robustness against carrier frequency offset (CFO). Numerical results demonstrate that the proposed receiver basically offers the same performance as an optimal receiver with no CFO present.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123429875","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
Investigation of spatial correlation for two-user cooperative communication in indoor office environment 室内办公环境下两用户协同通信的空间相关性研究
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5688840
Ding Liqin, Wang Yang, Z. Jiliang, Lin Limei, Liao Xi, Yan Dayong
{"title":"Investigation of spatial correlation for two-user cooperative communication in indoor office environment","authors":"Ding Liqin, Wang Yang, Z. Jiliang, Lin Limei, Liao Xi, Yan Dayong","doi":"10.1109/ICCT.2010.5688840","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5688840","url":null,"abstract":"An experimental investigation of the spatial correlation for cooperative multiple-input multiple-output (MIMO) channel in an indoor environment is presented in this paper. The testbed is designed for a two-user cooperation channel sounding, operated at a carrier center frequency of 2.45GHz and a bandwidth of 100MHz. The measurements were conducted in a typical office environment. The spatial correlation is extracted based on the Kronecker channel model. The spatial correlation turns out to be surprisingly high for short-distance cooperative communication in a void office, and it drops rapidly with the increase of communication distance. Furthermore, the impact of environment itself on the spatial correlation was then studied by adding reflector and scatterers into the office. It shows that cooperation gets more benefits in the rich scattering and reflecting conditions.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114973442","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: 6
A 40-Gb/s quarter rate CDR with 1∶4 demultiplexer in 90-nm CMOS technology 采用90纳米CMOS技术的1∶4解复用器的40gb /s四分之一速率CDR
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5688510
Shuangchao Yan, Yingmei Chen, Tao Wang, Hui Wang
{"title":"A 40-Gb/s quarter rate CDR with 1∶4 demultiplexer in 90-nm CMOS technology","authors":"Shuangchao Yan, Yingmei Chen, Tao Wang, Hui Wang","doi":"10.1109/ICCT.2010.5688510","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5688510","url":null,"abstract":"This paper presents a 40-Gb/s phase-locked clock and data recovery (CDR) circuit with 1∶4 demultiplexer in IBM 90-nm CMOS technology. The CDR circuit incorporates an inductorless eight-phase LC voltage-controlled oscillator (VCO) and a quarter-rate bang-bang phase detector (PD). A novel inductorless eight-phase LC VCO including four LC oscillator cells is presented to generate the eight-phase outputs. A one-forth-rate phase detector employing eight flip-flops is proposed. The 40-Gb/s input data are sampled with eight parallel different-ial master-salve flip-flops every 12.5 ps and the 40-Gb/s data are demultiplexed into four 10-Gb/s outputs when the CDR circuit is locked. The recovered clock exhibits 200mV output swing and a jitter of 0.2 psrms and 0.6 pspp. The retimed data exhibits 200mV output swing and a jitter of 0.5 psrms and 2.1 pspp. The CDR circuit consumes 72 mW from a 1.2 V supply excluding out buffers.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114980234","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: 8
Partical swarm optimization based unequal loss protection of embedded video streams 基于非等损失保护的嵌入式视频流粒子群算法
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5689025
Jiajing Hu, Dong Hu
{"title":"Partical swarm optimization based unequal loss protection of embedded video streams","authors":"Jiajing Hu, Dong Hu","doi":"10.1109/ICCT.2010.5689025","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5689025","url":null,"abstract":"This paper presents a new scheme for optimal packetization of scalable multimedia data over lossy network. By assigning an unequal amount of forward error correction (FEC) bits to each segment of transmission packets, the proposed algorithm protects a progressive bitstream generated by a three-dimensional set partitioning in hierarchical trees (3-D SPIHT) algorithm. The partical swarm optimization (PSO) algorithm is used to reasonably allocate bits between source coding and channel coding across packets. Experimental results show that the proposed algorithm provides close to optimal average peak signal-to-noise ratio performance and that its' running time is significantly lower than that of previously known solution.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123113566","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
Wave propagation communication models for Wireless Underground Sensor Networks 地下无线传感器网络的波传播通信模型
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5689034
Nchimunya Chaamwe, Wenyu Liu, Hongbo Jiang
{"title":"Wave propagation communication models for Wireless Underground Sensor Networks","authors":"Nchimunya Chaamwe, Wenyu Liu, Hongbo Jiang","doi":"10.1109/ICCT.2010.5689034","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5689034","url":null,"abstract":"Wireless Underground Sensor Networks (WUSNs) can be used to monitor a variety of conditions in both underground and above ground environments. Sensor nodes in WUSNs are usually buried underground and this posses the biggest challenge in as far as implementing WUSNs is concerned. Sensors in WUSNs are expected to communicate through dense substances such as soil or rock. This paper first discusses wave propagation attenuation modeling for wireless communication in underground channels and then proposes an enhanced model based on the CRIM-Fresnel, the modified Friis model and other models. The proposed model considers most of the characteristics comprising the underground wireless channel that would affect the communication efficiency in this environment. In particular, the underground communication channel is modeled by considering not only the propagation attenuation due to dielectric properties of the soil, but also other factors such as reflection, phase shifting, refraction, and the distance between sensor nodes. The proposed model shows through simulations that with lower frequencies and shorter distances underground communication with EM waves is possible with minimal attenuation.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"34 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123142275","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: 20
Square patch resonator bandstop filter 方形贴片谐振带阻滤波器
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5689204
J.-K. Xiao, H.-F. Huang
{"title":"Square patch resonator bandstop filter","authors":"J.-K. Xiao, H.-F. Huang","doi":"10.1109/ICCT.2010.5689204","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5689204","url":null,"abstract":"Rectangular patch resonator is analyzed, and dual-mode and multi-mode bandstop filters using square loop resonator are proposed. Compared with traditional dual-mode filter with single operation band, the new design takes fully advantage of the dominant mode and its degenerate mode, even higher order mode to implement operation band, respectively, and tri-band bandstop filters are developed by using DGS. It is shown that with simple and compact structures, dual-mode and tri-band bandstop filters are realized, and the design is demonstrated by measurement. The new filters are expected to find applications in future wireless communication systems.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116967157","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: 6
A high accuracy multi-parameter estimation algorithm for underwater acoustic channels 一种高精度水声信道多参数估计算法
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5688514
Zhou Lin, Yang Guang, Li Ming, Li Lanjun, W. Jianguo
{"title":"A high accuracy multi-parameter estimation algorithm for underwater acoustic channels","authors":"Zhou Lin, Yang Guang, Li Ming, Li Lanjun, W. Jianguo","doi":"10.1109/ICCT.2010.5688514","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5688514","url":null,"abstract":"A novel pilot signal is proposed for the Doppler shift and the delay estimation in the underwater acoustic multi-path channel. A single-frequency signal and a Chirp signal are sent with a fixed time interval. The energy focusing character is applied to process the single-frequency signal part of the mixed signal for the Doppler shift, while the Chirp-based character of the fractional Fourier transform (FRFT) is applied to analyze the Chirp part of the mixed signal for the delay. Besides, it's not necessary to correlate a bank of correlators as the result of the FFT of high resolution on the single-frequency signal part of the mixed signal for Doppler shift estimation, which greatly improves the algorithm efficient. The simulation results show the algorithm effectiveness.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116993039","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
Efficient implementation of time domain equalizer for DMT/OFDM systems DMT/OFDM系统时域均衡器的有效实现
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5688856
J. Dang, Zaichen Zhang
{"title":"Efficient implementation of time domain equalizer for DMT/OFDM systems","authors":"J. Dang, Zaichen Zhang","doi":"10.1109/ICCT.2010.5688856","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5688856","url":null,"abstract":"In this paper we propose an efficient implementation of time domain equalizer for discrete multitone and orthogonal frequency division multiplexing systems. By properly using fast Fourier transform modules, the proposed two-branch implementation can reduce the computational complexity significantly compared with the conventional implementation method.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120983106","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
Detection and decomposition algorithm for dual logic implementations 对偶逻辑实现的检测与分解算法
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5689005
Wang Lun-yao, Yinshui Xia, Chen Xiexiong
{"title":"Detection and decomposition algorithm for dual logic implementations","authors":"Wang Lun-yao, Yinshui Xia, Chen Xiexiong","doi":"10.1109/ICCT.2010.5689005","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5689005","url":null,"abstract":"Based on the disjointed cubes of the logic functions, a method using hamming distance to detect logic functions suitable for Reed-Muller(RM) logic implementation is presented. And the original covers of the logic functions are decomposed into two parts. One is suitable for RM logic implementation and the other is suitable for Boolean logic implementation. The proposed algorithm is implemented in C and tested on MCNC benchmarks. The experimental results show that the proposed algorithm is efficient compared with published methods.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127089431","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
Integrated circuit EDA design of 10-bit SAR ADC with low power 低功耗10位SAR ADC的集成电路EDA设计
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5688923
Dan Bu, N. Wu, C. Qiu, Junbo Wang
{"title":"Integrated circuit EDA design of 10-bit SAR ADC with low power","authors":"Dan Bu, N. Wu, C. Qiu, Junbo Wang","doi":"10.1109/ICCT.2010.5688923","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5688923","url":null,"abstract":"A 10-bit 1Ms/ps SAR ADC with low power is designed by integrated circuit EDA software, which is realized in a 0.18um CMOS process. The design combines a capacitor DAC, a CMOS dynamic comparator, a SAR digital logic control cell, and a two phase non-overlap clk cell. Through the EDA simulation results, the SAR ADC designed in this paper is suited for low power operation with 30.3 uW from a 1.8V voltage supply, and the input range is rail to rail‥1","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127482015","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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