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

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Adaptive MMSE multiuser receivers in MIMO OFDM wireless communication MIMO OFDM无线通信中的自适应MMSE多用户接收机
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5688544
T. Eneh, P. Rapajic, K. Anang
{"title":"Adaptive MMSE multiuser receivers in MIMO OFDM wireless communication","authors":"T. Eneh, P. Rapajic, K. Anang","doi":"10.1109/ICCT.2010.5688544","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5688544","url":null,"abstract":"This paper presents a novel adaptive multiuser detection scheme for MIMO OFDM, which we refer to as AMUD MIMO OFDM. It combines the adaptive minimum mean square error multiuser detection scheme with prior information of the channel and interference cancelation in the spatial domain. Simulation results show that joint channel parameters estimation has good performance compared to individual parameter estimation. The developed algorithm sum rate capacity is close to MIMO theoretical upper bound (21.5 bits/s/Hz at an SNR of 20dB) which indicates its applicability to the uplink channel, where power transmission at the mobile station is a constraint. The BER performance shows that an 8 x 8 AMUD MIMO OFDM provides a 2dB SNR gain as compared to non adaptive MIMO OFDM.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"7 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":"133630963","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: 10
Design of low noise amplifier with shunt feedback for 3–5 GHz UWB receiver 3 - 5ghz超宽带接收机分流反馈低噪声放大器的设计
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5689252
Wei Wang, Neng Peng, Ying Wang, Yuan Xiong, B. Han, Q. Zhou, Wei Ruan, Fei Tan
{"title":"Design of low noise amplifier with shunt feedback for 3–5 GHz UWB receiver","authors":"Wei Wang, Neng Peng, Ying Wang, Yuan Xiong, B. Han, Q. Zhou, Wei Ruan, Fei Tan","doi":"10.1109/ICCT.2010.5689252","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5689252","url":null,"abstract":"A CMOS low noise amplifier (LNA) with shunt feedback for RF front-end of 3–5 GHz OFDM ultra wideband (UWB) receiver was designed. The proposed LNA architecture with an additional source inductor was presented to improve its performance, the LNA has been simulated with TSMC 0.18µm standard RF CMOS process, and it has a noise figure of less than 1.9dB, power gain of 11dB at 4.3GHz at 1.8V power supply.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"120 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":"127723602","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 novel frequency estimation algorithm for MPSK modulations and its realization architecture 一种新的MPSK调制频率估计算法及其实现体系
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5689093
Li Yangzhi, Li Guangxia, Zhang Bei-jiang, L. Zhiqiang
{"title":"A novel frequency estimation algorithm for MPSK modulations and its realization architecture","authors":"Li Yangzhi, Li Guangxia, Zhang Bei-jiang, L. Zhiqiang","doi":"10.1109/ICCT.2010.5689093","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5689093","url":null,"abstract":"A novel frequency estimation algorithm based on the fact that the frequency offset results in constellation phase angle increment is proposed. The estimation performance is derived. A simple but well-designed realization architecture is presented in detail. At last, Simulation results also show it has better estimation performance comparing with the traditional MPSK frequency estimation algorithms.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"10 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":"131881783","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 novel simulation platform for WLAN security protocols 一种新的WLAN安全协议仿真平台
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5688907
Chao Yang, Yong Zeng, Jianfeng Ma, Junwei Zhang
{"title":"A novel simulation platform for WLAN security protocols","authors":"Chao Yang, Yong Zeng, Jianfeng Ma, Junwei Zhang","doi":"10.1109/ICCT.2010.5688907","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5688907","url":null,"abstract":"Because of enormous complexity of security protocols and lack of efficient security protocol modeling method, how to evaluate the WLAN security protocols poses unique and formidable challenges. To address this issue, a universal and extensible simulation platform for WLAN security protocols is proposed. First, the architecture of the platform is presented, which provides a unified interface to extend various security protocols. Second, a general method to standardize the extension process is demonstrated. Finally, according to the proposed architecture and method, the simulation platform based on OPNET is implemented, and its feasibility, correctness and universality are validated through extending and simulating a concrete protocol. The results show that our simulation platform is universal and extensible.","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":"124453920","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
An effective preprocessing Scheme for WLAN-based fingerprint positioning systems 一种有效的无线局域网指纹定位系统预处理方案
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5688928
Qing-yuan Zhao, Shenmin Zhang, Xingchuan Liu, Xiaokang Lin
{"title":"An effective preprocessing Scheme for WLAN-based fingerprint positioning systems","authors":"Qing-yuan Zhao, Shenmin Zhang, Xingchuan Liu, Xiaokang Lin","doi":"10.1109/ICCT.2010.5688928","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5688928","url":null,"abstract":"In WLAN-based fingerprint positioning systems, the data preprocessing before applying the matching algorithm is important for improving the accuracy. In this paper, an effective preprocessing scheme is proposed to improve selection methods of reference point (RP) and access point (AP). The spatial filter is used to select RPs, and APs are decided in the principle of minimal redundancy. The experiment is carried out on campus, whose results show that the proposed scheme could improve the accuracy of both the Kernel-based and KNN matching algorithm, especially the former, by about 25%. Moreover, the denser is the AP distribution, the better the proposed scheme performs.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"24 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":"114358605","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: 10
Study on the structure of “Internet of Things(IOT)” business operation support platform “物联网”业务运营支撑平台结构研究
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5688537
Xiaocong Qian, Jidong Zhang
{"title":"Study on the structure of “Internet of Things(IOT)” business operation support platform","authors":"Xiaocong Qian, Jidong Zhang","doi":"10.1109/ICCT.2010.5688537","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5688537","url":null,"abstract":"The main contribution of this paper is to propose the structure of Internet of Things(IOT) business operation support platform(BOSP). The paper introduces the development of IOT, and focuses on carriers that play leader role in IOT industry chain. The importance of building BOSP for carriers is pointed out after analyzing their demands on operating IOT services. The proposed BOSP is formed by access layer, devices management layer, and ability formation layer. Access layer provides multi-networking capability over ubiquitous networks. Devices management layer offers convenient measures to monitor and control massive devices. Ability formation layer creates capabilities to quickly build networks and fulfill applications.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"30 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":"114503132","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: 40
A measurement study of neighbor selection mechanism in a P2P live streaming system P2P直播系统中邻居选择机制的测量研究
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5689179
Chao Hu, Ming Chen, Lidong Yu, Bo Xu
{"title":"A measurement study of neighbor selection mechanism in a P2P live streaming system","authors":"Chao Hu, Ming Chen, Lidong Yu, Bo Xu","doi":"10.1109/ICCT.2010.5689179","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5689179","url":null,"abstract":"Live streaming video has become one of the most popular P2P applications with its high-quality performance and playing effect. Since the real-time requirement, live streaming systems have to adopt an appropriate neighbor selection mechanism to realize effective content distribution. This paper takes PPLive which is a classic P2P IPTV system as the object to measure and analysis. We pay our attention to the quantitative variety, the ISP and autonomous system locality characteristic and the response time distribution of the neighbors. According to the research result, we find PPLive employs a simple neighbor selection mechanism we call it “the fast response, the best”. In such selection policy, peer prefers to select the peers with low response time as neighbors, and most of the data is downloaded from the lower-response neighbors.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"15 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":"123548030","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
Quantum key distribution based on Orbital Angular Momentum 基于轨道角动量的量子密钥分配
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5689105
Yuan Qian, Zhao Sheng-mei
{"title":"Quantum key distribution based on Orbital Angular Momentum","authors":"Yuan Qian, Zhao Sheng-mei","doi":"10.1109/ICCT.2010.5689105","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5689105","url":null,"abstract":"How to improve the key distribution efficiency is key technique in quantum key distribution. An efficient quantum key distribution (QKD) protocol based on Orbital Angular Momentum (OAM) states in the d-dimension Hilbert space is presented in this paper. In the protocol, each photon carries log2d bits information, and the key distribution efficiency is improved greatly. In addition, the numerical simulation for this key distribution protocol are also given to show the availability of the protocol.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"25 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":"123602422","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
Research of AltBOC modulation AltBOC调制的研究
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5688541
Qin Changlu, Lv Jing, Li Yangzhi
{"title":"Research of AltBOC modulation","authors":"Qin Changlu, Lv Jing, Li Yangzhi","doi":"10.1109/ICCT.2010.5688541","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5688541","url":null,"abstract":"When the modulation method of AltBOC was just promoted,the Galileo E5 signal's envelope will not be constant if it brings one pilot component in upper and lower band separately. That may influence the HPA's power efficiency. Galileo navigation system takes PRN codes to modulate new 4-level subcarriers instead of 2-level subcarriers then obtain a equivalent 8-PSK AltBOC broad band modulation. But it's arduous to understand the complicated modulation way which multiplexes 4 navigation signal components. And the mathematical formulations are not easy to comprehend. So,in the paper,the author has researched constant envelope modulation's characteristics and detailed 8-PSK AltBOC principles by describing phase jumping rule of the E5 signal's Fresnel plot. Then presents how the modulation method forms a envelope constant 4-code multiplexed signal.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"30 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":"122061097","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: 4
Cloud Computing infrastructure for latency sensitive applications 用于延迟敏感应用程序的云计算基础设施
2010 IEEE 12th International Conference on Communication Technology Pub Date : 2010-11-01 DOI: 10.1109/ICCT.2010.5689022
Zhitao Wan
{"title":"Cloud Computing infrastructure for latency sensitive applications","authors":"Zhitao Wan","doi":"10.1109/ICCT.2010.5689022","DOIUrl":"https://doi.org/10.1109/ICCT.2010.5689022","url":null,"abstract":"The emerging Cloud Computing shows an attractive vision. Cheap hardware takes over workload from expensive dedicated hardware. Easy to develop, deploy and pay as you use model accelerates application release cycle and saves overall cost. The march to All-IP network continues and more latency sensitive mission-critical operations migrate to the Cloud. But the current geographical distributed Cloud introduces unpredictable latencies caused by dispatching, network transmission and computation comparing with traditional computing model. It challenges Cloud Computing and hinders the effort to migrate applications to the Cloud. This paper analyzed the latency in current Cloud and presented an empirical taxonomy of latency with four classes, gave a Cloud Computing infrastructure for different classes of latency sensitive applications with high efficiency and a proof of concept prototype.","PeriodicalId":253478,"journal":{"name":"2010 IEEE 12th International Conference on Communication Technology","volume":"74 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":"124617212","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: 21
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