By Zeeshan Sabir, Syed Abdul Rehman Yousaf (auth.), Gang Shen, Xiong Huang (eds.)
The two-volume set CCIS 143 and CCIS one hundred forty four constitutes the refereed complaints of the overseas convention on digital trade, net program, and communique, ECWAC 2011, held in Guangzhou, China, in April 2011. The 148 revised complete papers awarded in either volumes have been rigorously reviewed and chosen from plenty of submissions. delivering a discussion board for engineers, scientists, researchers in digital trade, internet software, and conversation fields, the convention will placed specified concentration additionally on elements resembling e-business, e-learning, and e-security, clever info purposes, database and method safety, photo and video sign processing, development reputation, info technology, business automation, technique regulate, user/machine structures, protection, integrity, and safety, in addition to cellular and multimedia communications.
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Extra info for Advanced Research on Electronic Commerce, Web Application, and Communication: International Conference, ECWAC 2011, Guangzhou, China, April 16-17, 2011. Proceedings, Part I
According to the mentioned famous learning theory, the author has explored some effective autonomous learning modes for several years. The basic autonomous learning modes are based on web or network. There are some characteristics being shown in the following: Mode one shows that self-study center is a center place for students to finish their autonomous learning task. Students can be divided into several groups. In each group, students are required to learn with other members. The main learning mode is cooperative learning mode.
The system designer has to choose a modulation scheme keeping in view a trade-off between the tolerable error rate for the application for which the system is designed and the required data rate as these two are linked directly. 6 Summary A novel ICI cancellation and Error correction algorithm is proposed for OFDM system. The algorithm has a very low computation overhead. It uses the Channel Estimation matrix calculated from the pilot tones to mitigate the effect of ICI. Error correcting turbo codes further improves the performance of the system by lowering Improved Joint ICI Cancellation and Error Correction for OFDM System 11 the BER significantly.
2) Livestock data analysis and decision and the technology of early warming Information is normally half-structure. It includes spatial data, temporal data and multimedia data. It is difficult to make data characteristics, classify, correlation. For effective accurate data analysis and decision making in the original warning, on the basis of the data mining technology, expand the data mining technology and method for the space, and multimedia, text and web data, using the data streams, time series data and sequence of data mining technology, information analysis, decision support early warning.