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In this paper, a new outer loop power control algorithm based on continuous fuzzy control is proposed. The output value, controlled by the fuzzy rules and the two input values which are processed with fuzzy method, is adopted as the adjustment step-size of SIRtar in the inner loop power control. The algorithm can calculate the best adjustment step-size to overcome the robust phenomenon of traditional...
The new perfect complete generalized complementary orthogonal code group, which has perfect aperiodic auto-correlation function and cross-correlation function, is constructed. Two new methods, which are based on Schweitzer's concept and theory of overlap and reuse, are adopted to improve the code efficiency. There is no adjacent cell interference for the ideal auto-correlation function and cross-correlation...
Application identification plays a crucial role in network management. Among many different approaches introduced in the field, Bernaille et al. introduces connection based clustering to identify applications. In this paper, first four packet sizes with directions are used as a feature set to cluster different applications in wireless environment, which is acclaimed to cluster with 93.7% of accuracy...
In this paper, the transmission capacities of two coexisting wireless networks (primary network and secondary network) in the same geographic region and sharing the same spectrum are derived. The primary (PR) network has a higher priority to access the spectrum, while the secondary (SR) network limits its interference to the PR network by controlling its transmission intensity. Considering spread-spectrum...
Optical orthogonal codes (OOCs) have application in OCDMA system because of their good correlation properties. In this paper, two correlation-detection methods, difference method and distance method, were studied. Calculate amount of these correlation-detection methods was analyzed. Constraint condition of optimal optical orthogonal codes was discussed. Besides, a construction method of optimal (n,w,1)...
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