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The network traffic classification is one of the most fundamental work in the network measurement and management, and this problem is more and more impact as the network scale grows. Many methods are proposed by researchers, but methods based on flow statistics seem more popular than the others. In this paper, we proposed a novel method based on refined flow statistical features. The new statistics,...
A new family of two-dimensional optical orthogonal code with zero cross-correlation zone (2-D ZCZ) is constructed, using primary LA sequence for time spreading and OCS (one-coincidence sequence) for wavelength hopping. Performances of autocorrelation and cross-correlation of 2-D ZCZ are analyzed. BER performance of two-dimensional OCDMA system is also analyzed.
Background Mannitol and hypertonic saline are used to ameliorate brain edema and intracranial hypertension during and after craniotomy. We hypothesized that the agreement of measured and calculated serum osmolality during the infusion of hypertonic saline would be better than mannitol. The objective was to determine the accuracy of serum osmolality estimation by different formulas during the administration...
In this letter, we introduce a coordinated multi-cell transmit diversity (TxD) technique which improves the existing space frequency block coding based single-cell TxD schemes by combining them with inter-cell cyclic delay. With the proposed symbol-to-subcarrier mapping rule, this novel method achieves better diversity gain over the existing multi-cell and single-cell counterparts. This design is...
Secure, interoperable and flexible identity management (IdM) architecture should be designed in large organizations to alleviate ??identity confusion??. Existing network-centric, service-centric and user-centric IdM models are not always efficient during processing and communicating. In this paper, we propose an attribute-oriented IdM model, which adaptively and efficiently considering requirement...
The paper expounds the main content of simulation of multiple-input-multi-output (MIMO) vibration which includes the purpose, the model and the procedure. The simulation technology has been used to some aircraft store reliability qualification test. Many control projects were simulated. According to the simulation result, the best control project was ensured. According to the best control project,...
Alert fusion is a process that analyzes the alerts produced by one or more intrusion detection systems and provides a more succinct and high-level view of security event or attempted intrusions. Unfortunately, the serialized alerts by detected or created time will hide the intrinsic order between alerts. It is a disadvantage to alert fusion. In this paper, we proposed an alert fusion method based...
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