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CI-RXLEV-E is a cell identifier (CI) based method which could be applied for location based services (LBS). In our previous work, it has been proved as the most accurate method which utilizes the information of measurement report (MR) and cell configuration database (CCD) to locate UE. In this paper, we suggest an empirical criterion to estimate the position error size of calculation results for this...
LTE-advanced system which based on orthogonal frequency division multiplexing (OFDM) can eliminate intra-cell interference but still can not mitigate inter-cell interference (ICI). In this paper, we propose a novel cooperative multi-cell multiple-input multiple-output (MIMO) scheme for LTE-advanced system to reduce ICI and improve the cell capacity. By sharing information such as data and channel...
This paper presents a route-based traffic speed estimation model according to wireless signal - timing advance (TA) in global system for mobile communication (GSM) network. In this model, each vehicle with cellphone is considered as a probe vehicle. When probe vehicle passes the transition points between TA sectors, the timestamp and cellphone ID can be recorded. In this way, probe vehicle is tracked...
By introducing GPRS communication mode, the proposed remote monitoring system for prefabricated substation can realize wireless data transmission not only via GSM network but also via Internet. The main function of the system is to remotely monitor and control the operational status of the substations by mobile monitors and control center. In addition to responding to remote queries of status report...
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