Monitoring and Optimization of Pilot Pollution in High-Rise

With the development and construction of the city, more and more high-rise buildings, more and more intensive, urban high-rise building pilot pollution problems become more and more prominent, urgent technical researchers continue to optimize the current communication network solutions. CDMA (Code Division Multiple Access) system has great operating prospects, in the third generation of mobile communication development process, the network competitiveness, network operation quality put forward higher requirements. This paper first introduces the self-interference characteristic of CDMA network, first introduces the concept of pilot pollution for CDMA network. Secondly, from the causes of high-level pilot pollution problems, the solution of high-level pilot pollution concentration is put forward for different situations. Finally, the problem of high-level pilot pollution is further analyzed with practical examples.

Monitoring and Optimization of Pilot Pollution in High-Rise

With the development and construction of the city, more and more high-rise buildings, more and more intensive, urban high-rise building pilot pollution problems become more and more prominent, urgent technical researchers continue to optimize the current communication network solutions. CDMA (Code Division Multiple Access) system has great operating prospects, in the third generation of mobile communication development process, the network competitiveness, network operation quality put forward higher requirements. This paper first introduces the self-interference characteristic of CDMA network, first introduces the concept of pilot pollution for CDMA network. Secondly, from the causes of high-level pilot pollution problems, the solution of high-level pilot pollution concentration is put forward for different situations. Finally, the problem of high-level pilot pollution is further analyzed with practical examples.

A Statistical Approach to Determine Handover Success Using the Principle of Inclusion and Load Variation on Links in Wireless Networks

In this paper we present a statistical approach to establish a more efficient mechanism to predict handover success probability on a link in a wireless Network. We develop formulations that are used in the analysis to determine a more effective approach that reduces soft handover occurrences hence reducing unnecessary Network resource consumption. This approach can exploit the soft handover overhead metric and by optimum dimensioning can estimate the active set responsiveness using conditional thresholds set in a given service area. Furthermore, we analyse load variation and the value of pilot power in a given cell and the effects of pilot pollution in a dynamic traffic environment. Results of the analysis are presented for the probability of handover success and plots of signal strength variation on selected links using defined site specific formulations.

Prediction of Pilot Pollution in High-Rise Buildings Covered by Outdoor Base Station

In Code Division Multiple Access (CDMA) communication systems, the pilot pollution in high-rise building area is an increasingly prominent and long-standing problem, which seriously affects Quality of Service (QoS) and User Experience (UE). This paper presents a predicting method of pilot pollution in high-rise building area covered by Outdoor Base Station (OBS).The method, which is based on Operation Maintenance Center (OMC) and location (LOC) data, can predict pilot pollution severity occurred in high-rise and pertinently recommend a prioritization scheme, by analyzing the relationship of pilot strength, distance and angle between target area and OBS. The validity and feasibility of this prediction method have been verified by Call Quality Test (CQT). Operators Capital Expenditure (CAPEX) and Operating Expense (OPEX) could be greatly reduced with the efficient and convenient prediction.