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Over Speed is one of the main reasons for increase in the occurrence of accidents nowadays. Many techniques are being used for over speed monitoring. However, these methods require lot of man power. In this paper, we present the design and implementation of a system, which provides a simple way to traffic authorities for monitoring of all the vehicles from the control room itself. This system calculates...
In the last years, smartphones have become the major device for communication enabling Telco operators to capture subscribers' whereabouts. This location information allows computing geostatistics to study transportation systems, traffic jams, origin-destination matrix, etc. The first task to accomplish the aforementioned objectives is to detect routes that people use to go from A to B. Thus, in the...
In present-day vehicles a multitude of high frequency services are offered. These services need antennas which often must be placed very close to each other. This is the case with roof antennas that operate in different frequency ranges for GSM, UMTS, GPS and SDARS applications. The development of such antenna systems poses a new challenge due to the fact that more antennas shall occupy the same place...
This paper proposes a PCE that uses available space in the phone housing effectively and adds additional bands to existing PIFA. The PCE can be used advantageously to add a GPS band to a cellular band PIFA but other uses. The PE can be manufactured cost effectively and can be added to an existing phone without re-tooling the plastic housing.
This paper describes the possibility of integrating the antennas into a mirror of a vehicle. Vehicle manufacturers tend to integrate all modern communication services into their vehicles. This requires a certain number of antennas to support these services. On the other hand they put the requirement that the antennas should not influence the design and aesthetics of the vehicle, they should be as...
Existing positioning approaches do not provide the required positioning accuracy for navigation systems in indoor environments. Novel approaches are based on pseudolites (pseudo satellites) which try to emulate GPS (Global Positioning System) satellites. Thus, conventional GPS receivers could be used, but the infrastructure becomes very expensive. Other approaches are based on tagged WLAN access points...
Microstrip Antennas (MSAs) consist of a metallic radiating patch on one side of thin dielectric substrate and other side is ground plane. Most important advantages of MSAs are low profile, light weight and compatibility with integrated circuit technology. MSAs are used in mobile communication, satellite communication, radar, direct broadcasting, global positioning systems and remote sensing. The major...
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