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Mobile probes provide a supplementary means of traffic information estimation for inner-suburban freeways in the major big cities in China. Lack of sufficient participants with GPS-based smart phones at the moment, handover-based location solution, one of GSM-based location solutions, was tentatively employed in this paper. Since handover data currently cannot have the same location performance with...
A novel internal monopole antenna with a vertical L-shaped ground portion for electromagnetic compatibility (EMC) with the surrounding conducting elements is presented. The proposed antenna had two radiating strips designed to operate at about 900 and 1800 MHz for global system for mobile communication (GSM) and digital communication system (DSC) operations. Moreover, a right-triangle- shaped feeding...
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