Transporting Residue of Vehicle Position Data Via Wireless Network
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Accused Products
Abstract
The invention relates to compressed data transmission in wireless data communication. Disclosed are methods and apparatuses for transporting residue of vehicle position data via a wireless network. A disclosed method for transporting residue of vehicle position data via a wireless network, includes the steps of: receiving data for updating residue encoding schema from a monitoring server; constructing a residue encoding schema based on the data, thereby producing a constructed residue encoding schema; and storing the constructed residue encoding schema such that the constructed residue encoding schema will become the current residue encoding schema; where: the constructed residue encoding schema is constructed such that each residue of the constructed residue encoding schema corresponds to a code; and the constructed residue encoding schema is constructed such that a residue having a relatively high probability of occurrence corresponds to a code of relatively short length.
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Citations
16 Claims
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1-10. -10. (canceled)
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11. A monitoring server for transporting residue of vehicle position data via a wireless network, comprising:
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a storage device configured for storing historical data; a data analysis device, configured to generate a normalized residue distribution of position data of all vehicles complying with a constraint condition; an encoding schema updating device, configured to calculate a probability of occurrence of a residue corresponding to a specific vehicle according to the normalized residue distribution, and construct a residue encoding schema, thereby producing a constructed residue encoding schema; and a decoding device, configured to derive the residue corresponding to a code received from a vehicle-mounted terminal in the specific vehicle via the wireless network according to the residue encoding schema; wherein; the historical data includes real-time vehicle position data and associated context information; the constructed residue encoding schema is constructed such that each residue of the constructed residue encoding schema corresponds to one code; and the constructed residue encoding schema is constructed such that a residue with a relatively high probability of occurrence corresponds to a code of relatively short length. - View Dependent Claims (12, 13, 14, 15)
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16-20. -20. (canceled)
Specification