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US Patent 7035643 - Method for planning mobile radio coverage inside buildings
US Patent Issued on April 25, 2006
Estimated Patent Expiration Date:
April 10, 2021Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
April 10, 2021Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractThe invention relates to a method for planning radio coverage and for predicting the high-frequency received power level of a mobile radio transmitter in buildings for a number of floors above and below the floor in which the transmitter is positioned with a transmitting antenna. The method can be used for the most frequently existing building types, i.e. reinforced concrete framework buildings and masonry buildings. The invention is advantageous in that a complex series of measurements for planning the radio coverage in buildings can be forgone. In addition, no complex calculations using semi-emperical models, e.g. ray tracing methods, are necessary. The inventive method offers rapid adequately precise results concerning the radio coverage to be expected in a building and, at the same time, for a large number of floors.Other References
| InventorsAssigneeApplicationNo. 10257016 filed on 04/10/2001US Classes:455/446, Including cell planning or layout455/62, Optimum frequency selection455/63.2, System with hierarchical coverage areas455/67.11, Having measuring, testing, or monitoring of system or part455/67.14, Using a test signal455/423, Diagnostic testing, malfunction indication, or electrical condition measurement455/424, System equipment455/422.1, Zoned or cellular telephone system455/67.16Phase measuring (e.g., group delay, propagation effect, etc.)Field of Search455/446, Including cell planning or layout455/62, Optimum frequency selection455/63.2, System with hierarchical coverage areas455/67.11, Having measuring, testing, or monitoring of system or part455/67.14, Using a test signal455/423, Diagnostic testing, malfunction indication, or electrical condition measurement455/424System equipmentExaminersPrimary: Trost, WilliamAssistant: Rampuria, Sharad Attorney, Agent or FirmUS Patent References5450615, Prediction of indoor electromagnetic wave propagation for wireless indoor systemsIssued on: 09/12/1995 Inventor: Fortune, et al.5561841, Method and apparatus for planning a cellular radio network by creating a model on a digital map adding properties and optimizing parameters, based on statistical simulation results Issued on: 10/01/1996 Inventor: Markus5987328Method and device for placement of transmitters in wireless networks Issued on: 11/16/1999 Inventor: Ephremides, et al. Foreign Patent References
International ClassH04Q 7/20 |
