Method for locating mobile terminal using distributed antenna

A distributed antenna and mobile terminal technology, applied in positioning, wireless communication, radio wave measurement systems, etc., can solve the problems of complex implementation, high cost of positioning methods, low measurement accuracy, etc., to reduce power consumption, hardware and software. Cost, effect of prolonging standby time
CN1731893AInactive Publication Date: 2006-02-08ZTE CORP
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
ZTE CORP
Publication Date
2006-02-08
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

This invention discloses a method for locating mobile terminal by distribution-type antenna, belonging to CDMA technology field, which via net actualizes the measurement of location parameter and calculation of mobile terminal position, comprising the steps: a, base station calculates at least three antenna time interval from upward special physics channel signal of terminal to base station control; b, based on the time interval and distances between the station and antenna, calculating the distance between mobile terminal and antenna; c, determining a hyperbola between every two antennas; d, evaluating the terminal position based on no less than two hyperbola convergence area. The invention has the advantages of lower cost, higher efficiency, accurate location and ease of actualization.
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Description

technical field

[0001] The invention relates to the technical field of code division multiple access (CDMA, Code Division Multiple Access) mobile communication, in particular to a method for positioning a mobile terminal based on a network side in a code division multiple access communication system. Background technique

[0002] With the continuous development of mobile communication technology and network, the number of users is increasing, the content and form of information services are increasing, people's demand for location information is expanding, which promotes the research of positioning technology and the development of positioning system, making it a Current research hotspots, especially the use of mobile terminals and wireless networks to coordinate geographic location measurement is a new direction in the development of mobile communication applications in recent years. Determine the actual geographic location of the user, thereby providing the location inform...

Claims

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