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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

Inactive Publication Date: 2006-02-08
ZTE CORP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] The purpose of the present invention is to solve the existing problems and deficiencies of the existing mobile terminal positioning method, such as high cost, complex implementation and low measurement accuracy, and provide a low-cost, high-efficiency, high positioning accuracy, easy to implement and suitable for popularization and application. Method for Locating Mobile Terminals with Distributed Antennas

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  • Method for locating mobile terminal using distributed antenna
  • Method for locating mobile terminal using distributed antenna
  • Method for locating mobile terminal using distributed antenna

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Embodiment Construction

[0018] The technical features and functional features of the present invention will be further described below in conjunction with specific embodiments, with the purpose of better explaining the present invention, but not intended to limit the protection scope of the present invention.

[0019] see figure 1 , figure 2 and image 3 , the present invention utilizes distributed antenna to carry out the method for positioning a mobile terminal to realize the measurement of positioning parameters and the calculation of the position of the mobile terminal through the network side, the method includes the following steps:

[0020] (1) After the base station receives the positioning measurement request for the mobile terminal, it measures the time difference between the uplink dedicated physical channel signal of the mobile terminal and the three or more distributed antennas controlled by the base station, that is, the time difference between antenna 1 and antenna 2 Time difference...

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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.

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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Application Information

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IPC IPC(8): H04Q7/38G01S5/06G01S5/12H04W64/00
Inventor 李萍刘虎
Owner ZTE CORP
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