Terminal auxiliary wireless positioning method and apparatus

Abstract

Disclosed are an auxiliary wireless positioning method and device for a terminal, which relate to the field of wireless communications. The device comprises: a request sending module which is set, when a first terminal to which the request sending module belongs does not have a positioning capability, to initiate an auxiliary positioning request to at least one second terminal, which has already completed positioning, in the vicinity of the first terminal and save the sending time of the auxiliary positioning request; a response receiving module which is set to receive auxiliary positioning information sent by the second terminal in response to the auxiliary positioning request and save the receiving time of the auxiliary positioning information; and a positioning computation module which is set to determine a spatial position thereof using the auxiliary positioning information and receiving time, and the sending time of the auxiliary positioning request. By means of mutual cooperation between terminals, the present invention assists a terminal which does not have a positioning capability to complete wireless positioning.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a wireless communication positioning technology. Background technique [0002] With the continuous development of the times, mobile phone positioning technology has received more and more attention. Whether it is GPS positioning technology, or the use of wireless sensor networks or other positioning means for positioning, there are limitations. In order to achieve higher positioning accuracy, multiple positioning systems cooperate and combine positioning, that is, multi-mode positioning. range for seamless, precise positioning. For example, the organic combination of satellite positioning system and mobile communication system for mobile phone positioning, make full use of the advantages of satellite positioning system in large coverage area, high positioning accuracy in open areas and mobile communication network in indoor and dense urban areas, to better meet the market...

AI Technical Summary

Problems solved by technology

In indoor dense urban areas, due to the large attenuation of the GPS signal, it is impossible to search for enough 4 stars, and the GPS positioning cannot be completed, which restricts the positioning function

[0004] The main problem of traditional wireless positioning schemes is that there are too few options for positioning anchor points, and they are limited to public anchor points, such as satellite base stations, etc.

In addition, factors such as NLOS, multipath, and channel environment changes indoors will also lead to inaccurate cellular positioning. Although there have been some research results in this area, they are generally based on ideal assumptions, and further research is needed to make it feasible in practical applications. technical solutions

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