Method and system for collecting positioning auxiliary information

A technology for positioning assistance and information collection, which is applied in wireless communication, electrical components, etc., and can solve problems such as large influence of multipath interference.

Inactive Publication Date: 2011-04-20
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has a strong dependence on the time base a

Method used

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  • Method and system for collecting positioning auxiliary information
  • Method and system for collecting positioning auxiliary information
  • Method and system for collecting positioning auxiliary information

Examples

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specific Embodiment 1

[0101] The first specific embodiment of the present invention to collect positioning assistance information in the LTE / LTE-A system includes the following steps, as figure 1 Shown:

[0102] Step 11: When eNB1 and eNB2 establish the X2 interface, eNB1 sends an X2 establishment request message to eNB2, which includes information about all serving cells under eNB1, and adds geographic location information of the serving cell to the serving cell information, such as the serving cell The longitude and latitude information of the base station; further, it can also expand the adjacent cell information of the serving cell to which the base station belongs, and increase the geographic location information of the adjacent cell, such as longitude and latitude information; further, it can also include the geographic location information of the base station, including the base station’s Longitude and latitude information, which is passed to eNB2;

[0103] Step 12: eNB2 receives the X2 est...

specific Embodiment 2

[0105] The second specific embodiment of the present invention for collecting positioning assistance information in the LTE / LTE-A system includes the following steps, as figure 2 Shown:

[0106] Step 21: When eNB1 changes the base station configuration information, such as the information change of the serving cell, the change of the neighbor cell information of the serving cell, the change of the MME POOL information to which the base station belongs, etc., eNB1 sends a base station configuration update message to eNB2, and the base station configuration update message contains the information of all serving cells under eNB1, and adds the geographic location information of the serving cell to the serving cell information, such as the longitude and latitude information of the serving cell; Geographic location information of the area, such as longitude and latitude information; further, it may also include geographical location information of the base station, including longit...

specific Embodiment 3

[0109] The third specific embodiment of the present invention for collecting positioning assistance information in the LTE / LTE-A system includes the following steps, as image 3 Shown:

[0110] Step 31: eNB1 is the serving base station where the current UE is located, and eNB1 knows the auxiliary information of the candidate cell set that the current base station needs to collect, eNB1 sends a positioning assistance information request message to eNB2 where the candidate cell is located, as shown in Figure 4 As shown, the request message includes the global ID of the base station, the global symbol of the candidate cell requested to be obtained, and further, the geographic location information of the serving base station, including the longitude and latitude information of the serving base station. Pass the positioning assistance information request message to eNB2;

[0111] Step 32: eNB2 receives the positioning assistance information request message, and if successful, sen...

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PUM

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Abstract

The invention discloses a method and a system for collecting positioning auxiliary information. A serving base station collects the positioning auxiliary information through an interactive signaling message via an X2 interface, wherein the mutual signaling message can be an expanding X2 interface building request/response message, or an expanding base station configuration update message or a special positioning auxiliary message request/response message. The interactive signaling message carries an auxiliary message with a geographical position message to reliably collect the positioning auxiliary information. In the mode of auxiliary positioning by UE (User Equipment) or the mode of judgment positioning by UE, the invention can obtain the auxiliary messages of a candidate cell required to be measured by the UE, such as the geographical position message, the longitude message and the latitude message of the candidate cell. After collected by the servicing base station, the messages are reported to an E-SMLC (Serving Mobile Location Center) to realize OTDOA (Observed Time Difference Of Arrival) positioning judgment, thereby more precisely carrying out UE positioning.

Description

technical field [0001] The present invention relates to a wireless cellular communication system, in particular to a method and a system for collecting positioning assistance information in a long-term evolution (LTE) and long-term evolution-enhanced (LTE-A) mobile communication system. Background technique [0002] The LTE (Long Term Evolution, Long Term Evolution) network consists of an E-UTRAN (EvolvedUTRAN, Evolved Universal Terrestrial Radio Access Network) base station eNB (Evolved NodeB) and an Evolved Packet Switching Center EPC (Evolved Packet Core), and the network is flat. The E-UTRAN includes a set of eNBs connected to the EPC through the S1 interface, and the eNBs can be connected through the X2 interface, and the S1 and X2 are logical interfaces. One EPC can manage one or more eNBs, one base station eNB can also be controlled by multiple EPCs, and one eNB can manage one or more cells. The LTE-A system is evolved from the LTE system, and its network architectur...

Claims

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Application Information

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IPC IPC(8): H04W24/10H04W64/00H04W92/20
Inventor 高音吴昊
Owner ZTE CORP
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