| 摘要 |
The present application relates to a wireless communications technology and discloses a method and an apparatus for positioning a mobile terminal The method specifically comprises: according to a first request message sent by a CN for instructing positioning of a mobile terminal, an RNC sending, to a base station of the mobile terminal, a second request message for instructing acquisition of the number of identifications of sub areas associated with the mobile terminal in a cell dividing result, the cell dividing result comprising a plurality of sub areas acquired by division according to an antenna group coverage manner of the base station in a cell the mobile terminal is currently located in; the RNC receiving an identification returned by the base station, of at least one sub area associated with the mobile terminal; and the RNC sending, to an SAS, a PCAP calculation request message carrying the identification of the at least one sub area, and enabling the SAS to determine geographical location information of the mobile terminal according to the identification of at least one sub area, thereby implementing precise positioning of the mobile terminal. |
| 主权项 |
1. A method for positioning a mobile terminal, comprising:
in response to a first request message transmitted by a Core Network, CN, for positioning of a mobile terminal, transmitting, by a Radio Network Controller, RNC, to a Node B, serving the mobile terminal a second request message for retrieving a number of identifiers of cell portions associated with the mobile terminal in a cell division result, wherein the cell division result comprises a plurality of cell portions obtained by dividing the cell where the mobile terminal is currently located, according to a coverage pattern of an antennas group of the Node B; receiving, by the RNC, an identifier of at least one cell portion associated with the mobile terminal sent by the Node B; and transmitting, by the RNC, to a Stand-alone Serving Mobile Location Center, SAS, a Position Calculation Application Part, PCAP, calculation request message carrying the identifier of the at least one cell portion, to enable the SAS to determine geographical location information of the mobile terminal according to the identifier of the at least one cell portion. |
