Mobile terminal positioning method, apparatus, device, and server

A mobile terminal positioning device, comprising:

• a transceiver configured to:
• report a network identifier of a current network to a server, wherein the current network is a network with which the mobile terminal has currently registered;
• receive auxiliary search information delivered by the server, wherein the auxiliary search information comprises information about another wireless network that is located in a same area as the current network, and the auxiliary search information has been screened according to a preset rule to filter out information that does not aid in positioning;
• search for network identifiers of different wireless networks according to the auxiliary search information;
• a processor configured to obtain auxiliary positioning information comprising the network identifiers of the different wireless networks found by the transceiver;
• and
• wherein the transceiver is further configured to:
• report the auxiliary positioning information to the server for obtaining current location information of the mobile terminal according to the auxiliary positioning information, and
• receive the current location information delivered by the server, wherein the current location information is determined according to an intersectant area obtained by superimposing coverage areas of the different wireless networks.

A mobile terminal positioning server, comprising:

• a transceiver configured to:
• receive a network identifier that is of a current network and that is reported by a mobile terminal, wherein the current network is a network with which the mobile terminal has currently registered;
• deliver screened auxiliary search information to the mobile terminal, so that the mobile terminal performs network search according to the screened auxiliary search information to obtain auxiliary positioning information;
• and
• receive the auxiliary positioning information reported by the mobile terminal, wherein the auxiliary positioning information comprises network identifiers of different wireless networks found by the mobile terminal;
• a processor configured to:
• find, in a preset database according to the network identifier of the current network, at least one other wireless network that is located in a same area as the current network, and
• screen auxiliary search information according to a preset rule to filter out information that does not aid in positioning and thereby produce the screened auxiliary search information, wherein the auxiliary search information comprises information about the at least one other wireless network;
• obtain corresponding coverage areas of the different wireless networks according to the network identifiers of the different wireless networks, and
• obtain current location information of the mobile terminal according to the coverage areas of the different wireless networks according to an intersectant area obtained by superimposing the coverage areas of the different wireless networks;
• and
• wherein the transceiver is further configured to deliver the current location information to the mobile terminal.