阅读说明：本技术 一种数据传输方法、服务器及基站 (Data transmission method, server and base station ) 是由 李晨琬 蔺波 薛剑韬 于 2017-09-28 设计创作，主要内容包括：本申请涉及定位技术领域，具体涉及一种数据传输方法、服务器及基站。该方法包括基站接收服务器发送的第一消息，所述第一消息中携带有包含定位辅助数据的第一数据包；所述基站将所述第一消息内的第一数据包广播至终端，以使得所述终端根据所述定位辅助数据校正计算所述终端的定位信息。本申请中将发送给终端的定位辅助数据进行拆分，拆分成多个第一消息进行发送，从而可以充分利用频谱资源，另外，拆分的方式能够保证定位辅助数据能够完整的发送到终端，从而完成终端对位置的校正。(The present application relates to the field of positioning technologies, and in particular, to a data transmission method, a server, and a base station. The method comprises the steps that a base station receives a first message sent by a server, wherein the first message carries a first data packet containing positioning auxiliary data; and the base station broadcasts the first data packet in the first message to a terminal so that the terminal can correct and calculate the positioning information of the terminal according to the positioning auxiliary data. In addition, the splitting mode can ensure that the positioning auxiliary data can be completely sent to the terminal, and therefore the position of the terminal is corrected.)

A method of data transmission, comprising:

a base station receives a first message sent by a server, wherein the first message carries a first data packet containing positioning auxiliary data;

and the base station broadcasts the first data packet in the first message to a terminal so that the terminal calculates the positioning information of the terminal according to the positioning auxiliary data.

The data transmission method according to claim 1, wherein the first message further carries a data type of the positioning assistance data in the first message, and the data type is used to distinguish different categories of the positioning assistance data.

The data transmission method according to claim 1 or 2, wherein the first message carries a first identifier, and the first identifier is used for identifying a first data packet in the first message.

The data transmission method according to claim 3, wherein the data type is determined according to a Global Navigation Satellite System (GNSS) type; or the like, or, alternatively,

the data type is determined according to at least one of a transmission frequency band and a positioning method and the GNSS type; or the like, or, alternatively,

the data type is determined according to different first parameters.

The data transmission method according to claim 4, wherein the first message further includes a null indication, and the first message including the null indication does not have the positioning assistance data.

The data transmission method according to claim 5, wherein the first message further includes a retransmission indication, and the retransmission indication indicates that the first message is a data type retransmission message, and the method further includes:

the base station retransmits a first message of a preset data type using a first message without the positioning assistance data.

The data transmission method according to any one of claims 4 to 6, wherein version information of a standard used by the positioning assistance data is further included in the first message.

The data transmission method of claim 7, further comprising:

the base station broadcasts at least one of an end packet indication, the first identifier, the positioning rule, and version information of a standard used by the positioning assistance data to a terminal.

The data transmission method according to any one of claims 1 to 7, characterized in that the positioning assistance data comprises common assistance data and GNSS assistance data, the GNSS assistance data corresponding to a data type of the positioning assistance data; or the like, or, alternatively,

the positioning assistance data comprises common assistance data and satellite-based augmentation system, SBAS, assistance data in GNSS assistance data, the SBAS assistance data in the GNSS assistance data corresponding to a data type of the positioning assistance data.

The data transmission method according to any one of claims 3 to 9, wherein the broadcasting, by the base station, the first data packet in the first message to the terminal comprises:

the base station determines a visual field of the first message, wherein the visual field comprises a header of a first data packet in the first message, and the header comprises the first identifier and the data type, or the header comprises the first identifier, a subsequent first identifier of the first identifier and the data type;

and the base station broadcasts the first data packet in the first message to the terminal through system information block SIB broadcasting.

The data transmission method according to any one of claims 3 to 10, wherein the first message further includes a second data packet, and the broadcasting, by the base station, the first data packet in the first message to the terminal includes:

the base station determines a visual field of the first message, wherein the visual field comprises a second data packet, and the second data packet comprises the first identifier and the data type or the second data packet comprises the first identifier, a first identifier subsequent to the first identifier and the data type; the second data packet is used for indicating to the first data packet;

and the base station broadcasts the first data packet and the second data packet in the first message to the terminal through SIB broadcasting.

The data transmission method of claim 11, wherein the second data comprises scheduling information indicating resource locations of the first data packets.

The data transmission method according to any one of claims 1 to 12, wherein before the base station receives the first message sent by the server, the method further comprises:

a base station receives a first request message sent by a server;

and the base station sends a first response message to the server according to the first request message, wherein the first response message carries the configuration information of a System Information Block (SIB) or a system information block (SI), and the configuration information of the SIB or the SI comprises the size of the sent data volume and/or the transmission period.

The data transmission method according to claim 13, wherein the first request message carries a rate or a data size of the positioning assistance data, and the sending, by the base station, the first response message to the server according to the first request message comprises:

the base station determines the configuration information of SIB or SI according to the speed or data volume of the positioning auxiliary data;

and the base station sends the first response message to the server.

A method of data transmission, comprising:

a server generates a first message, wherein the first message carries a first data packet containing positioning auxiliary data;

and the server sends the first message to a base station, so that the base station broadcasts a first data packet in the first message to a terminal, and the terminal calculates the positioning information of the terminal according to the positioning auxiliary data.

The data transmission method according to claim 14, wherein the first message carries a first identifier, and the first identifier is used to identify a first data packet in the first message.

The data transmission method according to claim 15, wherein the first message further carries a data type of the positioning assistance data in the first message, and the data type is used to distinguish different categories of the positioning assistance data.

The data transmission method according to claim 17, wherein the data type is a data type determined according to a global navigation satellite system GNSS type; or the like, or, alternatively,

the data type is determined according to at least one of a transmission frequency band and a positioning method and the GNSS type; or the like, or, alternatively,

the data type is determined according to different first parameters.

The data transmission method according to any one of claims 15 to 18, wherein before the server sends the first message to a base station, the method further comprises:

the server encrypts the first message;

the server sending the first message to a base station comprises:

and the server sends the encrypted first message to a base station.

The data transmission method according to any one of claims 15 to 19, characterized in that the method further comprises:

the server collecting positioning assistance data;

the server sends a first request message to a base station, wherein the first request message is used for acquiring the speed or the data volume of the positioning auxiliary data sent by the base station;

the server receives a first response message sent by a base station, wherein the first response message carries configuration information of a System Information Block (SIB) or a system information block (SI), and the configuration information of the SIB or the SI comprises sending data volume and/or transmission period.

A base station, comprising:

the system comprises a receiving and sending module, a processing module and a processing module, wherein the receiving and sending module is used for receiving a first message sent by a server, and the first message carries a first data packet containing positioning auxiliary data;

and the broadcasting module is used for broadcasting the first data packet in the first message to a terminal so that the terminal calculates the positioning information of the terminal according to the positioning auxiliary data.

The base station of claim 21, wherein the first message further carries a data type of the positioning assistance data in the first message, and the data type is used to distinguish different categories of the positioning assistance data.

The base station according to claim 21 or 22, wherein the first message carries a first identifier, and the first identifier is used for identifying a first data packet in the first message.

The base station of claim 23, wherein the data type is a data type determined according to a Global Navigation Satellite System (GNSS) type; or the like, or, alternatively,

the data type is determined according to at least one of a transmission frequency band and a positioning method and the GNSS type; or the like, or, alternatively,

the data type is determined according to different first parameters.

The base station of claim 24, wherein the first message further comprises a null indication, and wherein the first message comprising the null indication does not have the positioning assistance data.

The base station of claim 25, wherein the first message further includes a retransmission indication, and wherein the retransmission indication indicates that the first message is a data type retransmission message, and wherein the broadcast module is further configured to:

retransmitting a first message of a preset data type with a first message not having the positioning assistance data.

Base station according to any of claims 23 to 26, characterized in that version information of the used standard of the positioning assistance data is further comprised in the first message.

The base station of claim 27, wherein the broadcasting module is further configured to:

broadcasting at least one of an end packet indication, the first identity, the positioning fix and version information of a standard used by the positioning assistance data to a terminal.

Base station according to any of claims 21 to 26, wherein said positioning assistance data comprises common assistance data and GNSS assistance data, said GNSS assistance data corresponding to a data type of said positioning assistance data; or the like, or, alternatively,

the positioning assistance data comprises common assistance data and satellite-based augmentation system, SBAS, assistance data in GNSS assistance data, the SBAS assistance data in the GNSS assistance data corresponding to a data type of the positioning assistance data.

The base station according to any of claims 24 to 29, wherein the base station further comprises a processing module configured to determine a visual field of the first message, wherein the visual field comprises a header of a first data packet in the first message, wherein the header comprises the first identifier and the data type, or wherein the header comprises the first identifier, a subsequent first identifier of the first identifier, and the data type;

the broadcast module is specifically configured to broadcast the first data packet in the first message to the terminal through SIB broadcasting.

The base station according to any of claims 24 to 29, wherein said first message further comprises a second data packet, said base station further comprising a processing module for determining a visual field of said first message, said visual field comprising a second data packet, said second data packet comprising said first identity and said data type or said second data packet comprising said first identity, a subsequent first identity to said first identity and said data type; the second data packet is used for indicating to the first data packet;

the broadcast module is specifically configured to broadcast the first data packet and the second data packet in the first message to the terminal through SIB broadcasting.

The base station of claim 30, wherein the second data comprises scheduling information indicating resource locations of the first data packet.

The base station according to any of claims 22 to 32, wherein the transceiver module is further configured to receive a first request message sent by a server;

the transceiver module is further configured to send a first response message to the server according to the first request message, where the first response message carries configuration information of a system information block SIB or SI, and the configuration information of the SIB or SI includes a size of a data volume to be sent and/or a transmission period.

The base station of claim 33, wherein the first request message carries a rate or a data size of positioning assistance data, and wherein the processing module is further configured to:

determining SIB or SI configuration information according to the positioning auxiliary data rate or data size;

the transceiver module is specifically configured to:

and sending the first response message to the server.

A server, comprising:

a processing module, configured to generate a first message, where the first message carries a first data packet containing positioning assistance data;

and the transceiver module is used for sending the first message to a base station, so that the base station broadcasts a first data packet in the first message to a terminal, and the terminal calculates the positioning information of the terminal according to the positioning auxiliary data.

The server according to claim 35, wherein the first message carries a first identifier, and the first identifier is used to identify a first data packet in the first message.

The server according to claim 36, wherein the first message further carries a data type of the positioning assistance data in the first message, and the data type is used for distinguishing different categories of the positioning assistance data.

The server according to claim 37, wherein the data type is a data type determined according to a global navigation satellite system GNSS type; or the like, or, alternatively,

the data type is determined according to at least one of a transmission frequency band and a positioning method and the GNSS type; or the like, or, alternatively,

the data type is determined according to different first parameters.

The server according to any one of claims 35 to 38, wherein the processing module is further configured to encrypt the first message;

the transceiver module is further configured to send the encrypted first message to a base station.

A server according to any one of claims 36 to 39, further comprising:

the acquisition module is used for collecting positioning auxiliary data;

the transceiver module is further configured to send a first request message to a base station, where the first request message is used to obtain a rate or a data size of the positioning assistance data sent by the base station;

the transceiver module is further configured to receive a first response message sent by the base station, where the first response message carries configuration information of a system information block SIB or SI, and the configuration information of the SIB or SI includes a size of a sent data volume and/or a transmission period.

A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the message processing method of any of claims 1-14 or the message processing method of any of claims 15-20.

A computer program product containing instructions which, when run on a computer, cause the computer to perform the message processing method of any of claims 1-14 or the message processing method of any of claims 15-20.