CN104215969A - Method and device for transmitting positioning auxiliary information - Google Patents
Method and device for transmitting positioning auxiliary information Download PDFInfo
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- CN104215969A CN104215969A CN201410424696.0A CN201410424696A CN104215969A CN 104215969 A CN104215969 A CN 104215969A CN 201410424696 A CN201410424696 A CN 201410424696A CN 104215969 A CN104215969 A CN 104215969A
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- auxiliary information
- positioning auxiliary
- location marker
- station location
- positioning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/07—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
Abstract
The invention discloses a method and a device for transmitting positioning auxiliary information and belongs to the field of data satellite broadcasting and navigation and positioning. The method includes: receiving the positioning auxiliary information transmitted by a base station; allocating the location identification corresponding to the positioning auxiliary information; generating a positioning data packet, wherein the positioning data packet at least comprises the positioning auxiliary information and the location identification; storing the business identification and the location identification of the positioning data packet in a business location table; inserting the positioning data packet into a data stream according to the location identification corresponding to the positioning auxiliary information, allocating the location identification corresponding to the business location table, and inserting the business location table into the data stream according to the location identification corresponding to the business location table; broadcasting the data stream to each terminal using a positioning service through a satellite fast broadcasting channel. The device comprises a receiving module, a first allocating module, a generating module, a first storing module, a first inserting module and a transmitting module. The method and the device are large in positioning auxiliary information transmitting range and low in cost.
Description
Technical field
The present invention relates to data satellite broadcast and navigator fix field, particularly a kind of method and device sending positioning auxiliary information.
Background technology
At present, increasing user uses positioning service, and in positioning service, base station obtains locating information and locating information sent to the terminal using positioning service.In existing positioning service, inevitably there is error in the locating information that base station obtains, the levels of precision of positioning service is lower.
In order to improve the levels of precision of positioning service, base station calculates the positioning auxiliary information for calibration locating information according to locating information, and the positioning auxiliary information calculated is sent to the terminal of each use positioning service in this base station range by this base station.The positioning auxiliary information calculated also is sent to each base station providing positioning service by this base station.Each terminal providing the base station of positioning service to be sent to by positioning auxiliary information to be positioned at each use positioning service of respective coverage.
Because the coverage of base station is very little, the equipment price of base station is very high, so send positioning auxiliary information to the terminal using positioning service by base station, can cause sending being limited in scope of positioning auxiliary information, and cost is very high.
Summary of the invention
In order to expand the scope sending positioning auxiliary information and the cost reducing transmission positioning auxiliary information, the invention provides a kind of method and the device that send positioning auxiliary information.Described technical scheme is as follows:
Send a method for positioning auxiliary information, described method comprises:
Receive the positioning auxiliary information that base station sends;
Distribute the station location marker that described positioning auxiliary information is corresponding;
Generate locator data bag, in described locator data bag, at least comprise described positioning auxiliary information and described station location marker;
The service identification of described locator data bag and described station location marker are stored in the table of business position;
The station location marker corresponding according to described positioning auxiliary information, by in described locator data bag data inserting stream, and station location marker corresponding to described business position table distributing, described business position table inserts in described data stream by the station location marker corresponding according to described business position table;
By terminal broadcast from the quick broadcast channel of satellite to each use positioning service described in data stream, get described positioning auxiliary information to make the terminal of described each use positioning service rapidly according to described business position table.
Send a device for positioning auxiliary information, described device comprises:
Receiver module, for receiving the positioning auxiliary information that base station sends;
First distribution module, for station location marker corresponding to described positioning auxiliary information distributing;
Generation module, for generating locator data bag, at least comprises described positioning auxiliary information and described station location marker in described locator data bag;
First memory module, for being stored in the table of business position by the service identification of described locator data bag and described station location marker;
First insert module, for the station location marker corresponding according to described positioning auxiliary information, by in described locator data bag data inserting stream, and station location marker corresponding to described business position table distributing, described business position table inserts in described data stream by the station location marker corresponding according to described business position table;
Broadcast module, for by terminal broadcast from the quick broadcast channel of satellite to each use positioning service described in data stream, get described positioning auxiliary information to make the terminal of described each use positioning service rapidly according to described business position table.
In embodiments of the present invention, the positioning auxiliary information that base station sends is received; Distribute the station location marker that positioning auxiliary information is corresponding; Generate locator data bag, in this locator data bag, at least comprise positioning auxiliary information and station location marker; The service identification of locator data bag and station location marker are stored in the table of business position; The station location marker corresponding according to positioning auxiliary information, by locator data bag data inserting stream, the station location marker that distribution services position table is corresponding, business position is shown in data inserting stream by the station location marker corresponding according to business position table; By the quick broadcast channel of satellite this data stream of terminal broadcast to each use positioning service.Due to the locator data bag comprising positioning auxiliary information is inserted in data stream, and by the quick broadcast channel of satellite this data stream of terminal broadcast to each use positioning service, so expand the scope sending positioning auxiliary information, and reduce the cost sending positioning auxiliary information.
Accompanying drawing explanation
Fig. 1 is a kind of method flow diagram sending positioning auxiliary information that the embodiment of the present invention 1 provides;
Fig. 2 is a kind of method flow diagram sending positioning auxiliary information that the embodiment of the present invention 2 provides;
Fig. 3 is a kind of apparatus structure schematic diagram sending positioning auxiliary information that the embodiment of the present invention 3 provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
See Fig. 1, embodiments provide a kind of method sending positioning auxiliary information, comprising:
Step 101: receive the positioning auxiliary information that base station sends;
Step 102: distribute the station location marker that positioning auxiliary information is corresponding;
Step 103: generate locator data bag, at least comprises positioning auxiliary information and this station location marker in this locator data bag;
Step 104: the service identification of this locator data bag and station location marker are stored in the table of business position;
Step 105: the station location marker corresponding according to positioning auxiliary information, by locator data bag data inserting stream, and the station location marker that distribution services position table is corresponding, business position is shown in data inserting stream by the station location marker corresponding according to business position table;
Step 106: by the quick broadcast channel of satellite this data stream of terminal broadcast to each use positioning service, gets positioning auxiliary information to make the terminal of each use positioning service rapidly according to business position table.
Preferably, generate locator data bag, comprising:
Generate the frame originating point information that positioning auxiliary information is corresponding, in this frame originating point information, at least comprise station location marker corresponding to positioning auxiliary information;
According to the frame structure of packet, this frame originating point information and positioning auxiliary information are inserted in packet;
Using this packet as locator data bag.
Further, the method also comprises:
Use double secret key positioning auxiliary information to be encrypted, obtain the positioning auxiliary information encrypted, then perform the operation generating locator data bag.
Further, the method also comprises:
The service identification of locator data bag and the key information of key are stored in condition data reception table;
The station location marker that distributive condition data receiver table is corresponding;
Station location marker corresponding to table is received according to condition data, condition data reception table is inserted in data stream, from data stream, obtains condition data reception table to make the terminal of each use positioning service and be decrypted according to the positioning auxiliary information of key information to encryption that condition data reception table comprises.
In embodiments of the present invention, the positioning auxiliary information that base station sends is received; Distribute the station location marker that positioning auxiliary information is corresponding; Generate locator data bag, in this locator data bag, at least comprise positioning auxiliary information and station location marker; The service identification of locator data bag and station location marker are stored in the table of business position; The station location marker corresponding according to positioning auxiliary information, by locator data bag data inserting stream, the station location marker that distribution services position table is corresponding, business position is shown in data inserting stream by the station location marker corresponding according to business position table; By the quick broadcast channel of satellite this data stream of terminal broadcast to each use positioning service.Due to the locator data bag comprising positioning auxiliary information is inserted in data stream, and by the quick broadcast channel of satellite this data stream of terminal broadcast to each use positioning service, so expand the scope sending positioning auxiliary information, and reduce the cost sending positioning auxiliary information.
Embodiment 2
See Fig. 2, embodiments provide a kind of method sending positioning auxiliary information, comprising:
Step 201: receive the positioning auxiliary information that base station sends;
The information such as wherein, positioning auxiliary information comprises the levels of precision of signal transmitting base station, the height of signal transmitting base station, the latitude at signal transmitting base station place.The locating information that positioning auxiliary information is used for signal transmitting base station obtains carries out calibration, to reduce the error of locating information.Positioning auxiliary information, after calculating positioning auxiliary information, is sent to satellite by signal transmitting base station.
Such as, the positioning auxiliary information S1 that base station sends is received.
Step 202: distribute the station location marker that this positioning auxiliary information is corresponding;
Wherein, follow-up by positioning auxiliary information data inserting stream time, station location marker is used for the residing in a stream position of mark location supplementary.
Wherein, can station location marker corresponding to this positioning auxiliary information of Random assignment.Preferably, for the ease of using the terminal of positioning service can get this positioning auxiliary information rapidly from data stream, be the station location marker that this positioning auxiliary information Allotment Serial Number is less, to make the reference position of position near data stream of this positioning auxiliary information.Such as, the station location marker distributing this positioning auxiliary information is 0003, then this positioning auxiliary information comes the 3rd in a stream.
Such as, distributing station location marker corresponding to this positioning auxiliary information S1 is 0003.
Wherein, positioning auxiliary information is received by the operation of above-mentioned steps 201 and 202, and for positioning auxiliary information distribution locations mark after, can also as follows 203 operation positioning auxiliary information is encrypted, with increase transmission positioning auxiliary information security.
Step 203: use this positioning auxiliary information of double secret key to be encrypted, obtain the positioning auxiliary information encrypted;
Such as, use key K ey1 to be encrypted this positioning auxiliary information S1, obtain the positioning auxiliary information S2 encrypted.
Wherein, after being encrypted positioning auxiliary information by the operation of above-mentioned steps 203, the operation of 204 generates locator data bag as follows.
Step 204: generate locator data bag, at least comprises the station location marker that this positioning auxiliary information is corresponding with this positioning auxiliary information in this locator data bag;
Wherein, the data length of positioning auxiliary information is 1200 bits.The data length of packet is 1506 bits.Packet comprises frame originating point information and body data two parts.Wherein, the data length that frame originating point information takies is 32 bits.Except 32 bits that frame originating point information takies, also remain 1474 bits in packet, be greater than 1200 bits, therefore packet can carry positioning auxiliary information.
This step is specially, and generates the frame originating point information of this positioning auxiliary information, at least comprises station location marker corresponding to this positioning auxiliary information in this frame originating point information.According to the frame structure of packet, the positioning auxiliary information of this frame originating point information and encryption is inserted in this packet, using this packet as locator data bag.
Wherein, sync byte, transmission error code instruction, PU Payload Unit start indicator, transmission preferences and scrambling control etc. are also comprised in frame originating point information.Wherein, sync byte is used to indicate the beginning of this locator data bag, transmission error code instruction is used to indicate this locator data bag and whether there is error code, PU Payload Unit start indicator is used to indicate the reference position of positioning auxiliary information, transmission preferences is used to indicate relative to this locator data bag of other packets whether prioritised transmission, and whether scrambling controls to be used to indicate the positioning auxiliary information that this locator data handbag draws together encrypted.
Wherein, after being inserted in packet by frame originating point information and this positioning auxiliary information, bit still idle in packet is all set to zero.
Such as, generate the frame originating point information T1 of this positioning auxiliary information S1, in this frame originating point information T1, at least comprise the station location marker 0003 that this positioning auxiliary information S1 is corresponding.According to the frame structure of packet as shown in table 1, the positioning auxiliary information S2 of this frame originating point information T1 and encryption is inserted in this packet, using this packet as locator data bag P1.
Table 1
Wherein, after generating locator data bag by the operation of above-mentioned steps 204, the operation of 205 generates service digit and puts table as follows.
Step 205: the service identification of this locator data bag and station location marker corresponding to positioning auxiliary information are stored in the table of business position;
Wherein, the service identification of locator data bag can be the title or identifier etc. of locator data bag, and such as, the service identification of locator data bag can be " location " etc.The service identification of each packet and the corresponding relation of station location marker is stored in the table of business position.
Such as, the service identification " location " of this locator data bag P1 and station location marker 0003 corresponding to positioning auxiliary information S1 are stored in business position table as shown in table 2.
Table 2
| Service identification | Station location marker |
| Video | 0013 |
| Location | 0003 |
| …… | …… |
Wherein, after being encrypted by the operation use double secret key positioning auxiliary information of step 203, the operation of 206 generates condition data reception table as follows.
Step 206: the service identification of this locator data bag and the key information of key are stored in condition data reception table;
Wherein, the key information of key is for generating the relevant information required for this key.Terminal can generate this key according to the key information of key.Each service identification of encrypted packet and the corresponding relation of key information is stored in condition data reception table.
Such as, the service identification " location " of this locator data bag P1 and the key information K1 of key K ey1 are stored in condition data reception table as shown in table 3.
Table 3
| Service identification | Key information |
| Location | K1 |
| …… | …… |
Wherein, after obtaining locator data bag, business position table and condition data reception table by the operation of above-mentioned steps 201-206, locator data bag, business position table and condition data reception table are inserted in data stream by the operation of 207 as follows.
Step 207: locator data bag, business position table and condition data reception table are inserted in data stream;
Wherein, data stream is the data stream of satellite to terminal broadcast data, and data stream is made up of continuous print packet.
This step is specially, the station location marker corresponding according to positioning auxiliary information, locator data bag is inserted into the position of station location marker instruction corresponding to positioning auxiliary information in data stream.The station location marker that distribution services position table is corresponding, the station location marker corresponding according to business position table, is inserted into the position of the station location marker instruction that business position table is corresponding in data stream by business position table.The station location marker that distributive condition data receiver table is corresponding, receives station location marker corresponding to table according to condition data, condition data reception table is inserted into the position of station location marker instruction corresponding to data stream conditional data receiver table.
Such as, the station location marker 0003 corresponding according to positioning auxiliary information S1, is inserted into the position that station location marker 0003 that in data stream Str1, positioning auxiliary information S1 is corresponding indicates by locator data bag P1.Distribute the station location marker 0001 of business position table correspondence as shown in table 2, the station location marker 0001 corresponding according to business position table, the position that the station location marker 0001 business position table being inserted into table correspondence in business position in data stream Str1 indicates.Distribute condition data as shown in table 3 and receive station location marker 0002 corresponding to table, receive station location marker 0002 corresponding to table according to condition data, condition data reception table is inserted into the position that station location marker 0002 corresponding to data stream Str1 conditional data receiver table indicates.
Further, in order to ensure to use positioning service terminal can high-speed receiving to locator data bag, can insert a predetermined number locator data bag p.s. in data stream, predetermined number can be 4 etc.Also for ease of and ensure to use the terminal of positioning service can receive business position table and locator data reception table, can insert a business position table and a condition data reception is shown every Preset Time in data stream, Preset Time can be 50 milliseconds etc.
Wherein, after being inserted in data stream by the operation of above-mentioned steps 207 by locator data bag, business position table and condition data reception table, data flow is given the terminal of each use positioning service by the operation of 208 as follows.
Step 208: by the quick broadcast channel of satellite this data stream of terminal broadcast to each use positioning service, gets positioning auxiliary information to make the terminal of each use positioning service rapidly according to business position table.
Wherein, the quick broadcast channel of passing of satelline satellite to the terminal broadcast of each use positioning service with the data stream of positioning auxiliary information, the terminal of each use positioning service on the even whole earth on a large scale so can be made to receive positioning auxiliary information, so expand the range of transmission sending positioning auxiliary information, reduce the cost sending positioning auxiliary information simultaneously.
Such as, by the terminal broadcast data stream Str1 of the quick broadcast channel of satellite to each use positioning service, get positioning auxiliary information S1 to make the terminal of each use positioning service rapidly according to business position as shown in table 2 table.
Wherein, for the terminal of each use positioning service, when this terminal receives the data stream of satellite transmission, from data stream, get business position table and condition data table.According to the corresponding relation of service identification and station location marker in the table of business position, obtain the station location marker that positioning service is corresponding.The station location marker corresponding according to positioning service, gets locator data bag from data stream.Scrambled control word in the frame originating point information of detection and location packet, if the positioning auxiliary information that this scrambled control word indicates this locator data handbag to draw together is the positioning auxiliary information of encryption, then according to the service identification of locator data bag, from condition data reception table, obtain corresponding key information.Generate key according to the key information obtained, the positioning auxiliary information according to the key pair encryption generated is decrypted, and obtains positioning auxiliary information.Then just can correct locating information according to positioning auxiliary information.
In embodiments of the present invention, the positioning auxiliary information that base station sends is received; Distribute the station location marker that positioning auxiliary information is corresponding; Generate locator data bag, in this locator data bag, at least comprise positioning auxiliary information and station location marker; The service identification of locator data bag and station location marker are stored in the table of business position; The station location marker corresponding according to positioning auxiliary information, by locator data bag data inserting stream, the station location marker that distribution services position table is corresponding, business position is shown in data inserting stream by the station location marker corresponding according to business position table; By the quick broadcast channel of satellite this data stream of terminal broadcast to each use positioning service.Due to the locator data bag comprising positioning auxiliary information is inserted in data stream, and by the quick broadcast channel of satellite this data stream of terminal broadcast to each use positioning service, so expand the scope sending positioning auxiliary information, and reduce the cost sending positioning auxiliary information.
Embodiment 3
See Fig. 3, embodiments provide a kind of device sending positioning auxiliary information, comprising:
Receiver module 301, for receiving the positioning auxiliary information that base station sends;
First distribution module 302, for station location marker corresponding to positioning auxiliary information distributing;
Generation module 303, for generating locator data bag, at least comprises positioning auxiliary information and station location marker in this locator data bag;
First memory module 304, for being stored in the table of business position by the service identification of locator data bag and station location marker;
First insert module 305, for the station location marker corresponding according to positioning auxiliary information, by in locator data bag data inserting stream, and the station location marker that distribution services position table is corresponding, business position is shown in data inserting stream by the station location marker corresponding according to business position table;
Broadcast module 306, for by the quick broadcast channel of satellite this data stream of terminal broadcast to each use positioning service, gets positioning auxiliary information to make the terminal of each use positioning service according to business position table rapidly.
Wherein, generation module 303 comprises:
Generation unit, for generating frame originating point information corresponding to positioning auxiliary information, at least comprises station location marker corresponding to positioning auxiliary information in this frame originating point information;
Plug-in unit, for the frame structure according to packet, is inserted in packet by frame originating point information and positioning auxiliary information;
As unit, for using packet as locator data bag.
Further, this device also comprises:
Encrypting module, for using double secret key positioning auxiliary information to be encrypted, obtaining the positioning auxiliary information encrypted, then performing the operation generating locator data bag.
Further, this device also comprises:
Second memory module, for being stored in condition data reception table by the service identification of locator data bag and the key information of key;
Second distribution module, for the station location marker that distributive condition data receiver table is corresponding;
Second insert module, for receiving station location marker corresponding to table according to condition data, condition data reception table is inserted in data stream, from data stream, obtains condition data reception table to make the terminal of each use positioning service and be decrypted according to the positioning auxiliary information of key information to encryption that condition data reception table comprises.
In embodiments of the present invention, the positioning auxiliary information that base station sends is received; Distribute the station location marker that positioning auxiliary information is corresponding; Generate locator data bag, in this locator data bag, at least comprise positioning auxiliary information and station location marker; The service identification of locator data bag and station location marker are stored in the table of business position; The station location marker corresponding according to positioning auxiliary information, by locator data bag data inserting stream, the station location marker that distribution services position table is corresponding, business position is shown in data inserting stream by the station location marker corresponding according to business position table; By the quick broadcast channel of satellite this data stream of terminal broadcast to each use positioning service.Due to the locator data bag comprising positioning auxiliary information is inserted in data stream, and by the quick broadcast channel of satellite this data stream of terminal broadcast to each use positioning service, so expand the scope sending positioning auxiliary information, and reduce the cost sending positioning auxiliary information.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. send a method for positioning auxiliary information, it is characterized in that, described method comprises:
Receive the positioning auxiliary information that base station sends;
Distribute the station location marker that described positioning auxiliary information is corresponding;
Generate locator data bag, in described locator data bag, at least comprise described positioning auxiliary information and described station location marker;
The service identification of described locator data bag and described station location marker are stored in the table of business position;
The station location marker corresponding according to described positioning auxiliary information, by in described locator data bag data inserting stream, and station location marker corresponding to described business position table distributing, described business position table inserts in described data stream by the station location marker corresponding according to described business position table;
By terminal broadcast from the quick broadcast channel of satellite to each use positioning service described in data stream, get described positioning auxiliary information to make the terminal of described each use positioning service rapidly according to described business position table.
2. the method for claim 1, is characterized in that, described generation locator data bag, comprising:
Generate the frame originating point information that described positioning auxiliary information is corresponding, in described frame originating point information, at least comprise station location marker corresponding to described positioning auxiliary information;
According to the frame structure of packet, described frame originating point information and described positioning auxiliary information are inserted in described packet;
Using described packet as locator data bag.
3. the method for claim 1, is characterized in that, described method also comprises:
Use positioning auxiliary information described in double secret key to be encrypted, obtain the positioning auxiliary information encrypted, then perform the operation of described generation locator data bag.
4. method as claimed in claim 3, it is characterized in that, described method also comprises:
The service identification of described locator data bag and the key information of described key are stored in condition data reception table;
Distribute the station location marker that described condition data reception table is corresponding;
Station location marker corresponding to table is received according to described condition data, described condition data reception table is inserted in described data stream, from described data stream, obtains described condition data reception table to make the terminal of described each use positioning service and be decrypted according to the positioning auxiliary information of key information to described encryption that described condition data reception table comprises.
5. send a device for positioning auxiliary information, it is characterized in that, described device comprises:
Receiver module, for receiving the positioning auxiliary information that base station sends;
First distribution module, for station location marker corresponding to described positioning auxiliary information distributing;
Generation module, for generating locator data bag, at least comprises described positioning auxiliary information and described station location marker in described locator data bag;
First memory module, for being stored in the table of business position by the service identification of described locator data bag and described station location marker;
First insert module, for the station location marker corresponding according to described positioning auxiliary information, by in described locator data bag data inserting stream, and station location marker corresponding to described business position table distributing, described business position table inserts in described data stream by the station location marker corresponding according to described business position table;
Broadcast module, for by terminal broadcast from the quick broadcast channel of satellite to each use positioning service described in data stream, get described positioning auxiliary information to make the terminal of described each use positioning service rapidly according to described business position table.
6. device as claimed in claim 5, it is characterized in that, described generation module comprises:
Generation unit, for generating frame originating point information corresponding to described positioning auxiliary information, at least comprises station location marker corresponding to described positioning auxiliary information in described frame originating point information;
Plug-in unit, for the frame structure according to packet, is inserted in described packet by described frame originating point information and described positioning auxiliary information;
As unit, for using described packet as locator data bag.
7. device as claimed in claim 5, it is characterized in that, described device also comprises:
Encrypting module, for using positioning auxiliary information described in double secret key to be encrypted, obtaining the positioning auxiliary information encrypted, then performing the operation of described generation locator data bag.
8. device as claimed in claim 7, it is characterized in that, described device also comprises:
Second memory module, for being stored in condition data reception table by the service identification of described locator data bag and the key information of described key;
Second distribution module, for station location marker corresponding to described condition data reception table distributing;
Second insert module, for receiving station location marker corresponding to table according to described condition data, described condition data reception table is inserted in described data stream, from described data stream, obtains described condition data reception table to make the terminal of described each use positioning service and be decrypted according to the positioning auxiliary information of key information to described encryption that described condition data reception table comprises.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424696.0A CN104215969B (en) | 2014-08-26 | A kind of method and device sending positioning auxiliary information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424696.0A CN104215969B (en) | 2014-08-26 | A kind of method and device sending positioning auxiliary information |
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| Publication Number | Publication Date |
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| CN104215969A true CN104215969A (en) | 2014-12-17 |
| CN104215969B CN104215969B (en) | 2017-01-04 |
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| CN112449301A (en) * | 2019-08-14 | 2021-03-05 | 大唐移动通信设备有限公司 | Broadcast method of positioning auxiliary information, positioning server and RAN node |
| CN112449301B (en) * | 2019-08-14 | 2022-07-12 | 大唐移动通信设备有限公司 | Broadcast method of positioning auxiliary information, positioning server and RAN node |
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