CN110429975A - Satellite switching method and device - Google Patents
Satellite switching method and device Download PDFInfo
- Publication number
- CN110429975A CN110429975A CN201910839208.5A CN201910839208A CN110429975A CN 110429975 A CN110429975 A CN 110429975A CN 201910839208 A CN201910839208 A CN 201910839208A CN 110429975 A CN110429975 A CN 110429975A
- Authority
- CN
- China
- Prior art keywords
- target
- satellite
- gateway station
- information
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
Abstract
This application discloses satellite switching method and devices, wherein, method comprises determining that target satellite gateway station and switching moment, the first information and the second information are sent in the forward direction target satellite gateway station of switching moment, the first information is used to indicate: target satellite gateway station establishes target satellite cell before switching moment, the first information includes: the configuration parameter of satellite cell of the satellite under protosatellite gateway station, second information, target satellite gateway station is used to indicate before switching moment, establish contextual information of the target terminal under target gateway station, and user's carrying is established with target core network；The first instruction information that target satellite gateway station is sent is received before switching moment.Using scheme provided by the present application, noninductive switching can be realized to the user of target terminal.
Description
Technical field
This application involves satellite communication field more particularly to satellite switching methods and device.
Background technique
In satellite communication system, any one satellite is moved along predetermined movement track, during the satellite motion,
It needs to be switched to another satellite gateway station from a satellite gateway station (for convenience, " satellite gateway station " to be claimed
For protosatellite gateway station, " another satellite gateway station " is known as target satellite gateway station).In satellite communication system, satellite
User's carrying is established between gateway station and core net, wherein protosatellite gateway station may belong to same with target satellite gateway station
Core net, it is also possible to belong to different core network, (core net belonging to target satellite gateway station for convenience, is known as mesh
Core net is marked, core net belonging to protosatellite gateway station is known as former core net), i.e., believe in protosatellite gateway station and target satellite
In the case that pass station belongs to the same core net, former core net is identical as target core network.
Currently, in the case that satellite is switched to target satellite gateway station from protosatellite gateway station, target terminal (switching moment
Terminal of the lower satellite in the overlay area on ground) business need to interrupt, the user of target terminal can not be realized and noninductive be cut
It changes.
Summary of the invention
This application provides satellite switching method and devices, it is therefore intended that solves not realizing nothing to the user of target terminal
The problem of sense switching.
To achieve the goals above, this application provides following technical schemes:
This application provides a kind of satellite switching methods, are applied to protosatellite gateway station, comprising:
Determine target satellite gateway station and switching moment；The switching moment is switched to institute from protosatellite gateway station for satellite
At the time of stating target satellite gateway station；
The transmission first information of the target satellite gateway station described in the forward direction of the switching moment and the second information, described first
Information is used to indicate the target satellite gateway station and establishes target satellite cell, the target satellite before the switching moment
Cell is that configuration parameter satellite identical with the configuration parameter of satellite cell of the satellite under the protosatellite gateway station is small
Area；The first information includes: the configuration parameter of satellite cell of the satellite under the protosatellite gateway station；
Second information is used to indicate: the target satellite gateway station establishes target terminal before the switching moment
Contextual information under the target satellite gateway station, and the instruction target satellite gateway station is in the switching moment
Before, user's carrying is established with target core network；The target terminal is that the satellite cell of the satellite under the switching moment exists
The terminal in overlay area on ground；The target core network is core net belonging to the target satellite gateway station；It is described
Second information includes: contextual information of the target terminal under the protosatellite gateway station；
The first instruction information that the target satellite gateway station is sent is received before the switching moment；Described first refers to
Show the switching preparation that information is used to indicate the target satellite gateway station and the satellite is completed in the target core network.
Optionally, the target satellite gateway station described in the forward direction of the switching moment sends the second information, comprising:
It determines the overlay area of each satellite cell of the satellite described under the switching moment respectively on the ground, obtains
It is multiple to refer to overlay area；
During the satellite motion, by the actual coverage area domain of each satellite cell of the satellite on the ground with
At the time of earliest at the time of corresponding tangent with reference to overlay area, as the reference moment；
The moment to the switching moment is referred to from described, sends target to the target satellite gateway station every preset duration
Information；The target information includes: contextual information of the terminal to be processed under the protosatellite gateway station；The end to be processed
End is actual coverage area domain and the corresponding terminal with reference to overlay area in the overlapping region that the preset duration increases newly.
Present invention also provides a kind of satellite switching methods, are applied to target satellite gateway station, comprising:
In the case where receiving the first information, before switching moment, defended according to the first information in the target
Star gateway station establishes target satellite cell；The target satellite cell is configuration parameter and satellite defending under protosatellite gateway station
The identical satellite cell of the configuration parameter of star cell；The first information includes: the satellite under the protosatellite gateway station
Satellite cell configuration parameter；
In the case where receiving the second information, before the switching moment, complete according to second information to mesh
The foundation of contextual information of the terminal under the target satellite gateway station is marked, and establishes user's carrying with target core network；
The target terminal is the terminal in the overlay area of the satellite cell of the satellite under the switching moment on the ground；It is described
Target core network is core net belonging to the target satellite gateway station；Second information includes: the target terminal in institute
State the contextual information under protosatellite gateway station；
In the case where the target core network is different core nets from the former core net, before the switching moment
Third information is sent to the target core network；The third information is used to indicate the target core network, in the switching
The target terminal contextual information off the net in the target core was established before quarter, and before the switching moment with it is described
User's carrying is established between target satellite gateway station；
The first instruction information is sent to the former gateway station before the switching moment, the first instruction information is for referring to
Show that the switching preparation of the satellite is completed in the target satellite gateway station and the target core network.
Optionally, further includes: in the switching moment, establish feeding link with the satellite.
Optionally, after the switching moment and the satellite establish feeding link, further includes:
The uplink and downlink moment synchronous with the target terminal.
Present invention also provides a kind of satellite switching methods, are applied to target core network, and the target core network is target
Core net belonging to satellite gateway station, comprising:
In the case where the target core network is different core nets from former core net, in the feelings for receiving the first information
Under condition, request is sent to the former core net；The request is for requesting the former core net to send target terminal in the original
Contextual information under core net；The first information is used to indicate the target core network before switching moment, described in foundation
The target terminal contextual information off the net in the target core, and before the switching moment, believe with the target satellite
It closes and establishes user's carrying between standing；The target terminal is the area of coverage of the satellite cell of satellite under the switching moment on the ground
Terminal in domain；
In the case where receiving the response message that the former core net is sent, according to the response message, described in foundation
The target terminal contextual information off the net in the target core；The response message includes: the target terminal in the original
Contextual information under core net；
In the case where receiving the first information, built between the target satellite gateway station before the switching moment
Vertical user's carrying.
Present invention also provides a kind of satellite switching devices, are applied to protosatellite gateway station, comprising:
Determining module, for determining target satellite gateway station and switching moment；The switching moment is satellite from protosatellite
At the time of gateway station is switched to the target satellite gateway station；
Sending module sends the first information and second for the target satellite gateway station described in the forward direction of the switching moment
Information, the first information are used to indicate the target satellite gateway station and establish target satellite cell before the switching moment,
The target satellite cell is the configuration parameter of configuration parameter and satellite cell of the satellite under the protosatellite gateway station
Identical satellite cell；The first information includes: the configuration of satellite cell of the satellite under the protosatellite gateway station
Parameter；
Second information is used to indicate: the target satellite gateway station establishes target terminal before the switching moment
Contextual information under the target satellite gateway station, and the instruction target satellite gateway station is in the switching moment
Before, user's carrying is established with target core network；The target terminal is that the satellite cell of the satellite under the switching moment exists
The terminal in overlay area on ground；The target core network is core net belonging to the target satellite gateway station；It is described
Second information includes: contextual information of the target terminal under the protosatellite gateway station；
Receiving module, the first instruction letter sent for receiving the target satellite gateway station before the switching moment
Breath；The first instruction information is used to indicate the target satellite gateway station and the satellite is completed in the target core network
Switching prepares.
Optionally, the sending module sends for the target satellite gateway station described in the forward direction of the switching moment
Two information, comprising:
The sending module, specifically for determining that each satellite cell of the satellite described under the switching moment exists respectively
Overlay area on ground obtains multiple with reference to overlay area；
During the satellite motion, by the actual coverage area domain of each satellite cell of the satellite on the ground with
At the time of earliest at the time of corresponding tangent with reference to overlay area, as the reference moment；
The moment to the switching moment is referred to from described, sends target to the target satellite gateway station every preset duration
Information；The target information includes: contextual information of the terminal to be processed under the protosatellite gateway station；The end to be processed
End is actual coverage area domain and the corresponding terminal with reference to overlay area in the overlapping region that the preset duration increases newly.
Present invention also provides a kind of satellite switching devices, are applied to target satellite gateway station, comprising:
First establishes module, in the case where receiving the first information, before switching moment, according to described first
Information establishes target satellite cell in the target satellite gateway station；The target satellite cell is configuration parameter and satellite in original
The identical satellite cell of the configuration parameter of satellite cell under satellite gateway station；The first information includes: the satellite in institute
State the configuration parameter of the satellite cell under protosatellite gateway station；
Second establishes module, in the case where receiving the second information, before switching moment, according to described second
Information completes the foundation of the contextual information to target terminal under the target satellite gateway station, and builds with target core network
Vertical user's carrying；The target terminal is in the overlay area of the satellite cell of the satellite under the switching moment on the ground
Terminal；The target core network is core net belonging to the target satellite gateway station；Second information includes: the mesh
Mark contextual information of the terminal under the protosatellite gateway station；
First sending module, for the case where it is different core nets that the target core network is from the former core net
Under, third information is sent to the receipts target core network before the switching moment；The third information is used to indicate the mesh
Core net is marked, the target terminal contextual information off the net in the target core is established before the switching moment, and
User's carrying is established between the target satellite gateway station before the switching moment；
Second sending module, it is described for sending the first instruction information to the former gateway station before the switching moment
First instruction information is used to indicate the target satellite gateway station and the switching standard of the satellite is completed in the target core network
It is standby.
Optionally, further includes: third establishes module, for establishing feeding link with the satellite in the switching moment.
Optionally, further includes: synchronization module, for after the switching moment and the satellite establish feeding link,
The uplink and downlink moment synchronous with the target terminal.
Present invention also provides a kind of satellite switching devices, are applied to target core network, comprising:
Sending module, for receiving in the case where the target core network is different core nets from former core net
In the case where the first information, request is sent to the former core net；The request is for requesting the former core net to send mesh
Mark the terminal contextual information off the net in the protokaryon heart；The first information is used to indicate the target core network in switching
Before quarter, the target terminal contextual information off the net in the target core is established, and before the switching moment, with institute
It states and establishes user's carrying between target satellite gateway station；The target terminal is the satellite cell of satellite under the switching moment on ground
The terminal in overlay area on face；
First establishes module, in the case where receiving the response message that the former core net is sent, according to described in
Response message establishes the target terminal contextual information off the net in the target core；The response message includes: described
The target terminal contextual information off the net in the protokaryon heart；
Second establishes module, in the case where receiving the first information, before the switching moment with it is described
User's carrying is established between target satellite gateway station.
It is built under target satellite gateway station before switching moment in satellite switching method and device described herein
Satellite cell identical with the configuration parameter of protosatellite cell (satellite cell of the satellite under protosatellite gateway station) is stood, target is defended
Contextual information of the target terminal under target satellite gateway station has been established in star gateway station, and target terminal has been established in target core network
User's carrying has been established in target core contextual information off the net, also, between target satellite gateway station and target core network, makes
It obtains in the case where switching moment satellite is switched to target satellite gateway station from protosatellite gateway station, target terminal can be by defending
Star is directly communicated with target satellite gateway station, so that being switched to target satellite gateway from protosatellite gateway station in satellite
In the case where standing, the business of target terminal, in turn, can be to target terminal using scheme provided by the present application without interrupting
User realizes noninductive switching.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 belongs to defending for same core net with target satellite gateway station for protosatellite gateway station disclosed in the embodiment of the present application
The schematic diagram of star communication system；
Fig. 2 belongs to defending for different core network with target satellite gateway station for protosatellite gateway station disclosed in the embodiment of the present application
The schematic diagram of star communication system；
Fig. 3 is the interaction flow schematic diagram of each equipment room in a kind of satellite communication system disclosed in the embodiment of the present application；
Fig. 4 is formed for each satellite cell under different moments during satellite motion disclosed in the embodiment of the present application on ground
The schematic diagram of overlay area；
Fig. 5 is the interaction flow schematic diagram of each equipment room in another satellite communication system disclosed in the embodiment of the present application；
Fig. 6 is a kind of structural schematic diagram of satellite switching device disclosed in the embodiment of the present application；
Fig. 7 is the structural schematic diagram of another satellite switching device disclosed in the embodiment of the present application；
Fig. 8 is the structural schematic diagram of another satellite switching device disclosed in the embodiment of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Present inventor has found under study for action, causes to be switched to target satellite gateway from protosatellite gateway station in satellite
In the case where standing, the business of target terminal needs to interrupt, and can not include: to the reason of user of target terminal realization noninductive switching
In the case where satellite is switched to target satellite gateway station from protosatellite gateway station, target terminal needs and target satellite gateway station
Between carry out Signalling exchange, until target terminal is successfully accessed target satellite gateway station, therefore, target terminal is switched to target satellite
Gateway station needs the regular hour, so that during the switching that target terminal is switched to target satellite gateway station, target terminal
Service disconnection, so that the experience of the user of target terminal is bad.
Therefore, in the embodiment of the present application, before in satellite from protosatellite gateway station to the switching of target satellite gateway station, In
Target satellite gateway station is established identical as the configuration parameter of protosatellite cell (satellite cell of the satellite under protosatellite gateway station)
Satellite cell, target satellite gateway station establishes contextual information of the target terminal under target satellite gateway station, target is defended
User's carrying is established between star gateway station and target core network, and, it with former core net is different core nets in target core network
In the case where, the target terminal contextual information off the net in target core is established in target core network, so that in satellite from Yuan Wei
Before star gateway station switches to target satellite gateway station, target terminal communicate with target satellite gateway station required by satellite
Condition is all ready for completing, to realize that the user of target terminal experiences the effect of noninductive switching.
The satellite is introduced from a satellite by taking any one satellite in satellite communication system as an example in the embodiment of the present application station
Gateway station is switched to next satellite gateway station, the interaction flow of each equipment room in satellite communication system.Original is defended individually below
Star gateway station and target satellite gateway station belong to a core net (as shown in Figure 1) and protosatellite gateway station and target satellite
Gateway station belongs to for different core network (as shown in Figure 4), carries out the interaction flow of each equipment room in satellite communication system respectively.
Fig. 3 is the interaction flow schematic diagram of each equipment in a kind of satellite communication system provided by the embodiments of the present application, wherein
Protosatellite gateway station and target satellite gateway station belong to a core net, comprising the following steps:
S301, protosatellite gateway station safeguard satellite list.
In the present embodiment, a satellite gateway station may service multiple satellites, and satellite letter is had recorded in satellite list
Close the information for each satellite that station is serviced, wherein for any one satellite that the satellite gateway station is serviced, satellite list
In include the satellite relevant information.Specifically, the relevant information of any one satellite includes: the satellite cell letter of the satellite
Breath, the satellite satellite cell in end message, the current location of the satellite, ephemeris information, the satellite is according to predetermined movement
When track is run, successively needed for the satellite gateway station of sequence switching, the switching position between two neighboring satellite gateway station, wherein
Switching position is the position that the satellite is switched to next satellite gateway station from a gateway station in two neighboring satellite gateway station
It sets.
S302, the satellite-based relevant information of protosatellite gateway station, determine target satellite gateway station, and determine satellite from
Protosatellite gateway station is switching moment at the time of being switched to target satellite gateway station.
Specifically, in this step, when the ephemeris information Satellite according to satellite is run according to predetermined movement track, successively
The satellite gateway station of required sequence switching, the target satellite gateway that available satellite is switched to needed for protosatellite gateway station
It stands.
Specifically, protosatellite gateway station is according to the current location of satellite, current time, switching position, (satellite is from protosatellite
Gateway station is switched to the position of target satellite gateway station) and satellite movement velocity, can calculate satellite motion to switching
It is switching moment at the time of position.
S303, protosatellite gateway station send the first information and the second information to target satellite gateway station before switching moment.
The first information is used to indicate target satellite gateway station and establishes target satellite cell before switching moment.Wherein, target
Satellite cell is the identical satellite cell of the configuration parameter of satellite cell of the configuration parameter with satellite under protosatellite gateway station.Its
In, configuration parameter include: cellular global identity (E-UTRAN Cell Global Identifier, ECGI), RRC configuration,
SDAP configuration, PDCP configuration, RLC configuration, MAC configuration, PHY configuration etc..The first information includes: satellite under protosatellite gateway station
Satellite cell configuration parameter.
Second information is used to indicate: target satellite gateway station is established target terminal and is believed in target satellite before switching moment
The contextual information under station is closed, and instruction target satellite gateway station is established user with target core network and held before switching moment
It carries.Wherein, target terminal is terminal of each satellite cell of switching moment satellite in overlay area in the localities.Second information
It include: contextual information of the target terminal under protosatellite gateway station.Wherein, target terminal is upper and lower under protosatellite gateway station
Literary information include: X2/Xn context, S1/NG context, SDAP context, RRC context, PDCP context, RLC context,
MAC context, C-RNTI etc..
S304, target satellite gateway station establish target satellite cell.
Specifically, configuration of the target satellite gateway station according to the second information Satellite in the satellite cell of protosatellite gateway station
Parameter establishes target satellite cell, wherein the mode for establishing target satellite cell is the prior art, and which is not described herein again.
User's carrying is established between S305, target satellite gateway station and target core network.
In this step, target core network is core net belonging to target gateway station.Specifically, target satellite gateway station with
The implementation that target core network establishes user's carrying is the prior art, and which is not described herein again.
S306, target satellite gateway station establish contextual information of the target terminal under target satellite gateway station.
Specifically, the specific establishment process of this step is the prior art, which is not described herein again.
S307, before switching moment, target satellite gateway station to protosatellite gateway station send first instruction information.
Specifically, the first instruction information is used to indicate the preparation that target satellite gateway station is completed before satellite switching.
I.e. the contextual information under target terminal target satellite gateway station has been established in target satellite gateway station, and it is small that target satellite has been established
User's carrying has been established between area, with target core network.
S308, satellite establish feeding link in switching moment and target satellite gateway station.
S309, satellite and protosatellite gateway station disconnect feeding link.
The resource of S310, the resource of protosatellite gateway station release satellite cell and terminal.
Uplink synchronous and down-going synchronous are carried out between S311, target terminal and target satellite gateway station.
In this step, between target terminal and target satellite gateway station, by the downlink moment of target terminal and target satellite
The downlink moment of cell synchronizes, and the uplink moment of target terminal and the uplink moment of target satellite cell are synchronized,
Specific synchronous implementation is the prior art, and which is not described herein again.
In the present embodiment, target terminal is the overlay area of each satellite cell of satellite under switching moment on the ground
Interior terminal.Contextual information of the target satellite gateway station according to target terminal under protosatellite gateway station is needed, target is established
Contextual information of the terminal under target satellite gateway station.
By taking satellite includes 2 satellite cells as an example, as shown in Figure 4.In Fig. 4, the T4 moment indicates switching moment, with reference to covering
Cover area 1 and reference overlay area 2 are the overlay area of two satellite cells of T4 moment satellite on the ground, i.e., with reference to covering
Region 1 and be target terminal with reference to the terminal in overlay area 2, wherein with reference to the corresponding satellite cell 1 in overlay area 1, with reference to covering
Cover area 2 corresponds to satellite cell 2.
At the T4 moment, it is small that satellite is corresponded to reference to contextual information of the terminal in overlay area 1 under protosatellite gateway station
Area 1 corresponds to satellite cell 2 with reference to contextual information of the terminal in overlay area 2 under protosatellite gateway station.Target satellite letter
Station is closed before the T4 moment, the contextual information of the target terminal of required foundation refers to: according to switching moment with reference in overlay area 1
Contextual information of the terminal under protosatellite gateway station, establish with reference to the terminal in overlay area 1 in target satellite gateway station
Under contextual information, also, the contextual information established corresponds to satellite cell 1；Overlay area 2 is referred to according to switching moment
Contextual information of the interior terminal under protosatellite gateway station is established with reference to the terminal in overlay area 2 in target satellite gateway
Contextual information under standing, also, the contextual information established corresponds to satellite cell 2.
In Fig. 4, the T1 moment is the current time of satellite motion, and actual coverage area domain 1 and actual coverage area domain 2 are the T1 moment
The overlay area of 2 satellite cells of satellite on the ground.Figure 4, it is seen that the T1 moment, with reference in overlay area 1
Terminal has accessed satellite cell 2, i.e., establishes in protosatellite gateway station, and the T1 moment accesses the upper and lower of the terminal of satellite cell 2
Literary information.If at this point, protosatellite gateway station sends target information to target satellite gateway station, wherein target information includes: ginseng
Examine contextual information of the terminal of access satellite cell 2 in overlay area 1 under protosatellite gateway station.If target satellite gateway
It stands before switching moment, establishes according to target information and believe with reference to the terminal for accessing satellite cell 2 in overlay area 1 in target satellite
The contextual information under station is closed, the contextual information established at this time corresponds to satellite cell 2.
But the embodiment of the present application needs target satellite gateway station, according to satellite switching moment with reference to overlay area 1 and ginseng
Contextual information of the terminal under protosatellite gateway station in overlay area 2 is examined, establishes switching moment with reference to overlay area 1 and ginseng
Examine contextual information of the terminal under target satellite gateway station in overlay area 2.Obviously, when target satellite gateway station is according to T1
The target information sent to target satellite gateway station is carved, the contextual information established not is needed for the embodiment of the present application,
To waste computing resource.
Therefore, in order to improve the utilization rate of computing resource, protosatellite gateway station is provided to target in the embodiment of the present application
Satellite gateway station sends the specific implementation of first message, includes the following steps A1~step A3:
A1, it determines the overlay area of each satellite cell of the satellite under switching moment respectively on the ground, obtains multiple
With reference to overlay area.
In corresponding diagram 4, multiple reference frame overlay areas that this step obtains are with reference to overlay area 1 and to refer to overlay area
2。
A2, during satellite motion, by the actual coverage area domain of each satellite cell of satellite on the ground with it is corresponding
Reference overlay area it is tangent at the time of in it is earliest at the time of, as the reference moment.
In corresponding diagram 4, at the time of being actual coverage area domain 1 and refer to tangent between overlay area 1 with reference to the moment, actually cover
The earliest moment at the time of cover area 2 and tangent reference overlay area 2.
A3, from reference moment to switching moment, every preset duration to target satellite gateway station send target information.
In this step, target information includes: contextual information of the terminal to be processed under protosatellite gateway station, to be processed
Terminal is actual coverage area domain and the corresponding terminal with reference to overlay area in the overlapping region that preset duration increases newly.
For example, with reference to the moment be 12 points 20 minutes, switching moment be 12 points 30 minutes, preset duration 10s, then in this step
In, from 12: 20 assign to 12 points 30 minutes every 10s, to target satellite gateway station a target information is sent, until having sent
All terminal to be processed is target terminal.By taking 12 points of 10 seconds 20 minutes target informations sent to target satellite gateway station as an example, mesh
The mark information terminal to be processed that includes are as follows: with reference to overlay area 1 and with reference in overlay area 2,12 points 00 second to 12 points 20 minutes
20 points of 10 second this periods, the terminal in newly-increased overlapping region.
For with reference to overlay area 1, introduce with reference to overlay area 1 in the newly-increased overlapping region of this period, it is assumed that 12
Point 20 minutes and 00 second is the region Chong Die with actual coverage area domain 1 with reference to the a-quadrant in overlay area 1, and 12 points refer to for 10 seconds 20 minutes
B area in overlay area 1 is the region Chong Die with actual coverage area domain 1, then 12 points 10 20: 00 second 20 minutes to 12:
This period is that B area increases newly on the basis of a-quadrant with reference to the overlapping region increased newly between overlay area 1 and actual coverage area domain 1
Region.
The realization process that target satellite gateway station establishes contextual information in above-mentioned S303~S306 may include: protosatellite
Gateway station sends a target information to target satellite gateway station from reference moment to switching moment, every preset duration.For
The target information arbitrarily once sent, target satellite gateway station establish the terminal to be processed in target information according to target information
Contextual information under target satellite gateway station, until establishing context letter of the target terminal under target satellite gateway station
Breath.
In the embodiment of the present application, protosatellite gateway station sends target information to target satellite gateway station every time, and target is defended
Star gateway station is all before switching moment, according to contextual information of the terminal to be processed in target information under protosatellite gateway station,
Establish the contextual information of terminal to be processed under target satellite gateway station in target information.
Finally, to be processed terminal of the protosatellite gateway station into the target complete information that target satellite gateway station is sent is constituted
Target terminal.I.e. before switching moment, target satellite gateway station establishes context of the target terminal under target gateway station
Information, also, the contextual information established is the contextual information of required foundation.
Fig. 5 is each equipment room interaction flow schematic diagram in another satellite communication system provided by the embodiments of the present application, former
Satellite gateway station and target satellite gateway station belong to different core network, comprising the following steps:
S501, protosatellite gateway station safeguard satellite list.
S502, the satellite-based ephemeris information of protosatellite gateway station, determine target satellite gateway station, and determine satellite from
Protosatellite gateway station is switching moment at the time of being switched to target satellite gateway station.
S503, protosatellite gateway station send the first information and the second information to target satellite gateway station before switching moment.
S504, target satellite gateway station establish target satellite cell.
User's carrying is established between S505, target satellite gateway station and target core network.
S506, target satellite gateway station establish contextual information of the target terminal under target satellite gateway station.
The specific implementation of above-mentioned S501~S506 can refer to S301~S306, and which is not described herein again.
S507, target satellite gateway station send third information to target core network before switching moment.
In this step, third information is used to indicate target core network before switching moment, establishes target terminal in target
Contextual information under core net, and before switching moment, user's carrying is established between target satellite gateway station.
S508, target core network send to former core net and request in the case where receiving third information.
In this step, it requests for requesting former core net to send the target terminal contextual information off the net in the protokaryon heart.
S509, former core net send response message to target core network.
In this step, response message includes: the target terminal contextual information off the net in the protokaryon heart.
S510, target core network, according to response message, are built in the case where receiving the response message that former core net is sent
The vertical target terminal contextual information off the net in target core.
In this step, target terminal includes: UE registration information, on S1/NG in target core contextual information off the net
Hereafter, UE ability information etc..
It is the prior art that core net, which establishes target terminal in the specific implementation of target core contextual information off the net,
Which is not described herein again.
Target satellite gateway station and target core network establish the realization process of contextual information in above-mentioned S503~S510
It may include: protosatellite gateway station from reference moment to switching moment, send one to target satellite gateway station every preset duration
A target information, wherein refer to the corresponding content of above-described embodiment with reference to the content of moment, preset duration, target information, here
It repeats no more.For the target information arbitrarily once sent, target satellite gateway station is established in target information according to target information
Contextual information of the terminal to be processed under target satellite gateway station, and send third information, target core to target core network
Heart net sends to former core net and requests, and former core net is requested to send the terminal to be processed in target information in off the net upper of the protokaryon heart
Context information, obtains response message, and target core network establishes the terminal to be processed in target information in target according to response message
Contextual information under core net is believed until establishing target terminal in target satellite gateway station and target core context off the net
Breath.
S511, target core network establish situation information to the transmission of target satellite gateway station.
Specifically, establishing, situation information includes: successfully terminal, fail terminal, and success terminal is off the net in target core
Contextual information.Wherein, success terminal is successful in the target core terminal off the net for establishing contextual information in target terminal.
S512, target satellite gateway station foundation establish situation information, upper under target satellite gateway station to success terminal
Context information is supplemented, and the foundation of contextual information of the target terminal under target satellite gateway station is completed.
Specifically, target satellite gateway station believes context of the success terminal under target satellite gateway station in this step
Ceasing the process supplemented is the prior art, and which is not described herein again.
S513, target satellite gateway station send the first instruction information to protosatellite gateway station.
Specifically, the first instruction information is used to indicate target satellite gateway station and the switching of satellite is completed in target core network
Prepare.
S514, satellite establish feeding link in switching moment and target satellite gateway station.
In this step, satellite and target satellite gateway station establish feeding link.
S515, satellite and protosatellite gateway station disconnect feeding link.
The resource of S516, the resource of protosatellite gateway station release satellite cell and terminal.
Uplink synchronous and down-going synchronous are carried out between S517, target terminal and target satellite gateway station.
The specific implementation of this step can refer to S311, and which is not described herein again.
S518, target core network send the information for updating target core network to target terminal.
Fig. 6 is a kind of satellite switching device provided by the embodiments of the present application, is applied to protosatellite gateway station, comprising: is determined
Module 601, sending module 602 and receiving module 603.
Wherein it is determined that module 601 is for determining target satellite gateway station and switching moment, switching moment is satellite from Yuan Wei
At the time of star gateway station is switched to target satellite gateway station.
Sending module 602 is used to send the first information and the second information in the forward direction target satellite gateway station of switching moment,
The first information is used to indicate target satellite gateway station and establishes target satellite cell before switching moment, target satellite cell be with
The identical satellite cell of the configuration parameter of satellite cell of the parameter with satellite under protosatellite gateway station is set, the first information includes:
The configuration parameter of satellite cell of the satellite under protosatellite gateway station.
Second information is used to indicate: target satellite gateway station is established target terminal and is believed in target satellite before switching moment
The contextual information under station is closed, and instruction target satellite gateway station is established user with target core network and held before switching moment
It carries, target terminal is the terminal in the overlay area of the satellite cell of satellite under switching moment on the ground, and target core network is
Core net belonging to target satellite gateway station, the second information include: contextual information of the target terminal under protosatellite gateway station.
Receiving module 603 is used to receive the first instruction information of target satellite gateway station transmission before switching moment, the
One instruction information is used to indicate target satellite gateway station and the switching preparation of satellite is completed in target core network.
Optionally, sending module 602 is used to send the second information, packet in the forward direction target satellite gateway station of switching moment
It includes:
Sending module 602 is specifically used for determining each satellite cell of the satellite under switching moment covering on the ground respectively
Cover area obtains multiple with reference to overlay area；During satellite motion, by the reality of each satellite cell of satellite on the ground
At the time of earliest at the time of border overlay area and tangent corresponding reference overlay area, as the reference moment；From the reference moment
To switching moment, target information is sent to target satellite gateway station every preset duration, target information includes: that terminal to be processed exists
Contextual information under protosatellite gateway station, terminal to be processed are that actual coverage area domain is being preset with corresponding with reference to overlay area
Terminal in the newly-increased overlapping region of duration.
Fig. 7 is another satellite switching device provided by the embodiments of the present application, is applied to target satellite gateway station, comprising:
First establishes module 701, second establishes module 702, the first sending module 703 and the second sending module 704.
Wherein, first module 701 is established in the case where receiving the first information, before switching moment, foundation
The first information establishes target satellite cell in target satellite gateway station, and target satellite cell is configuration parameter and satellite in protosatellite
The identical satellite cell of the configuration parameter of satellite cell under gateway station, the first information include: satellite under protosatellite gateway station
Satellite cell configuration parameter.
Second, which establishes module 702, is used in the case where receiving the second information, before switching moment, according to the second information
The foundation of the contextual information to target terminal under target satellite gateway station is completed, and establishes user with target core network and holds
It carries.Target terminal is the terminal in the overlay area of the satellite cell of satellite under switching moment on the ground, and target core network is
Core net belonging to target satellite gateway station, the second information include: contextual information of the target terminal under protosatellite gateway station.
First sending module 703 is used to cut in the case where target core network is different core nets from former core net
It changed before the moment to target core network transmission third information is received, third information is used to indicate target core network, builds before switching moment
The vertical target terminal contextual information off the net in target core, and establish and use between target satellite gateway station before switching moment
Family carrying
Second sending module 704 is used to before switching moment send the first instruction information, the first instruction letter to former gateway station
Breath is used to indicate target satellite gateway station and the switching preparation of satellite is completed in target core network.
Optionally, device further include: third establishes module 705, for establishing feed chain with satellite in switching moment
Road.
Optionally, the device further include: synchronization module 706, for after switching moment and satellite establish feeding link,
The uplink and downlink moment synchronous with target terminal.
Fig. 8 is another satellite switching device provided by the embodiments of the present application, is applied to target core network, comprising: is sent
Module 801, first establish module 802 and second and establish module 803.
Wherein, sending module 801 is used to connect in the case where target core network is different core nets from former core net
It in the case where receiving the first information, sends and requests to former core net, request is for requesting former core net to send target terminal in original
Contextual information under core net, the first information are used to indicate target core network before switching moment, establish target terminal in mesh
The contextual information under core net is marked, and before switching moment, user's carrying is established between target satellite gateway station, target is whole
End is the terminal in the overlay area of the satellite cell of satellite under switching moment on the ground.
First establishes module 802 for being believed according to response in the case where receiving the response message that former core net is sent
Breath, establishes the target terminal contextual information off the net in target core, response message includes: that target terminal is off the net in the protokaryon heart
Contextual information.
Second establishes module 803 for being believed with target satellite before switching moment in the case where receiving the first information
It closes and establishes user's carrying between standing.
If function described in the embodiment of the present application method is realized in the form of SFU software functional unit and as independent production
Product when selling or using, can store in a storage medium readable by a compute device.Based on this understanding, the application is real
The part for applying a part that contributes to existing technology or the technical solution can be embodied in the form of software products,
The software product is stored in a storage medium, including some instructions are used so that a calculating equipment (can be personal meter
Calculation machine, server, mobile computing device or network equipment etc.) execute each embodiment the method for the application whole or portion
Step by step.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), with
Machine accesses various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of satellite switching method, which is characterized in that be applied to protosatellite gateway station, comprising:
Determine target satellite gateway station and switching moment；The switching moment is switched to the mesh from protosatellite gateway station for satellite
At the time of marking satellite gateway station；
The target satellite gateway station described in the forward direction of the switching moment sends the first information and the second information, first letter
Breath, is used to indicate the target satellite gateway station and establishes target satellite cell before the switching moment, the target satellite is small
Area is configuration parameter satellite cell identical with the configuration parameter of satellite cell of the satellite under the protosatellite gateway station；
The first information includes: the configuration parameter of satellite cell of the satellite under the protosatellite gateway station；
Second information is used to indicate: the target satellite gateway station establishes target terminal in institute before the switching moment
State the contextual information under target satellite gateway station, and the instruction target satellite gateway station is before the switching moment, with
Target core network establishes user's carrying；The target terminal be the switching moment under the satellite satellite cell on the ground
Overlay area in terminal；The target core network is core net belonging to the target satellite gateway station；Second letter
Breath includes: contextual information of the target terminal under the protosatellite gateway station；
The first instruction information that the target satellite gateway station is sent is received before the switching moment；The first instruction letter
Breath is used to indicate the target satellite gateway station and the switching preparation of the satellite is completed in the target core network.
2. the method according to claim 1, wherein the target satellite described in the forward direction of the switching moment
Gateway station sends the second information, comprising:
It determines the overlay area of each satellite cell of the satellite described under the switching moment respectively on the ground, obtains multiple
With reference to overlay area；
During the satellite motion, by the actual coverage area domain of each satellite cell of the satellite on the ground with it is corresponding
Reference overlay area it is tangent at the time of in it is earliest at the time of, as the reference moment；
The moment to the switching moment is referred to from described, sends target letter to the target satellite gateway station every preset duration
Breath；The target information includes: contextual information of the terminal to be processed under the protosatellite gateway station；The terminal to be processed
For actual coverage area domain and the corresponding terminal with reference to overlay area in the overlapping region that the preset duration increases newly.
3. a kind of satellite switching method, which is characterized in that be applied to target satellite gateway station, comprising:
In the case where receiving the first information, before switching moment, believe according to the first information in the target satellite
It closes station and establishes target satellite cell；The target satellite cell is that the satellite of configuration parameter and satellite under protosatellite gateway station is small
The identical satellite cell of the configuration parameter in area；The first information includes: the satellite defending under the protosatellite gateway station
The configuration parameter of star cell；
In the case where receiving the second information, before the switching moment, complete according to second information to target end
The foundation of the contextual information under the target satellite gateway station is held, and establishes user's carrying with target core network；It is described
Target terminal is the terminal in the overlay area of the satellite cell of the satellite under the switching moment on the ground；The target
Core net is core net belonging to the target satellite gateway station；Second information includes: the target terminal in the original
Contextual information under satellite gateway station；
In the case where the target core network is different core nets from the former core net, to institute before the switching moment
It states target core network and sends third information；The third information is used to indicate the target core network, before the switching moment
Establish the target terminal contextual information off the net in the target core, and before the switching moment with the target
User's carrying is established between satellite gateway station；
The first instruction information is sent to the former gateway station before the switching moment, the first instruction information is used to indicate institute
It states target satellite gateway station and the switching preparation of the satellite is completed in the target core network.
4. according to the method described in claim 3, it is characterized by further comprising:
In the switching moment, feeding link is established with the satellite.
5. according to the method described in claim 4, it is characterized in that, establishing feeding link in the switching moment and the satellite
Later, further includes:
The uplink and downlink moment synchronous with the target terminal.
6. a kind of satellite switching method, which is characterized in that be applied to target core network, the target core network is target satellite letter
Close core net belonging to station, comprising:
In the case where the target core network is different core nets from former core net, the case where receiving the first information
Under, request is sent to the former core net；The request is for requesting the former core net to send target terminal in the protokaryon
Heart contextual information off the net；The first information is used to indicate the target core network before switching moment, establishes the mesh
The terminal contextual information off the net in the target core is marked, and before the switching moment, with the target satellite gateway
User's carrying is established between standing；The target terminal is the overlay area of the satellite cell of satellite under the switching moment on the ground
Interior terminal；
In the case where receiving the response message that the former core net is sent, according to the response message, the target is established
The terminal contextual information off the net in the target core；The response message includes: the target terminal in the protokaryon heart
Contextual information off the net；
In the case where receiving the first information, establishes and use between the target satellite gateway station before the switching moment
Family carrying.
7. a kind of satellite switching device, which is characterized in that be applied to protosatellite gateway station, comprising:
Determining module, for determining target satellite gateway station and switching moment；The switching moment is satellite from protosatellite gateway
At the time of station is switched to the target satellite gateway station；
Sending module sends the first information and the second letter for the target satellite gateway station described in the forward direction of the switching moment
Breath, the first information are used to indicate the target satellite gateway station and establish target satellite cell, institute before the switching moment
State the configuration parameter phase that target satellite cell is satellite cell of the configuration parameter with the satellite under the protosatellite gateway station
Same satellite cell；The first information includes: the configuration ginseng of satellite cell of the satellite under the protosatellite gateway station
Number；
Second information is used to indicate: the target satellite gateway station establishes target terminal in institute before the switching moment
State the contextual information under target satellite gateway station, and the instruction target satellite gateway station is before the switching moment, with
Target core network establishes user's carrying；The target terminal be the switching moment under the satellite satellite cell on the ground
Overlay area in terminal；The target core network is core net belonging to the target satellite gateway station；Second letter
Breath includes: contextual information of the target terminal under the protosatellite gateway station；
Receiving module, the first instruction information sent for receiving the target satellite gateway station before the switching moment；
The first instruction information is used to indicate the target satellite gateway station and cutting for the satellite is completed in the target core network
Change preparation.
8. device according to claim 7, which is characterized in that the sending module, for before the switching moment
The second information is sent to the target satellite gateway station, comprising:
The sending module, specifically for determining each satellite cell of the satellite described under the switching moment respectively on ground
On overlay area, obtain multiple with reference to overlay area；
During the satellite motion, by the actual coverage area domain of each satellite cell of the satellite on the ground with it is corresponding
Reference overlay area it is tangent at the time of in it is earliest at the time of, as the reference moment；
The moment to the switching moment is referred to from described, sends target letter to the target satellite gateway station every preset duration
Breath；The target information includes: contextual information of the terminal to be processed under the protosatellite gateway station；The terminal to be processed
For actual coverage area domain and the corresponding terminal with reference to overlay area in the overlapping region that the preset duration increases newly.
9. a kind of satellite switching device, which is characterized in that be applied to target satellite gateway station, comprising:
First establishes module, in the case where receiving the first information, before switching moment, according to the first information
Target satellite cell is established in the target satellite gateway station；The target satellite cell is configuration parameter and satellite in protosatellite
The identical satellite cell of the configuration parameter of satellite cell under gateway station；The first information includes: the satellite in the original
The configuration parameter of satellite cell under satellite gateway station；
Second establishes module, in the case where receiving the second information, before switching moment, according to second information
The foundation of the contextual information to target terminal under the target satellite gateway station is completed, and establishes and uses with target core network
Family carrying；The target terminal is the end in the overlay area of the satellite cell of the satellite under the switching moment on the ground
End；The target core network is core net belonging to the target satellite gateway station；Second information includes: that the target is whole
Hold the contextual information under the protosatellite gateway station；
First sending module, in the case where the target core network is different core nets from the former core net, In
Third information was sent to the receipts target core network before the switching moment；The third information is used to indicate the target core
Net establishes the target terminal contextual information off the net in the target core before the switching moment, and described
User's carrying was established before switching moment between the target satellite gateway station；
Second sending module, for sending the first instruction information to the former gateway station before the switching moment, described first
Indicate the switching preparation that information is used to indicate the target satellite gateway station and the satellite is completed in the target core network.
10. a kind of satellite switching device, which is characterized in that be applied to target core network, comprising:
Sending module is receiving the in the case where the target core network is different core nets from former core net
In the case where one information, request is sent to the former core net；The request is whole for requesting the former core net to send target
Hold the contextual information off the net in the protokaryon heart；The first information is used to indicate the target core network in switching moment
Before, the target terminal contextual information off the net in the target core is established, and before the switching moment, and it is described
User's carrying is established between target satellite gateway station；The target terminal is the satellite cell of satellite under the switching moment on ground
On overlay area in terminal；
First establishes module, in the case where receiving the response message that the former core net is sent, according to the response
Information establishes the target terminal contextual information off the net in the target core；The response message includes: the target
The terminal contextual information off the net in the protokaryon heart；
Second establishes module, in the case where receiving the first information, before the switching moment with the target
User's carrying is established between satellite gateway station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910839208.5A CN110429975B (en) | 2019-09-05 | 2019-09-05 | Satellite switching method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910839208.5A CN110429975B (en) | 2019-09-05 | 2019-09-05 | Satellite switching method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110429975A true CN110429975A (en) | 2019-11-08 |
| CN110429975B CN110429975B (en) | 2021-11-16 |
Family
ID=68417628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910839208.5A Active CN110429975B (en) | 2019-09-05 | 2019-09-05 | Satellite switching method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110429975B (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262616A (en) * | 2020-01-15 | 2020-06-09 | 广州爱浦路网络技术有限公司 | User data switching device and switching method for low-orbit satellite gateway station |
| CN111314981A (en) * | 2020-02-20 | 2020-06-19 | 北京华力创通科技股份有限公司 | Terminal reselection method and device for feeder link switching |
| CN112671448A (en) * | 2020-12-09 | 2021-04-16 | 中国电子科技集团公司第五十四研究所 | Cross-satellite switching method for feeder link in low-earth-orbit satellite mobile communication system |
| CN112887005A (en) * | 2021-01-06 | 2021-06-01 | 成都天奥集团有限公司 | Full-exchange method and device for eliminating satellite switching influence |
| WO2021139562A1 (en) * | 2020-01-09 | 2021-07-15 | 大唐移动通信设备有限公司 | Gateway station switching method and apparatus, and terminal and gateway station |
| CN113131983A (en) * | 2019-12-30 | 2021-07-16 | 大唐移动通信设备有限公司 | Indication method and device |
| CN113260005A (en) * | 2020-02-13 | 2021-08-13 | 华为技术有限公司 | Gateway station switching method and device |
| CN113328787A (en) * | 2021-06-07 | 2021-08-31 | 成都天奥集团有限公司 | Low-orbit satellite communication system supporting cooperative switching and switching method thereof |
| WO2021175067A1 (en) * | 2020-03-03 | 2021-09-10 | 华为技术有限公司 | Gateway station switching method and apparatus |
| WO2021196769A1 (en) * | 2020-04-02 | 2021-10-07 | 海能达通信股份有限公司 | Switching method, terminal and base station |
| CN113949435A (en) * | 2021-09-16 | 2022-01-18 | 航天恒星科技有限公司 | High-throughput satellite terminal beam switching method and device based on 5G core network |
| CN114157344A (en) * | 2021-12-09 | 2022-03-08 | 成都天奥集团有限公司 | Method for supporting lossless switching of satellite feed link |
| CN114614874A (en) * | 2020-11-24 | 2022-06-10 | 中国移动通信有限公司研究院 | Satellite switching method and device |
| WO2022147664A1 (en) * | 2021-01-05 | 2022-07-14 | 北京小米移动软件有限公司 | Access method, auxiliary information processing method and apparatus, and device and storage medium |
| CN114885383A (en) * | 2021-02-05 | 2022-08-09 | 海能达通信股份有限公司 | Method for processing user data message |
| WO2022213839A1 (en) * | 2021-04-07 | 2022-10-13 | 广州爱浦路网络技术有限公司 | Communication method based on handover of terrestrial mobile network and satellite mobile network and core network |
| CN115209446A (en) * | 2022-06-13 | 2022-10-18 | 爱浦路网络技术(北京)有限公司 | Core network cloud service communication method, system, device and medium based on satellite |
| WO2023087151A1 (en) * | 2021-11-16 | 2023-05-25 | 北京小米移动软件有限公司 | Information processing method and apparatus, communication device, and storage medium |
| WO2023116772A1 (en) * | 2021-12-24 | 2023-06-29 | 华为技术有限公司 | Satellite switching method and apparatus, storage medium, and chip system |
| WO2024026786A1 (en) * | 2022-08-04 | 2024-02-08 | 北京小米移动软件有限公司 | Information processing method and apparatus, and communication device and storage medium |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080182572A1 (en) * | 2006-06-29 | 2008-07-31 | Atc Technologies,Llc | Apparatus and Methods for Mobility Management in Hybrid Terrestrial-Satellite Mobile Communications Systems |
| CN101877895A (en) * | 2009-04-30 | 2010-11-03 | 大唐移动通信设备有限公司 | Cell switching method and system |
| WO2013023171A1 (en) * | 2011-08-11 | 2013-02-14 | Interdigital Patent Holdings, Inc. | Mobile relay handover |
| CN103428782A (en) * | 2012-05-18 | 2013-12-04 | 电信科学技术研究院 | Switching method and device in satellite communication system |
| CN103533646A (en) * | 2013-10-23 | 2014-01-22 | 中国联合网络通信集团有限公司 | Tracking method and device for UE (user equipment) |
| CN105682111A (en) * | 2016-01-25 | 2016-06-15 | 协同通信技术有限公司 | Beam switching method, mobile satellite terminal and gateway |
| US20160183142A1 (en) * | 2009-04-17 | 2016-06-23 | Viasat, Inc. | Mobility across satellite beams using l2 connectivity |
| US20170215119A1 (en) * | 2016-01-22 | 2017-07-27 | Kt Corporation | Methods for controlling mobility of user equipment for performing v2x communication and apparatuses for performing the same |
| CN108260175A (en) * | 2018-01-10 | 2018-07-06 | 海能达通信股份有限公司 | Trunked communication system, colony terminal, cluster core net and the method for switching cell |
| CN109429281A (en) * | 2017-08-28 | 2019-03-05 | 大唐移动通信设备有限公司 | A kind of business switch method based on dual link framework, terminal and base station |
| CN109526033A (en) * | 2017-09-19 | 2019-03-26 | 中国移动通信有限公司研究院 | A kind of method and apparatus switched over |
-
2019
- 2019-09-05 CN CN201910839208.5A patent/CN110429975B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080182572A1 (en) * | 2006-06-29 | 2008-07-31 | Atc Technologies,Llc | Apparatus and Methods for Mobility Management in Hybrid Terrestrial-Satellite Mobile Communications Systems |
| US20160183142A1 (en) * | 2009-04-17 | 2016-06-23 | Viasat, Inc. | Mobility across satellite beams using l2 connectivity |
| CN101877895A (en) * | 2009-04-30 | 2010-11-03 | 大唐移动通信设备有限公司 | Cell switching method and system |
| WO2013023171A1 (en) * | 2011-08-11 | 2013-02-14 | Interdigital Patent Holdings, Inc. | Mobile relay handover |
| CN103428782A (en) * | 2012-05-18 | 2013-12-04 | 电信科学技术研究院 | Switching method and device in satellite communication system |
| CN103533646A (en) * | 2013-10-23 | 2014-01-22 | 中国联合网络通信集团有限公司 | Tracking method and device for UE (user equipment) |
| US20170215119A1 (en) * | 2016-01-22 | 2017-07-27 | Kt Corporation | Methods for controlling mobility of user equipment for performing v2x communication and apparatuses for performing the same |
| CN105682111A (en) * | 2016-01-25 | 2016-06-15 | 协同通信技术有限公司 | Beam switching method, mobile satellite terminal and gateway |
| CN109429281A (en) * | 2017-08-28 | 2019-03-05 | 大唐移动通信设备有限公司 | A kind of business switch method based on dual link framework, terminal and base station |
| CN109526033A (en) * | 2017-09-19 | 2019-03-26 | 中国移动通信有限公司研究院 | A kind of method and apparatus switched over |
| CN108260175A (en) * | 2018-01-10 | 2018-07-06 | 海能达通信股份有限公司 | Trunked communication system, colony terminal, cluster core net and the method for switching cell |
Non-Patent Citations (1)
| Title |
|---|
| NOKIA 等: "Data forwarding mechanism over X2 and S1 interface", 《3GPP TSG-RAN WG3 MEETING #57 R3-071573》 * |
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131983B (en) * | 2019-12-30 | 2022-08-19 | 大唐移动通信设备有限公司 | Indication method and device |
| CN113131983A (en) * | 2019-12-30 | 2021-07-16 | 大唐移动通信设备有限公司 | Indication method and device |
| WO2021139562A1 (en) * | 2020-01-09 | 2021-07-15 | 大唐移动通信设备有限公司 | Gateway station switching method and apparatus, and terminal and gateway station |
| CN111262616B (en) * | 2020-01-15 | 2020-11-13 | 广州爱浦路网络技术有限公司 | User data switching device and switching method for low-orbit satellite gateway station |
| CN111262616A (en) * | 2020-01-15 | 2020-06-09 | 广州爱浦路网络技术有限公司 | User data switching device and switching method for low-orbit satellite gateway station |
| CN113260005B (en) * | 2020-02-13 | 2022-07-29 | 华为技术有限公司 | Gateway station switching method and device |
| CN113260005A (en) * | 2020-02-13 | 2021-08-13 | 华为技术有限公司 | Gateway station switching method and device |
| WO2021159968A1 (en) * | 2020-02-13 | 2021-08-19 | 华为技术有限公司 | Gateway switching method and apparatus |
| CN111314981A (en) * | 2020-02-20 | 2020-06-19 | 北京华力创通科技股份有限公司 | Terminal reselection method and device for feeder link switching |
| WO2021175067A1 (en) * | 2020-03-03 | 2021-09-10 | 华为技术有限公司 | Gateway station switching method and apparatus |
| WO2021196769A1 (en) * | 2020-04-02 | 2021-10-07 | 海能达通信股份有限公司 | Switching method, terminal and base station |
| CN114614874A (en) * | 2020-11-24 | 2022-06-10 | 中国移动通信有限公司研究院 | Satellite switching method and device |
| CN112671448A (en) * | 2020-12-09 | 2021-04-16 | 中国电子科技集团公司第五十四研究所 | Cross-satellite switching method for feeder link in low-earth-orbit satellite mobile communication system |
| CN115039354A (en) * | 2021-01-05 | 2022-09-09 | 北京小米移动软件有限公司 | Access method, auxiliary information processing method and device, equipment and storage medium |
| CN115039354B (en) * | 2021-01-05 | 2024-02-13 | 北京小米移动软件有限公司 | Access method, auxiliary information processing method, device, equipment and storage medium |
| WO2022147664A1 (en) * | 2021-01-05 | 2022-07-14 | 北京小米移动软件有限公司 | Access method, auxiliary information processing method and apparatus, and device and storage medium |
| CN112887005A (en) * | 2021-01-06 | 2021-06-01 | 成都天奥集团有限公司 | Full-exchange method and device for eliminating satellite switching influence |
| CN114885383B (en) * | 2021-02-05 | 2023-09-01 | 海能达通信股份有限公司 | User data message processing method |
| CN114885383A (en) * | 2021-02-05 | 2022-08-09 | 海能达通信股份有限公司 | Method for processing user data message |
| WO2022213839A1 (en) * | 2021-04-07 | 2022-10-13 | 广州爱浦路网络技术有限公司 | Communication method based on handover of terrestrial mobile network and satellite mobile network and core network |
| CN113328787A (en) * | 2021-06-07 | 2021-08-31 | 成都天奥集团有限公司 | Low-orbit satellite communication system supporting cooperative switching and switching method thereof |
| CN113949435A (en) * | 2021-09-16 | 2022-01-18 | 航天恒星科技有限公司 | High-throughput satellite terminal beam switching method and device based on 5G core network |
| CN113949435B (en) * | 2021-09-16 | 2023-06-30 | 航天恒星科技有限公司 | High-flux satellite terminal beam switching method and device based on 5G core network |
| WO2023087151A1 (en) * | 2021-11-16 | 2023-05-25 | 北京小米移动软件有限公司 | Information processing method and apparatus, communication device, and storage medium |
| CN114157344B (en) * | 2021-12-09 | 2023-12-05 | 成都天奥集团有限公司 | Method for supporting lossless switching of satellite feed link |
| CN114157344A (en) * | 2021-12-09 | 2022-03-08 | 成都天奥集团有限公司 | Method for supporting lossless switching of satellite feed link |
| WO2023116772A1 (en) * | 2021-12-24 | 2023-06-29 | 华为技术有限公司 | Satellite switching method and apparatus, storage medium, and chip system |
| CN115209446A (en) * | 2022-06-13 | 2022-10-18 | 爱浦路网络技术(北京)有限公司 | Core network cloud service communication method, system, device and medium based on satellite |
| WO2024026786A1 (en) * | 2022-08-04 | 2024-02-08 | 北京小米移动软件有限公司 | Information processing method and apparatus, and communication device and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110429975B (en) | 2021-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110429975A (en) | Satellite switching method and device | |
| EP3503620B1 (en) | Method, device and system for cell handover | |
| CN104581652B (en) | Message treatment method, the method and apparatus for selecting MME | |
| CN105898812B (en) | A kind of method and device of quick falling network | |
| CN108702810A (en) | The method and apparatus that the cell particular procedure or mobile process of the NR for being sliced based on network are executed in wireless communication system | |
| SA516371027B1 (en) | Radio communication system, base station apparatus, and radio terminal | |
| CN108605383A (en) | The method and apparatus that the cell standardising process of the NR for being sliced based on network is executed in wireless communication system | |
| CN109699050A (en) | A kind of inactive state terminal restores method, base station, equipment and the system of connection | |
| CN112584441B (en) | Method and device for determining NAS connection attribute of terminal, AMF, terminal and base station | |
| CN106162777A (en) | Via node changing method and system | |
| CN109803334B (en) | Method and device for switching Pscell | |
| CN107872853A (en) | A kind of method and apparatus of data transfer | |
| CN104023327B (en) | A kind of downlink data transmission method and device | |
| KR20200058478A (en) | Method and apparatus for replica transfer | |
| CN109246772A (en) | A kind of data transmission method, relevant device and system | |
| CN106332047A (en) | Private network registration method and system, and corresponding network element device | |
| CN106211311A (en) | A kind of user equipment registration is to the method and apparatus of network | |
| CN105228238A (en) | A kind of periodically keep-alive transmission method, equipment and system | |
| CN108769142A (en) | Exchange information processing method and block generate node | |
| CN111901895B (en) | Method and device for establishing user plane | |
| CN105264958B (en) | A kind of method and device of bearer circuit voice service | |
| CN107018555B (en) | Method for network access, access control method, user terminal and base station | |
| CN101989994B (en) | Method, system and network side device for realizing data sharing | |
| CN103313326A (en) | Method for supporting relay switching | |
| CN108307429A (en) | A kind of method and device that base station user data restores |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |