CN109756949A - A kind of resource allocation methods and device - Google Patents
A kind of resource allocation methods and device Download PDFInfo
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- CN109756949A CN109756949A CN201710725267.0A CN201710725267A CN109756949A CN 109756949 A CN109756949 A CN 109756949A CN 201710725267 A CN201710725267 A CN 201710725267A CN 109756949 A CN109756949 A CN 109756949A
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Abstract
The embodiment of the invention provides a kind of resource allocation methods and devices, wherein, the method is applied in satellite communication system, the satellite communication system includes satellite equipment and terminal device, include: that request message is established in the radio resource control RRC connection that sends of the satellite equipment receiving terminal apparatus, includes that signaling between terminal device and satellite equipment occupies resource requirement in the request message；It judges whether there is to meet for the first time and distributes the dedicated control carrier wave that the signaling occupies resource requirement；If it exists, then target carrier is searched from the dedicated control carrier wave for meeting the distribution signaling occupancy resource requirement；If it does not exist, then target carrier is searched from voice service carrier wave；It is the signaling distribution resource in the target carrier and generates resource allocation information, and generates RRC connection according to the resource allocation information and establish information and sending to the terminal device.The embodiment of the present invention by increase can carrier signaling carrier wave, improve terminal device access success rate.
Description
Technical field
The present invention relates to fields of communication technology, more particularly to a kind of resource allocation methods and a kind of resource allocation device.
Background technique
Satellite communication system is made of satellite equipment, earth station and the corresponding terminal device of user, due to satellite equipment
It works on several hundred, thousands of, even up to ten thousand kilometers of track, so that satellite communication system coverage area is much larger than general movement
Communication system, therefore satellite communication system can be used and realize covering on a large scale；Wherein, signaling, business datum etc. are with carrier wave
It is carrier in the transmission in satellite communication system between terminal device and satellite equipment.
The method of resource allocation is in satellite communication system, only distributes resource on dedicated control carrier wave for signaling, but defend
The dedicated resource controlled on variable number and each carrier wave is limited in star communication system, when user volume is larger, is often gone out
The case where existing access failure, so that affect user is successfully accessed rate.
Summary of the invention
The embodiment of the present invention is the technical problem to be solved is that a kind of resource allocation methods are provided, to improve satellite communication system
The success rate of terminal equipment access network in system.
Correspondingly, the embodiment of the invention also provides a kind of resource allocation device, to guarantee the above method realization and
Using.
To solve the above-mentioned problems, the invention discloses a kind of resource allocation methods, are applied in satellite communication system, institute
Stating satellite communication system includes satellite equipment and terminal device, is specifically included: what the satellite equipment receiving terminal apparatus was sent
Request message is established in radio resource control RRC connection, includes the letter between terminal device and satellite equipment in the request message
It enables and occupies resource requirement；It judges whether there is to meet for the first time and distributes the dedicated control carrier wave that the signaling occupies resource requirement；
If it exists, then target carrier is searched from the dedicated control carrier wave for meeting the distribution signaling occupancy resource requirement；If it does not exist,
Then target carrier is searched from voice service carrier wave；It is the signaling distribution resource in the target carrier and generates resource point
With information, and RRC connection is generated according to the resource allocation information and establishes information and sending to the terminal device.
Optionally, target carrier is searched from voice service carrier wave, comprising: never in the voice service carrier wave of accessing user
It searches to meet and distributes the carrier wave that the signaling occupies resource requirement；If being found in the voice service carrier wave of never accessing user full
The carrier wave that foot distributes the signaling occupancy resource requirement selects the carrier wave of highest priority then from the carrier wave found
It is determined as target carrier.
Optionally, target carrier is searched from voice service carrier wave, comprising: if the voice service carrier wave of never accessing user
In do not find to meet and distribute the carrier wave that the signaling occupies resource requirement, then allow to be preempted each words of user from having accessed
It searches to meet in sound business carrier wave and distributes the carrier wave that the signaling occupies resource requirement；If allowing to be preempted user's from having accessed
It finds to meet in voice service carrier wave and distributes the carrier wave that the signaling occupies resource requirement, then allow to be preempted according to each carrier wave
The priority of user occupancy resource determines target carrier.
Optionally, the priority for allowing to be preempted user occupancy resource according to each carrier wave determines target carrier, determines target
The step of carrier wave, comprising: whether the priority for judging that whole carrier waves allow to be preempted user occupancy resource is all the same；If not phase
Together, then it will allow to be preempted the minimum user of user occupancy resource prioritization and be determined as target user；And by target user couple
The carrier wave answered is determined as target carrier；If they are the same, then allow to be preempted the corresponding occupancy number of resources of user according to each, determine that target carries
Wave.
Optionally, allow to be preempted user's corresponding the step of occupying number of resources, determining target carrier according to each, comprising: meter
Calculate each difference for allowing to be preempted the corresponding occupancy number of resources of user and signaling occupancy resource requirement number；Minimal difference is corresponding
The user that allows to be preempted be determined as target user；The corresponding carrier wave of the target user is determined as target carrier.
Optionally, after the step of corresponding carrier wave of the target user is determined as target carrier, the method is also
It include: the corresponding resource occupied of the release target user；The step of being the signaling distribution resource in the target carrier,
It include: by the resource allocation being released in the target carrier to the signaling.
Optionally, before the step of discharging the target user corresponding resource occupied, further includes: second of judgement be
It is no to there is the dedicated control carrier wave for meeting and distributing the signaling occupancy resource requirement；If it exists, then the signaling is distributed from satisfaction
It occupies in the dedicated control carrier wave of resource requirement and searches target carrier；If it does not exist, then execute it is described will be in the target carrier
The resource allocation being released gives the step of signaling.
It is applied in the satellite equipment in satellite communication system the embodiment of the invention also provides a kind of resource allocation device,
Specifically include: receiving module, request message is established in the radio resource control RRC connection sent for receiving terminal apparatus, described
It include the signaling occupancy resource requirement between terminal device and satellite equipment in request message；Judgment module, for the first judgement
With the presence or absence of the dedicated control carrier wave for meeting the distribution signaling occupancy resource requirement；First searching module is used for if it exists, then
Target carrier is searched from meeting to distribute in the dedicated control carrier wave that the signaling occupies resource requirement；Second searching module, is used for
If it does not exist, then target carrier is searched from voice service carrier wave；Distribution module, for being the letter in the target carrier
It enables distribution resource simultaneously generate resource allocation information, and according to the resource allocation information generates RRC connection to establish message concurrent
It send to the terminal device.
Optionally, second searching module includes:
First carrier searches submodule, distributes the letter for searching to meet in the voice service carrier wave of never accessing user
Enable the carrier wave for occupying resource requirement；
First determines submodule, if distributing the letter for finding to meet in the voice service carrier wave of never accessing user
The carrier wave for occupying resource requirement is enabled, then from the carrier wave found, the carrier wave of highest priority is selected to be determined as target load
Wave.
Optionally, second searching module includes:
Second carrier wave searches submodule, if dividing for not finding to meet in the voice service carrier wave of never accessing user
The carrier wave of resource requirement is occupied with the signaling, then it is full from lookup in each voice service carrier wave for allow to be preempted user has been accessed
Foot distributes the carrier wave that the signaling occupies resource requirement；
Second determines submodule, if for finding satisfaction from having accessed in the voice service carrier wave for allowing to be preempted user
The carrier wave that the signaling occupies resource requirement is distributed, then the priority for allowing to be preempted user occupancy resource according to each carrier wave determines
Target carrier.
Optionally, described second determine that submodule includes:
Priority judging unit, for judge whole carrier waves allow to be preempted user occupancy resource priority it is whether homogeneous
Together；
First carrier determination unit, if will allow to be preempted user occupancy resource prioritization minimum for not identical
User is determined as target user；And the corresponding carrier wave of target user is determined as target carrier；
Second carrier wave determination unit, for if they are the same, then allowing to be preempted the corresponding occupancy number of resources of user according to each, determining
Target carrier.
Optionally, the second carrier wave determination unit allows to be preempted the corresponding occupancy resource of user specifically for calculating is each
Several differences that resource requirement number is occupied with the signaling；By minimal difference it is corresponding allow to be preempted user be determined as target use
Family；It is determined as target carrier for the target user is corresponding.
Optionally, further includes:
Release module, for discharging the corresponding resource occupied of the target user；
The distribution module, specifically for the resource allocation that will be released in the target carrier to the signaling.
Optionally, the judgment module is also used to judge whether there is satisfaction for the second time and distributes the signaling occupancy resource
The dedicated control carrier wave of demand；
First searching module, for if it exists, then distributing the dedicated control that the signaling occupies resource requirement from satisfaction
Target carrier is searched in carrier wave processed；
The distribution module is specifically used for if it does not exist, then by the resource allocation being released in the target carrier to institute
State signaling.
Compared with prior art, the embodiment of the present invention includes following advantages:
Request is established in the radio resource control RRC connection that the satellite equipment of the embodiment of the present invention receives terminal device transmission
Then message can occupy resource requirement including the signaling between terminal device and satellite equipment according in the request message, be
The signaling distributes resource；During distributing resource for the signaling, it can determine whether to exist to meet and distribute the signaling
Occupy the dedicated control carrier wave of resource requirement, and if it exists, then determine there are available dedicated control carrier wave, institute can be distributed from meeting
It states in the dedicated control carrier wave of signaling occupancy resource requirement and searches target carrier；If it does not exist, that is, it determines no available dedicated
Carrier wave is controlled, then searches target carrier from voice service carrier wave；It then is that the signaling distributes resource simultaneously in target carrier
Corresponding resource allocation information is generated, then RRC connection is generated according to the resource allocation information and establishes message, and will be described
RRC connection establishes message and is sent to terminal device, and then terminal device can establish the corresponding carrier wave of message by the RRC connection
Carrier signaling realizes the communication with satellite equipment.The embodiment of the present invention determining there are when available dedicated control carrier wave, from can
The target carrier that can distribute resource for the signaling is selected in dedicated control carrier wave, and is determining that there is no available dedicated
When controlling carrier wave, then the target carrier of resource can be distributed for the signaling by selecting from voice service carrier wave, and then can either be adopted
With dedicated control carriers carry signaling, can also use voice service carriers carry signaling, increase can carrier signaling carrier wave,
To improve the success rate of terminal device access.
Detailed description of the invention
Fig. 1 is the system structure diagram that terminal device of the invention is connect with satellite equipment；
Fig. 2 is a kind of step flow chart of resource allocation embodiment of the present invention；
Fig. 3 is the step flow chart of another resource allocation embodiment of the invention；
Fig. 4 is a kind of structural block diagram of resource allocation device embodiment of the invention；
Fig. 5 is the structural block diagram of another resource allocation device embodiment of the invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
For the ease of the explanation of subsequent embodiment, satellite communication system is introduced: satellite communication system includes satellite
Equipment, earth station and terminal device, when a terminal device is communicated by satellite communication system and another terminal device,
Terminal device connect with satellite equipment and sends data, and the data that satellite equipment sends the terminal device are sent by earth station
Into another terminal device.Wherein, the system structure diagram that terminal device is connect with satellite equipment is as shown in Figure 1, satellite
Equipment includes Communications Processor Module, which includes: core net (Gateway Core Network, GCN), short report
Literary broadcasting center (Cell Broadcast Centre, CBC), control centre, gateway station control (Gateway Station
Controller, GSC) and notice gateway station transceiver (Gateway Transceiver Station, GTS).
Carrier wave is the carrier of carrier signaling and communication service (such as speech, short message and fax), according to carrier wave purposes
Carrier wave is divided into two classes: common carrier and special carrier, the common carrier is mainly used for the public information of bearing system, described
Special carrier is mainly used for carrying Proprietary Information related to user.Special carrier includes the following three types carrier wave: dedicated control carries
Wave, voice service carrier wave and data traffic carrier, wherein dedicated control carrier wave is exclusively used in radio resource control signaling access, words
Sound business carrier wave is exclusively used in voice service access, and data service carrier wave is exclusively used in data service access.
In the prior art, terminal device by satellite equipment send RRC (Radio Resource Control, wirelessly
Resources control) connection request, distributes resource with the signaling between request and satellite equipment；Specifically, terminal device is using public
RRC connection request is sent to GTS by carrier wave, and after GTS receives RRC connection request, RRC connection request is passed through GSC；If depositing
In available dedicated control carrier wave, then GSC chooses an available dedicated control carrier wave, and is institute on the dedicated control carrier wave
Signaling distribution resource is stated, then RRC connection is generated according to the resource allocation information for being signaling distribution resource and establishes message, and will
RRC connection establishes message and is sent to terminal device by common carrier.Available dedicated control carrier wave if it does not exist then can not be
The signaling distributes corresponding resource, thus terminal device access failure.When the terminal device of request access is more, often go out
The case where existing access failure, therefore a kind of method that the present invention proposes resource allocation, are connect with solving terminal device in the prior art
Enter the low success rate of problem of network.
One of the core concepts of the embodiments of the present invention is that the RRC connection that satellite equipment receives terminal device transmission is built
It after vertical request message, is determining there is no when available dedicated control carrier wave, is being terminal device on voice service carrier wave and defend
Signaling between star equipment distributes resource, thus by increase can carrier signaling carrier wave, improve terminal equipment access network
Success rate.
Referring to Fig. 2, a kind of step flow chart of resource allocation embodiment of the present invention is shown, can specifically include following step
It is rapid:
The radio resource control RRC connection that step 201, the satellite equipment receiving terminal apparatus are sent establishes request and disappears
It ceases, includes the signaling occupancy resource requirement between terminal device and satellite equipment in the request message.
In the embodiment of the present invention, terminal device can send RRC connection to satellite equipment and establish when connecting with satellite equipment
Request message, to request signaling of the satellite equipment between terminal device and satellite equipment to distribute resource, therefore, the RRC connects
It connects the signaling established include in request message between terminal device and satellite equipment and occupies resource requirement.Satellite equipment receives institute
It states after RRC connection establishes request message, according to the Internet usage situation in satellite equipment, distributes network money for the signaling
Source, specific as follows:
Step 202 judges whether there is to meet for the first time and distributes the dedicated control carrier wave that the signaling occupies resource requirement.
The Important Thought of the embodiment of the present invention first is that, preferentially selection carries the load of the signaling from dedicated control carrier wave
Wave can be used for carrying if it does not exist the dedicated control carrier wave of the signaling, then can select from voice service carrier wave described in carrying
The carrier wave of signaling.Therefore, satellite equipment judges whether there is satisfaction point after receiving RRC connection and establishing request message for the first time
The dedicated control carrier wave of resource requirement is occupied with the signaling, meets distribute the dedicated of the signaling occupancy resource requirement if it exists
Carrier wave is controlled, thens follow the steps 203；Meet if it does not exist and distribute the dedicated control carrier wave that the signaling occupies resource requirement, then
Execute step 204.
Step 203 searches target carrier from the dedicated control carrier wave for meeting the distribution signaling occupancy resource requirement.
It, then can be according to first when determining the dedicated control carrier wave for existing and meeting the distribution signaling occupancy resource requirement
Preset rules select a dedicated control carrier wave, the dedicated control carrier wave selected then are determined as target carrier, wherein institute
Stating preset rules can be arranged as desired, and the signaling as described in selecting to meet there are dedicated control channel occupies the dedicated of resource requirement
Control carrier wave.
Step 204 searches target carrier from voice service carrier wave.
The embodiment of the present invention determine there is no meet distribute the signaling and occupy the dedicated control carrier wave of resource requirement when,
Can then find out to meet from voice service carrier wave and distribute the voice service carrier wave that the signaling occupies resource requirement, then again from
Meet the signaling to occupy in the slave voice service carrier wave of resource requirement, selects a voice service according to the second preset rules and carry
Wave, then the voice service carrier wave selected is determined as target carrier；Second preset rules are arranged as desired, such as select and hold
Least voice service carrier wave of the number of users of load etc..Wherein, the target carrier is used to distribute resource for the signaling.
Step 205 is the signaling distribution resource in the target carrier and generates resource allocation information and foundation
The resource allocation information generates RRC connection and establishes information and sending to the terminal device.
It is the signaling distribution resource in target carrier, if target carrier is voice service after determining target carrier
Carrier wave occupies the equal resource of resource requirement number then on voice service carrier wave for signaling distribution is corresponding；If the target
Carrier wave is dedicated control carrier wave, then on dedicated control carrier wave, for signaling distribution and corresponding occupancy resource requirement number phase
The dedicated control channel matched.Resource allocation information is produced after distributing resource for the signaling, the resource allocation information is
For carrying the carrier information of the signaling between terminal device and satellite equipment, such as xx Hz voice service carrier wave, xth subframe
X-x time slot；Then RRC connection is generated according to the resource allocation information and establish message, and RRC connection foundation is disappeared
Breath is sent in terminal device by common carrier.To which terminal device can establish the terminal in message according to the RRC connection
Mark, determining that message is established in the RRC connection is the response message that request message is established in RRC connection transmitted by this terminal, so
The resource allocation information in connection message is established according to the RRC afterwards, using the resource transmission signaling on corresponding carrier wave, with satellite
Equipment establishes communication, to access network.
To sum up, the radio resource control RRC connection that the satellite equipment of the embodiment of the present invention receives terminal device transmission is built
Then vertical request message can be needed according to resource is occupied including the signaling between terminal device and satellite equipment in the request message
It asks, distributes resource for the signaling；During distributing resource for the signaling, it can determine whether exist described in satisfaction distribution
The dedicated control carrier wave of signaling occupancy resource requirement, and if it exists, then determine there are available dedicated control carrier wave, can divide from meeting
It is occupied with the signaling in the dedicated control carrier wave of resource requirement and searches target carrier；If it does not exist, i.e., determination is not available
Dedicated control carrier wave, then search target carrier from voice service carrier wave；It then is the signaling distribution money in target carrier
Source simultaneously generates corresponding resource allocation information, then generates RRC connection according to the resource allocation information and establishes message, and by institute
It states RRC connection and establishes message and be sent to terminal device, and then terminal device can establish the corresponding load of message by the RRC connection
Wave carrier signaling realizes the communication with satellite equipment.The embodiment of the present invention determining there are when available dedicated control carrier wave, from
It is available it is dedicated control carrier wave in select can for the signaling distribute resource target carrier, and determine there is no it is available specially
When with control carrier wave, then the target carrier that resource can be distributed for the signaling is selected from voice service carrier wave, and then can either
Using dedicated control carriers carry signaling, also can use voice service carriers carry signaling, increase can carrier signaling load
Wave, to improve the success rate of terminal device access.
In another embodiment of the invention, the dedicated of the signaling occupancy resource requirement is distributed when determining to be not present to meet
When controlling carrier wave, target carrier never can be searched in the voice service carrier wave of accessing user；If the speech industry of never accessing user
Target carrier is not found in business carrier wave, target carrier can also be searched from each voice service carrier wave of accessed user；
It is carried correspondingly, searching target from the voice service carrier wave of different non-accessing users and from the voice service carrier wave of accessed user
The mode of wave is different, specific as follows:
Referring to Fig. 3, the step flow chart of another resource allocation embodiment of the invention is shown.
The radio resource control RRC connection that step 301, the satellite equipment receiving terminal apparatus are sent establishes request and disappears
It ceases, includes the signaling occupancy resource requirement between terminal device and satellite equipment in the request message.
In the embodiment of the present invention, terminal device can realize every business by satellite communication network, and such as voice communication passes
Very, online etc., when terminal device needs to carry out any business, can connect with satellite equipment, then access satellite radio net
In network.Specifically, terminal device can send radio resource control RRC connection to satellite equipment establishes request message, defended with request
Star equipment is the signaling distribution resource of itself and satellite equipment；It include that signaling occupies resource requirement, the letter in the request message
Enabling and occupying resource requirement includes that signaling occupies resource requirement number, can also include other demands in certain request as carried
Power demand of signaling etc..
Step 302 judges whether there is to meet for the first time and distributes the dedicated control carrier wave that the signaling occupies resource requirement.
The satellite equipment of the embodiment of the present invention after receiving the RRC connection and establishing request message, can judge for the first time be
No to there is the dedicated control carrier wave for meeting and distributing the signaling occupancy resource requirement, satisfaction distributes the signaling and occupies money if it exists
The dedicated control carrier wave of source demand, thens follow the steps 315.Due to the data service of voice service carrier wave ratio in carrier wave to network performance
Requirement it is high, in order to guarantee to transmit the real-time of signaling between terminal device and satellite equipment, reduce terminal device access etc.
To the time, therefore, meets distribute the dedicated control carrier wave that the signaling occupies resource requirement if it does not exist, then carried from voice service
The target carrier that can carry the signaling is selected in wave, i.e. execution step 303.
Wherein, the method for meeting and distributing the dedicated control carrier wave that the signaling occupies resource requirement, tool are judged whether there is
Body is as follows: being directed to each dedicated control carrier wave, can determine whether to occupy resource requirement with the presence or absence of with signaling on the dedicated control carrier wave
The unoccupied channel type that number matches, if occupying resource there are channel type and the signaling on the dedicated control carrier wave needs
The channel for asking number to match, it is determined that the dedicated control carrier wave, which meets, distributes the signaling occupancy resource requirement；If the dedicated control
There is no channel types and the signaling to occupy the channel that resource requirement number matches on carrier wave processed, it is determined that the dedicated control carries
Wave is unsatisfactory for distributing the signaling occupancy resource requirement.
It searches to meet in the voice service carrier wave of step 303, never accessing user and distributes the signaling occupancy resource requirement
Carrier wave.
In the voice service carrier wave of satellite equipment, it is understood that there may be accessed user, part in partial voice traffic carrier
User has not been accessed all on voice service carrier wave, the voice service carrier wave of whole accessing users can be determined as to have accessed use
The voice service carrier wave at family carries the voice service that the voice service carrier wave of inwhole accessing users is determined as non-accessing user
Wave；In general, the voice service carrier wave of non-accessing user if it exists, then never search target in the voice service carrier wave of accessing user
Carrier wave；The voice service carrier wave of non-accessing user if it does not exist, or, not found in the voice service carrier wave of never accessing user
Target carrier then searches target carrier from the voice service carrier wave of accessed user.Wherein, the never speech industry of accessing user
The step of being engaged in searching target carrier in carrier wave is specific as follows:
Never it can search to meet in the voice service carrier wave of accessing user and distribute the carrier wave that the signaling occupies resource requirement,
Specifically, can successively judge whether the voice service carrier wave of each non-accessing user meets the signaling and occupy resource requirement, i.e.,
For the voice service carrier wave of each non-accessing user, judge continuous unoccupied in the voice service carrier wave of the non-accessing user
Number of resources (i.e. number of timeslots), if not less than the signaling occupy resource requirement number, if so, can be by the non-accessing user
Voice service carrier wave be determined as meeting and distribute the carrier wave that the signaling occupies resource requirement；If it is not, then this can not accessed use
The voice service carrier wave at family is determined as being unsatisfactory for distributing the carrier wave that the signaling occupies resource requirement, does not then access to next
The voice service carrier wave of user judges.
Resource is occupied if finding satisfaction in the voice service carrier wave of step 304, never accessing user and distributing the signaling
The carrier wave of demand selects the carrier wave of highest priority to be determined as target carrier then from the carrier wave found.
The load that the signaling occupies resource requirement is distributed if finding and meeting in the voice service carrier wave of never accessing user
Wave then can determine each priority for meeting and distributing the carrier wave that the signaling occupies resource requirement according to third preset rules,
In, the third preset rules can be arranged as desired.For example, if in advance according to the frequency point setting speech industry of voice service carrier wave
Be engaged in the priority of carrier wave, then can first determine each frequency point for meeting and distributing the carrier wave that the signaling occupies resource requirement, then according to
Each frequency point for meeting the carrier wave that the distribution signaling occupies resource requirement determines that each satisfaction distributes the signaling and occupies resource requirement
Carrier wave priority.In another example if determining priority according to the quantity of the user accessed on voice service carrier wave in advance, first
Judge each number of users for meeting and accessing on the carrier wave for distributing the signaling occupancy resource requirement, then according to number of users, really
Fixed each priority for meeting the distribution signaling and occupying the carrier wave of resource requirement.Determine that each satisfaction distributes the signaling and occupies resource
After the priority of the carrier wave of demand, ascending order such as can be ranked up to each carrier wave for meeting the distribution signaling occupancy resource requirement and arranged
Then the carrier wave that the satisfaction of highest priority distributes the signaling occupancy resource requirement is determined as target and carried by sequence, descending sort
Wave.
Step 305 gives resource allocation unappropriated in the target carrier to the signaling.
Resource allocation unappropriated in target carrier can be given to the signaling.
It is occupied if not finding satisfaction in the voice service carrier wave of step 306, never accessing user and distributing the signaling
The carrier wave of resource requirement then distributes the signaling from having accessed in each voice service carrier wave for allow to be preempted user to search to meet
Occupy the carrier wave of resource requirement.
In the embodiment of the present invention, the user that the voice service carrier wave of accessed user is accessed includes allowing to be preempted use
Family, and, do not allow to be preempted user, it, will if the user of the voice service carrier wave of accessed user includes allowing to seize user
The voice service carrier wave is determined as having accessed the voice service carrier wave for allowing to be preempted user；If the voice service of accessed user
The user of carrier wave does not include allowing to seize user, then being determined as having accessed by the voice service carrier wave does not allow to be preempted user's
Voice service carrier wave；Wherein, it is described allow to be preempted user and refer to occupy the resource user that allows to be preempted, can be according to user couple
The Mobile Directory Number (Mobile Directory Number, MDN) answered, judges whether the user allows to be preempted,
Such as allow to be preempted with the number of 181 beginnings, and the number of 131 beginnings does not allow to be preempted；And it can be robbed according to permission
It occupies the corresponding MDN in family and determines the priority for allowing to be preempted user.Therefore, if in the voice service carrier wave of never accessing user
It does not find to meet and distributes the carrier wave that the signaling occupies resource requirement, then allow to be preempted each speech of user from having accessed
It searches to meet in traffic carrier and distributes the carrier wave that the signaling occupies resource requirement.
Judgement, which has accessed, to be allowed to be preempted each voice service carrier wave of user and whether meets the distribution signaling and occupy resource
It is the step of demand, specific as follows: to allow to be preempted the voice service carrier wave of user for each having accessed, judge to deposit on the carrier wave
Allowing to be preempted the corresponding occupancy number of resources of user, if resource requirement number is occupied not less than the signaling, if so, determining should
Carrier wave, which meets, distributes the signaling occupancy resource requirement, if it does not exist, it is determined that the carrier wave is unsatisfactory for distributing the signaling occupancy
Resource requirement；And then the signaling occupancy is distributed from having accessed in each voice service carrier wave for allow to be preempted user to search to meet
The carrier wave of resource requirement.
If finding the satisfaction distribution signaling occupancy money from having accessed in the voice service carrier wave for allowing to be preempted user
The carrier wave of source demand, then the priority for allowing to be preempted user occupancy resource according to each carrier wave determines target carrier, specific as follows:
Whether step 307, the priority for judging that whole carrier waves allow to be preempted user occupancy resource are all the same.
In the embodiment of the present invention, it can determine whether that all meeting the permission of access for distributing the signaling occupancy resource requirement is robbed
On the voice service carrier wave for occupying family, whether the priority for allowing to be preempted user occupancy resource is all the same, wherein the permission
It is preempted the priority of user occupancy resource, it is identical as the priority for allowing to be preempted user.If all on whole carrier waves
The priority for allowing to be preempted user occupancy resource be not all it is identical, then can be according to allowing to be preempted user occupancy resource
Priority allows to be preempted user and is ranked up to each, then executes step 308；If all on whole carrier waves allow to be preempted
The priority of user occupancy resource be all it is identical, then follow the steps 309.
Step 308 will allow to be preempted the minimum user of user occupancy resource prioritization and be determined as target user；And it will
The corresponding carrier wave of target user is determined as target carrier.
If all priority for allowing to be preempted user occupancy resource on whole carrier waves be not all it is identical, will permit
Permitted to be preempted the minimum user of user occupancy resource prioritization and be determined as target user, and by the corresponding carrier wave of the target user
It is determined as target carrier.
If all priority for allowing to be preempted user occupancy resource on whole carrier waves be all it is identical, according to each
Allow to be preempted the corresponding occupancy number of resources of user, determines target carrier；It is specific as follows:
Step 309 calculates and each allows to be preempted that user is corresponding occupies number of resources and the signaling occupies resource requirement number
Difference.
Step 310 allows minimal difference is corresponding to be preempted user and is determined as target user.
The corresponding carrier wave of the target user is determined as target carrier by step 311.
In the embodiment of the present invention, can calculate each allows to be preempted that user is corresponding occupies number of resources and the signaling occupies resource
Then the difference of demand number determines target user according to the difference；It, can be by the corresponding permission of minimal difference in order to economize on resources
It is preempted user and is determined as target user, the corresponding carrier wave of the target user is then determined as target carrier.For example, described
It is 4 that signaling, which occupies resource requirement number, and the difference of calculating includes 0,2,4, then it is 0 that resource requirement number difference will be occupied with the signaling
The user that allows to be preempted be determined as target user, i.e., will occupy the user that number of resources is 4 and be determined as target user.
Step 312, the corresponding resource occupied of the release target user.
After determining target user, the corresponding resource occupied of the target user can be discharged, wherein release target is used
There are many modes of family resource, is such as down to 2.4k from 4k as reduction of speed reduces voice service corresponding data transmission rate；Such as switching
Terminal device access cell, for another example the release of radio access bearer, also such as direct end objectives user wireless connection.
Step 313 judges whether there is to meet for the second time and distributes the dedicated control carrier wave that the signaling occupies resource requirement.
During the target user discharges resource, the resource on the dedicated control carrier wave may also be released,
Therefore it can judge whether there is to meet again and distribute the dedicated control carrier wave that the signaling occupies resource requirement, if it exists satisfaction point
The dedicated control carrier wave that resource requirement is occupied with the signaling, thens follow the steps 315；Meet the distribution signaling if it does not exist to account for
With the dedicated control carrier wave of resource requirement, 314 are thened follow the steps.
In addition, in another embodiment of the invention, satellite equipment is opened searching target carrier from voice service carrier wave
Begin, until before being the signaling distribution resource in the target carrier；When detecting that resource is released, can determine whether to deposit
Meeting the dedicated control carrier wave for distributing the signaling and occupying resource requirement, and if it exists, then stop current operation, divide from meeting
It is occupied with the signaling in the dedicated control carrier wave of resource requirement and searches target carrier；If it does not exist, then it continues to execute current
Operation.
Step 314 gives the resource allocation being released in the target carrier to the signaling.
After the dedicated control carrier wave of the determining resource requirement information for being not present and meeting the signaling, by quilt in target carrier
The resource allocation of release gives the signaling.
Step 315 searches target carrier from the dedicated control carrier wave for meeting the distribution signaling occupancy resource requirement.
Step 316 is the signaling distribution matched channel of corresponding occupancy number of resources in target carrier.
Meet if it exists and distribute the dedicated control carrier wave that the signaling occupies resource requirement, then distributes the signaling from satisfaction
It occupies in the dedicated control carrier wave of resource requirement and selects target carrier according to the first preset rules；Then determine target carrier in
The signaling occupies the matched channel of resource requirement number, gives the channel distribution to the signaling.
Step 317 generates resource allocation information, and generates RRC connection according to the resource allocation information and establish message
And it is sent to the terminal device.
It is after the signaling distributes resource, to produce corresponding resource allocation information in target carrier, then according to institute
It states resource allocation information generation RRC connection and establishes message, and message is established into the RRC connection, end is sent to by common carrier
In end equipment.To which terminal device can establish the access network of the resource allocation information in connection message according to the RRC.
In another embodiment of the invention, if all meet the dedicated control load for distributing the signaling occupancy resource requirement
When wave is that the signaling distributes resource failure, then step 303 can be performed.If the voice service that target carrier is non-accessing user carries
Wave, when the voice service carrier wave of highest priority is that the signaling distributes resource failure, then by the speech industry of lesser priority
Business carrier wave is determined as target carrier, to be embodied as the signaling distribution resource, and so on.
It should be noted that being searched in the voice service carrier wave of never accessing user in the embodiment of the present invention and meeting institute
When stating signaling and occupying the matched resource of resource requirement number, the resource of the lookup is continuous resource；Correspondingly, being the signaling
The resource of distribution is also continuous resource.
In the embodiment of the present invention, when there is no the dedicated control carrier wave for distributing the signaling occupancy resource requirement is met,
Target carrier is selected from voice service carrier wave, since voice service carrier wave is higher to performance index requirements, to ensure that letter
Enable the real-time of transmission.And it can also increase from selection target carrier wave in the voice service carrier wave for allow to be preempted user has been accessed
It is more to carry the number of carrier wave of the signaling, and then further improve the success rate of terminal device access satellite network.This
Outside, when from determining target user in the voice service for allowing to be preempted has been accessed, if whole carrier waves allow to be preempted user
The priority for occupying resource is not all the same, then can calculate each allows to be preempted that user is corresponding occupies number of resources and the signaling occupies
Then the difference of resource requirement number allows minimal difference is corresponding to be preempted user and is determined as target user, and by the mesh
The corresponding carrier wave of mark user is determined as target carrier, to save resource, ensure that the reasonable utilization of resource.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Referring to Fig. 4, a kind of structural block diagram of resource allocation device embodiment of the invention is shown；It is specific as follows: to receive
Module 41, judgment module 42, the first searching module 43, the second searching module 44 and distribution module 45, wherein
Receiving module 41, request message is established in the radio resource control RRC connection sent for receiving terminal apparatus, described
It include the signaling occupancy resource requirement between terminal device and satellite equipment in request message；
Judgment module 42 distributes the special of the signaling occupancy resource requirement information for judging whether there is to meet for the first time
With control carrier wave；
First searching module 43, for if it exists, then distributing the dedicated control that the signaling occupies resource requirement from satisfaction
Target carrier is searched in carrier wave；
Second searching module 44, for if it does not exist, then searching target carrier from voice service carrier wave；
Distribution module 45, for being the signaling distribution resource in the target carrier and generating resource allocation information,
And RRC connection is generated according to the resource allocation information and establishes information and sending to the terminal device.
Referring to Fig. 5, the structural block diagram of another resource allocation device embodiment of the invention is shown；Of the invention is another
In a embodiment, described device further include: release module 46, wherein
The release module 46, for discharging the corresponding resource occupied of the target user；The distribution module 45, is used for
Give the resource allocation being released in the target carrier to the signaling.
The judgment module 42 is also used to judge whether there is for the second time to meet and distributes the signaling occupancy resource requirement
Dedicated control carrier wave；First searching module 43, for if it exists, then distributing the signaling from satisfaction and occupying resource requirement
Target carrier is searched in dedicated control carrier wave；The distribution module 44, if specifically for not depositing, by quilt in the target carrier
The resource allocation of release gives the signaling.
In another embodiment of the invention, second searching module 44 include: first carrier search submodule 441,
First determines that submodule 442, the second carrier wave search submodule 443 and second and determine submodule 444, wherein
First carrier searches submodule 441, meets described in distribution for searching in the voice service carrier wave of never accessing user
The carrier wave of signaling occupancy resource requirement；
First determines submodule 442, if meeting distribution institute for finding in the voice service carrier wave of never accessing user
The carrier wave for stating signaling occupancy resource requirement selects the carrier wave of highest priority to be determined as mesh then from the carrier wave found
Mark carrier wave.
Second carrier wave searches submodule 443, if full for not finding in the voice service carrier wave of never accessing user
Foot distributes the carrier wave that the signaling occupies resource requirement, then looks into from having accessed in each voice service carrier wave for allowing to be preempted user
It looks for meeting and distributes the carrier wave that the signaling occupies resource requirement；
Second determines submodule 444, if for finding from having accessed in the voice service carrier wave for allowing to be preempted user
Meet and distribute the carrier wave that the signaling occupies resource requirement, then allows to be preempted the priority of user occupancy resource according to each carrier wave
Determine target carrier.
In another embodiment of the invention, it is described second determine submodule 444 include: priority judging unit 4441,
First carrier determination unit 4442 and the second carrier wave determination unit 4443, wherein
Priority judging unit 4441, for judge whole carrier waves allow to be preempted user occupancy resource priority whether
It is all the same；
First carrier determination unit 4442, if will allow to be preempted user occupancy resource prioritization most for not identical
Low user is determined as target user；And the corresponding carrier wave of target user is determined as target carrier；
Second carrier wave determination unit 4443, for if they are the same, then allowing to be preempted the corresponding occupancy number of resources of user according to each,
Determine target carrier.
In another embodiment of the invention, the second carrier wave determination unit 4443 is specifically used for calculating each permission quilt
Seize the corresponding difference for occupying number of resources and signaling occupancy resource requirement number of user；The corresponding permission of minimal difference is robbed
It occupies family and is determined as target user；The corresponding carrier wave of the target user is determined as target carrier.
Request is established in the radio resource control RRC connection that the satellite equipment of the embodiment of the present invention receives terminal device transmission
Then message can occupy resource requirement including the signaling between terminal device and satellite equipment according in the request message, be
The signaling distributes resource；During distributing resource for the signaling, it can determine whether to exist to meet and distribute the signaling
Occupy the dedicated control carrier wave of resource requirement, and if it exists, then determine there are available dedicated control carrier wave, institute can be distributed from meeting
It states in the dedicated control carrier wave of signaling occupancy resource requirement and searches target carrier；If it does not exist, that is, it determines no available dedicated
Carrier wave is controlled, then searches target carrier from voice service carrier wave；It then is that the signaling distributes resource simultaneously in target carrier
Corresponding resource allocation information is generated, then RRC connection is generated according to the resource allocation information and establishes message, and will be described
RRC connection establishes message and is sent to terminal device, and then terminal device can establish the corresponding carrier wave of message by the RRC connection
Carrier signaling realizes the communication with satellite equipment.The embodiment of the present invention determining there are when available dedicated control carrier wave, from can
The target carrier that can distribute resource for the signaling is selected in dedicated control carrier wave, and is determining that there is no available dedicated
When controlling carrier wave, then the target carrier of resource can be distributed for the signaling by selecting from voice service carrier wave, and then can either be adopted
With dedicated control carriers carry signaling, can also use voice service carriers carry signaling, increase can carrier signaling carrier wave,
To improve the success rate of terminal device access.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of system embodiment.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of resource allocation methods provided by the present invention and a kind of resource allocation device, detailed Jie has been carried out
It continues, used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only
It is to be used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to this hair
Bright thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (14)
1. a kind of resource allocation methods, which is characterized in that be applied in satellite communication system, the satellite communication system includes defending
Star equipment and terminal device, which comprises
Request message is established in the radio resource control RRC connection that the satellite equipment receiving terminal apparatus is sent, and the request disappears
It include the signaling occupancy resource requirement between terminal device and satellite equipment in breath；
It judges whether there is to meet for the first time and distributes the dedicated control carrier wave that the signaling occupies resource requirement；
If it exists, then target carrier is searched from the dedicated control carrier wave for meeting the distribution signaling occupancy resource requirement；
If it does not exist, then target carrier is searched from voice service carrier wave；
It is the signaling distribution resource in the target carrier and generates resource allocation information, and according to the resource allocation
Information generates RRC connection and establishes information and sending to the terminal device.
2. the method according to claim 1, wherein searching target carrier from voice service carrier wave, comprising:
Never it searches to meet in the voice service carrier wave of accessing user and distributes the carrier wave that the signaling occupies resource requirement；
The carrier wave that the signaling occupies resource requirement is distributed if finding and meeting in the voice service carrier wave of never accessing user,
From the carrier wave found, the carrier wave of highest priority is selected to be determined as target carrier.
3. according to the method described in claim 2, it is characterized in that, searching target carrier from voice service carrier wave, comprising:
The load that the signaling occupies resource requirement is distributed if not finding and meeting in the voice service carrier wave of never accessing user
Wave then distributes the signaling and occupies resource requirement from having accessed in each voice service carrier wave for allow to be preempted user to search to meet
Carrier wave；
If finding the satisfaction distribution signaling occupancy resource need from having accessed in the voice service carrier wave for allowing to be preempted user
The carrier wave asked, the then priority for allowing to be preempted user occupancy resource according to each carrier wave determine target carrier.
4. according to the method described in claim 3, it is characterized in that, allowing to be preempted the excellent of user occupancy resource according to each carrier wave
The step of first grade determines target carrier, determines target carrier, comprising:
Whether the priority for judging that whole carrier waves allow to be preempted user occupancy resource is all the same；
If not identical, it will allow to be preempted the minimum user of user occupancy resource prioritization and be determined as target user；And it will
The corresponding carrier wave of target user is determined as target carrier；
If they are the same, then allow to be preempted the corresponding occupancy number of resources of user according to each, determine target carrier.
5. according to the method described in claim 4, it is characterized in that, allow to be preempted that user is corresponding occupies number of resources according to each,
The step of determining target carrier, comprising:
Calculate each difference for allowing to be preempted the corresponding occupancy number of resources of user and signaling occupancy resource requirement number；
Allow minimal difference is corresponding to be preempted user and be determined as target user；
The corresponding carrier wave of the target user is determined as target carrier.
6. according to the method described in claim 5, it is characterized in that, the corresponding carrier wave of the target user is determined as described
After the step of target carrier, the method also includes:
Discharge the corresponding resource occupied of the target user；
The step of being the signaling distribution resource in the target carrier, comprising:
Give the resource allocation being released in the target carrier to the signaling.
7. according to the method described in claim 6, it is characterized in that, the step of discharging the resource of the corresponding occupancy of the target user
Before, further includes:
It judges whether there is to meet for the second time and distributes the dedicated control carrier wave that the signaling occupies resource requirement；
If it exists, then target carrier is searched from the dedicated control carrier wave for meeting the distribution signaling occupancy resource requirement；
If it does not exist, then execute it is described by the resource allocation being released in the target carrier to the signaling the step of.
8. a kind of resource allocation device, which is characterized in that applied in the satellite equipment in satellite communication system, described device packet
It includes:
Request message is established in receiving module, the radio resource control RRC connection sent for receiving terminal apparatus, and the request disappears
It include the signaling occupancy resource requirement between terminal device and satellite equipment in breath；
Judgment module, for judging whether there is the dedicated control load for meeting and distributing the signaling and occupying resource requirement for the first time
Wave；
First searching module is used for if it exists, then from the dedicated control carrier wave for meeting the distribution signaling occupancy resource requirement
Search target carrier；
Second searching module, for if it does not exist, then searching target carrier from voice service carrier wave；
Distribution module, for being the signaling distribution resource in the target carrier and generating resource allocation information, Yi Jiyi
RRC connection, which is generated, according to the resource allocation information establishes information and sending to the terminal device.
9. device according to claim 8, which is characterized in that second searching module includes:
First carrier searches submodule, accounts for for searching the satisfaction distribution signaling in the voice service carrier wave of never accessing user
With the carrier wave of resource requirement；
First determines submodule, if accounting for for finding the satisfaction distribution signaling in the voice service carrier wave of never accessing user
The carrier wave of highest priority is selected to be determined as target carrier then from the carrier wave found with the carrier wave of resource requirement.
10. device according to claim 9, which is characterized in that second searching module includes:
Second carrier wave searches submodule, if meeting distribution institute for not finding in the voice service carrier wave of never accessing user
State signaling occupy resource requirement carrier wave, then from accessed allow to be preempted user each voice service carrier wave in search meet point
The carrier wave of resource requirement is occupied with the signaling；
Second determine submodule, if for from accessed in the voice service carrier wave for allowing to be preempted user find satisfaction distribution
The signaling occupies the carrier wave of resource requirement, then the priority for allowing to be preempted user occupancy resource according to each carrier wave determines target
Carrier wave.
11. device according to claim 10, which is characterized in that described second determines that submodule includes:
Priority judging unit, for judge whole carrier waves allow to be preempted user occupancy resource priority it is whether all the same；
First carrier determination unit, if will allow to be preempted the minimum user of user occupancy resource prioritization for not identical
It is determined as target user；And the corresponding carrier wave of target user is determined as target carrier；
Second carrier wave determination unit, for if they are the same, then allowing to be preempted the corresponding occupancy number of resources of user according to each, determining target
Carrier wave.
12. device according to claim 11, which is characterized in that
The second carrier wave determination unit allows to be preempted the corresponding occupancy number of resources of user and the signaling specifically for calculating is each
Occupy the difference of resource requirement number；Allow minimal difference is corresponding to be preempted user and be determined as target user；By the target
The corresponding carrier wave of user is determined as target carrier.
13. device according to claim 12, which is characterized in that further include:
Release module, for discharging the corresponding resource occupied of the target user；
The distribution module, the resource allocation for will be released in the target carrier give the signaling.
14. device according to claim 13, which is characterized in that
The judgment module is also used to judge whether there is for the second time to meet and distributes the dedicated control that the signaling occupies resource requirement
Carrier wave processed；
First searching module, for if it exists, then being carried from the dedicated control for meeting the distribution signaling occupancy resource requirement
Target carrier is searched in wave；
The distribution module is specifically used for if it does not exist, then giving the resource allocation being released in the target carrier to the letter
It enables.
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