CN105228218A - The admittance control method of distance terminal and relevant apparatus in D2D communication - Google Patents
The admittance control method of distance terminal and relevant apparatus in D2D communication Download PDFInfo
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- CN105228218A CN105228218A CN201510622259.4A CN201510622259A CN105228218A CN 105228218 A CN105228218 A CN 105228218A CN 201510622259 A CN201510622259 A CN 201510622259A CN 105228218 A CN105228218 A CN 105228218A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/06—Access restriction performed under specific conditions based on traffic conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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Abstract
The invention provides admittance control method and the relevant apparatus of distance terminal in a kind of D2D communication, wherein, the admittance control method of distance terminal in D2D communication, comprising: link terminal, when receiving the connection request that distance terminal sends, detects state and the ability information of described link terminal; According to described state and ability information, judge whether described link terminal can carry out scheduling of resource and access control to described distance terminal, to obtain the ability label of described link terminal; Described ability label is reported to base station, for the service condition of described base station according to the communication resource of described ability label and described base station, determines the equipment described distance terminal being carried out to scheduling of resource and access control.Technical scheme of the present invention efficiently solves access control problem when distance terminal and link terminal connect and resource scheduling, guarantees that distance terminal and link terminal can carry out D2D and communicate.
Description
Technical field
The present invention relates to communication technical field, in a kind of D2D communication the admittance control method of distance terminal, a kind of D2D communicate in the access permission control device of distance terminal.
Background technology
The direct-connected communication technology (the DevicetoDevice of terminal, i.e. D2D) refer to user terminal (UserEquipment, UE) direct communication can be carried out between, and do not need the transmission through equipment such as base station (eNB) or forwarding, in the coverage that D2D communication can be deployed in cellular network and/or outside network coverage.
UE-TO-NW (UE-to-Network) relaying is the new features introduced in D2D communication, there is the advantage of flexible deployment, network coverage can be expanded when not increasing conventional network equipment, even having important application in public safety communication (as earthquake, war) field at business telecommunication.
At present, link definition during D2D communicates by 3GPP between UE is secondary link (Sidelink), specifically as shown in Figure 1, when the network coverage that far-end UE is in base station is outer, cannot set up with base station and well be connected, but but can set up good D2D with the relaying UE in the network coverage closed on to communicate, therefore, far-end UE can be connected with base station or other network nodes by relaying UE.Meanwhile, 3GPP defines the following two spike-type cultivars method of salary distribution:
Mode one: under RRC connection status, UE asks transfer resource to eNB, eNB is UE scheduling resource according to the reporting information of UE, and this kind of mode does not need resource pool;
Mode two: UE independently selects transfer resource from resource pool, now needs the resource pool of pre-configured resource pool or eNB configuration.
When UE is in network coverage, any one mode in above-mentioned two kinds of modes can be adopted to carry out Resourse Distribute according to eNB configuration; And when the mode two of employing, resource pool information is arranged by sending RRC (RadioResourceControl, radio resource control) signaling by eNB, and this resource pool information is informed the UE in coverage by the mode of broadcast.
There is the UE of relay capabilities after being initialized to as relaying UE and chosen by far-end UE, need to connect with far-end UE.And due to the ability of far-end UE and the restriction of Radio Resource, need to solve relaying UE and far-end UE access control problem in the connection setup, and the solution of being correlated with is not proposed in correlation technique.
Therefore, needing a kind of new technical scheme, effectively can solving the access control problem of far-end UE when connecting with relaying UE.
Summary of the invention
The present invention just based on above-mentioned technical problem one of at least, propose the access control scheme of distance terminal in a kind of new D2D communication, efficiently solve access control problem when distance terminal and link terminal connect and resource scheduling, guarantee that distance terminal and link terminal can carry out D2D and communicate.
In view of this, the present invention proposes the admittance control method of distance terminal in a kind of D2D communication, being applicable to the link terminal be in base station range, comprising: when receiving the connection request that distance terminal sends, detecting state and the ability information of described link terminal; According to described state and ability information, judge whether described link terminal can carry out scheduling of resource and access control to described distance terminal, to obtain the ability label of described link terminal; Described ability label is reported to described base station, for the service condition of described base station according to the communication resource of described ability label and described base station, determines the equipment described distance terminal being carried out to scheduling of resource and access control.
In this technical scheme, link terminal is by when receiving the connection request that distance terminal sends, detect self state and ability information, the ability label of self is determined according to state and ability information, and the ability label of self is reported to base station, make base station can determine to carry out distance terminal according to the service condition of the communication resource of the ability label of link terminal and base station the equipment of scheduling of resource and access control, and then the scheduling of resource that can realize distance terminal and access control, efficiently solve access control problem when distance terminal and link terminal connect and resource scheduling, guarantee that distance terminal and link terminal can carry out D2D and communicate.
Embodiment according to a second aspect of the present invention, also proposed the admittance control method of distance terminal in a kind of D2D communication, be applicable to base station, comprise: receive the ability label that link terminal sends, whether described ability label is used to indicate described link terminal can carry out scheduling of resource and access control to distance terminal; According to the service condition of the communication resource of described ability label and described base station, determine the equipment described distance terminal being carried out to scheduling of resource and access control.
In this technical scheme, the ability label that base station sends by receiving link terminal, and determine according to the service condition of the ability label of link terminal and the communication resource of base station equipment distance terminal being carried out to scheduling of resource and access control, achieve the scheduling of resource to distance terminal and access control, efficiently solve access control problem when distance terminal and link terminal connect and resource scheduling, guarantee that distance terminal and link terminal can carry out D2D and communicate.
According to a third aspect of the invention we, also proposed the access permission control device of distance terminal in a kind of D2D communication, be applicable to the link terminal be in base station range, comprise: the first detecting unit, for when receiving the connection request that distance terminal sends, detect state and the ability information of described link terminal; Judging unit, for according to described state and ability information, judges whether described link terminal can carry out scheduling of resource and access control to described distance terminal, to obtain the ability label of described link terminal; First transmitting element, for described ability label is reported to described base station, for the service condition of described base station according to the communication resource of described ability label and described base station, determines the equipment described distance terminal being carried out to scheduling of resource and access control.
In this technical scheme, link terminal is by when receiving the connection request that distance terminal sends, detect self state and ability information, the ability label of self is determined according to state and ability information, and the ability label of self is reported to base station, make base station can determine to carry out distance terminal according to the service condition of the communication resource of the ability label of link terminal and base station the equipment of scheduling of resource and access control, and then the scheduling of resource that can realize distance terminal and access control, efficiently solve access control problem when distance terminal and link terminal connect and resource scheduling, guarantee that distance terminal and link terminal can carry out D2D and communicate.
According to a forth aspect of the invention, also proposed the access permission control device of distance terminal in a kind of D2D communication, be applicable to base station, comprise: receiving element, for receiving the ability label that link terminal sends, whether described ability label is used to indicate described link terminal can carry out scheduling of resource and access control to distance terminal; Processing unit, for the service condition of the communication resource according to described ability label and described base station, determines the equipment described distance terminal being carried out to scheduling of resource and access control.
In this technical scheme, the ability label that base station sends by receiving link terminal, and determine according to the service condition of the ability label of link terminal and the communication resource of base station equipment distance terminal being carried out to scheduling of resource and access control, achieve the scheduling of resource to distance terminal and access control, efficiently solve access control problem when distance terminal and link terminal connect and resource scheduling, guarantee that distance terminal and link terminal can carry out D2D and communicate.
In the embodiment of the present invention, when link terminal both carried out access control to distance terminal, when again scheduling of resource being carried out to distance terminal, base station needs to send to link terminal the condition regaining admission control function, so that link terminal judges whether admission control function to give back base station according to the condition of the service condition of the communication resource of base station and withdrawal admission control function.By above technical scheme, efficiently solve access control problem when distance terminal and link terminal connect and resource scheduling, guarantee that distance terminal and link terminal can carry out D2D and communicate.
Accompanying drawing explanation
Fig. 1 shows the system configuration schematic diagram of UE-TO-NW relaying in D2D communication;
Fig. 2 shows the schematic flow diagram of the admittance control method of distance terminal in D2D communication according to first embodiment of the invention;
Fig. 3 shows the schematic block diagram of the access permission control device of distance terminal in D2D communication according to first embodiment of the invention;
Fig. 4 shows the schematic block diagram of terminal according to an embodiment of the invention;
Fig. 5 shows the schematic flow diagram of the admittance control method of distance terminal in the D2D communication according to second embodiment of the present invention;
Fig. 6 shows the schematic block diagram of the access permission control device of distance terminal in the D2D communication according to second embodiment of the present invention;
Fig. 7 shows the schematic block diagram of base station according to an embodiment of the invention;
Fig. 8 shows the schematic flow diagram of the relay connection admittance control method in D2D communication according to first embodiment of the invention;
Fig. 9 shows the schematic flow diagram according to the relay connection admittance control method in the D2D communication of second embodiment of the present invention;
Figure 10 shows the schematic flow diagram according to the relay connection admittance control method in the D2D communication of the 3rd embodiment of the present invention.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 2 shows the schematic flow diagram of the admittance control method of distance terminal in D2D communication according to first embodiment of the invention.
As shown in Figure 2, the admittance control method of distance terminal in D2D communication according to first embodiment of the invention, is applicable to the link terminal be in base station range, comprises:
Step 202, when receiving the connection request that distance terminal sends, detects state and the ability information of described link terminal;
Step 204, according to described state and ability information, judges whether described link terminal can carry out scheduling of resource and access control to described distance terminal, to obtain the ability label of described link terminal;
Step 206, reports to described base station by described ability label, for the service condition of described base station according to the communication resource of described ability label and described base station, determines the equipment described distance terminal being carried out to scheduling of resource and access control.
In this technical scheme, link terminal is by when receiving the connection request that distance terminal sends, detect self state and ability information, the ability label of self is determined according to state and ability information, and the ability label of self is reported to base station, make base station can determine to carry out distance terminal according to the service condition of the communication resource of the ability label of link terminal and base station the equipment of scheduling of resource and access control, and then the scheduling of resource that can realize distance terminal and access control, efficiently solve access control problem when distance terminal and link terminal connect and resource scheduling, guarantee that distance terminal and link terminal can carry out D2D and communicate.
In technique scheme, preferably, also comprise: receive described base station send by described link terminal, the notice signaling of scheduling of resource and/or access control is carried out to described distance terminal time, scheduling of resource and/or access control are carried out to described distance terminal.
In above-mentioned arbitrary technical scheme, preferably, if what receive the transmission of described base station carries out access control by described link terminal to described distance terminal, but described distance terminal is carried out to the notification instruction of scheduling of resource by described base station, then described admittance control method also comprises:
Receive the admission control criteria that described base station sends; According to described admission control criteria, judge whether the access allowing described distance terminal, if so, then set up the direct-connected communication between described distance terminal.
In this technical scheme, when link terminal carries out access control to distance terminal, and when scheduling of resource being carried out to distance terminal by base station, the admission control criteria that link terminal sends by receiving base station, make link terminal can judge whether to allow distance terminal access according to admission control criteria, effectively achieve the access control to distance terminal.
In above-mentioned arbitrary technical scheme, preferably, if receive the notification instruction of by described link terminal, described distance terminal being carried out to scheduling of resource and access control that described base station sends, then described admittance control method also comprises: the condition receiving the withdrawal admission control function that described base station sends; The service condition of the communication resource of the described base station of real-time detection, according to the service condition of the described communication resource and the condition of described withdrawal admission control function, determines whether to need to stop carrying out access control to described distance terminal; When determining to need to stop carrying out access control to described distance terminal, send a notification message to described base station, to make the access control of described base station realization to described distance terminal.
In this technical scheme, when link terminal both carried out access control to distance terminal, when again scheduling of resource being carried out to distance terminal, base station needs to send to link terminal the condition regaining admission control function, so that link terminal judges whether admission control function to give back base station according to the condition of the service condition of the communication resource of base station and withdrawal admission control function.
In above-mentioned arbitrary technical scheme, preferably, described state and ability information comprise: the quantity of the dump energy information of described link terminal, power consumption, current maximum distal terminal of serving and estimate the maximum service time, whether have the ability of scheduling resource.
Fig. 3 shows the schematic block diagram of the access permission control device of distance terminal in D2D communication according to first embodiment of the invention.
As shown in Figure 3, in D2D communication according to first embodiment of the invention, the access permission control device 300 of distance terminal, is applicable to the link terminal be in base station range, comprises: the first detecting unit 302, judging unit 304 and the first transmitting element 306.
Wherein, the first detecting unit 302, for when receiving the connection request that distance terminal sends, detects state and the ability information of described link terminal; Judging unit 304, for according to described state and ability information, judges whether described link terminal can carry out scheduling of resource and access control to described distance terminal, to obtain the ability label of described link terminal; First transmitting element 306, for described ability label is reported to described base station, for the service condition of described base station according to the communication resource of described ability label and described base station, determines the equipment described distance terminal being carried out to scheduling of resource and access control.
In this technical scheme, link terminal is by when receiving the connection request that distance terminal sends, detect self state and ability information, the ability label of self is determined according to state and ability information, and the ability label of self is reported to base station, make base station can determine to carry out distance terminal according to the service condition of the communication resource of the ability label of link terminal and base station the equipment of scheduling of resource and access control, and then the scheduling of resource that can realize distance terminal and access control, efficiently solve access control problem when distance terminal and link terminal connect and resource scheduling, guarantee that distance terminal and link terminal can carry out D2D and communicate.
In technique scheme, preferably, also comprise: processing unit 308, for receive described base station send by described link terminal, the notice signaling of scheduling of resource and/or access control is carried out to described distance terminal time, scheduling of resource and/or access control are carried out to described distance terminal.
In above-mentioned arbitrary technical scheme, preferably, if what receive the transmission of described base station carries out access control by described link terminal to described distance terminal, but by described base station, described distance terminal is carried out to the notification instruction of scheduling of resource, then described access permission control device 300 also comprises: the first receiving element 310, for receiving the admission control criteria that described base station sends; Described processing unit 308 specifically for, according to described admission control criteria, judge whether the access allowing described distance terminal, if so, then set up with described distance terminal between direct-connected communication.
In this technical scheme, when link terminal carries out access control to distance terminal, and when scheduling of resource being carried out to distance terminal by base station, the admission control criteria that link terminal sends by receiving base station, make link terminal can judge whether to allow distance terminal access according to admission control criteria, effectively achieve the access control to distance terminal.
In above-mentioned arbitrary technical scheme, preferably, if receive the notification instruction of by described link terminal, described distance terminal being carried out to scheduling of resource and access control that described base station sends, then described access permission control device 300 also comprises: the second receiving element 312, for receiving the condition of the withdrawal admission control function that described base station sends; Second detecting unit 314, for detecting the service condition of the communication resource of described base station in real time; Determining unit 316, for according to the service condition of the described communication resource and the condition of described withdrawal admission control function, determines whether to need to stop carrying out access control to described distance terminal; Second transmitting element 318, during for determining in described determining unit 316 to need to stop carrying out access control to described distance terminal, sends a notification message to described base station, to make the access control of described base station realization to described distance terminal.
In this technical scheme, when link terminal both carried out access control to distance terminal, when again scheduling of resource being carried out to distance terminal, base station needs to send to link terminal the condition regaining admission control function, so that link terminal judges whether admission control function to give back base station according to the condition of the service condition of the communication resource of base station and withdrawal admission control function.
In above-mentioned arbitrary technical scheme, preferably, described state and ability information comprise: the quantity of the dump energy information of described link terminal, power consumption, current maximum distal terminal of serving and estimate the maximum service time, whether have the ability of scheduling resource.
Fig. 4 shows the schematic block diagram of terminal according to an embodiment of the invention.
As shown in Figure 4, terminal 400 according to an embodiment of the invention, comprising: the access permission control device 400 of distance terminal in D2D communication as shown in Figure 4.
Fig. 5 shows the schematic flow diagram of the admittance control method of distance terminal in the D2D communication according to second embodiment of the present invention.
As shown in Figure 5, according to the admittance control method of distance terminal in the D2D communication of second embodiment of the present invention, be applicable to base station, comprise:
Step 502, receive the ability label that link terminal sends, whether described ability label is used to indicate described link terminal can carry out scheduling of resource and access control to distance terminal;
Step 504, according to the service condition of the communication resource of described ability label and described base station, determines the equipment described distance terminal being carried out to scheduling of resource and access control.
In this technical scheme, the ability label that base station sends by receiving link terminal, and determine according to the service condition of the ability label of link terminal and the communication resource of base station equipment distance terminal being carried out to scheduling of resource and access control, achieve the scheduling of resource to distance terminal and access control, efficiently solve access control problem when distance terminal and link terminal connect and resource scheduling, guarantee that distance terminal and link terminal can carry out D2D and communicate.
In technique scheme, preferably, determine that the step of described distance terminal being carried out to the equipment of scheduling of resource specifically comprises: when the service condition of the communication resource according to described ability label and described base station determines that described link terminal can not carry out scheduling of resource to described distance terminal, by described base station, scheduling of resource is carried out to described distance terminal; And
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can carry out scheduling of resource to described distance terminal, by described link terminal or described base station, scheduling of resource is carried out to described distance terminal.
In this technical scheme, if scheduling of resource can be carried out to distance terminal according to the service condition determination link terminal of the ability label of link terminal and the communication resource of base station in base station, then both can realize scheduling of resource to distance terminal by link terminal, the scheduling of resource that also can realize distance terminal by base station; If scheduling of resource can not be carried out to distance terminal according to the service condition determination link terminal of the ability label of link terminal and the communication resource of base station in base station, then can only by the scheduling of resource of base station realization to distance terminal.
In above-mentioned arbitrary technical scheme, preferably, determine that the step of described distance terminal being carried out to the equipment of access control specifically comprises:
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can not carry out access control to described distance terminal, by described base station, access control is carried out to described distance terminal; And
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can carry out access control to described distance terminal, by described link terminal or described base station, access control is carried out to described distance terminal.
In this technical scheme, if access control can be carried out to distance terminal according to the service condition determination link terminal of the ability label of link terminal and the communication resource of base station in base station, then both can realize access control to distance terminal by link terminal, the access control that also can realize distance terminal by base station; If access control can not be carried out to distance terminal according to the service condition determination link terminal of the ability label of link terminal and the communication resource of base station in base station, then can only by the access control of base station realization to distance terminal.
In above-mentioned arbitrary technical scheme, preferably, determining to carry out access control by described link terminal to described distance terminal, and when scheduling of resource being carried out to described distance terminal by described base station, described admittance control method also comprises: according to the service condition of the demand of communication service and the communication resource of described base station, determine admission control criteria; Described admission control criteria is sent to described link terminal, based on described admission control criteria, access control is carried out to described distance terminal to make described link terminal.
In this technical scheme, when link terminal carries out access control to distance terminal, and when scheduling of resource being carried out to distance terminal by base station, the admission control criteria of base station by sending to link terminal, make link terminal can judge whether to allow distance terminal access according to admission control criteria, effectively achieve the access control to distance terminal.
In above-mentioned arbitrary technical scheme, preferably, when determining to carry out scheduling of resource and access control by described link terminal to described distance terminal, described admittance control method also comprises:
Sending the condition regaining admission control function to described link terminal, to make described link terminal when judging to need to stop carrying out access control to described distance terminal, sending a notification message to described base station; When receiving described notification message, by described base station, access control is carried out to described distance terminal.
In this technical scheme, when link terminal both carried out access control to distance terminal, when again scheduling of resource being carried out to distance terminal, base station needs to send to link terminal the condition regaining admission control function, so that link terminal judges whether admission control function to give back base station according to the condition of the service condition of the communication resource of base station and withdrawal admission control function.
Fig. 6 shows the schematic block diagram of the access permission control device of distance terminal in the D2D communication according to second embodiment of the present invention.
As shown in Figure 6, according to the access permission control device 600 of distance terminal in the D2D communication of second embodiment of the present invention, be applicable to base station, comprise: receiving element 602 and processing unit 604.
Wherein, receiving element 602, for receiving the ability label that link terminal sends, whether described ability label is used to indicate described link terminal can carry out scheduling of resource and access control to distance terminal; Processing unit 604, for the service condition of the communication resource according to described ability label and described base station, determines the equipment described distance terminal being carried out to scheduling of resource and access control.
In this technical scheme, the ability label that base station sends by receiving link terminal, and determine according to the service condition of the ability label of link terminal and the communication resource of base station equipment distance terminal being carried out to scheduling of resource and access control, achieve the scheduling of resource to distance terminal and access control, efficiently solve access control problem when distance terminal and link terminal connect and resource scheduling, guarantee that distance terminal and link terminal can carry out D2D and communicate.
In technique scheme, preferably, described processing unit 604 determines that the operation described distance terminal being carried out to the equipment of scheduling of resource specifically comprises: when the service condition of the communication resource according to described ability label and described base station determines that described link terminal can not carry out scheduling of resource to described distance terminal, carry out scheduling of resource by described base station to described distance terminal; And
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can carry out scheduling of resource to described distance terminal, by described link terminal or described base station, scheduling of resource is carried out to described distance terminal.
In this technical scheme, if scheduling of resource can be carried out to distance terminal according to the service condition determination link terminal of the ability label of link terminal and the communication resource of base station in base station, then both can realize scheduling of resource to distance terminal by link terminal, the scheduling of resource that also can realize distance terminal by base station; If scheduling of resource can not be carried out to distance terminal according to the service condition determination link terminal of the ability label of link terminal and the communication resource of base station in base station, then can only by the scheduling of resource of base station realization to distance terminal.
In above-mentioned arbitrary technical scheme, preferably, described processing unit 604 determines that the operation described distance terminal being carried out to the equipment of access control specifically comprises: when the service condition of the communication resource according to described ability label and described base station determines that described link terminal can not carry out access control to described distance terminal, carry out access control by described base station to described distance terminal; And
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can carry out access control to described distance terminal, by described link terminal or described base station, access control is carried out to described distance terminal.
In this technical scheme, if access control can be carried out to distance terminal according to the service condition determination link terminal of the ability label of link terminal and the communication resource of base station in base station, then both can realize access control to distance terminal by link terminal, the access control that also can realize distance terminal by base station; If access control can not be carried out to distance terminal according to the service condition determination link terminal of the ability label of link terminal and the communication resource of base station in base station, then can only by the access control of base station realization to distance terminal.
In above-mentioned arbitrary technical scheme, preferably, determining to carry out access control by described link terminal to described distance terminal, and when scheduling of resource being carried out to described distance terminal by described base station, described access permission control device 600 also comprises: determining unit 606, for the service condition according to the demand of communication service and the communication resource of described base station, determine admission control criteria; First transmitting element 608, for described admission control criteria is sent to described link terminal, carries out access control based on described admission control criteria to described distance terminal to make described link terminal.
In this technical scheme, when link terminal carries out access control to distance terminal, and when scheduling of resource being carried out to distance terminal by base station, the admission control criteria of base station by sending to link terminal, make link terminal can judge whether to allow distance terminal access according to admission control criteria, effectively achieve the access control to distance terminal.
In above-mentioned arbitrary technical scheme, preferably, when determining to carry out scheduling of resource and access control by described link terminal to described distance terminal, described access permission control device 600 also comprises: the second transmitting element 610, for sending the condition regaining admission control function to described link terminal, to make described link terminal when judging to need to stop carrying out access control to described distance terminal, send a notification message to described base station; Described processing unit 604 also for, when receiving described notification message, by described base station, access control is carried out to described distance terminal.
In this technical scheme, when link terminal both carried out access control to distance terminal, when again scheduling of resource being carried out to distance terminal, base station needs to send to link terminal the condition regaining admission control function, so that link terminal judges whether admission control function to give back base station according to the condition of the service condition of the communication resource of base station and withdrawal admission control function.
Fig. 7 shows the schematic block diagram of base station according to an embodiment of the invention.
As shown in Figure 7, base station 700 according to an embodiment of the invention, comprising: the access permission control device 600 of distance terminal in D2D communication as shown in Figure 6.
Technical scheme of the present invention is described in detail below in conjunction with Fig. 8 to Figure 10.
Due in current 3GPP agreement, not yet regulation eNB cover in the mechanism that how connects with far-end UE of relaying UE, for this reason, the present invention proposes in connection establishment admission control mechanism process, the operation mechanism that UE and eNB is respective.
In connection establishment process, which kind of resources employment methods relaying UE adopts assess to self being applicable to, better to manage the cut-in operation of far-end UE in connection establishment process.ENB end, in conjunction with the assessment of relaying UE and the assessment of self, determines to adopt which kind of resources employment methods.For final the taked resources employment methods of UE-TO-NW system, UE-TO-NW connection establishment process can correspondingly adjust.
For UE-TO-NW trunking traffic, there is some relayings UE and can calculate and perform complicated algorithm, possess scheduling of resource ability, can be directly oneself and far-end UE scheduling transmission resources.Consider that relaying UE disposal ability is in lifting in varying degrees, the present invention proposes following several relay connection access control mode:
Mode one: relaying UE performs resources employment methods evaluation function, and assessment result is reported eNB; ENB judges to adopt eNB scheduling resource pattern according to reporting content and own situation, and connection establishment admission control function directly will be performed by eNB, and result of determination is fed back to relaying UE by eNB.
Mode two: relaying UE performs resources employment methods evaluation function, and assessment result is reported eNB; ENB judges to adopt eNB scheduling resource pattern according to reporting content and own situation, and connection establishment admission control function will be performed by relaying UE, and result of determination is fed back to relaying UE by eNB.
Mode three: relaying UE performs resources employment methods evaluation function, and assessment result is reported eNB; ENB judges to adopt relaying UE scheduling resource pattern according to reporting content and own situation, and connection establishment admission control function will be performed by relaying UE, and result of determination is fed back to relaying UE by eNB, comprises the condition that eNB regains admission control function in feedback information.
In mode three, relaying UE monitors the situation of own schedule, reach certain condition (namely regaining the condition of admission control function) when scheduling of resource uses, will report eNB and regain admission control function by it, the access control of follow-up far-end UE will be decided by eNB.
Above-mentioned three kinds of modes have its applicable situation, when changes in channel conditions or active user's demand change cause current way inapplicable time, the connection establishment mode being converted to other can be considered, therefore, in the present invention, eNB and UE end all can adjust respective function according to current actual scene, current connection establishment mode is converted to other mode.The present invention gives in connection establishment process, UE and eNB needs the operation performed separately, solves access control problem.
Below describe three kinds of above-mentioned modes in detail:
Mode one, as shown in Figure 8:
Relaying UE is after the connection request receiving far-end UE, according to oneself state and ability (dump energy, power consumption, the maximum distal UE quantity that can serve, whether there is self scheduling resource capability, if have, current residual electricity can be supported the maximum distal UE quantity of dispatch service and estimate the maximum service time) which kind of resources employment methods of the applicable employing of assessment, assessment result is reported eNB.
ENB is after the reported result receiving relaying UE, according to the resource service condition of current service cell, judge that relaying UE is not suitable for accessing too much far-end UE, need to tighten control to the communication resource, then the communication resource directly will be dispatched by eNB, and admission control function also directly will be performed by eNB.Then, eNB feedback determines to relaying UE; Meanwhile, eNB, in real time according to flow of services, BSR (BufferStateReport, Buffer Status Report), rate requirement etc., controls the access of far-end UE.
In the technical scheme of mode one, because the communication resource service condition in current base station covering is nervous, for alleviating or preventing communication resource shortages, too much far-end UE cannot be allowed to access, eNB will directly dispatch the UE-TO-NW communication resource, and directly manage the access of far-end UE.
Mode two, as shown in Figure 9:
Relaying UE is after the connection request receiving far-end UE, according to oneself state and ability (dump energy, power consumption, the maximum distal UE quantity that can serve, whether there is self scheduling resource capability, if have, current residual electricity can be supported the maximum distal UE quantity of dispatch service and estimate the maximum service time) which kind of resources employment methods of the applicable employing of assessment, assessment result is reported eNB.
ENB is after the reported result receiving relaying UE, according to the resource service condition of current service cell, judge that relaying UE is not suitable for accessing too much far-end UE, need to tighten control to the communication resource, then the communication resource directly will be dispatched by eNB, but admission control function directly will be performed by relaying UE; Then, eNB feedback determines to relaying UE.
Meanwhile, eNB, in real time according to other parameters such as resource service condition (rate requirement, traffic carrying capacity requirement etc.), sends the up-to-date signaling comprising access normative reference to relaying UE with some cycles; The access of far-end UE is controlled according to normative reference to make relaying UE.
In the technical scheme of mode two, because the communication resource service condition in current base station covering is comparatively nervous, the eNB direct Control and Schedule UE-TO-NW communication resource, but in order to reduce the operational processes load of self, and accelerate connection establishment as much as possible, relaying UE process is transferred in the access control of far-end UE.
Mode three, as shown in Figure 10:
Relaying UE is after the connection request receiving far-end UE, according to oneself state and ability (dump energy, power consumption, storage capacity, whether the maximum distal UE quantity that can serve, have self scheduling resource capability, if having, current residual electricity can be supported the maximum distal UE quantity of dispatch service and estimate the maximum service time) which kind of resources employment methods of the applicable employing of assessment, assessment result is reported eNB.
ENB is after the reported result receiving relaying UE, and according to the resource service condition of current service cell, the communication resource is sufficient, judges that relaying UE can access current far-end UE, and allow relaying UE self scheduling resource, admission control function also transfers to relaying UE directly to perform; ENB feedback determines to relaying UE, comprises the condition that eNB regains admission control function in feedback result.Regain the condition of admission control function including but not limited to: resource usage degree (effective time limit of the resource that relaying UE can be transferred to dispatch), the quantity allowing the maximum distal UE served.
Relaying UE is in real time according to flow of services, the BSR of far-end UE reports, CSI (ChannelStateInformation, channel condition information) and oneself state (dump energy, power consumption, storage capacity etc.), and far-end UE asks the priority, rate requirement etc. of communication, controls the access of far-end UE.
Relaying UE, in follow-up communication process, monitors resource service condition in real time, and when reaching the withdrawal admission control function condition comprised in feedback result, relaying UE stops the far-end UE of response subsequent request access, reports eNB and regains admission control function by eNB; ENB performs access control to the far-end UE that subsequent request accesses; When the communication resource is sufficient once again, admission control function can be transferred again to relaying UE.
In the technical scheme of mode three, because the communication resource in current base station covering is sufficient, and self computing capability of relaying UE is strong, UE-TO-NW communication requirement is responded more neatly in order to faster, the far-end UE of sufficient amount can be allowed to access, relaying UE will directly dispatch the UE-TO-NW communication resource, and directly manage the access of far-end UE.In addition, when relaying communication resource service condition is beyond eNB specified standard, relaying UE can report eNB to transfer to eNB to regain access control power.This approach increases flexibility and the connection establishment speed of UE-TO-NW communication, decrease the operational processes load of eNB end, and eNB in time can strengthen resource management.
More than be described with reference to the accompanying drawings technical scheme of the present invention, the present invention proposes the access control scheme of distance terminal in a kind of new D2D communication, efficiently solve access control problem when distance terminal and link terminal connect and resource scheduling, guarantee that distance terminal and link terminal can carry out D2D and communicate.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1. the admittance control method of distance terminal in D2D communication, is applicable to the link terminal be in base station range, it is characterized in that, comprising:
When receiving the connection request that distance terminal sends, detect state and the ability information of described link terminal;
According to described state and ability information, judge whether described link terminal can carry out scheduling of resource and access control to described distance terminal, to obtain the ability label of described link terminal;
Described ability label is reported to described base station, for the service condition of described base station according to the communication resource of described ability label and described base station, determines the equipment described distance terminal being carried out to scheduling of resource and access control.
2. the admittance control method of distance terminal in D2D according to claim 1 communication, is characterized in that, also comprise:
Receive described base station send by described link terminal, the notice signaling of scheduling of resource and/or access control is carried out to described distance terminal time, scheduling of resource and/or access control are carried out to described distance terminal.
3. the admittance control method of distance terminal in D2D according to claim 2 communication, it is characterized in that, if what receive the transmission of described base station carries out access control by described link terminal to described distance terminal, but by described base station, described distance terminal is carried out to the notification instruction of scheduling of resource, then described admittance control method also comprises:
Receive the admission control criteria that described base station sends;
According to described admission control criteria, judge whether the access allowing described distance terminal, if so, then set up the direct-connected communication between described distance terminal.
4. the admittance control method of distance terminal in D2D according to claim 2 communication, it is characterized in that, if receive the notification instruction of by described link terminal, described distance terminal being carried out to scheduling of resource and access control that described base station sends, then described admittance control method also comprises:
Receive the condition of the withdrawal admission control function that described base station sends;
The service condition of the communication resource of the described base station of real-time detection, according to the service condition of the described communication resource and the condition of described withdrawal admission control function, determines whether to need to stop carrying out access control to described distance terminal;
When determining to need to stop carrying out access control to described distance terminal, send a notification message to described base station, to make the access control of described base station realization to described distance terminal.
5. the admittance control method of distance terminal in D2D according to any one of claim 1 to 4 communication, it is characterized in that, described state and ability information comprise:
The quantity of the dump energy information of described link terminal, power consumption, current maximum distal terminal of serving and estimate the maximum service time, whether there is the ability of scheduling resource.
6. the admittance control method of distance terminal in D2D communication, is applicable to base station, it is characterized in that, comprising:
Receive the ability label that link terminal sends, whether described ability label is used to indicate described link terminal can carry out scheduling of resource and access control to distance terminal;
According to the service condition of the communication resource of described ability label and described base station, determine the equipment described distance terminal being carried out to scheduling of resource and access control.
7. the admittance control method of distance terminal in D2D according to claim 6 communication, is characterized in that, determine that the step of described distance terminal being carried out to the equipment of scheduling of resource specifically comprises:
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can not carry out scheduling of resource to described distance terminal, by described base station, scheduling of resource is carried out to described distance terminal; And
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can carry out scheduling of resource to described distance terminal, by described link terminal or described base station, scheduling of resource is carried out to described distance terminal.
8. the admittance control method of distance terminal in D2D according to claim 6 communication, is characterized in that, determine that the step of described distance terminal being carried out to the equipment of access control specifically comprises:
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can not carry out access control to described distance terminal, by described base station, access control is carried out to described distance terminal; And
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can carry out access control to described distance terminal, by described link terminal or described base station, access control is carried out to described distance terminal.
9. the admittance control method of distance terminal in the D2D communication according to any one of claim 6 to 8, it is characterized in that, determining to carry out access control by described link terminal to described distance terminal, and when carrying out scheduling of resource by described base station to described distance terminal, described admittance control method also comprises:
According to the service condition of the demand of communication service and the communication resource of described base station, determine admission control criteria;
Described admission control criteria is sent to described link terminal, based on described admission control criteria, access control is carried out to described distance terminal to make described link terminal.
10. the admittance control method of distance terminal in the D2D communication according to any one of claim 6 to 8, it is characterized in that, when determining to carry out scheduling of resource and access control by described link terminal to described distance terminal, described admittance control method also comprises:
Sending the condition regaining admission control function to described link terminal, to make described link terminal when judging to need to stop carrying out access control to described distance terminal, sending a notification message to described base station;
When receiving described notification message, by described base station, access control is carried out to described distance terminal.
The access permission control device of distance terminal in 11. 1 kinds of D2D communications, is applicable to the link terminal be in base station range, it is characterized in that, comprising:
First detecting unit, for when receiving the connection request that distance terminal sends, detects state and the ability information of described link terminal;
Judging unit, for according to described state and ability information, judges whether described link terminal can carry out scheduling of resource and access control to described distance terminal, to obtain the ability label of described link terminal;
First transmitting element, for described ability label is reported to described base station, for the service condition of described base station according to the communication resource of described ability label and described base station, determines the equipment described distance terminal being carried out to scheduling of resource and access control.
The access permission control device of distance terminal in 12. D2D communications according to claim 11, is characterized in that, also comprise:
Processing unit, for receive described base station send by described link terminal, the notice signaling of scheduling of resource and/or access control is carried out to described distance terminal time, scheduling of resource and/or access control are carried out to described distance terminal.
The access permission control device of distance terminal in 13. D2D communications according to claim 12, it is characterized in that, if what receive the transmission of described base station carries out access control by described link terminal to described distance terminal, but by described base station, described distance terminal is carried out to the notification instruction of scheduling of resource, then described access permission control device also comprises:
First receiving element, for receiving the admission control criteria that described base station sends;
Described processing unit specifically for, according to described admission control criteria, judge whether the access allowing described distance terminal, if so, then set up with described distance terminal between direct-connected communication.
The access permission control device of distance terminal in 14. D2D communications according to claim 12, it is characterized in that, if receive the notification instruction of by described link terminal, described distance terminal being carried out to scheduling of resource and access control that described base station sends, then described access permission control device also comprises:
Second receiving element, for receiving the condition of the withdrawal admission control function that described base station sends;
Second detecting unit, for detecting the service condition of the communication resource of described base station in real time;
Determining unit, for according to the service condition of the described communication resource and the condition of described withdrawal admission control function, determines whether to need to stop carrying out access control to described distance terminal;
Second transmitting element, during for determining in described determining unit to need to stop carrying out access control to described distance terminal, sends a notification message to described base station, to make the access control of described base station realization to described distance terminal.
The access permission control device of distance terminal in 15. 1 kinds of D2D communications, is applicable to base station, it is characterized in that, comprising:
Receiving element, for receiving the ability label that link terminal sends, whether described ability label is used to indicate described link terminal can carry out scheduling of resource and access control to distance terminal;
Processing unit, for the service condition of the communication resource according to described ability label and described base station, determines the equipment described distance terminal being carried out to scheduling of resource and access control.
The access permission control device of distance terminal in 16. D2D communications according to claim 15, it is characterized in that, described processing unit determines that the operation described distance terminal being carried out to the equipment of scheduling of resource specifically comprises:
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can not carry out scheduling of resource to described distance terminal, by described base station, scheduling of resource is carried out to described distance terminal; And
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can carry out scheduling of resource to described distance terminal, by described link terminal or described base station, scheduling of resource is carried out to described distance terminal.
The access permission control device of distance terminal in 17. D2D communications according to claim 15, it is characterized in that, described processing unit determines that the operation described distance terminal being carried out to the equipment of access control specifically comprises:
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can not carry out access control to described distance terminal, by described base station, access control is carried out to described distance terminal; And
When the service condition of the communication resource according to described ability label and described base station determines that described link terminal can carry out access control to described distance terminal, by described link terminal or described base station, access control is carried out to described distance terminal.
18. according to claim 15 to the access permission control device of distance terminal in the D2D communication according to any one of 17, it is characterized in that, determining to carry out access control by described link terminal to described distance terminal, and when carrying out scheduling of resource by described base station to described distance terminal, described access permission control device also comprises:
Determining unit, for the service condition according to the demand of communication service and the communication resource of described base station, determines admission control criteria;
First transmitting element, for described admission control criteria is sent to described link terminal, carries out access control based on described admission control criteria to described distance terminal to make described link terminal.
19. according to claim 15 to the access permission control device of distance terminal in the D2D communication according to any one of 17, it is characterized in that, when determining to carry out scheduling of resource and access control by described link terminal to described distance terminal, described access permission control device also comprises:
Second transmitting element, for sending the condition regaining admission control function to described link terminal, to make described link terminal when judging to need to stop carrying out access control to described distance terminal, sends a notification message to described base station;
Described processing unit also for, when receiving described notification message, by described base station, access control is carried out to described distance terminal.
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| CN201510622259.4A CN105228218B (en) | 2015-09-25 | 2015-09-25 | The admittance control method and relevant apparatus of distance terminal in D2D communications |
| PCT/CN2015/093501 WO2017049725A1 (en) | 2015-09-25 | 2015-10-31 | Access control method for remote terminal in d2d communications, and related apparatus |
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| CN201510622259.4A CN105228218B (en) | 2015-09-25 | 2015-09-25 | The admittance control method and relevant apparatus of distance terminal in D2D communications |
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| WO2023065340A1 (en) * | 2021-10-22 | 2023-04-27 | 北京小米移动软件有限公司 | Auxiliary information sending method and apparatus, auxiliary information receiving method and apparatus, and communication apparatus and storage medium |
| CN114128330B (en) * | 2021-10-22 | 2023-10-27 | 北京小米移动软件有限公司 | Auxiliary information transmitting and receiving method and device, communication device and storage medium |
| CN114128330A (en) * | 2021-10-22 | 2022-03-01 | 北京小米移动软件有限公司 | Method and apparatus for transmitting and receiving auxiliary information, communication apparatus and storage medium |
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| Publication number | Publication date |
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| WO2017049725A1 (en) | 2017-03-30 |
| CN105228218B (en) | 2018-11-06 |
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