CN104363658A - Method and system for managing direct-connection communication resources - Google Patents
Method and system for managing direct-connection communication resources Download PDFInfo
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- CN104363658A CN104363658A CN201410625989.5A CN201410625989A CN104363658A CN 104363658 A CN104363658 A CN 104363658A CN 201410625989 A CN201410625989 A CN 201410625989A CN 104363658 A CN104363658 A CN 104363658A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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Abstract
The invention provides a method and a system for managing direct-connection communication resources. The method for managing the direct-connection communication resources includes receiving direct-connection communication information of terminals of transmitting parties; configuring target direct-connection communication resources for the terminals according to the received direct-connection communication information so as to enable the terminals to keep direct-connection communication continuity. The target direct-connection communication resources include discovery resources and/or communication resources, and the direct-connection communication information includes at least one type of information of business modes of the terminals, direct-connection communication modes of the terminals, current direct-connection communication resources of the terminals and direct-connection communication mode switching requests of the terminals. According to the technical scheme, the method and the system have the advantage that the terminals can keep the business continuity in real time during D2D (device to device) communication in non-connection communication modes on the basis of broadcast mechanisms.
Description
Technical field
The present invention relates to direct-connected communication technical field, in particular to a kind of management method of straight-through resource and a kind of management system of straight-through resource.
Background technology
Along with the development of mobile terminal software and hardware technology and wireless communication technology, terminal direct connection technology (D2D:Device to Device, direct-connected communication) becoming a very important technical discussion point in 3GPP (3rd GenerationPartnership Project, third generation partner program) in recent years.D2D technology comprises D2D discovery (D2D discovery) and D2D communication (D2D communicates), and D2D discovery and communication is independently business, D2Dcommunication then allows two UE (terminal) directly directly to be carried out transmission and the transmission of data by specific channel, and without the need to transmitting through eNB (base station).
And current D2D communication mode comprises: 1, based on the D2D communication of scheduling, in the D2D communication mode based on scheduling, UE needs to be in connection status, and when eNB carries out transfer of data by signaling instruction transmit leg UE on which Resource Block, and this resource is based on each UE; 2, the D2D based on shared resource communicates, based in the D2D communication mode of shared resource, UE under a MPS process, D2D communication is carried out in a running time-frequency resource pond of public eNB broadcast, and these two kinds of communication modes are connectionless communication modes based on broadcast mechanism that 3GPP defines in Rel (Release)-12.That is: sending side terminal does not distinguish receiving side terminal is a UE or multiple UE, and for the data sent, only support HARQ (Hybrid Automatic RepeatQequest, hybrid automatic repeat-request) and do not support the feedback mechanism of AS (Access Stratum, access) layer.
Thus, for the D2D business of the connectionless communication mode based on broadcast mechanism, how to keep the continuity of D2D business, become an important research topic, and the successional method keeping D2D business at present as shown in Figure 1, during the change of i.e. D2D UE spacing, D2D pattern communication may at infra pattern (infrastructure mode), optimized (optimization) transforms between pattern and Direct Model, but this scene has set up two-way D2D before under the control of a network between hypothesis D2D UE to connect, namely suppose that sending side terminal has receiving side terminal information, but the scene that this hypothesis and 3GPP Rel-12 suppose misfits, because the feature of connectionless broadcast formula communication is the information not needing to predict receiving side terminal, the distribution of Internet resources simultaneously also only considers sending side terminal, therefore, this method can not solve the continuity problem of the D2D business of the connectionless communication mode based on broadcast mechanism.
Therefore, how to make terminal when the D2D communication of the connectionless communication mode based on broadcast mechanism, keep the continuity of D2D business in real time, become problem demanding prompt solution.
Summary of the invention
The present invention, just based on the problems referred to above, proposes a kind of new technical scheme, terminal can be made when the D2D communication of the connectionless communication mode based on broadcast mechanism, keep the continuity of D2D business in real time.
In view of this, an aspect of of the present present invention proposes a kind of management method of straight-through resource, for having the equipment of base station functions, comprising: the direct-connected communication information receiving sending side terminal; Be that described terminal configuration target leads directly to resource according to the described direct-connected communication information received, with the continuity making described terminal keep direct-connected communication, wherein, described target leads directly to resource and comprises: find resource and/or the communication resource, the described direct-connected communication information comprises at least one in following information: the current straight-through resource of the business model of described terminal, the direct-connected communication pattern of described terminal, described terminal and the direct-connected communication pattern of described terminal transform request.
In this technical scheme, by the direct-connected communication information sent according to the sending side terminal received, as information such as the business model of terminal, direct-connected communication patterns (communicating based on the D2D communication of scheduling or the D2D based on shared resource), the equipment with base station functions can be made to be that terminal configuration target leads directly to resource, the business continuance keeping D2D in real time to make terminal and communicate, avoids communicating because cannot get corresponding D2D in time and making D2D service disconnection.Wherein, the microcell base station etc. that the equipment with base station functions is comprised base station, realized by communication equipment (as smart mobile phone etc.).
In technique scheme, preferably, the described equipment with base station functions comprises the arbitrary equipment in following equipment: the target device with base station functions of the adjacent cell adjacent with the current service cell residing for described terminal, the macro base station of the macrocell at place, described current service cell, the current device of the described current service cell residing for described terminal, and when described in there is base station functions equipment be described macro base station time, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically comprise: receive the described business model from described terminal, with according to described business model for target described in described terminal configuration leads directly to resource.
In this technical scheme, according to the business model that terminal sends, namely the Business Stream of terminal partly or entirely comes from macro base station, or the Business Stream of terminal carrys out self terminal and carries out D2D communication period terminal and macro base station (as D2D application server or LBS (Location BasedService with network layer, location Based service) location-server) continuation mutual, lead directly to resource with the target making macro base station to be better conducive to realizing D2D business continuance for terminal configuration.
In technique scheme, preferably, described business model comprises: the traffic performance of described terminal and/or the discharge pattern of described terminal, and described traffic performance comprises: the Business Stream of described terminal at least in part from the Business Stream of described macro base station and/or described terminal all from described terminal, described discharge pattern comprises: the traffic statistics characteristic of described terminal and/or the traffic carrying capacity of described terminal.
In this technical scheme, when terminal reports the traffic performance in business model to macro base station, the report of this traffic performance can by strengthening existing RRC (Radio Resource Control, radio resource control) message (namely increasing new parameter wherein), definition new RRC information or realize based on the connection in user face, certainly, also the discharge pattern of terminal can be reported to macro base station, to formulate better according to the discharge pattern of terminal to make macro base station and be conducive to making terminal realize the resource management mechanism of D2D business continuance, thus make terminal keep D2D business continuance.In addition, the situation that the terminal Business Stream carried out when D2D communicates all carrys out self terminal has a lot, and such as: when terminal and other-end carry out file-swapping service, the Business Stream of terminal just all carrys out self terminal, but not the macro base station of network side.
In technique scheme, preferably, when the described equipment with base station functions is described target device, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically comprise: the described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends and/or described current straight-through resource, with according to described direct-connected communication pattern and/or described current straight-through resource for target described in described terminal configuration leads directly to resource.
In this technical scheme, when target device be terminal configuration target lead directly to resource time, illustrate that terminal moves to the adjacent cell adjacent with current service cell from current service cell, and current service cell current had the equipment of base station functions before fast mobile terminal to adjacent cell, by carrying out alternately with target device, by direct-connected communication pattern current for terminal and terminal current be direct-connected communication pattern based on scheduling or direct-connected communication pattern based on shared resource, and/or the current straight-through resource that terminal uses under current direct-connected communication pattern is sent to target device, can make target device in advance for terminal configuration target leads directly to resource, with when terminal is transferred to adjacent cell, the business continuance that D2D communicates can be kept, and then the experience that the D2D promoting user communicates.Certainly, if the current direct-connected communication pattern of terminal is the direct-connected communication pattern based on scheduling, then because terminal is in connected state all the time, thus the current equipment with base station functions only needs notification target equipment, terminal is current carries out D2D communicate based on the direct-connected communication pattern of scheduling, and without the need to the current straight-through resource of terminal under the direct-connected communication pattern based on scheduling is sent to target device, to reduce unnecessary network overhead; If the current direct-connected communication pattern of terminal is the direct-connected communication pattern based on shared resource, then the current equipment with base station functions needs the direct-connected communication pattern based on shared resource of terminal and terminal being sent to target device based on the current straight-through resource under the direct-connected communication pattern of shared resource simultaneously, to make target device better for terminal configuration target leads directly to resource, thus realize the business continuance keeping D2D communication.
In technique scheme, preferably, described target to be led directly to before resource is issued to described terminal at described target device, described target is led directly to resource distribution in the target returns message of described terminal by described target device, is issued to described terminal so that described target is led directly to resource.
In this technical scheme, by target being led directly to resource distribution in the target returns message of terminal, can avoid entering extra message, and then avoid introducing extra processing delay.
In technique scheme, preferably, described direct-connected communication pattern comprises: based on the direct-connected communication pattern of scheduling and the direct-connected communication pattern based on shared resource, described direct-connected communication pattern transforms request and comprises: be converted into the described direct-connected communication pattern based on shared resource by the described direct-connected communication pattern based on scheduling, or be converted into the described direct-connected communication pattern based on scheduling by the described direct-connected communication pattern based on shared resource, and when described in there is base station functions equipment be described target device time, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically also comprise: the described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends transforms request, with the current available straight-through resource transforming request and described target device according to described direct-connected communication pattern for target described in described terminal configuration leads directly to resource.
In this technical scheme, when the direct-connected communication pattern that target device receives the terminal that the current equipment with base station functions sends transforms request, the target that the particular type that target device can be asked according to the current available straight-through resource of adjacent cell residing for target device and the conversion of direct-connected communication pattern is defined as terminal configuration leads directly to resource.
Such as: when direct-connected communication pattern transforms request for being converted into the request based on the direct-connected communication pattern of scheduling by the current direct-connected communication pattern based on shared resource used, target device can judge that whether the current available straight-through resource of adjacent cell is sufficient, if sufficient, then agree to that the direct-connected communication pattern that the current equipment with base station functions sends transforms request, and lead directly to resource based on the target of direct-connected communication pattern of scheduling for terminal configuration, when being transferred to adjacent cell to make terminal from current service cell, the business relations that D2D communicates can be kept, and the D2D communication carried out after being transferred to adjacent cell based on the direct-connected communication pattern of scheduling.
In technique scheme, preferably, when the described equipment with base station functions is described current device, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically comprise: receive described terminal send described business model, with according to described business model for target described in described terminal configuration leads directly to resource.
In this technical scheme, when the equipment with base station functions is current device, illustrate that terminal does not carry out cell merge, also in current service cell (current service time community), the direct-connected resource (target leads directly to resource) of the terminal with such business is distributed current device can be made preferentially to ensure by current device business model being sent to current service cell, and then guarantees the continuity of business of D2D of terminal.
Another aspect of the present invention proposes a kind of management system of straight-through resource, for having the equipment of base station functions, it is characterized in that, comprising: receiving element, receives the direct-connected communication information of sending side terminal; Dispensing unit, be that described terminal configuration target leads directly to resource according to the described direct-connected communication information received, with the continuity making described terminal keep direct-connected communication, wherein, described target leads directly to resource and comprises: find resource and/or the communication resource, the described direct-connected communication information comprises at least one in following information: the current straight-through resource of the business model of described terminal, the direct-connected communication pattern of described terminal, described terminal and the direct-connected communication pattern of described terminal transform request.
In this technical scheme, by the direct-connected communication information sent according to the sending side terminal received, as information such as the business model of terminal, direct-connected communication patterns (communicating based on the D2D communication of scheduling or the D2D based on shared resource), the equipment with base station functions can be made to be that terminal configuration target leads directly to resource, the business continuance keeping D2D in real time to make terminal and communicate, avoids communicating because cannot get corresponding D2D in time and making D2D service disconnection.Wherein, the microcell base station etc. that the equipment with base station functions is comprised base station, realized by communication equipment (as smart mobile phone etc.).
In technique scheme, preferably, the described equipment with base station functions comprises the arbitrary equipment in following equipment: the target device with base station functions of the adjacent cell adjacent with the current service cell residing for described terminal, the macro base station of the macrocell at place, described current service cell, the current device of the described current service cell residing for described terminal, and described receiving element specifically for: when the described equipment with base station functions is described macro base station, receive the described business model from described terminal, described dispensing unit specifically for: according to described business model for target described in described terminal configuration leads directly to resource.
In this technical scheme, according to the business model that terminal sends, namely the Business Stream of terminal partly or entirely comes from macro base station, or the Business Stream of terminal carrys out self terminal and carries out D2D communication period terminal and macro base station (as D2D application server or LBS (Location BasedService with network layer, location Based service) location-server) continuation mutual, lead directly to resource with the target making macro base station to be better conducive to realizing D2D business continuance for terminal configuration.
In technique scheme, preferably, described business model comprises: the traffic performance of described terminal and/or the discharge pattern of described terminal, and described traffic performance comprises: the Business Stream of described terminal at least in part from the Business Stream of described macro base station and/or described terminal all from described terminal, described discharge pattern comprises: the traffic statistics characteristic of described terminal and/or the traffic carrying capacity of described terminal.
In this technical scheme, when terminal reports the traffic performance in business model to macro base station, the report of this traffic performance can by strengthening existing RRC (Radio Resource Control, radio resource control) message (namely increasing new parameter wherein), definition new RRC information or realize based on the connection in user face, certainly, also the discharge pattern of terminal can be reported to macro base station, to formulate better according to the discharge pattern of terminal to make macro base station and be conducive to making terminal realize the resource management mechanism of D2D business continuance, thus make terminal keep D2D business continuance.In addition, the situation that the terminal Business Stream carried out when D2D communicates all carrys out self terminal has a lot, and such as: when terminal and other-end carry out file-swapping service, the Business Stream of terminal just all carrys out self terminal, but not the macro base station of network side.
In technique scheme, preferably, described receiving element concrete also for: when the described equipment with base station functions is described target device, the described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends and/or described current straight-through resource, described dispensing unit concrete also for: according to described direct-connected communication pattern and/or described current straight-through resource for target described in described terminal configuration leads directly to resource.
In this technical scheme, when target device be terminal configuration target lead directly to resource time, illustrate that terminal moves to the adjacent cell adjacent with current service cell from current service cell, and current service cell current had the equipment of base station functions before fast mobile terminal to adjacent cell, by carrying out alternately with target device, by direct-connected communication pattern current for terminal and terminal current be direct-connected communication pattern based on scheduling or direct-connected communication pattern based on shared resource, and/or the current straight-through resource that terminal uses under current direct-connected communication pattern is sent to target device, can make target device in advance for terminal configuration target leads directly to resource, with when terminal is transferred to adjacent cell, the business continuance that D2D communicates can be kept, and then the experience that the D2D promoting user communicates.Certainly, if the current direct-connected communication pattern of terminal is the direct-connected communication pattern based on scheduling, then because terminal is in connected state all the time, thus the current equipment with base station functions only needs notification target equipment, terminal is current carries out D2D communicate based on the direct-connected communication pattern of scheduling, and without the need to the current straight-through resource of terminal under the direct-connected communication pattern based on scheduling is sent to target device, to reduce unnecessary network overhead; If the current direct-connected communication pattern of terminal is the direct-connected communication pattern based on shared resource, then the current equipment with base station functions needs the direct-connected communication pattern based on shared resource of terminal and terminal being sent to target device based on the current straight-through resource under the direct-connected communication pattern of shared resource simultaneously, to make target device better for terminal configuration target leads directly to resource, thus realize the business continuance keeping D2D communication.
In technique scheme, preferably, described dispensing unit also for: described target led directly to before resource is issued to described terminal at described target device, control described target device and described target is led directly to resource distribution in the target returns message of described terminal, be issued to described terminal so that described target is led directly to resource.
In this technical scheme, by target being led directly to resource distribution in the target returns message of terminal, can avoid entering extra message, and then avoid introducing extra processing delay.
In technique scheme, preferably, described direct-connected communication pattern comprises: based on the direct-connected communication pattern of scheduling and the direct-connected communication pattern based on shared resource, described direct-connected communication pattern transforms request and comprises: be converted into the described direct-connected communication pattern based on shared resource by the described direct-connected communication pattern based on scheduling, or be converted into the described direct-connected communication pattern based on scheduling by the described direct-connected communication pattern based on shared resource, and described receiving element concrete also for: when the described equipment with base station functions is described target device, the described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends transforms request, described dispensing unit concrete also for: the current available straight-through resource transforming request and described target device according to described direct-connected communication pattern for target described in described terminal configuration leads directly to resource.
In this technical scheme, when the direct-connected communication pattern that target device receives the terminal that the current equipment with base station functions sends transforms request, the target that the particular type that target device can be asked according to the current available straight-through resource of adjacent cell residing for target device and the conversion of direct-connected communication pattern is defined as terminal configuration leads directly to resource.
Such as: when direct-connected communication pattern transforms request for being converted into the request based on the direct-connected communication pattern of scheduling by the current direct-connected communication pattern based on shared resource used, target device can judge that whether the current available straight-through resource of adjacent cell is sufficient, if sufficient, then agree to that the direct-connected communication pattern that the current equipment with base station functions sends transforms request, and lead directly to resource based on the target of direct-connected communication pattern of scheduling for terminal configuration, when being transferred to adjacent cell to make terminal from current service cell, the business relations that D2D communicates can be kept, and the D2D communication carried out after being transferred to adjacent cell based on the direct-connected communication pattern of scheduling.
In technique scheme, preferably, described receiving element concrete also for: when the described equipment with base station functions is described current device, receive the described business model that described terminal sends, described dispensing unit concrete also for: according to described business model for target described in described terminal configuration leads directly to resource.
In this technical scheme, when the equipment with base station functions is current device, illustrate that terminal does not carry out cell merge, also in current service cell (current service time community), the direct-connected resource (target leads directly to resource) of the terminal with such business is distributed current device can be made preferentially to ensure by current device business model being sent to current service cell, and then guarantees the continuity of business of D2D of terminal.By technical scheme of the present invention, terminal can be made when the D2D communication of the connectionless communication mode based on broadcast mechanism, keep the continuity of business in real time.
By technical scheme of the present invention, terminal can be made when the D2D communication of the connectionless communication mode based on broadcast mechanism, keep the continuity of D2D business in real time.
Accompanying drawing explanation
Fig. 1 shows in correlation technique the process schematic of the business continuance keeping D2D to communicate;
Fig. 2 shows the schematic flow sheet of the management method of straight-through resource according to an embodiment of the invention;
Fig. 3 shows the structural representation of the management system of straight-through resource according to an embodiment of the invention;
It is the process schematic that terminal configuration target leads directly to resource that Fig. 4 A and Fig. 4 B shows target device according to an embodiment of the 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 sheet of the management method of straight-through resource according to an embodiment of the invention.
As shown in Figure 2, the management method of straight-through resource according to an embodiment of the invention, comprising: step 202, receives the direct-connected communication information of sending side terminal; Step 204, be that described terminal configuration target leads directly to resource according to the described direct-connected communication information received, with the continuity making described terminal keep direct-connected communication, wherein, described target leads directly to resource and comprises: find resource and/or the communication resource, the described direct-connected communication information comprises at least one in following information: the current straight-through resource of the business model of described terminal, the direct-connected communication pattern of described terminal, described terminal and the direct-connected communication pattern of described terminal transform request.
In this technical scheme, by the direct-connected communication information sent according to the sending side terminal received, as information such as the business model of terminal, direct-connected communication patterns (communicating based on the D2D communication of scheduling or the D2D based on shared resource), the equipment with base station functions can be made to be that terminal configuration target leads directly to resource, the business continuance keeping D2D in real time to make terminal and communicate, avoids communicating because cannot get corresponding D2D in time and making D2D service disconnection.Wherein, the microcell base station etc. that the equipment with base station functions is comprised base station, realized by communication equipment (as smart mobile phone etc.).
In technique scheme, preferably, the described equipment with base station functions comprises the arbitrary equipment in following equipment: the target device with base station functions of the adjacent cell adjacent with the current service cell residing for described terminal, the macro base station of the macrocell at place, described current service cell, the current device of the described current service cell residing for described terminal, and when described in there is base station functions equipment be described macro base station time, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically comprise: receive the described business model from described terminal, with according to described business model for target described in described terminal configuration leads directly to resource.
In this technical scheme, according to the business model that terminal sends, namely the Business Stream of terminal partly or entirely comes from macro base station, or the Business Stream of terminal carrys out self terminal and carries out D2D communication period terminal and macro base station (as D2D application server or LBS (Location BasedService with network layer, location Based service) location-server) continuation mutual, lead directly to resource with the target making macro base station to be better conducive to realizing D2D business continuance for terminal configuration.
In technique scheme, preferably, described business model comprises: the traffic performance of described terminal and/or the discharge pattern of described terminal, and described traffic performance comprises: the Business Stream of described terminal at least in part from the Business Stream of described macro base station and/or described terminal all from described terminal, described discharge pattern comprises: the traffic statistics characteristic of described terminal and/or the traffic carrying capacity of described terminal.
In this technical scheme, when terminal reports the traffic performance in business model to macro base station, the report of this traffic performance can by strengthening existing RRC (Radio Resource Control, radio resource control) message (namely increasing new parameter wherein), definition new RRC information or realize based on the connection in user face, certainly, also the discharge pattern of terminal can be reported to macro base station, to formulate better according to the discharge pattern of terminal to make macro base station and be conducive to making terminal realize the resource management mechanism of D2D business continuance, thus make terminal keep D2D business continuance.In addition, the situation that the terminal Business Stream carried out when D2D communicates all carrys out self terminal has a lot, and such as: when terminal and other-end carry out file-swapping service, the Business Stream of terminal just all carrys out self terminal, but not the macro base station of network side.
In technique scheme, preferably, when the described equipment with base station functions is described target device, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically comprise: the described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends and/or described current straight-through resource, with according to described direct-connected communication pattern and/or described current straight-through resource for target described in described terminal configuration leads directly to resource.
In this technical scheme, when target device be terminal configuration target lead directly to resource time, illustrate that terminal moves to the adjacent cell adjacent with current service cell from current service cell, and current service cell current had the equipment of base station functions before fast mobile terminal to adjacent cell, by carrying out alternately with target device, by direct-connected communication pattern current for terminal and terminal current be direct-connected communication pattern based on scheduling or direct-connected communication pattern based on shared resource, and/or the current straight-through resource that terminal uses under current direct-connected communication pattern is sent to target device, can make target device in advance for terminal configuration target leads directly to resource, with when terminal is transferred to adjacent cell, the business continuance that D2D communicates can be kept, and then the experience that the D2D promoting user communicates.Certainly, if the current direct-connected communication pattern of terminal is the direct-connected communication pattern based on scheduling, then because terminal is in connected state all the time, thus the current equipment with base station functions only needs notification target equipment, terminal is current carries out D2D communicate based on the direct-connected communication pattern of scheduling, and without the need to the current straight-through resource of terminal under the direct-connected communication pattern based on scheduling is sent to target device, to reduce unnecessary network overhead; If the current direct-connected communication pattern of terminal is the direct-connected communication pattern based on shared resource, then the current equipment with base station functions needs the direct-connected communication pattern based on shared resource of terminal and terminal being sent to target device based on the current straight-through resource under the direct-connected communication pattern of shared resource simultaneously, to make target device better for terminal configuration target leads directly to resource, thus realize the business continuance keeping D2D communication.
In technique scheme, preferably, described target to be led directly to before resource is issued to described terminal at described target device, described target is led directly to resource distribution in the target returns message of described terminal by described target device, is issued to described terminal so that described target is led directly to resource.
In this technical scheme, by target being led directly to resource distribution in the target returns message of terminal, can avoid entering extra message, and then avoid introducing extra processing delay.
In technique scheme, preferably, described direct-connected communication pattern comprises: based on the direct-connected communication pattern of scheduling and the direct-connected communication pattern based on shared resource, described direct-connected communication pattern transforms request and comprises: be converted into the described direct-connected communication pattern based on shared resource by the described direct-connected communication pattern based on scheduling, or be converted into the described direct-connected communication pattern based on scheduling by the described direct-connected communication pattern based on shared resource, and when described in there is base station functions equipment be described target device time, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically also comprise: the described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends transforms request, with the current available straight-through resource transforming request and described target device according to described direct-connected communication pattern for target described in described terminal configuration leads directly to resource.
In this technical scheme, when the direct-connected communication pattern that target device receives the terminal that the current equipment with base station functions sends transforms request, the target that the particular type that target device can be asked according to the current available straight-through resource of adjacent cell residing for target device and the conversion of direct-connected communication pattern is defined as terminal configuration leads directly to resource.
Such as: when direct-connected communication pattern transforms request for being converted into the request based on the direct-connected communication pattern of scheduling by the current direct-connected communication pattern based on shared resource used, target device can judge that whether the current available straight-through resource of adjacent cell is sufficient, if sufficient, then agree to that the direct-connected communication pattern that the current equipment with base station functions sends transforms request, and lead directly to resource based on the target of direct-connected communication pattern of scheduling for terminal configuration, when being transferred to adjacent cell to make terminal from current service cell, the business relations that D2D communicates can be kept, and the D2D communication carried out after being transferred to adjacent cell based on the direct-connected communication pattern of scheduling.
In technique scheme, preferably, when the described equipment with base station functions is described current device, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically comprise: receive described terminal send described business model, with according to described business model for target described in described terminal configuration leads directly to resource.
In this technical scheme, when the equipment with base station functions is current device, illustrate that terminal does not carry out cell merge, also in current service cell (current service time community), the direct-connected resource (target leads directly to resource) of the terminal with such business is distributed current device can be made preferentially to ensure by current device business model being sent to current service cell, and then guarantees the continuity of business of D2D of terminal.
Fig. 3 shows the structural representation of the management system of straight-through resource according to an embodiment of the invention.
As shown in Figure 3, the management system 300 of straight-through resource according to an embodiment of the invention, comprising: receiving element 302, receives the direct-connected communication information of sending side terminal; Dispensing unit 304, be that described terminal configuration target leads directly to resource according to the described direct-connected communication information received, with the continuity making described terminal keep direct-connected communication, wherein, described target leads directly to resource and comprises: find resource and/or the communication resource, the described direct-connected communication information comprises at least one in following information: the current straight-through resource of the business model of described terminal, the direct-connected communication pattern of described terminal, described terminal and the direct-connected communication pattern of described terminal transform request.
In this technical scheme, by the direct-connected communication information sent according to the sending side terminal received, as information such as the business model of terminal, direct-connected communication patterns (communicating based on the D2D communication of scheduling or the D2D based on shared resource), the equipment with base station functions can be made to be that terminal configuration target leads directly to resource, the business continuance keeping D2D in real time to make terminal and communicate, avoids communicating because cannot get corresponding D2D in time and making D2D service disconnection.Wherein, the microcell base station etc. that the equipment with base station functions is comprised base station, realized by communication equipment (as smart mobile phone etc.).
In technique scheme, preferably, the described equipment with base station functions comprises the arbitrary equipment in following equipment: the target device with base station functions of the adjacent cell adjacent with the current service cell residing for described terminal, the macro base station of the macrocell at place, described current service cell, the current device of the described current service cell residing for described terminal, and described receiving element 302 specifically for: when the described equipment with base station functions is described macro base station, receive the described business model from described terminal, described dispensing unit 304 specifically for: according to described business model for target described in described terminal configuration leads directly to resource.
In this technical scheme, according to the business model that terminal sends, namely the Business Stream of terminal partly or entirely comes from macro base station, or the Business Stream of terminal carrys out self terminal and carries out D2D communication period terminal and macro base station (as D2D application server or LBS (Location BasedService with network layer, location Based service) location-server) continuation mutual, lead directly to resource with the target making macro base station to be better conducive to realizing D2D business continuance for terminal configuration.
In technique scheme, preferably, described business model comprises: the traffic performance of described terminal and/or the discharge pattern of described terminal, and described traffic performance comprises: the Business Stream of described terminal at least in part from the Business Stream of described macro base station and/or described terminal all from described terminal, described discharge pattern comprises: the traffic statistics characteristic of described terminal and/or the traffic carrying capacity of described terminal.
In this technical scheme, when terminal reports the traffic performance in business model to macro base station, the report of this traffic performance can by strengthening existing RRC (Radio Resource Control, radio resource control) message (namely increasing new parameter wherein), definition new RRC information or realize based on the connection in user face, certainly, also the discharge pattern of terminal can be reported to macro base station, to formulate better according to the discharge pattern of terminal to make macro base station and be conducive to making terminal realize the resource management mechanism of D2D business continuance, thus make terminal keep D2D business continuance.In addition, the situation that the terminal Business Stream carried out when D2D communicates all carrys out self terminal has a lot, and such as: when terminal and other-end carry out file-swapping service, the Business Stream of terminal just all carrys out self terminal, but not the macro base station of network side.
In technique scheme, preferably, described receiving element 302 concrete also for: when the described equipment with base station functions is described target device, the described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends and/or described current straight-through resource, described dispensing unit 304 concrete also for: according to described direct-connected communication pattern and/or described current straight-through resource for target described in described terminal configuration leads directly to resource.
In this technical scheme, when target device be terminal configuration target lead directly to resource time, illustrate that terminal moves to the adjacent cell adjacent with current service cell from current service cell, and current service cell current had the equipment of base station functions before fast mobile terminal to adjacent cell, by carrying out alternately with target device, by direct-connected communication pattern current for terminal and terminal current be direct-connected communication pattern based on scheduling or direct-connected communication pattern based on shared resource, and/or the current straight-through resource that terminal uses under current direct-connected communication pattern is sent to target device, can make target device in advance for terminal configuration target leads directly to resource, with when terminal is transferred to adjacent cell, the business continuance that D2D communicates can be kept, and then the experience that the D2D promoting user communicates.Certainly, if the current direct-connected communication pattern of terminal is the direct-connected communication pattern based on scheduling, then because terminal is in connected state all the time, thus the current equipment with base station functions only needs notification target equipment, terminal is current carries out D2D communicate based on the direct-connected communication pattern of scheduling, and without the need to the current straight-through resource of terminal under the direct-connected communication pattern based on scheduling is sent to target device, to reduce unnecessary network overhead; If the current direct-connected communication pattern of terminal is the direct-connected communication pattern based on shared resource, then the current equipment with base station functions needs the direct-connected communication pattern based on shared resource of terminal and terminal being sent to target device based on the current straight-through resource under the direct-connected communication pattern of shared resource simultaneously, to make target device better for terminal configuration target leads directly to resource, thus realize the business continuance keeping D2D communication.
In technique scheme, preferably, described dispensing unit 304 also for: described target led directly to before resource is issued to described terminal at described target device, control described target device and described target is led directly to resource distribution in the target returns message of described terminal, be issued to described terminal so that described target is led directly to resource.
In this technical scheme, by target being led directly to resource distribution in the target returns message of terminal, can avoid entering extra message, and then avoid introducing extra processing delay.
In technique scheme, preferably, described direct-connected communication pattern comprises: based on the direct-connected communication pattern of scheduling and the direct-connected communication pattern based on shared resource, described direct-connected communication pattern transforms request and comprises: be converted into the described direct-connected communication pattern based on shared resource by the described direct-connected communication pattern based on scheduling, or be converted into the described direct-connected communication pattern based on scheduling by the described direct-connected communication pattern based on shared resource, and described receiving element 302 concrete also for: when the described equipment with base station functions is described target device, the described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends transforms request, described dispensing unit 304 concrete also for: the current available straight-through resource transforming request and described target device according to described direct-connected communication pattern for target described in described terminal configuration leads directly to resource.
In this technical scheme, when the direct-connected communication pattern that target device receives the terminal that the current equipment with base station functions sends transforms request, the target that the particular type that target device can be asked according to the current available straight-through resource of adjacent cell residing for target device and the conversion of direct-connected communication pattern is defined as terminal configuration leads directly to resource.
Such as: when direct-connected communication pattern transforms request for being converted into the request based on the direct-connected communication pattern of scheduling by the current direct-connected communication pattern based on shared resource used, target device can judge that whether the current available straight-through resource of adjacent cell is sufficient, if sufficient, then agree to that the direct-connected communication pattern that the current equipment with base station functions sends transforms request, and lead directly to resource based on the target of direct-connected communication pattern of scheduling for terminal configuration, when being transferred to adjacent cell to make terminal from current service cell, the business relations that D2D communicates can be kept, and the D2D communication carried out after being transferred to adjacent cell based on the direct-connected communication pattern of scheduling.
In technique scheme, preferably, described receiving element 302 concrete also for: when the described equipment with base station functions is described current device, receive the described business model that described terminal sends, described dispensing unit 304 concrete also for: according to described business model for target described in described terminal configuration leads directly to resource.
In this technical scheme, when the equipment with base station functions is current device, illustrate that terminal does not carry out cell merge, also in current service cell (current service time community), the direct-connected resource (target leads directly to resource) of the terminal with such business is distributed current device can be made preferentially to ensure by current device business model being sent to current service cell, and then guarantees the continuity of business of D2D of terminal.
It is the process schematic that terminal configuration target leads directly to resource that Fig. 4 A and Fig. 4 B shows target device according to an embodiment of the invention.
As shown in Figure 4 A and 4 B shown in FIG., the target device showing one embodiment of the present of invention is the process that terminal configuration target leads directly to resource: comprising:
Sending side terminal 1 and receiving side terminal 2 carry out D2D when communicating, if sending side terminal 1 wishes that current service cell is transferred to the adjacent cell adjacent with current service cell, then terminal 1 can communicate with the current equipment with base station functions of current service cell, measurement report is sent to the current equipment with base station functions, and the current straight-through resource that this measurement report comprises under the current direct-connected communication pattern (being namely based on the direct-connected communication pattern dispatched or the direct-connected communication pattern based on shared resource) of sending side terminal 1 and receiving side terminal 2 and/or current direct-connected communication pattern is sent to the current equipment with base station functions,
And current service cell current had the equipment of base station functions before sending side terminal 1 moves to adjacent cell, by carrying out alternately (target device to adjacent cell sends cell merge request) with the target device of adjacent cell, by the current direct-connected communication pattern of sending side terminal 1 received, and/or the current straight-through resource that sending side terminal 1 uses under current direct-connected communication pattern is sent to target device;
Target device is according to the current direct-connected communication pattern of the sending side terminal 1 received, and/or the current straight-through resource that sending side terminal 1 uses under current direct-connected communication pattern, resource is led directly to for sending side terminal 1 configures target in advance, and the target configured is led directly to resource and be back to the current equipment with base station functions, sending side terminal 1 is issued to the target configured is led directly to resource by the current equipment with base station functions, thus when making sending side terminal 1 be transferred to adjacent cell, the business continuance that D2D can be kept to communicate with receiving side terminal 2, and then the experience that the D2D promoting user communicates.
More than be described with reference to the accompanying drawings technical scheme of the present invention, terminal can have been made when the D2D communication of the connectionless communication mode based on broadcast mechanism, keep the continuity of D2D business in real time.
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 (14)
1. a management method for straight-through resource, for having the equipment of base station functions, is characterized in that, comprising:
Receive the direct-connected communication information of sending side terminal;
Be that described terminal configuration target leads directly to resource according to the described direct-connected communication information received, with the continuity making described terminal keep direct-connected communication, wherein, described target leads directly to resource and comprises: find resource and/or the communication resource, the described direct-connected communication information comprises at least one in following information: the current straight-through resource of the business model of described terminal, the direct-connected communication pattern of described terminal, described terminal and the direct-connected communication pattern of described terminal transform request.
2. the management method of straight-through resource according to claim 1, is characterized in that,
The described equipment with base station functions comprises the arbitrary equipment in following equipment: the current device of the target device with base station functions of the adjacent cell adjacent with the current service cell residing for described terminal, the macro base station of the macrocell at place, described current service cell, the described current service cell residing for described terminal, and
When the described equipment with base station functions is described macro base station, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically comprises:
Receive from the described business model of described terminal, with according to described business model for target described in described terminal configuration leads directly to resource.
3. the management method of straight-through resource according to claim 1, is characterized in that,
Described business model comprises: the traffic performance of described terminal and/or the discharge pattern of described terminal, and described traffic performance comprises: the Business Stream of described terminal at least in part from the Business Stream of described macro base station and/or described terminal all from described terminal, described discharge pattern comprises: the traffic statistics characteristic of described terminal and/or the traffic carrying capacity of described terminal.
4. the management method of the straight-through resource according to Claims 2 or 3, is characterized in that,
When the described equipment with base station functions is described target device, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically comprises:
The described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends and/or described current straight-through resource, with according to described direct-connected communication pattern and/or described current straight-through resource for target described in described terminal configuration leads directly to resource.
5. the management method of straight-through resource according to claim 4, is characterized in that,
Described target to be led directly to before resource is issued to described terminal at described target device, described target is led directly to resource distribution in the target returns message of described terminal by described target device, is issued to described terminal so that described target is led directly to resource.
6. the management method of straight-through resource according to claim 4, is characterized in that,
Described direct-connected communication pattern comprises: based on the direct-connected communication pattern of scheduling and the direct-connected communication pattern based on shared resource, described direct-connected communication pattern transforms request and comprises: be converted into the described direct-connected communication pattern based on shared resource by the described direct-connected communication pattern based on scheduling, or be converted into the described direct-connected communication pattern based on scheduling by the described direct-connected communication pattern based on shared resource, and
When the described equipment with base station functions is described target device, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically also comprises:
The described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends transforms request, with the current available straight-through resource transforming request and described target device according to described direct-connected communication pattern for target described in described terminal configuration leads directly to resource.
7. the management method of straight-through resource according to claim 2, is characterized in that,
When the described equipment with base station functions is described current device, described is that described terminal configuration target leads directly to resource according to the described direct-connected communication information, specifically comprises:
Receive described terminal send described business model, with according to described business model for target described in described terminal configuration leads directly to resource.
8. a management system for straight-through resource, for having the equipment of base station functions, is characterized in that, comprising:
Receiving element, receives the direct-connected communication information of sending side terminal;
Dispensing unit, be that described terminal configuration target leads directly to resource according to the described direct-connected communication information received, with the continuity making described terminal keep direct-connected communication, wherein, described target leads directly to resource and comprises: find resource and/or the communication resource, the described direct-connected communication information comprises at least one in following information: the current straight-through resource of the business model of described terminal, the direct-connected communication pattern of described terminal, described terminal and the direct-connected communication pattern of described terminal transform request.
9. the management system of straight-through resource according to claim 8, is characterized in that,
The described equipment with base station functions comprises the arbitrary equipment in following equipment: the current device of the target device with base station functions of the adjacent cell adjacent with the current service cell residing for described terminal, the macro base station of the macrocell at place, described current service cell, the described current service cell residing for described terminal, and
Described receiving element specifically for:
When the described equipment with base station functions is described macro base station, receive the described business model from described terminal,
Described dispensing unit specifically for: according to described business model for target described in described terminal configuration leads directly to resource.
10. the management system of straight-through resource according to claim 8, is characterized in that,
Described business model comprises: the traffic performance of described terminal and/or the discharge pattern of described terminal, and described traffic performance comprises: the Business Stream of described terminal at least in part from the Business Stream of described macro base station and/or described terminal all from described terminal, described discharge pattern comprises: the traffic statistics characteristic of described terminal and/or the traffic carrying capacity of described terminal.
The management system of 11. straight-through resources according to claim 9 or 10, is characterized in that,
Described receiving element concrete also for: when the described equipment with base station functions is described target device, the described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends and/or described current straight-through resource,
Described dispensing unit concrete also for:
According to described direct-connected communication pattern and/or described current straight-through resource for target described in described terminal configuration leads directly to resource.
The management system of 12. straight-through resources according to claim 11, is characterized in that,
Described dispensing unit also for:
Described target led directly to before resource is issued to described terminal at described target device, control described target device and described target is led directly to resource distribution in the target returns message of described terminal, be issued to described terminal so that described target is led directly to resource.
The management system of 13. straight-through resources according to claim 11, is characterized in that,
Described direct-connected communication pattern comprises: based on the direct-connected communication pattern of scheduling and the direct-connected communication pattern based on shared resource, described direct-connected communication pattern transforms request and comprises: be converted into the described direct-connected communication pattern based on shared resource by the described direct-connected communication pattern based on scheduling, or be converted into the described direct-connected communication pattern based on scheduling by the described direct-connected communication pattern based on shared resource, and
Described receiving element concrete also for: when the described equipment with base station functions is described target device, the described direct-connected communication pattern that the current equipment with base station functions receiving described current service cell sends transforms request,
Described dispensing unit concrete also for:
The current available straight-through resource transforming request and described target device according to described direct-connected communication pattern leads directly to resource for target described in described terminal configuration.
The management system of 14. straight-through resources according to claim 9, is characterized in that,
Described receiving element concrete also for: when the described equipment with base station functions is described current device, receive the described business model that described terminal sends,
Described dispensing unit concrete also for: according to described business model for target described in described terminal configuration leads directly to resource.
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