CN103813388B - A kind of method and apparatus for being used to realize the resources control based on via node - Google Patents

A kind of method and apparatus for being used to realize the resources control based on via node Download PDF

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Publication number
CN103813388B
CN103813388B CN201210437126.6A CN201210437126A CN103813388B CN 103813388 B CN103813388 B CN 103813388B CN 201210437126 A CN201210437126 A CN 201210437126A CN 103813388 B CN103813388 B CN 103813388B
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CN
China
Prior art keywords
access
information
via node
corresponding
demand information
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CN201210437126.6A
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Chinese (zh)
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CN103813388A (en
Inventor
刘漪
彭曦
曹清
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上海贝尔股份有限公司
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Priority to CN201210437126.6A priority Critical patent/CN103813388B/en
Publication of CN103813388A publication Critical patent/CN103813388A/en
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Abstract

It is an object of the invention to provide a kind of method and apparatus for being used to realize the resources control based on via node.Control device obtains the access-in resource demand information on the access link corresponding to via node;According to the access-in resource demand information, and the backhaul resources demand information of the back haul link with reference to corresponding to the via node, control the resource corresponding to the via node;Auxiliary control appliance determines the access-in resource demand information on the access link corresponding to via node;The access-in resource demand information is sent to the eNB corresponding with the via node.Compared with prior art, the present invention is by the way that the access-in resource demand information of the access link corresponding with via node is sent into eNB so that the backhaul resources demand information of eNB combination back haul links, controls the resource corresponding to the via node;So that eNB obtains the relevant information of access link, and optimized allocation of resources or flow are controlled between back haul link and access link according to described information.

Description

A kind of method and apparatus for being used to realize the resources control based on via node

Technical field

The present invention relates to wireless communication field, more particularly to a kind of technology of the resources control based on via node.

Background technology

In LTE-Advanced Release10 (R10), 3GPP has the specific via node Relay for LTE Node (RN) is transmitted.Running time-frequency resource should be enhancement mode node B, i.e. eNB (EUTRAN Node B) to the transmission of via node (i.e. back haul link) and RN are reserved to the transmission (i.e. access link) of user equipment (UE), to be used for by time division multiplexing mode ENB is to via node and via node to the transmission of user equipment.And for TDD (Time Division Duplexing for), the subframe configured for backhaul transport is consequently not used for access link.

Therefore, the handling capacity that the resource allocation between back haul link and access link is transmitted for via node is to closing weight Will.ENB does not have the relevant information (such as channel quality, resource consumption rate) of access link, and can not be received from user equipment Dispatch request SR (SchdulingRequest) and/or Buffer Status Report BSR (Buffer Status Report).Cause This, it is impossible to the stock number to access link is accurately assessed.

If the resource between back haul link and access link is uneven, the handling capacity will be reduced.If for example, descending connect The buffering area that incoming link resource is much smaller than in the handling capacity of backhaul, via node may overflow and cause packet loss.From the opposing party Say that, if descending backhaul link resource is much smaller than descending access link resource, handling capacity may block, and access link resource in face Then it is wasted.

The content of the invention

It is an object of the invention to provide a kind of method and apparatus for being used to realize the resources control based on via node.

According to an aspect of the invention, there is provided a kind of be used to realize the resources control based on via node in the enb Method, wherein, this method comprises the following steps:

X obtains the access-in resource demand information on the access link corresponding to via node, wherein, the access-in resource Demand information includes the information corresponding with the flow information and/or quality of wireless channel information of the access link;

Y is according to the access-in resource demand information, and the backhaul money of the back haul link with reference to corresponding to the via node Source demand information, controls the resource corresponding to the via node, wherein, the backhaul resources demand information includes and described time The flow information and/or the corresponding information of quality of wireless channel information of journey link.

According to another aspect of the present invention, additionally provide one kind is used to aid in realizing based on via node in via node Resources control method, wherein, this method comprises the following steps:

A determines the access-in resource demand information on the access link corresponding to via node, wherein, the access-in resource Demand information includes the information corresponding with the flow information and/or quality of wireless channel information of the access link;

B sends the access-in resource demand information to the eNB corresponding with the via node.

In accordance with a further aspect of the present invention, additionally provide a kind of in the enb for realizing the resource control based on via node The control device of system, wherein, the equipment includes:

Acquisition device, for obtaining the access-in resource demand information on the access link corresponding to via node, wherein, The access-in resource demand information includes corresponding with the flow information and/or quality of wireless channel information of the access link Information;

Control device, for according to the access-in resource demand information, and the backhaul with reference to corresponding to the via node The backhaul resources demand information of link, controls the resource corresponding to the via node, wherein, the backhaul resources demand information Including the corresponding information of the flow information with the back haul link and/or quality of wireless channel information.

According to another aspect of the invention, additionally provide one kind is used to aid in realizing based on via node in via node Resources control auxiliary control appliance, wherein, the auxiliary control appliance includes:

Determining device, for determining the access-in resource demand information on the access link corresponding to via node, wherein, The access-in resource demand information includes corresponding with the flow information and/or quality of wireless channel information of the access link Information;

Dispensing device, for the access-in resource demand information to be sent to the eNB corresponding with the via node.

According to another aspect of the present invention, a kind of eNB for being used to realize the resources control based on via node is additionally provided, Including control device described above.

According to another aspect of the present invention, additionally provide a kind of auxiliary that is used for and realize the resources control based on via node Via node, including auxiliary control appliance as described above.

According to another aspect of the present invention, additionally providing a kind of is used to realize that resources control based on via node is System, including control device as described above and auxiliary control appliance as described above.

Compared with prior art, the present invention passes through the connecing the access link corresponding with via node according to via node Enter resource requirement information to send into eNB so that the backhaul resources demand information of eNB combination back haul links, control the relaying Resource corresponding to node;So that eNB obtains the relevant information of access link, and according to described information in back haul link and Optimized allocation of resources or flow control between access link.Moreover, the present invention can also be in the enb according to the access-in resource demand Information, and the backhaul resources demand information of the back haul link with reference to corresponding to the via node, determine the via node institute Corresponding subframe configuration information, and it is provided to via node;Via node is according to the subframe configuration information, to access chain The sub-frame configuration on road is updated;Optimize so as to by the renewal to sub-frame configuration, realize between back haul link and access link Resource allocation or flow control.Moreover, the present invention can also be determined backhaul resources demand information by via node, and it is sent to To eNB;ENB obtains the backhaul resources demand information, so that eNB is with reference to the backhaul resources demand information, and according to Described information optimized allocation of resources or flow control between back haul link and access link.Moreover, the present invention can also be detected is The no control trigger condition for meeting the resource corresponding to the control via node, by the detection for controlling trigger condition, Situations such as frequent updating to avoid sub-frame configuration.

Brief description of the drawings

By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other Feature, objects and advantages will become more apparent upon:

Fig. 1 shows the Transmission system reference with the specific via node for LTE according to one aspect of the invention Schematic diagram;

Fig. 2 shows to be used to realize that the control of the resources control based on via node is set according to a kind of of one aspect of the invention It is standby with auxiliary control appliance schematic diagram;

What Fig. 3 showed in accordance with a preferred embodiment of the present invention a kind of is used to realize resources control based on via node Control device and auxiliary control appliance schematic diagram;

Fig. 4 shows a kind of use realized with control device and auxiliary control appliance according to a further aspect of the present invention In the method flow diagram for realizing the resources control based on via node;

Fig. 5 shows a kind of realization with control device and auxiliary control appliance in accordance with a preferred embodiment of the present invention Be used for realize the resources control based on via node method flow diagram.

Same or analogous reference represents same or analogous part in accompanying drawing.

Embodiment

The present invention is described in further detail below in conjunction with the accompanying drawings.

Fig. 1 shows to be shown according to the eNB system references with the specific via node for LTE of one aspect of the invention It is intended to.Wherein, user equipment is interacted by via node with eNB.Specifically, when user equipment is accessed by via node During eNB, the link for being connected to via node from user equipment is uplink access link;ENB link is connected to from via node For up back haul link;Up-link includes uplink access link and up back haul link.As eNB by via node to user It is descending back haul link from the eNB links for being connected to via node when equipment is accessed;User equipment is connected to from via node Link is descending access link;Downlink includes descending back haul link and descending access link.Here, access link is including upper Row access link and descending access link;Back haul link includes up back haul link and descending back haul link.

Fig. 2 shows to be used to realize that the control of the resources control based on via node is set according to a kind of of one aspect of the invention It is standby with auxiliary control appliance schematic diagram;Wherein, control device 1 includes acquisition device 11, control device 12;Auxiliary control appliance 2 Including determining device 21, dispensing device 22.Worked in coordination between control device 1 and each device of auxiliary control appliance 2, with reality The existing resources control based on via node.Specifically, it is determined that device 21 is determined on the access link corresponding to via node Access-in resource demand information, wherein, the access-in resource demand information includes the flow information and/or nothing with the access link The corresponding information of line channel quality information;The access-in resource demand information is sent to the relaying and saved by dispensing device 22 The corresponding eNB of point;Acquisition device 11 obtains the access-in resource demand information on the access link corresponding to via node, its In, the access-in resource demand information includes relative with the flow information and/or quality of wireless channel information of the access link The information answered;Control device 12 is according to the access-in resource demand information, and the backhaul chain with reference to corresponding to the via node The backhaul resources demand information on road, controls the resource corresponding to the via node, wherein, the backhaul resources demand information bag Include the information corresponding with the flow information and/or quality of wireless channel information of the back haul link.Here, the control device 1 and auxiliary control appliance 2 include but is not limited to the network equipment, or multiple network equipments are integrated setting of being constituted by network It is standby.Wherein, the network equipment its include but is not limited to computer, network host, single network server, multiple network services The cloud that device collection or multiple servers are constituted;Here, cloud is by a large amount of computers or net based on cloud computing (Cloud Computing) Network server is constituted, wherein, cloud computing is one kind of Distributed Calculation, one be made up of the computer collection of a group loose couplings Virtual supercomputer.The network include but is not limited to internet, wide area network, Metropolitan Area Network (MAN), LAN, VPN, it is wireless from Organize network (Ad Hoc networks) etc..The network includes but is not limited to internet, wide area network, Metropolitan Area Network (MAN), LAN, VPN nets Network, wireless self-organization network (Ad Hoc networks) etc..Communication mode between control device 1 and auxiliary control appliance 2 include but The packet data transmission based on various communication protocols is not limited to, moreover, between control device 1 and each auxiliary control appliance 2 Communication mode is separate.Those skilled in the art will be understood that above-mentioned control device 1, auxiliary control appliance 2 and connect it Between network, communication mode be only for example, other control device, auxiliary control appliance or nets existing or be likely to occur from now on Network, communication mode are such as applicable to the present invention, should also be included within the scope of the present invention, and include by reference herein In this.

Constantly worked between above-mentioned each device, here, it will be understood by those skilled in the art that " lasting " refers to State each device respectively in real time, or according to the mode of operation requirement of setting or real-time adjustment, carry out access-in resource demand letter The determination of breath, the transmission of access-in resource demand information, the acquisition of access-in resource demand information, resource corresponding to via node Control etc., until auxiliary control appliance stops determining that the access-in resource demand on the access link corresponding to via node is believed Breath.

Determining device 21 determines the access-in resource demand information on the access link corresponding to via node, wherein, institute Stating access-in resource demand information includes the letter corresponding with the flow information and/or quality of wireless channel information of the access link Breath.Specifically, it is determined that device 21 is by directly obtaining the access-in resource demand information of the access link corresponding to via node, or The relevant information of access link of the person according to corresponding to via node, is determined on the access corresponding to via node by calculating The access-in resource demand information of link;Wherein, the access-in resource demand information includes but is not limited to the flow letter of access link Breath, the quality of wireless channel information (such as spectrum efficiency) of access link, the frequency spectrum resource quantity of access link or up when being used for When in channel, the required Physical Resource Block PRB (Physical calculated according to flow information and quality of wireless channel information Resource Block) information or when in for up channel, matched somebody with somebody according to the subframe that the physical resource block message is calculated One or more in confidence breath;Here, access link resource and expected access link resource can also be obtained according to current Difference, the access-in resource demand information is determined, such as according to the frequency spectrum resource quantity that currently obtains and expected frequency spectrum resource The difference of quantity, determines the access-in resource demand information.

Dispensing device 22 sends the access-in resource demand information to the eNB corresponding with the via node.Specifically Ground, dispensing device 22 is based on the logical of various communication protocols, the application programming interfaces provided by eNB (API), or other agreements The call format of letter mode, the access-in resource demand information is sent to the eNB corresponding with the via node.Wherein, Those skilled in the art will be understood that the dispensing device 22 the access-in resource demand information can be sent to the relaying The corresponding eNB of node is used for the control device of resources control of the realization based on via node in the enb.

Preferably, the determining device 21 can also determine the backhaul resources of the back haul link corresponding to the via node Demand information, wherein, the backhaul resources demand information includes the flow information and/or wireless channel matter with the back haul link Measure the corresponding information of information;The dispensing device 22 can also send the backhaul resources demand information to the eNB.Tool Body, determining device 21 is by directly obtaining the backhaul resources demand information of the back haul link corresponding to via node, Huo Zhegen According to the relevant information of the back haul link corresponding to via node, determined by calculating on the back haul link corresponding to via node Backhaul resources demand information;Wherein, the backhaul resources demand information includes but is not limited to the flow information of back haul link, returns The quality of wireless channel information (such as spectrum efficiency) of journey link, or when in for up channel, according to flow information and wirelessly Required Physical Resource Block PRB (Physical Resource Block) information or ought use that channel quality information is calculated When in up channel, the one or more in the subframe configuration information calculated according to the physical resource block message.Send Device 22 sends the access-in resource demand information to the eNB corresponding with the via node.Here, described sender formula It is same or similar with sending method described in dispensing device 22 described in Fig. 2, therefore here is omitted, and the side for passing through reference Formula is incorporated herein.

For example, in the downlink, determining device 21 passes through according to current throughput and current PRB unit consumptions speed Rate, or by using the access link channel quality and current data transfer rates of each user equipment, in access link Affordable handling capacity be estimated, so as to obtain the required throughput information of access link, to determine to save on relaying The access-in resource demand information of the corresponding access link of point.Dispensing device 22 believes the required handling capacity of the access link Breath is sent to the eNB corresponding with the via node.

For example, in the uplink, determining device 21 can be by according to current handling capacity and each user equipment Corresponding dispatch request SR (Schduling Request) and/or Buffer Status Report BSR (Buffer Status Report required throughput information) is assessed, to determine that the access-in resource on the access link corresponding to via node is needed Seek information.Dispensing device 22 sends the required throughput information to the eNB corresponding with the via node.

For example, in the uplink, determining device 21 according to the handling capacity and uplink channel quality of access link come Assessed for each UE by the PRB of demand quantity, so as to obtain the total quantity M1 of the PRB by demand in access link; And according to the handling capacity in back haul link and the current modulation being averagely subscribed and encoding scheme MCS (Modulation Andcoding scheme) assessed for each user equipment by the RPB of demand quantity, so as to obtain the quilt in back haul link The RPB of demand total quantity M2.So as to by the total quantity M1 of the PRB by demand in the access link and back haul link Sent by the RPB of demand total quantity M2 to the corresponding eNB of the via node, using as on corresponding to via node The access-in resource demand information of access link.Dispensing device 22 is by the total quantity M1 of the PRB by demand in the access link Sent with the total quantity M2 of the RPB by demand in back haul link to the eNB corresponding with the via node.

Further, it is determined that device 21 according to access link and back haul link be required PRB (i.e. the upper example M1, M2), it is determined that being used to access the sub-frame configuration by demand with back haul link in up-link.Hereinafter it is based in 3GPP on TDD The example of line link-downlink subframe configurations 1, wherein it is determined that the method for sub-frame configuration 1 is for example:Assuming that in each uplink There is N number of PRB to can be used for PUSCH in way frame,

- as M1/N < ,=3and M2/N <=2 and round up (M1/N)+round up (M2/N) <=4, it is determined that with Rounded up (M1/N) by the sub-frame number S1=of demand in access link, and for the number of sub frames by demand of back haul link Amount S2=rounds up (M2/N);

- or, if M1/M2 < θ, S1=2, S2=2;IfM1/M2 >=θ, S1=3, S2=1.θ is configurable threshold Value.

Dispensing device 22 by it is described be used for access and back haul link sent by the sub-frame configuration of demand to the relaying The corresponding eNB of node.

Acquisition device 11 obtains the access-in resource demand information on the access link corresponding to via node, wherein, institute Stating access-in resource demand information includes the letter corresponding with the flow information and/or quality of wireless channel information of the access link Breath.Specifically, acquisition device 11 is with via node or auxiliary control appliance by based on various communication protocols, interacting, or The equipment that person can provide the access-in resource demand information on the access link corresponding to via node with other is interacted, Obtain the access-in resource demand information on the access link corresponding to via node.Wherein, the access-in resource demand information The including but not limited to flow information of access link, the quality of wireless channel information (such as spectrum efficiency) of access link, or ought use When in up channel, the required Physical Resource Block PRB calculated according to flow information and quality of wireless channel information (Physical Resource Block) information or when in for up channel, is counted according to the physical resource block message One or more in the subframe configuration information of calculation.

Control device 12 is according to the access-in resource demand information, and the back haul link with reference to corresponding to the via node Backhaul resources demand information, control the resource corresponding to the via node, wherein, the backhaul resources demand information includes The information corresponding with the flow information and/or quality of wireless channel information of the back haul link.Specifically, control device 12 leads to Cross as the backhaul resources demand information of the back haul link corresponding to eNB or described control devices directly obtain the via node (as in the downlink), or receive as corresponding to the via node transmitted by via node or auxiliary control appliance The backhaul resources demand information (as in the uplink) of back haul link, so as to obtain the backhaul chain corresponding to the via node The backhaul resources demand information on road.The access-in resource demand information of the control device 12 according to acquired in acquisition device 11, and The backhaul resources demand information of back haul link with reference to corresponding to the via node, to the resource corresponding to the via node It is controlled.Wherein, the resource includes but is not limited to floating resources, time resource, frequency resource, space resources, power money Source;Here, the time resource and/or frequency resource can be controlled by the configuration to sub-frame number.The control includes But it is not limited to according to the access-in resource demand information, and combines backhaul resources demand information calculating sub-frame configuration, or determines Whether the sub-frame configuration by demand for accessing with back haul link transmitted by dispensing device 22 performs, or to flow Information is controlled;Further, sub-frame configuration can also be updated, so as to realize optimized allocation of resources or flow control System.

Preferably, the acquisition device 11 can also obtain the backhaul resources demand information.Specifically, specifically, obtain Device 11 is taken by directly obtaining, or based on various communication protocols, is interacted with via node or auxiliary control appliance, or The equipment that person can provide backhaul resources demand information with other is interacted, and obtains the backhaul resources demand information.

For example, in the uplink, if access and the back haul link of being used for transmitted by dispensing device 22 is by demand Sub-frame configuration and present sub-frame configuration it is inconsistent, control device 12 determine present sub-frame configuration whether should be upgraded.For example, After precedent, in the example of TDD uplink-downlinks, if present sub-frame configures TDD (SubframeconfigurationTDD) it is 2 or 3, and via node wishes 2 subframes being used for access link, then eNB is true It is fixed that the sub-frame configuration TDD (SubframeconfigurationTDD) is updated to 4.

For example, in the downlink, if affordable throughput ratio current throughput is small, it is assumed that eNB, which is only transmitted, to bear Handling capacity, control device 12 calculates the sub-frame number L by demand for back haul link:

If the current backhaul subframes of-L=, control device 12 can provide the flow control of backhaul handling capacity, to avoid in RN In spilling and data-bag lost;

If the current backhaul subframes of L <, control device 12 can be by updating sub-frame configuration, to increase access link Subframe and reduce backhaul link subframe.

If the handling capacity that affordable throughput ratio is currently used in back haul link is more, and is used for the subframe of back haul link not Foot, control device 12 may be by reducing access link subframe and increasing backhaul link subframe, to update sub-frame configuration;And Control device 12 should be ensured that the enough downlink throughputs of access link resource under new configuration.

Preferably, the control device also includes detection means (not shown), wherein, the detection means detects whether full The control trigger condition of resource corresponding to the foot control via node;If meeting the control trigger condition, the control Device 12 is according to the access-in resource demand information, and the backhaul resources of the back haul link with reference to corresponding to the via node are needed Information is sought, the resource corresponding to the via node is controlled.Specifically, detection means is triggered by periodic detection, according to event Detection or other detection modes, detect whether to meet the control trigger condition of the resource corresponding to the control via node;Its In, the control trigger condition includes but is not limited to clocked flip, and such as control for resource, which is set, starts limitation timer, works as institute When stating timer operation, the control can not be run, or sub-frame configuration can not be updated;The control trigger condition is also wrapped Other predetermined conditions are included, such as when the resource requirement difference between back haul link and access link exceedes certain threshold value, money are performed Source control etc..

What Fig. 3 showed in accordance with a preferred embodiment of the present invention a kind of is used to realize resources control based on via node Control device and auxiliary control appliance schematic diagram;Wherein, control device 1 includes acquisition device 11 ', control device 12 ';Auxiliary control Control equipment 2 includes determining device 21 ', dispensing device 22 ', auxiliary acquisition device 23 ', auxiliary updating device 24 '.Control device 1 Worked in coordination between each device of auxiliary control appliance 2, to realize the resources control based on via node.Specifically, really Determine access-in resource demand information of the determination of device 21 ' on the access link corresponding to via node, wherein, the access-in resource Demand information includes the information corresponding with the flow information and/or quality of wireless channel information of the access link;Send dress 22 ' are put to send the access-in resource demand information to the eNB corresponding with the via node;Acquisition device 11 ', which is obtained, to close In the access-in resource demand information of the access link corresponding to via node, wherein, the access-in resource demand information include with The flow information and/or the corresponding information of quality of wireless channel information of the access link;Control device 12 ' connects according to Enter resource requirement information, and the backhaul resources demand information of the back haul link with reference to corresponding to the via node, it is determined that described Subframe configuration information corresponding to via node, the subframe configuration information after updating is provided to the via node;Auxiliary is obtained Device 23 ' obtains the subframe configuration information after the renewal that the eNB is provided;Updating device 24 ' is aided according to the sub-frame configuration Information, updates the sub-frame configuration of the access link.Wherein, the acquisition device 11 ' in control device 1 and auxiliary control appliance 2 In determining device 21 ', dispensing device 22 ' it is identical or essentially identical with corresponding intrument shown in Fig. 2 respectively, therefore herein no longer go to live in the household of one's in-laws on getting married State, and be incorporated herein by reference.

Constantly worked between above-mentioned each device, here, it will be understood by those skilled in the art that " lasting " refers to State each device respectively in real time, or according to the mode of operation requirement of setting or real-time adjustment, carry out access-in resource demand letter The determination of breath, the transmission of access-in resource demand information, the acquisition of access-in resource demand information, the determination of subframe configuration information, son The offer of frame configuration information, the acquisition of subframe configuration information, renewal of the sub-frame configuration of access link etc., until auxiliary control is set It is standby to stop determining the access-in resource demand information on the access link corresponding to via node.

Control device 12 ' is according to the access-in resource demand information, and the backhaul chain with reference to corresponding to the via node The backhaul resources demand information on road, determines the subframe configuration information corresponding to the via node;There is provided to the via node Subframe configuration information after renewal.Specifically, control device 12 ' determines the subframe configuration information corresponding to the via node Method determines that the method for sub-frame configuration is same or similar therefore here is omitted with control device 12 described in Fig. 2, and by drawing Mode is incorporated herein.Control device 12 ' is by based on various communication protocols, sending the subframe configuration information or transmitting To the via node.

Acquisition device 23 ' is aided in obtain the subframe configuration information after the renewal that the eNB is provided.Specifically, auxiliary is obtained Device 23 ' can provide described by based on various communication protocols, being interacted with stating eNB or control device, or with other The equipment of subframe configuration information after the renewal that eNB is provided is interacted, and obtains the sub-frame configuration after the renewal that the eNB is provided Information.

Aid in updating device 24 ' according to the subframe configuration information, update the sub-frame configuration of the access link.Specifically Ground, the subframe configuration information after renewal of the auxiliary updating device 24 ' according to acquired in the auxiliary acquisition device 23 ', to access The sub-frame information of link is updated, and the subframe configuration information of whole link is updated.

Fig. 4 shows a kind of use realized with control device and auxiliary control appliance according to a further aspect of the present invention In the method flow diagram for realizing the resources control based on via node.Specifically, in step s1, auxiliary control appliance 2 is determined On the access-in resource demand information of the access link corresponding to via node, wherein, the access-in resource demand information includes The information corresponding with the flow information and/or quality of wireless channel information of the access link;In step s2, auxiliary control Equipment 2 sends the access-in resource demand information to the eNB corresponding with the via node;Correspondingly, control device 1 is obtained The access-in resource demand information on the access link corresponding to via node is taken, wherein, the access-in resource demand information bag Include the information corresponding with the flow information and/or quality of wireless channel information of the access link;In step s3, control is set Standby 1 according to the access-in resource demand information, and the backhaul resources demand of the back haul link with reference to corresponding to the via node Information, controls the resource corresponding to the via node, wherein, the backhaul resources demand information includes and the back haul link Flow information and/or the corresponding information of quality of wireless channel information.

Constantly worked between above steps, here, it will be understood by those skilled in the art that " lasting " refers to State each step respectively in real time, or according to the mode of operation requirement of setting or real-time adjustment, carry out access-in resource demand letter The determination of breath, the transmission of access-in resource demand information, the acquisition of access-in resource demand information, resource corresponding to via node Control etc., until auxiliary control appliance stops determining that the access-in resource demand on the access link corresponding to via node is believed Breath.

In step s1, auxiliary control appliance 2 determines that the access-in resource on the access link corresponding to via node is needed Information is sought, wherein, the access-in resource demand information includes the flow information and/or quality of wireless channel with the access link The corresponding information of information.Specifically, in step s1, auxiliary control appliance 2 is by directly obtaining corresponding to via node The access-in resource demand information of access link, or the access link according to corresponding to via node relevant information, pass through meter Calculate the access-in resource demand information determined on the access link corresponding to via node;Wherein, the access-in resource demand letter Breath includes but is not limited to the flow information of access link, the quality of wireless channel information (such as spectrum efficiency) of access link, access The frequency spectrum resource quantity of link or when in for up channel, is calculated according to flow information and quality of wireless channel information Required Physical Resource Block PRB (Physical Resource Block) information or when in for up channel, according to institute State the one or more in the subframe configuration information that physical resource block message is calculated;Here, can also be according to currently being connect The difference of incoming link resource and expected access link resource, determines the access-in resource demand information, such as according to current acquisition Frequency spectrum resource quantity and expected frequency spectrum resource quantity difference, determine the access-in resource demand information.

In step s2, auxiliary control appliance 2 by the access-in resource demand information send to the via node phase Corresponding eNB.Specifically, in step s2, auxiliary control appliance 2 is based on various communication protocols, the application provided by eNB Routine interface (API), or other agreement communication modes call format, by the access-in resource demand information send to institute State the corresponding eNB of via node.Wherein, those skilled in the art will be understood that the step s2 can be by the access-in resource Demand information sends to the eNB corresponding with the via node or is used to realize the resource control based on via node in the enb The control device of system.

Preferably, in step s1, auxiliary control appliance 2 can also determine the back haul link corresponding to the via node Backhaul resources demand information, wherein, the backhaul resources demand information include with the flow information of the back haul link and/or The corresponding information of quality of wireless channel information;In step s2, auxiliary control appliance 2 can also be by the backhaul resources demand Information is sent to the eNB.Specifically, in step s1, auxiliary control appliance 2 is by directly obtaining corresponding to via node The backhaul resources demand information of back haul link, or the back haul link according to corresponding to via node relevant information, pass through meter Calculate the backhaul resources demand information determined on the back haul link corresponding to via node;Wherein, the backhaul resources demand letter Breath includes but is not limited to the flow information of back haul link, the quality of wireless channel information (such as spectrum efficiency) of back haul link, or works as During in up channel, the required Physical Resource Block PRB calculated according to flow information and quality of wireless channel information (Physical ResourceBlock) information or when in for up channel, is calculated according to the physical resource block message Subframe configuration information in one or more.In step s2, auxiliary control appliance 2 sends out the access-in resource demand information Deliver to the eNB corresponding with the via node.Here, described sender formula and the transmission described in step s2 described in Fig. 4 Mode is same or similar, therefore here is omitted, and is incorporated herein by reference.

For example, in the downlink, in step s1, auxiliary control appliance 2 passes through according to current throughput and currently PRB unit consumption speed, or by using the access link channel quality and current data transfer rates of each user equipment, it is right Affordable handling capacity in access link is estimated, so that the required throughput information of access link is obtained, with true The fixed access-in resource demand information on the access link corresponding to via node.In step s2, auxiliary control appliance 2 is by institute The required throughput information of access link is stated to send to the eNB corresponding with the via node.

For example, in the uplink, in step s1, auxiliary control appliance 2 can by according to current handling capacity with And dispatch request SR (Schduling Request) and/or Buffer Status Report BSR corresponding to each user equipment (Buffer StatusReport) assesses required throughput information, to determine on the access chain corresponding to via node The access-in resource demand information on road.In step s2, auxiliary control appliance 2 by the required throughput information send to The corresponding eNB of the via node.

For example, in the uplink, in step s1, auxiliary control appliance 2 is according to the handling capacity of access link and up Link Channel Quality to be that each UE is assessed by the PRB of demand quantity, thus obtain in access link by demand PRB total quantity M1;And according to the handling capacity in back haul link and the current modulation being averagely subscribed and encoding scheme MCS (Modulation and coding scheme) is that each user equipment is assessed by the RPB of demand quantity, so as to obtain The total quantity M2 of the RPB by demand in back haul link.So as to by the total quantity M1 of the PRB by demand in the access link Sent with the total quantity M2 of the RPB by demand in back haul link to the corresponding eNB of the via node, using as in After the access-in resource demand information of the access link corresponding to node.In step s2, auxiliary control appliance 2 is by the access chain The total quantity M1 of the PRB by demand in the road and RPB by demand in back haul link total quantity M2 send to it is described in After the corresponding eNB of node.

Further, in step s1, auxiliary control appliance 2 is according to access link and the PRB being required of back haul link (i.e. upper example described M1, M2), it is determined that being used to access the sub-frame configuration by demand with back haul link in up-link.Hereinafter base The example of TDD uplink-downlinks sub-frame configuration 1 in 3GPP, wherein it is determined that the method for sub-frame configuration 1 is for example:Assuming that There is N number of PRB to can be used for PUSCH in each uplink sub-frames,

- as M1/N < ,=3and M2/N <=2 and round up (M1/N)+round up (M2/N) <=4, it is determined that with Rounded up (M1/N) by the sub-frame number S1=of demand in access link, and for the number of sub frames by demand of back haul link Amount S2=rounds up (M2/N);

- or, if M1/M2 < θ, S1=2, S2=2;IfM1/M2 >=θ, S1=3, S2=1.θ is configurable threshold Value.

In step s2, auxiliary control appliance 2 is used to access the sub-frame configuration hair by demand with back haul link by described Deliver to the eNB corresponding with the via node.

Correspondingly, in step s2, control device 1 obtains the access-in resource on the access link corresponding to via node Demand information, wherein, the access-in resource demand information includes the flow information and/or wireless channel matter with the access link Measure the corresponding information of information.Specifically, in step s2, control device 1 is by based on various communication protocols, with via node Or auxiliary control appliance is interacted, or with other can provide on the access link corresponding to via node access money The equipment of source demand information is interacted, and obtains the access-in resource demand information on the access link corresponding to via node. Wherein, the access-in resource demand information includes but is not limited to the flow information of access link, the wireless channel matter of access link Information (such as spectrum efficiency) is measured, or when in for up channel, is calculated according to flow information with quality of wireless channel information Required Physical Resource Block PRB (Physical ResourceBlock) information or when in for up channel, according to One or more in the subframe configuration information that the physical resource block message is calculated.

In step s3, control device 1 is according to the access-in resource demand information, and with reference to corresponding to the via node Back haul link backhaul resources demand information, control the resource corresponding to the via node, wherein, the backhaul resources are needed Information is asked to include the information corresponding with the flow information and/or quality of wireless channel information of the back haul link.Specifically, exist In step s3, control device 1 passes through the back haul link corresponding to directly obtaining the via node as eNB or described control devices Backhaul resources demand information (as in the downlink), or receive as the institute transmitted by via node or auxiliary control appliance The backhaul resources demand information (as in the uplink) of the back haul link corresponding to via node is stated, so as to obtain the relaying The backhaul resources demand information of back haul link corresponding to node.In step s3, control device 1 is set according to control in step s2 The access-in resource demand information acquired in standby 1, and the backhaul resources of the back haul link with reference to corresponding to the via node Demand information, is controlled to the resource corresponding to the via node.Wherein, the resource includes but is not limited to flow money Source, time resource, frequency resource, space resources, power resource;Here, the time resource and/or frequency resource can be by right The configuration of sub-frame number is controlled.The control includes but is not limited to according to the access-in resource demand information, and combines back Journey resource requirement information calculates sub-frame configuration, or determines in step 2, described for connecing transmitted by auxiliary control appliance 2 Whether the sub-frame configuration by demand entered with back haul link is performed, or flow information is controlled;Further, can be with Sub-frame configuration is updated, so as to realize optimized allocation of resources or flow control.

Preferably, in step s2, control device 1 can also obtain the backhaul resources demand information.Specifically, specifically Ground, in step s2, control device 1 is controlled by directly obtaining, or based on various communication protocols with via node or auxiliary Equipment is interacted, or the equipment that can provide backhaul resources demand information with other is interacted, and obtains the backhaul money Source demand information.

For example, in the uplink, if in step s2, it is described for accessing and returning transmitted by auxiliary control appliance 2 The sub-frame configuration by demand of journey link configures inconsistent with present sub-frame, and in step s3, control device 1 determines present sub-frame Whether configuration should be upgraded.For example, after precedent, in the example of TDD uplink-downlinks, if present sub-frame is configured TDD (SubframeconfigurationTDD) is 2 or 3, and via node wishes 2 subframes being used for access link, then eNB It is determined that the sub-frame configuration TDD (SubframeconfigurationTDD) is updated into 4.

For example, in the downlink, if affordable throughput ratio current throughput is small, it is assumed that eNB, which is only transmitted, to bear Handling capacity, in step s3, control device 1 calculates the sub-frame number L by demand for back haul link:

If the current backhaul subframes of-L=, in step s3, control device 1 can provide the flow control of backhaul handling capacity, To avoid the spilling and data-bag lost in RN;

If the current backhaul subframes of L <, in step s3, control device 1 can be by updating sub-frame configuration, to increase Adjunction incoming link subframe and reduce backhaul link subframe.

If the handling capacity that affordable throughput ratio is currently used in back haul link is more, and is used for the subframe of back haul link not Foot, in step s3, control device 1 may be by reducing access link subframe and increasing backhaul link subframe, to update son Frame is configured;And control device 1 should be ensured that the enough downlink throughputs of access link resource under new configuration.

Preferably, methods described also includes step s5 (not shown), wherein, in step s5, control device 1 is detected whether Meet the control trigger condition of the resource corresponding to the control via node;If the control trigger condition is met, in step In s3, control device 1 is according to the access-in resource demand information, and time of the back haul link with reference to corresponding to the via node Journey resource requirement information, controls the resource corresponding to the via node.Specifically, in step s5, it is fixed that control device 1 passes through Phase is detected, according to event detection trigger or other detection modes, detects whether to meet the money corresponding to the control via node The control trigger condition in source;Wherein, the control trigger condition includes but is not limited to clocked flip, is such as set for the control of resource Start limitation timer, when the timer is run, the control can not be run, or sub-frame configuration can not be updated; The control trigger condition also includes other predetermined conditions, such as when the resource requirement difference between back haul link and access link exceedes During certain threshold value, resources control etc. is performed.

Fig. 5 shows a kind of realization with control device and auxiliary control appliance in accordance with a preferred embodiment of the present invention Be used for realize the resources control based on via node method flow diagram.Specifically, in step s1 ', auxiliary control appliance 2 It is determined that the access-in resource demand information on the access link corresponding to via node, wherein, the access-in resource demand information Including the corresponding information of the flow information with the access link and/or quality of wireless channel information;It is auxiliary in step s2 ' Control device 2 is helped to send the access-in resource demand information to the eNB corresponding with the via node;Correspondingly, control Equipment 1 obtains the access-in resource demand information on the access link corresponding to via node, wherein, the access-in resource demand Information includes the information corresponding with the flow information and/or quality of wireless channel information of the access link;In step s31 ' In, control device 1 is according to the access-in resource demand information, and the backhaul of the back haul link with reference to corresponding to the via node Resource requirement information, determines the subframe configuration information corresponding to the via node;In step s32 ', control device 1 is to institute State via node and the subframe configuration information after updating is provided;Correspondingly, auxiliary control appliance 2 obtains the renewal that the eNB is provided Subframe configuration information afterwards;In step s4 ', auxiliary control appliance 2 updates the access chain according to the subframe configuration information The sub-frame configuration on road.Wherein, step s1 ', step s2 ' are identical or essentially identical with correspondence step shown in Fig. 4 respectively, therefore herein not Repeat, and be incorporated herein by reference again.

Constantly worked between above steps, here, it will be understood by those skilled in the art that " lasting " refers to State each step respectively in real time, or according to the mode of operation requirement of setting or real-time adjustment, carry out access-in resource demand letter The determination of breath, the transmission of access-in resource demand information, the acquisition of access-in resource demand information, the determination of subframe configuration information, son The offer of frame configuration information, the acquisition of subframe configuration information, renewal of the sub-frame configuration of access link etc., until auxiliary control is set It is standby to stop determining the access-in resource demand information on the access link corresponding to via node.

In step s31 ', control device 1 according to the access-in resource demand information, and with reference to the via node institute it is right The backhaul resources demand information for the back haul link answered, determines the subframe configuration information corresponding to the via node;In step In s32 ', control device 1 provides the subframe configuration information after updating to the via node.Specifically, in step s31 ', control Control equipment 1 determines that step s3 determines that subframe is matched somebody with somebody described in the method and Fig. 4 of the subframe configuration information corresponding to the via node The method put is same or similar therefore here is omitted, and is incorporated herein by reference.In step s32 ', control is set Standby 1 by based on various communication protocols, sending the subframe configuration information or transmitting to the via node.

Correspondingly, in step s32 ', auxiliary control appliance 2 obtains the sub-frame configuration letter after the renewal that the eNB is provided Breath.Specifically, in step s32 ', auxiliary control appliance 2 with stating eNB or control device by based on various communication protocols, entering Row interaction, or the equipment that can provide the subframe configuration information after the renewal that the eNB is provided with other are interacted, and are obtained Subframe configuration information after the renewal that the eNB is provided.

In step s4 ', auxiliary control appliance 2 updates the subframe of the access link according to the subframe configuration information Configuration.Specifically, in step s4 ', auxiliary control appliance 2 is according to the subframe configuration information after acquired renewal, to access The sub-frame information of link is updated, and the subframe configuration information of whole link is updated.

It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.This Outside, it is clear that the word of " comprising " one is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in device claim is multiple Unit or device can also be realized by a unit or device by software or hardware.The first, the second grade word is used for table Show title, and be not offered as any specific order.

Claims (15)

1. a kind of method for being used to realize the resources control based on via node in the enb, wherein, this method includes following step Suddenly:
X obtains the access-in resource demand information on the access link corresponding to via node, wherein, the access-in resource demand Information includes the information corresponding with the flow information and/or quality of wireless channel information of the access link;
Y is according to the access-in resource demand information, and the backhaul resources of the back haul link with reference to corresponding to the via node are needed Information is sought, the resource corresponding to the via node is controlled, wherein, the backhaul resources demand information includes and the backhaul chain The flow information and/or the corresponding information of quality of wireless channel information on road;
Wherein, the access-in resource demand information is determined according to following at least any one:
- in the downlink, by according to current throughput and current PRB unit consumptions speed, or by using each The access link channel quality and current data transfer rates of user equipment, are carried out to the affordable handling capacity in access link Assess, so that the required throughput information of access link is obtained, to determine on the access link corresponding to via node Access-in resource demand information;
- in the uplink, by the dispatch request according to corresponding to current handling capacity and each user equipment and/or slow The required throughput information of zone state report review is rushed, to determine the access money on the access link corresponding to via node Source demand information;
- in the uplink, commented according to the handling capacity and uplink channel quality of access link for each user equipment Estimate by the PRB of demand quantity, so that the total quantity of the PRB by demand in access link is obtained, using as on relaying The access-in resource demand information of access link corresponding to node.
2. according to the method described in claim 1, wherein, the step y includes:
- according to the access-in resource demand information, and the backhaul resources of the back haul link with reference to corresponding to the via node are needed Information is sought, the subframe configuration information corresponding to the via node is determined;
- provide the subframe configuration information after updating to the via node.
3. according to the method described in claim 1, wherein, the step x also includes:
- obtain the backhaul resources demand information.
4. according to the method described in claim 1, wherein, this method also includes:
- detect whether to meet the control trigger condition of the resource corresponding to the control via node;
Wherein, the step y includes:
- if the control trigger condition is met, according to the access-in resource demand information, and with reference to corresponding to the via node Back haul link backhaul resources demand information, control the resource corresponding to the via node.
5. a kind of method for being used to aid in realizing the resources control based on via node in via node, wherein, this method bag Include following steps:
A determines the access-in resource demand information on the access link corresponding to via node, wherein, the access-in resource demand Information includes the information corresponding with the flow information and/or quality of wireless channel information of the access link;
B sends the access-in resource demand information to the eNB corresponding with the via node;
Wherein, the step a includes following at least any one:
- in the downlink, by according to current throughput and current PRB unit consumptions speed, or by using each The access link channel quality and current data transfer rates of user equipment, are carried out to the affordable handling capacity in access link Assess, so that the required throughput information of access link is obtained, to determine on the access link corresponding to via node Access-in resource demand information;
- in the uplink, by the dispatch request according to corresponding to current handling capacity and each user equipment and/or slow The required throughput information of zone state report review is rushed, to determine the access money on the access link corresponding to via node Source demand information;
- in the uplink, commented according to the handling capacity and uplink channel quality of access link for each user equipment Estimate by the PRB of demand quantity, so that the total quantity of the PRB by demand in access link is obtained, using as on relaying The access-in resource demand information of access link corresponding to node.
6. method according to claim 5, wherein, this method also includes:
- obtain the subframe configuration information after the renewal that the eNB is provided;
- according to the subframe configuration information, update the sub-frame configuration of the access link.
7. method according to claim 5, wherein, the step a also includes:
- the backhaul resources demand information of back haul link corresponding to the via node is determined, wherein, the backhaul resources demand Information includes the information corresponding with the flow information and/or quality of wireless channel information of the back haul link;
Wherein, the step b also includes:
- send the backhaul resources demand information to the eNB.
8. a kind of control device for being used to realize the resources control based on via node in the enb, wherein, the equipment includes:
Acquisition device, for obtaining the access-in resource demand information on the access link corresponding to via node, wherein, it is described Access-in resource demand information includes the letter corresponding with the flow information and/or quality of wireless channel information of the access link Breath;
Control device, for according to the access-in resource demand information, and the back haul link with reference to corresponding to the via node Backhaul resources demand information, control the resource corresponding to the via node, wherein, the backhaul resources demand information includes The information corresponding with the flow information and/or quality of wireless channel information of the back haul link;
Wherein, the access-in resource demand information is determined according to following at least any one:
- in the downlink, by according to current throughput and current PRB unit consumptions speed, or by using each The access link channel quality and current data transfer rates of user equipment, are carried out to the affordable handling capacity in access link Assess, so that the required throughput information of access link is obtained, to determine on the access link corresponding to via node Access-in resource demand information;
- in the uplink, by the dispatch request according to corresponding to current handling capacity and each user equipment and/or slow The required throughput information of zone state report review is rushed, to determine the access money on the access link corresponding to via node Source demand information;
- in the uplink, commented according to the handling capacity and uplink channel quality of access link for each user equipment Estimate by the PRB of demand quantity, so that the total quantity of the PRB by demand in access link is obtained, using as on relaying The access-in resource demand information of access link corresponding to node.
9. control device according to claim 8, wherein, the control device is used for:
- according to the access-in resource demand information, and the backhaul resources of the back haul link with reference to corresponding to the via node are needed Information is sought, the subframe configuration information corresponding to the via node is determined;
- provide the subframe configuration information after updating to the via node.
10. control device according to claim 8, wherein, the equipment also includes:
Detection means, for detecting whether meeting the control trigger condition of the resource corresponding to the control via node;
Wherein, the control device is used for:
- if the control trigger condition is met, according to the access-in resource demand information, and with reference to corresponding to the via node Back haul link backhaul resources demand information, control the resource corresponding to the via node.
11. a kind of auxiliary control appliance for being used to aid in realizing the resources control based on via node in via node, wherein, The auxiliary control appliance includes:
Determining device, for determining the access-in resource demand information on the access link corresponding to via node, wherein, it is described Access-in resource demand information includes the letter corresponding with the flow information and/or quality of wireless channel information of the access link Breath;
Dispensing device, for the access-in resource demand information to be sent to the eNB corresponding with the via node;
Wherein, the determining device is used for following at least any one:
- in the downlink, by according to current throughput and current PRB unit consumptions speed, or by using each The access link channel quality and current data transfer rates of user equipment, are carried out to the affordable handling capacity in access link Assess, so that the required throughput information of access link is obtained, to determine on the access link corresponding to via node Access-in resource demand information;
- in the uplink, by the dispatch request according to corresponding to current handling capacity and each user equipment and/or slow The required throughput information of zone state report review is rushed, to determine the access money on the access link corresponding to via node Source demand information;
- in the uplink, commented according to the handling capacity and uplink channel quality of access link for each user equipment Estimate by the PRB of demand quantity, so that the total quantity of the PRB by demand in access link is obtained, using as on relaying The access-in resource demand information of access link corresponding to node.
12. auxiliary control appliance according to claim 11, wherein, the equipment also includes:
Acquisition device is aided in, for obtaining the subframe configuration information after the renewal that the eNB is provided;
Updating device is aided in, for according to the subframe configuration information, updating the sub-frame configuration of the access link.
13. a kind of eNB for being used to realize the resources control based on via node, including such as any one of claim 8 to 10 institute The control device stated.
14. a kind of via node for being used to aid in realizing the resources control based on via node, including such as claim 11 or 12 Described in auxiliary control appliance.
15. a kind of system for being used to realize the resources control based on via node, including such as any one of claim 8 to 10 institute The control device stated and the auxiliary control appliance as described in claim 11 or 12.
CN201210437126.6A 2012-11-05 2012-11-05 A kind of method and apparatus for being used to realize the resources control based on via node CN103813388B (en)

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Publication number Priority date Publication date Assignee Title
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US9184511B2 (en) * 2009-07-10 2015-11-10 Futurewei Technologies, Inc. System and method for downlink channel sounding in wireless communications systems
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Publication number Priority date Publication date Assignee Title
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