CN104272831A - Method for allocating communication resources, base station and user equipment - Google Patents
Method for allocating communication resources, base station and user equipment Download PDFInfo
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- CN104272831A CN104272831A CN201380023211.0A CN201380023211A CN104272831A CN 104272831 A CN104272831 A CN 104272831A CN 201380023211 A CN201380023211 A CN 201380023211A CN 104272831 A CN104272831 A CN 104272831A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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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
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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Abstract
The embodiments of the present invention disclose a method for allocating communication resources, a base station and a user equipment, which relate to the technical field of communications. The method includes: a first base station sending configuration information to a user equipment (UE), so that the UE sends data to the first base station using uplink resources according to the configuration information, and the configuration information being used for indicating that a specific uplink resource is reserved in the uplink resources; and the first base station sending communication information to a second base station over the specific uplink resource. The present invention is suitable for the transmission of communication information among a plurality of base stations.
Description
Distribution method, base station and the user equipment technical field of the communication resource
The present invention relates to communication technical field, more particularly to a kind of distribution method of the communication resource, base station and user equipment.Background technology
In cellular mobile communication scene, we will be multipleeNB (evolution Node B, base station）Between communication link be referred to as Backhaul (back haul links）, the communication information is transmitted between this multiple base station by Backhaul.Backhaul network quality directly affects the quality for the Network that operator provides the user.With the bandwidth pressure for being stepped up bringing with data business development of operation cost pressure, the optimization of Backhaul transmission turns into the hot issue that operator pays close attention to the most.
It is divided into two kinds of wire link and Radio Link in existing Backhaul links, wire link passes through the construction of line between multiple base stations such as optical fiber or cable, in view of line cost and Specific construction difficulty problem, such circuit can be set up between not all base station, therefore, wired Backhaul is not applicable generally；Between usual base station communicated using wireless Backhaul, for example, passing through PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel in downlink resource）The communication information between base station is carried, the information exchange between base station is realized.
At least there are the following problems in the prior art：When being communicated between base station by wireless Backhaul, the communication information is carried using descending PDSCH, now, the subframe for carrying the communication information will be unable to be sent to UE (User Equipment, user equipment for carrying base station）Downlink data, have impact on the normal data communication of user, reduce Consumer's Experience.The content of the invention
A kind of distribution method of the communication resource, base station and user equipment are provided, when can be communicated between base station using wireless Backhaul, the influence to user's proper communication is reduced, improves Consumer's Experience.
First aspect there is provided a kind of distribution method of the communication resource, including：
First base station is to user equipment (UE) send configuration information, and to cause the UE to send data to the first base station using ascending resource according to the configuration information, the configuration information is used to indicate to reserve specified upstream resource in ascending resource；
The first base station sends the communication information in the specified upstream resource to second base station.In the first possible implementation, in the first base station to after user equipment (UE) send configuration information, methods described also includes：
The first base station sends scheduling to the UE and indicated, to cause the UE to be indicated to send data to the first base station using the ascending resource comprising the specified upstream resource according to the scheduling or send data to the first base station using the orthogonal frequency division multiplex OFDM symbol or the ascending resource in addition to SC-FDMA symbols where except the specified upstream resource.
In second of possible implementation, before the first base station sends the communication information to second base station, methods described also includes：
The first base station sends the configuration information to second base station, to receive the communication information that the first base station is sent on second base station.
With reference to first aspect or second of possible implementation of first aspect, in the third possible implementation, the first base station includes to the UE send configurations information：
The first base station carries the configuration information by proprietary radio resource control RRC signaling or the RRC signaling of broadcast, and the configuration information is sent into the UE.
With reference to first aspect, the third possible implementation of second possible implementation or first aspect of first aspect, in the 4th kind of possible implementation, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.Wherein, the specified upstream resource
Second aspect there is provided a kind of distribution method of the communication resource, including：
User equipment (UE) receives the configuration information that first base station is sent, and the configuration information is used to indicate to reserve specified upstream resource in ascending resource, and the specified upstream resource is used to transmit the communication information between the first base station and the second base station；
The UE sends data using ascending resource according to the configuration information to the first base station.
In the first possible implementation, the UE sends data using ascending resource according to the configuration information to the first base station to be included：
The UE sends data using the ascending resource in addition to orthogonal frequency division multiplex OFDM symbol or SC-FDMA symbols where the specified upstream resource to the first base station.
In second of possible implementation, before the UE sends data using ascending resource according to the configuration information to the first base station, methods described also includes：The UE receives the scheduling instruction that the first base station is sent.
Further, the UE sends data to the first base station using ascending resource according to the configuration information and included：The UE indicates to send data to the first base station using the ascending resource beyond ascending resource person's SC-FDMA symbols comprising the specified upstream resource according to the scheduling.
With reference to second of possible implementation of the first possible implementation or second aspect of second aspect, second aspect, in the third possible implementation, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.Optionally, wherein, it is described specific
The third aspect there is provided a kind of base station, including：
Transmitting element, for user equipment (UE) send configuration information, to cause the UE to send data to the base station using ascending resource according to the configuration information, the configuration information to be used to indicate to reserve specified upstream resource in ascending resource；And for being sent out in the specified upstream resource to second base station
Send the communication information.
In the first possible implementation, in the transmitting element to after user equipment (UE) send configuration information, the transmitting element is additionally operable to：
Scheduling is sent to the UE to indicate, to cause the UE to be indicated to send data or using except the specified upstream station resource sends data to the base station using the ascending resource comprising the specified upstream resource according to the scheduling.
In second of possible implementation, before the transmitting element sends the communication information to second base station, the transmitting element is additionally operable to：
The configuration information is sent to second base station, to cause the communication information that second base station is sent according to the configuration station.
With reference to the third aspect or second of possible implementation of the third aspect, in the third possible implementation, the transmitting element specifically for：
The configuration information is carried by proprietary radio resource control RRC signaling or the RRC signaling of broadcast, the configuration information is sent to the UE.
With reference to the third aspect, the third possible implementation of second possible implementation or the third aspect of the third aspect, in the 4th kind of possible implementation, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.Wherein, the specified upstream resource is located in detection reference signal SRS resource.Fourth aspect there is provided a kind of user equipment, including：
Receiving unit, the configuration information for receiving first base station transmission, the configuration information is used to indicate the reserved specified upstream resource in ascending resource, and the specified upstream resource is used to transmit the communication information between the first base station and the second base station；
Transmitting element, the configuration information for being received according to the receiving unit uses ascending resource to send data to the first base station.
In the first possible implementation, the transmitting element specifically for：Using except described specific to first base station transmission data.
In second of possible implementation, before the transmitting element sends data using ascending resource according to the configuration information to the first base station, the receiving unit is additionally operable to：
Receive the scheduling instruction that the first base station is sent.
Further, the transmitting element is additionally operable to：Indicate to send data to the first base station using the ascending resource comprising the specified upstream resource or use according to the scheduling to remove the specified upstream resource evidence.
With reference to second of possible implementation of the first possible implementation or fourth aspect of fourth aspect, fourth aspect, in the third possible implementation, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.Wherein, the specified upstream resource is located in detection reference signal SRS resource.There is provided a kind of base station in terms of 5th, including：
Transmitter, for user equipment (UE) send configuration information, to cause the UE to send data to the base station using ascending resource according to the configuration information, the configuration information to be used to indicate to reserve specified upstream resource in ascending resource；And for sending the communication information to second base station in the specified upstream resource.
In the first possible implementation, in the transmitter to after user equipment (UE) send configuration information, the transmitter is additionally operable to：
Scheduling is sent to the UE to indicate, to cause the UE to be indicated using comprising described according to the scheduling
The ascending resource of specified upstream resource sends data or using except the specified upstream station resource sends data to the base station.
In second of possible implementation, before the transmitter sends the communication information to second base station, the transmitter is additionally operable to：
The configuration information is sent to second base station, to cause the communication information that second base station is sent according to the configuration station.
With reference to the 5th aspect or the 5th aspect second of possible implementation, in the third possible implementation, the transmitter specifically for：
The configuration information is carried by proprietary radio resource control RRC signaling or the RRC signaling of broadcast, the configuration information is sent to the UE.
With reference to the third possible implementation of the 5th aspect, second of possible implementation of the 5th aspect or the 5th aspect, in the 4th kind of possible implementation, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.Wherein, the specified upstream resource is located in detection reference signal SRS resource.There is provided a kind of user equipment in terms of 6th, including：
Receiver, the configuration information for receiving first base station transmission, the configuration information is used to indicate the reserved specified upstream resource in ascending resource, and the specified upstream resource is used to transmit the communication information between the first base station and the second base station；
Transmitter, the configuration information for being received according to the receiver uses ascending resource to send data to the first base station.
In the first possible implementation, the transmitter specifically for：Using the ascending resource in addition to orthogonal frequency division multiplex OFDM symbol or SC-FDMA symbols where the specified upstream resource to
The first base station sends data.
In second of possible implementation, before the transmitter sends data using ascending resource according to the configuration information to the first base station, the receiver is additionally operable to：
Receive the scheduling instruction that the first base station is sent.
Further, the transmitter is additionally operable to：Indicate to send data to the first base station using the ascending resource comprising the specified upstream resource or use according to the scheduling to remove specified upstream resource institute evidence.
With reference to second of possible implementation of the 6th aspect, the first possible implementation of the 6th aspect or the 6th aspect, in the third possible implementation, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.Wherein, the specified upstream resource is located in detection reference signal SRS resource.
Compared with prior art, this part ascending resource is used to transmit the communication information between base station by the embodiment of the present invention by reserving a part of ascending resource；The configuration information of reserved specified upstream resource is sent to user equipment (UE) by first base station;UE sends data using suitable ascending resource according to configuration information to first base station；First base station after receiving the data, sends the communication information to the second base station using the specified upstream resource reserved in ascending resource, completes the information exchange with the second base station；Indicated in addition, first base station can send scheduling to UE, it is dynamic to indicate that UE uses reserved specified upstream resource.This method is used as Backhaul using ascending resource, reserving a part of ascending resource is used to transmit the communication information between base station, the data transfer between UE and first base station can either be ensured, can also make the transmission that the communication information is carried out between first base station and the second base station；Reserved specified upstream resource is used as data or SRS transmission when needing more ascending resources to carry out data or SRS transmission, when the ascending resource that data transfer takes is less, can distribute more ascending resources is used to transmit the communication information between base station.Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, cylinder will be made to the required accompanying drawing used in embodiment or description of the prior art below singly to introduce, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram that the embodiment of the present invention one is provided；
Fig. 2 is the method flow diagram that the embodiment of the present invention two is provided；
Fig. 3 is the method flow diagram that the embodiment of the present invention three is provided；
Fig. 4 is the architecture of base station schematic diagram that the embodiment of the present invention four is provided；
Fig. 5 is the user device architecture schematic diagram that the embodiment of the present invention five is provided；
Fig. 6 is the architecture of base station schematic diagram that the embodiment of the present invention six is provided；
Fig. 7 is the user device architecture schematic diagram that the embodiment of the present invention seven is provided；
Fig. 8 is that the embodiment of the present invention one provides ascending resource reserved schematic diagram；
Fig. 9 is that the SRS resource that the embodiment of the present invention three is provided reserves schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
To make the advantage of technical solution of the present invention clearer, the present invention is elaborated with reference to the accompanying drawings and examples.
Embodiment one
The present embodiment provides a kind of distribution method of the communication resource, as shown in figure 1, methods described includes：101st, first base station is to user equipment (UE) send configuration information, to cause the UE to send data or information to the first base station using ascending resource according to the configuration information.
Wherein, the configuration information is used to indicate to reserve specified upstream resource in ascending resource, and reserved specified upstream resource can be used for transmitting the communication information between the first base station and the second base station.Typically
, the communication between first base station and the second base station can use some or all of reserved specified upstream resource, or can be without using reserved specified upstream resource in some subframe.It should be noted that, although reserved specific resources can be used for transmitting the communication between first base station and the second base station, but for user equipment, and the actual use of reserved specific resource is required no knowledge about, or require no knowledge about whether genuine some or all of ascending resource is used to transmit the communication between first base station and the second base station.For example, as shown in figure 8, each subframe of ascending resource is by middle PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel in figure）And PUCCH (the Physical Uplink Control Channel, Physical Uplink Control Channel of upper and lower ends）Composition, PUSCH is used to carry upstream data.Wherein, dash area is reserved specified upstream resource.Specifically, specified upstream resource can be one or more of subframe OFDM symbol (or SC-FDMA symbols）, the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.Assuming that the resource that PUCCH takes can not again be taken by other channels, then in this example, available bandwidth refers to the bandwidth in addition to the resource that PUCCH takes.For example, a part of of the resource that PUSCH channels can be used can be used as reserved specified upstream resource.
Optionally, the specified upstream resource is located in SRS (Sounding Reference Signal, detection reference signal) resource in ascending resource.
It is preferred that, the frequency domain resource for allowing specified upstream resource occupation wider as far as possible takes narrower time-domain resource.UE can avoid specified upstream resource when sending data, and data are mapped on the ascending resource beyond specified upstream resource.Assuming that base station can not be supported while being received and being launched on the same carrier, therefore when base station receives the signal of user equipment transmitting, another base station cannot be transmitted signals to simultaneously, even if using different frequency resources（For example, different wireless resource blocks (Resource Block or Resource Block pair)) transmission signal, it can not launch simultaneously.Therefore, in the present invention, transmission signal is reserved.Therefore, for redaction user equipment, in order to avoid influencing too much, the present invention is inclined to use as far as possible few temporal resource, but the resource relatively in many frequency is used as reserved specific resources.Certainly, for existing version（Or legacy version, legacy) agreement user equipment, if with
It is orthogonal on the ascending resource of family equipment transmission signal occupancy and reserved specified upstream resource frequency, then big interference will not be caused to inter base station communication, is acceptable.Optionally, can be in the OFDM symbol outside the OFDM symbol (or SC-FDMA symbols) where reserved resource when the upward signal of this user is received in base station（Or SC-FDMA symbols）It is upper to receive a part of OFDM symbol（Or SC-FDMA symbols）On data.Advantage of this is that, although for the user equipment of legacy version agreement, performance has certain loss, but simply scheduler is added and a little limited, the resource time-frequency that ensure the resource of legacy version user and reserve is orthogonal, proper communication without the user equipment to legacy version agreement causes too much influence, for example, can not be dispatched in whole subframe.Therefore, not all as reserved specific resources if reserving a part of frequency resource on PUSCH, influence that can be to legacy version protocols User equipment is fewer.
Further, in the first base station to after user equipment (UE) send configuration information, methods described also includes：The first base station sends scheduling instruction to the UE, to cause ascending resources of the UE in addition to the orthogonal frequency division multiplex OFDM symbol (or SC-FDMA symbols) dispatched where indicating to be sent data to the first base station using the ascending resource comprising the specified upstream resource or used except the specified upstream resource to first base station transmission data.Namely in the control channel for indicating ascending resource distribution, for example, carry upstream allocation information（UL Grant) PDCCH in, can have information indicate specific ascending resource whether be used for this PUSCH channels transmitting.And the information of specific ascending resource, the running time-frequency resource of such as occupancy can be notified to user as reserved resource in high-level signaling in advance, but using still without using this resource in PUSCH, can also further be indicated by descending control channel, for example by bit status information indicate using or without using.
102nd, first base station sends the communication information in the specified upstream resource to second base station.Further, before the first base station sends the communication information to second base station, methods described also includes：The first base station sends the configuration information to second base station, to cause OFDM symbol of second base station according to where the configuration information in the specified upstream resource（Or SC-FDMA symbols) on receive the communication information that the first base station is sent.
Specifically, the first base station includes to the UE send configurations information：
The first base station passes through proprietary RRC (Radio Resource Control, wireless heterogeneous networks）Signaling or the RRC signaling of broadcast carry the configuration information, and the configuration information is sent into the UE.
Compared with prior art, this part ascending resource is used to transmit the communication information between base station by the embodiment of the present invention by reserving a part of ascending resource；The configuration information of reserved specified upstream resource is sent to user equipment (UE) by first base station;If reserved specific ascending resource is located at the latter one or several OFDM symbols of a subframe（Or SC-FDMA symbols）, then first base station several symbols can be received before subframe after the data of UE transmissions, use the specified upstream resource reserved in ascending resource to send the communication information to the second base station on several symbols later, complete and the information exchange of the second base station；Indicated in addition, first base station can send scheduling to UE, dynamically indicate that UE uses reserved specified upstream resource.This method is used as Backhaul using ascending resource, reserving a part of ascending resource is used to transmit the communication information between base station, the data transfer between UE and first base station can either be ensured, can also make the transmission that the communication information is carried out between first base station and the second base station.When the more specified upstream resources of needs are used for the data transfer between base station, can reserve more specified upstream resources is used to transmit the communication information between base station；When reserved specific ascending resource need not be used to transmit the communication information between base station, relatively rapid user equipment can be released to, for transmitting the communication data between user equipment and base station.Similar, reserved specified upstream resource is used as data transfer when needing more ascending resources to carry out data transmission, when the ascending resource that data transfer takes is less, more reserved ascending resource can be used to be used to transmit the communication information between base station.Embodiment two
The present embodiment provides a kind of distribution method of the communication resource, as shown in Fig. 2 methods described includes：201st, user equipment (UE) receives the configuration information that first base station is sent.
Wherein, the configuration information is used to indicate to reserve specified upstream resource in ascending resource, and the specified upstream resource is used to transmit the communication information between the first base station and the second base station.
202nd, UE sends data using ascending resource according to the configuration information to the first base station.
Specifically, the UE sends number using ascending resource according to the configuration information to the first base station
According to including：The UE sends data using the ascending resource in addition to the orthogonal frequency division multiplex OFDM symbol (or SC-FDMA symbols) where the specified upstream resource to the first base station.
Optionally, before the UE sends data using ascending resource according to the configuration information to the first base station, methods described also includes：The UE receives the scheduling instruction that the first base station is sent.
Further, the UE sends data to the first base station using ascending resource according to the configuration information and included：The UE according to it is described scheduling indicate use the ascending resource person SC-FDMA symbols comprising the specified upstream resource) beyond ascending resource to the first base station send data.
Wherein, the specified upstream resource is one or more of ascending resource subframe OFDM symbol (or SC-FDMA symbols), and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.Optionally, the specified upstream resource is located in detection reference signal SRS resource, if at this moment user equipment is using reserved specific resources, transmission can be SRS information.
Compared with prior art, this part ascending resource is used to transmit the communication information between base station by the embodiment of the present invention by reserving a part of ascending resource；User equipment (UE) receives the configuration information for the reserved specified upstream resource that first base station is sent；UE sends data or SRS using suitable ascending resource according to configuration information to first base station, to cause first base station, the specified upstream resource reserved in ascending resource can be used to send the communication information to the second base station, the information exchange with the second base station is completed；In addition, UE receives the scheduling instruction that first base station is sent, can be dynamically using reserved specified upstream resource.This method is used as Backhaul using ascending resource, reserving a part of ascending resource is used to transmit the communication information between base station, the data transfer between UE and first base station can either be ensured, can also make the transmission that the communication information is carried out between first base station and the second base station；When the more specified upstream resources of needs are used for the data transfer between base station, can reserve more specified upstream resources is used to transmit the communication information between base station；When reserved specific ascending resource need not be used to transmit the communication information between base station, relatively rapid user equipment can be released to, for transmitting the communication data between user equipment and base station.Similar, reserved specified upstream resource is used as data transfer when needing more ascending resources to carry out data transmission, when the ascending resource that data transfer takes is less, more reserved ascending resource can be used to use
The communication information between transmission base station(Embodiment three
The present embodiment provides a kind of distribution method of the communication resource, the detection reference signal SRS resource of reserved part or whole is used as coordinating channel in ascending resource, coordinating channel is used to transmit the transmission base station and receives the communication information between base station, it is described it is some or all of can be some or all of in some subframe, include sending base station, reception base station and user equipment (UE) in the communication system of the present embodiment, UE is by sending base station control, as shown in figure 3, methods described includes：
301st, send base station and determine that the SRS resource of reserved part or whole is used as coordinating channel.
For example, base station is sent according to the data interaction amount between UE or reception base station, determine the size of SRS resource reserved, when sending that the data interaction between base station and UE is more and to send base station less with the information interaction that receives base station, less SRS resource will be reserved to be used as coordinating channel, more SRS resources are used to send the data transfer between base station and UE；When sending that the data interaction between base station and UE is less and to send base station more with the information interaction that receives base station, more SRS resource will be reserved to be used as coordinating channel, more detection resources are used to send base station and the information transfer between base station is received, as shown in Figure 9, reserved SRS resource is the dash area in figure, and SRS, which is located in subframe on last domain, takes part available bandwidth or the whole available bandwidths of occupancy.Some or all of SRS resources noted earlier can refer to some or all of SRS resource in some subframe.
302nd, the configuration information that base station sends reserved SRS resource to UE is sent.
For example, send base station carries the configuration information by proprietary RRC signaling or the RRC signaling of broadcast.
303rd, UE carries out SRS mappings in the detection resource beyond reserved SRS resource, and sends SRS to base station is sent.
Wherein, UE avoids backup land resource and carries out SRS data mappings, and base station can use reserved resource to send the communication information to base station is received, for example, sending some coordination informations.
It should be noted that SRS resource is divided into periodicity and aperiodicity, when SRS resource is periodic SRS resource, UE needs to avoid reserved resource, it is impossible to send data wherein；When SRS resource is acyclic SRS resource, sending base station further can indicate that UE is really reserved resource in the SRS resource of some subframe or can launch SRS's with PDCCH, so that UE can dynamically avoid reserved resource and send information, for example, send SRS information.
304th, base station is sent to the configuration information for receiving the reserved SRS resource of base station transmission.
Wherein, the purpose of this step is that acquisition sends the communication information that base station is sent in order that receiving base station is able to know which SRS resource is used as coordinating channel, and then the coordination channel in SRS resource is monitored.This step is performed after step 301 and before 306, does not have strict sequencing with other steps.
305th, send base station and the data that UE is sent are received on the ascending resource coordinated outside channel.
306th, OFDM symbol (or SC-FDMA symbol of the base station where channel is coordinated is sent）On to receive base station send the communication information.
Wherein, 305,306 do not have sequencing, namely base station receives the information that user sends, another base station is sent information to base station, in addition to the limitation of priority caused by time-frequency resource allocating, both do not have the limitation of other temporal orders.
It should be noted that, the SRS resource in ascending resource is used in the present embodiment as the resource for coordinating channel, support the UE of existing version uplink communication, the renewal of change and UE versions in view of future communications agreement, the method that the present embodiment is provided can more preferably support the UE of lowest version, solve the backward compatibility issues of system.Particularly, in the configuration of the existing SRS resource that there is the cell specific cycle in systems, the UE of present version can obtain the configuration of the SRS resource in cell specific cycle, in these resources, user equipment will not transmit PUSCH channels, so that the transmitting uplink data to present version or the user equipment of legacy version agreement is not interfered with.Present system, can reserve the specific SRS resource of a part of cell, this part resource, the resource allocation for the communication channel that can be used between base station.Or present system, the specific SRS resource of user can be configured to some user, using the dynamic instruction in down control channel, be used for launching SRS still as reserved to indicate whether the SRS in some subframe really distributes to user
Therefore resource, reserves SRS resource as the resource of the communication channel between base station, with the benefit compatible to present or legacy version user equipment.More generally, if the ascending resource that the running time-frequency resource of reserved resource occupation can take as one or more SRS, also just there is this benefit.That is, the pattern of reserved ascending resource is identical with the distribution of one or more SRS running time-frequency resource.
Compared with prior art, the embodiment of the present invention defines part SRS resources and is used as coordinating channel, the coordination channel is used to transmit the communication information between base station by being reserved to SRS resource；Send base station and the configuration information of reserved SRS resource is sent to user equipment (UE), to cause UE to send data to base station is sent using suitable ascending resource according to configuration information；Base station is sent using channel is coordinated to the base station transmission communication information is received, the information exchange with receiving base station is completed；Message is indicated in addition, sending base station and can be sent to UE, it is dynamic to indicate that UE sends SRS information using SRS resource.This method, as Backhaul, to the statistical multiplex of SRS resource, can either be ensured UE and send the data transfer between base station using ascending resource, can also be made transmission base station and be received the transmission of the progress communication information between base station；When needing more ascending resources to carry out data or SRS transmission, the SRS resource for coordinating channel can will be kept for be used as data or SRS transmission, when the ascending resource that SRS or data transfer take is less, more SRS resources can be distributed as channel is coordinated, the demand communicated between base station is met.Example IV
The present embodiment provides a kind of base station 40, as shown in figure 4, the base station 40 includes：
Transmitting element 41, for user equipment (UE) send configuration information, to cause the UE to send data to the base station 40 using ascending resource according to the configuration information, the configuration information to be used to indicate to reserve specified upstream resource in ascending resource；And for sending the communication information to second base station in the specified upstream resource.
Further, in the transmitting element 41 to after user equipment (UE) send configuration information, the transmitting element 41 is additionally operable to：
Scheduling is sent to the UE to indicate, to cause the UE to be indicated to send data or using except the specified upstream is provided to the base station 40 using the ascending resource comprising the specified upstream resource according to the scheduling
The ascending resource beyond orthogonal frequency division multiplex OFDM symbol or SC-FDMA symbols where source sends data to the base station 40.
Further, before the transmitting element 41 sends the communication information to second base station, the transmitting element 41 is additionally operable to：The configuration information is sent to second base station, to cause the base No. second is upper to receive the communication information that the base station 40 is sent.
Wherein, the transmitting element 41 specifically for：The configuration information is carried by proprietary radio resource control RRC signaling or the RRC signaling of broadcast, the configuration information is sent to the UE.
Wherein, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.
Wherein, the specified upstream resource is located in detection reference signal SRS resource.
Compared with prior art, this part ascending resource is used to transmit the communication information between base station by the embodiment of the present invention by reserving a part of ascending resource；The configuration information of reserved specified upstream resource is sent to user equipment (UE) by base station 40;Base station 40 sends the communication information using the specified upstream resource reserved in ascending resource to the second base station, completes the information exchange with the second base station；Indicated in addition, base station 40 can send scheduling to UE, it is dynamic to indicate that UE uses reserved specified upstream resource.This method is used as Backhaul using ascending resource, reserving a part of ascending resource is used to transmit the communication information between base station, the data transfer between UE and base station 40 can either be ensured, can also make the transmission of the progress communication information between the base station of base station 40 and second；When needing more ascending resources to carry out data transmission, reserved specified upstream resource more can be used as data transfer, when the ascending resource that data transfer takes between base station and user is less, can distribute more ascending resources is used to transmit the communication information between base station.Embodiment five
The present embodiment provides a kind of user equipment 50, as shown in figure 5, the user equipment 50 includes：Receiving unit 51, the configuration information for receiving first base station transmission, the configuration information is used to refer to
Show and specified upstream resource is reserved in ascending resource, the specified upstream resource is used to transmit the communication information between the first base station and the second base station；
Transmitting element 52, the configuration information for being received according to the receiving unit 51 uses ascending resource to send data to the first base station.
Wherein, the transmitting element 52 specifically for：Using except the orthogonal data where the specified upstream resource.
Optionally, before the transmitting element 52 sends data using ascending resource according to the configuration information to the first base station, the receiving unit 51 is additionally operable to：
Receive the scheduling instruction that the first base station is sent.
Further, the transmitting element 51 is additionally operable to：Indicated to send data or using except the specified upstream provides data to the first base station using the ascending resource comprising the specified upstream resource according to the scheduling.
Wherein, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.
Wherein, the specified upstream resource is located in detection reference signal SRS resource.
Compared with prior art, this part ascending resource is used to transmit the communication information between base station by the embodiment of the present invention by reserving a part of ascending resource；User equipment (UE) 50 receives the configuration information for the reserved specified upstream resource that first base station is sent；UE50 sends data using suitable ascending resource according to configuration information to first base station, to cause first base station after receiving the data, the communication information is sent to the second base station using the specified upstream resource reserved in ascending resource, the information exchange with the second base station is completed；In addition, UE50 receives the scheduling instruction that first base station is sent, can be dynamically using reserved specified upstream resource.This method is using ascending resource as Backhaul, and reserving a part of ascending resource is used to transmit the communication information between base station, can either ensure the data transfer between UE50 and first base station, can also make first base station
And second transmission for carrying out the communication information between base station；Reserved specified upstream resource is used as data transfer when needing more ascending resources to carry out data transmission, when the ascending resource that data transfer takes is less, can reserve more ascending resources is used to transmit the communication information between base station.Embodiment six
The present embodiment provides a kind of base station 60, as shown in fig. 6, the base station 60 includes：
Transmitter 61, for to user equipment (UE) send configuration information, to cause the UE to send data to the base station 60 using ascending resource according to the configuration information, the configuration information is used to indicate the reserved specified upstream resource in ascending resource, and the specified upstream resource is used to transmit the communication information between the base station of base station 60 and second；And for sending the communication information to second base station in the specified upstream resource.
Further, in the transmitter 61 to after user equipment (UE) send configuration information, the transmitter 61 is additionally operable to：
Scheduling is sent to the UE to indicate, to cause the UE to be indicated to send data to the base station 60 using the ascending resource comprising the specified upstream resource according to the scheduling or send data to the base station 60 using the orthogonal frequency division multiplex OFDM symbol or the ascending resource in addition to SC-FDMA symbols where except the specified upstream resource.
Further, before the transmitter 61 sends the communication information to second base station, the transmitter 61 is additionally operable to：The configuration information is sent to second base station, to cause second base station piece-root grafting to receive the communication information that the base station 60 is sent.
Wherein, the transmitter 61 specifically for：The configuration information is carried by proprietary radio resource control RRC signaling or the RRC signaling of broadcast, the configuration information is sent to the UE.
Wherein, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.
Wherein, the specified upstream resource is located in detection reference signal SRS resource.
Compared with prior art, this part ascending resource is used to transmit the communication information between base station by the embodiment of the present invention by reserving a part of ascending resource；The configuration information of reserved specified upstream resource is sent to user equipment (UE) by base station 60;Base station 60 sends the communication information using the specified upstream resource reserved in ascending resource to the second base station, completes the information exchange with the second base station；Indicated in addition, base station 60 can send scheduling to UE, it is dynamic to indicate that UE uses reserved specified upstream resource.This method is used as Backhaul using ascending resource, reserving a part of ascending resource is used to transmit the communication information between base station, the data transfer between UE and base station 60 can either be ensured, can also make the transmission of the progress communication information between the base station of base station 60 and second；Reserved specified upstream resource is used as data transfer when needing more ascending resources to carry out data transmission, when the ascending resource that data transfer takes is less, more ascending resource, which can be reserved, to be used to transmit the communication information between base station, improves the communication quality of user.Embodiment seven
The present embodiment provides a kind of user equipment 70, as shown in fig. 7, the user equipment 70 includes：Receiver 71, the configuration information for receiving first base station transmission, the configuration information is used to indicate the reserved specified upstream resource in ascending resource, and the specified upstream resource is used to transmit the communication information between the first base station and the second base station；
Transmitter 72, the configuration information for being received according to the receiver 71 uses ascending resource to send data to the first base station.
Wherein, the transmitter 72 specifically for：Using except the orthogonal frequency evidence where the specified upstream resource.
Optionally, before the transmitter 72 sends data using ascending resource according to the configuration information to the first base station, the receiver 71 is additionally operable to：
Receive the scheduling instruction that the first base station is sent.
Further, the transmitter 71 is additionally operable to：Indicated according to the scheduling using comprising described specific
The ascending resource of ascending resource sends data or using except the specified upstream resource evidence to the first base station.
Wherein, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.
Wherein, the specified upstream resource is located in detection reference signal SRS resource.
Compared with prior art, this part ascending resource is used to transmit the communication information between base station by the embodiment of the present invention by reserving a part of ascending resource；User equipment (UE) 70 receives the configuration information for the reserved specified upstream resource that first base station is sent；UE70 sends data using suitable ascending resource according to configuration information to first base station, to cause first base station after receiving the data, the communication information is sent to the second base station using the specified upstream resource reserved in ascending resource, the information exchange with the second base station is completed；In addition, UE70 receives the scheduling instruction that first base station is sent, can be dynamically using reserved specified upstream resource.This method is used as Backhaul using ascending resource, reserving a part of ascending resource is used to transmit the communication information between base station, the data transfer between UE70 and first base station can either be ensured, can also make the transmission that the communication information is carried out between first base station and the second base station；Reserved specified upstream resource is used as data transfer when needing more ascending resources to carry out data transmission, when the ascending resource that data transfer takes is less, can distribute more reserved ascending resource is used to transmit the communication information between base station.Base station provided in an embodiment of the present invention and user equipment can realize the embodiment of the method for above-mentioned offer, and concrete function is realized the explanation referred in embodiment of the method, will not be repeated here.Distribution method, base station and the user equipment of the communication resource provided in an embodiment of the present invention go for the transmission of the communication information between many base stations, but are not limited only to this.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, computer program is can be by instruct the hardware of correlation to complete, described program can be stored in a computer read/write memory medium, the program is upon execution, it may include such as the implementation of above-mentioned each method
The flow of example.Wherein, described storage medium can be magnetic disc, CD, read-only memory（Read-Only Memory, ROM) or random deposit ^ ^ oneself recalls body (Random Access Memory, RAM) etc..
It is described above; only embodiment of the invention, but protection scope of the present invention is not limited thereto, any one skilled in the art the invention discloses technical scope in; the change or replacement that can be readily occurred in, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (1)
- Claims1st, a kind of distribution method of the communication resource, it is characterised in that including：First base station is to user equipment (UE) send configuration information, and to cause the UE to send data to the first base station using ascending resource according to the configuration information, the configuration information is used to indicate to reserve specified upstream resource in ascending resource；The first base station sends the communication information in the specified upstream resource to the second base station.2nd, according to the method described in claim 1, it is characterised in that in the first base station to after user equipment (UE) send configuration information, methods described also includes：The first base station sends scheduling to the UE and indicated, to cause the UE to be indicated to send data to the first base station using the ascending resource comprising the specified upstream resource according to the scheduling or send data to the first base station using the orthogonal frequency division multiplex OFDM symbol or the ascending resource in addition to single-carrier frequency division multiple access SC-FDMA symbols where except the specified upstream resource.3rd, according to the method described in claim 1, it is characterised in that before the first base station sends the communication information to second base station, methods described also includes：The first base station sends the configuration information to second base station, to cause second base station root to receive the communication information that the first base station is sent.4th, according to the method described in claim 1, it is characterised in that the first base station includes to user equipment (UE) send configuration information：The first base station carries the configuration information by proprietary radio resource control RRC signaling or the RRC signaling of broadcast, and the configuration information is sent into the UE.5th, the method according to claim any one of 1-4, it is characterized in that, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.6th, the method according to claim any one of 1-5, it is characterised in that the specified upstream resource is located in detection reference signal SRS resource. 7th, a kind of distribution method of the communication resource, it is characterised in that including：User equipment (UE) receives the configuration information that first base station is sent, and the configuration information is used to indicate to reserve specified upstream resource in ascending resource, and the specified upstream resource is used to transmit the communication information between the first base station and the second base station；The UE sends data using ascending resource according to the configuration information to the first base station.8th, method according to claim 7, it is characterised in that the UE sends data using ascending resource according to the configuration information to the first base station to be included：Ascending resource beyond ripple frequency division multiple access SC-FDMA symbols sends data to the first base station.9th, method according to claim 7, it is characterised in that before the UE sends data using ascending resource according to the configuration information to the first base station, methods described also includes：The UE receives the scheduling instruction that the first base station is sent.10th, method according to claim 9, it is characterised in that the UE sends data using ascending resource according to the configuration information to the first base station to be included：The UE indicates to send data to the ascending resource beyond the symbol to the first base station using the ascending resource comprising the specified upstream resource according to the scheduling.11st, the method according to claim any one of 7-10, it is characterized in that, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.12nd, the method according to claim any one of 7-11, it is characterised in that the specified upstream resource13rd, a kind of base station, it is characterised in that including：Transmitting element, for user equipment (UE) send configuration information, to cause the UE to send data to the base station using ascending resource according to the configuration information, the configuration information to be used to indicate in ascending resource Reserved specified upstream resource；And for sending the communication information to the second base station in the specified upstream resource.14th, base station according to claim 13, it is characterised in that in the transmitting element to after user equipment (UE) send configuration information, the transmitting element is additionally operable to：Scheduling is sent to the UE to indicate, to cause the UE to be indicated to send data to the base station using the ascending resource comprising the specified upstream resource according to the scheduling or send data to the base station using the orthogonal frequency division multiplex OFDM symbol or the ascending resource in addition to single-carrier frequency division multiple access SC-FDMA symbols where except the specified upstream resource.15th, base station according to claim 13, it is characterised in that before the transmitting element sends the communication information to second base station, the transmitting element is additionally operable to：The configuration information is sent to second base station, to cause second base station according to the communication information sent with confidence.16th, base station according to claim 13, it is characterised in that the transmitting element specifically for：The configuration information is carried by proprietary radio resource control RRC signaling or the RRC signaling of broadcast, the configuration information is sent to the UE.17th, the base station according to claim any one of 13-16, it is characterized in that, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.18th, the base station according to claim any one of 13-17, it is characterised in that the specified upstream resource is located in detection reference signal S R S resources.19th, a kind of user equipment, it is characterised in that including：Receiving unit, the configuration information for receiving first base station transmission, the configuration information is used to indicate the reserved specified upstream resource in ascending resource, and the specified upstream resource is used to transmit the communication information between the first base station and the second base station；Transmitting element, the configuration information for being received according to the receiving unit uses ascending resource to institute State first base station and send data.20th, user equipment according to claim 19, it is characterised in that the transmitting element specifically for：Using the ascending resource in addition to the orthogonal frequency division multiplex OFDM symbol where the specified upstream resource or single-carrier frequency division multiple access SC-FDMA symbols data are sent to the first base station.21st, user equipment according to claim 19, it is characterised in that before the transmitting element sends data using ascending resource according to the configuration information to the first base station, the receiving unit is additionally operable to：Receive the scheduling instruction that the first base station is sent.22nd, user equipment according to claim 21, it is characterised in that the transmitting element is additionally operable to：Indicated to send ^ to the first base station using the ascending resource comprising the specified upstream resource according to the schedulingOuter ascending resource sends data to the first base station.23rd, the user equipment according to claim any one of 19-22, it is characterized in that, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.24th, the user equipment according to claim any one of 19-23, it is characterised in that it is described it is specific on25th, a kind of base station, it is characterised in that including：Transmitter, for user equipment (UE) send configuration information, to cause the UE to send data to the base station using ascending resource according to the configuration information, the configuration information to be used to indicate to reserve specified upstream resource in ascending resource；And for sending the communication information to second base station in the specified upstream resource.Receiver, for receiving the data that the UE is sent according to the configuration information.26th, base station according to claim 25, it is characterised in that in the transmitter to after user equipment (UE) send configuration information, the transmitter is additionally operable to： Scheduling is sent to the UE to indicate, to cause the UE to be indicated to send data to the base station using the ascending resource comprising the specified upstream resource according to the scheduling or send data to the base station using the orthogonal frequency division multiplex OFDM symbol or the ascending resource in addition to single-carrier frequency division multiple access SC-FDMA symbols where except the specified upstream resource.27th, base station according to claim 25, it is characterised in that before the transmitter sends the communication information to second base station, the transmitter is additionally operable to：The configuration information is sent to second base station, to cause second base station according to the communication information sent with confidence.28th, base station according to claim 25, it is characterised in that the transmitter specifically for：The configuration information is carried by proprietary radio resource control RRC signaling or the RRC signaling of broadcast, the configuration information is sent to the UE.29th, the base station according to claim any one of 25-28, it is characterized in that, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.30th, the base station according to claim any one of 25-29, it is characterised in that the specified upstream resource is located in detection reference signal S R S resources.31st, a kind of user equipment, it is characterised in that including：Receiver, the configuration information for receiving first base station transmission, the configuration information is used to indicate the reserved specified upstream resource in ascending resource, and the specified upstream resource is used to transmit the communication information between the first base station and the second base station；Transmitter, the configuration information for being received according to the receiver uses ascending resource to send data to the first base station.32nd, user equipment according to claim 31, it is characterised in that the transmitter specifically for：Using except the orthogonal frequency division multiplex OFDM symbol or single-carrier frequency division multiple access where the specified upstream resource Ascending resource beyond SC-FDMA symbols sends data to the first base station.33rd, user equipment according to claim 31, it is characterised in that before the transmitter sends data using ascending resource according to the configuration information to the first base station, the receiver is additionally operable to：Receive the scheduling instruction that the first base station is sent.34th, user equipment according to claim 33, it is characterised in that the transmitter is additionally operable to：Indicated to use ascending resource of the ascending resource comprising the specified upstream resource to outside the first base station to send data to the first base station according to the scheduling.35th, the user equipment according to claim any one of 31-34, it is characterized in that, the specified upstream resource is one or more of ascending resource subframe OFDM symbol or SC-FDMA symbols, and the specified upstream resource takes part available bandwidth on frequency domain or takes whole available bandwidths.36th, the user equipment according to claim any one of 31-35, it is characterised in that it is described it is specific on
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2013/071399 WO2014121442A1 (en) | 2013-02-05 | 2013-02-05 | Method for allocating communication resources, base station and user equipment |
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| CN104272831A true CN104272831A (en) | 2015-01-07 |
| CN104272831B CN104272831B (en) | 2019-05-10 |
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| WO (1) | WO2014121442A1 (en) |
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| CN104272831B (en) | 2019-05-10 |
| WO2014121442A1 (en) | 2014-08-14 |
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