CN103856300B

CN103856300B - The transmission method and equipment of a kind of field feedback

Info

Publication number: CN103856300B
Application number: CN201210493864.2A
Authority: CN
Inventors: 陈文洪; 高秋彬
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2012-11-28
Filing date: 2012-11-28
Publication date: 2018-07-06
Anticipated expiration: 2032-11-28
Also published as: CN103856300A

Abstract

The invention discloses the transmission method and equipment of a kind of field feedback, this method includes：First base station determines that the first base station needs to send field feedback to the second base station；The first base station sends the first request message to second base station, and first request message is used to represent that the first base station needs to send field feedback to second base station；The first base station needs to receive the situation of field feedback according to second base station, and the corresponding field feedback in second base station is sent to second base station.In the embodiment of the present invention, it is ensured that all base stations for participating in cooperation can obtain complete and accurate field feedback, then can preferably support scheduling process of this base station to user, and can support the aperiodic CSI feedback of cooperative base station.

Description

The transmission method and equipment of a kind of field feedback

Technical field

The present invention relates to the communications field more particularly to the transmission methods and equipment of a kind of field feedback.

Background technology

CoMP（Coordinated Multipoint Transmission/Reception, multi-point cooperative transmission）Technology Refer to the cooperation between the multiple transmission point detached on geographical location.In general, multiple transmission point is the base station of different community, Or multiple RRH of same cell base station control（Remote Radio Head, remote radio）.By between multiple transmission point Cooperation transmission, can effectively reduce the interference between different transfer points, improve user（Particularly Cell Edge User）'s Handling capacity.

Downlink CoMP technologies include CS/CB（Cooperative Scheduling/Beamforming, cooperative scheduling/wave Beam figuration）And Combined Treatment（Joint processing）.Wherein：

Cooperative scheduling be by the coordination of time between transfer point, frequency and space resources, avoid or reduce it is mutual it Between interference；Since the interference of minizone is to restrict the principal element of community marginal user performance, cooperative scheduling passes through drop The interference of low minizone can improve community marginal user performance.

Combined Treatment includes dynamic transmission point and switches and combine transmission two ways.In dynamic transmission point switching mode, Base station switching at runtime sends the transfer point of signal to user, selects optimal transmission point transmission data；To realize that dynamic transmission point is cut It changes, base station needs to obtain the channel information of multiple optional cells by feedback channel or obtains optimal transmission point channel information. In joint sending method, multiple transmission point receives signal simultaneously to user's transmission data, to enhance user, it would be possible to interference letter Useful signal number is converted into, improves user SINR（Signal to Interference plus Noise Ratio, signal with Interference plus noise ratio）.

But above-mentioned CoMP technologies do not consider backhaul（Back haul link）Time delay and capacity limit, and if association With transmission carried out between different base station, then there may be compared with long time delay and capacity limit by the backhaul between base station；This When CoMP technologies（Particularly Combined Treatment）It will be difficult to carry out；In such a scenario, in order to allow users to obtain multipoint cooperative Gain, currently propose inter-eNodeB CoMP（CoMP between base station）Technology（Such as multi-flow（Multithread）Transmission side Case）.

In multi-flow transmission plans, multiple base stations is allowed concurrently and independently to dispatch a user, so as to improve use Family transmission performance and each local resource utilization rate；As shown in Figure 1, being two base stations to the multi-flow transmission sides of same user Case schematic diagram, two cells dispatch user by respective resource and configuration information, and user simultaneously believes the scheduling of two cells It ceases and transmission data are detected and respective feedback, each base station receive feedback information from the user（Each base station can only receive The corresponding feedback information in this base station or the feedback information for receiving all base stations）, after then being carried out using the feedback information of this base station Continuous scheduling.

In the implementation of the present invention, inventor has found to have at least the following problems in the prior art：

When the uplink signal-channel quality of some base station is poor, the base station may be influenced and be properly received feedback from the user Information, and then influence data dispatch and transmission of the user on the base station.

Invention content

The embodiment of the present invention provides a kind of transmission method and equipment of field feedback, to ensure all participation cooperations Base station can obtain complete and accurate field feedback.

In order to achieve the above object, the embodiment of the present invention provides a kind of transmission method of field feedback, including：

First base station determines that the first base station needs to send field feedback to the second base station；

The first base station sends the first request message to second base station, and first request message is used to represent institute Stating first base station needs to send field feedback to second base station；

The first base station needs to receive the situation of field feedback according to second base station, by second base station Corresponding field feedback is sent to second base station.

The embodiment of the present invention provides a kind of transmission method of field feedback, including：

Second base station receives the first request message from first base station, and first request message is for representing described the One base station needs to send field feedback to second base station；

Second base station receives second base from the first base station when needing to receive field feedback It stands corresponding field feedback.

First base station determines that the first base station needs to receive the field feedback from the second base station；

The first base station sends the second request message to second base station, and second request message is used to represent institute Stating first base station needs to receive the field feedback from second base station；

When allowing in second base station to first base station transmission field feedback, the first base station, which receives, to be come The corresponding field feedback of the first base station from second base station.

Second base station receives the second request message from first base station, and second request message is for representing described the One base station needs to receive the field feedback from second base station；

Second base station corresponds to the first base station when allowing to send field feedback to the first base station Field feedback be sent to the first base station.

The embodiment of the present invention provides a kind of base station equipment, and as first base station, which includes：

First determining module, for determining that first base station needs to send field feedback to the second base station；

First sending module, for sending the first request message to second base station, first request message is used for Represent that the first base station needs to send field feedback to second base station；

Second sending module, for being needed to receive the situation of field feedback according to second base station, by described the The corresponding field feedback in two base stations is sent to second base station.

The embodiment of the present invention provides a kind of base station equipment, and as the second base station, which includes：

First receiving module, for receiving the first request message from first base station, first request message is used for Represent that the first base station needs to send field feedback to second base station；

Second receiving module, for when needing to receive field feedback, receiving from described in the first base station The corresponding field feedback in second base station.

Second determining module, for determining that first base station needs to receive the field feedback from the second base station；

4th sending module, for sending the second request message to second base station, second request message is used for Represent that the first base station needs to receive the field feedback from second base station；

Third receiving module, for allow in second base station to the first base station send field feedback when, Receive the corresponding field feedback of the first base station from second base station.

4th receiving module, for receiving the second request message from first base station, second request message is used for Represent that the first base station needs to receive the field feedback from second base station；

5th sending module, for allow to the first base station send field feedback when, by first base Corresponding field feedback of standing is sent to the first base station.

Compared with prior art, the embodiment of the present invention has at least the following advantages：In the embodiment of the present invention, it is ensured that institute There is the base station for participating in cooperating that can obtain complete and accurate field feedback, then can preferably support this base station pair The scheduling process of user, and can support the aperiodic CSI of cooperative base station（Channel State Information, channel shape State information）Feedback.

Description of the drawings

It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of technical scheme of the present invention It is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field For logical technical staff, without creative efforts, other attached drawings are can also be obtained according to these attached drawings.

Fig. 1 be in the prior art two base stations to the multi-flow transmission plan schematic diagrames of same user；

Fig. 2 is a kind of transmission method flow diagram for field feedback that the embodiment of the present invention one provides；

Fig. 3 is a kind of transmission method flow diagram of field feedback provided by Embodiment 2 of the present invention；

Fig. 4 is a kind of structure diagram for base station equipment that the embodiment of the present invention six provides；

Fig. 5 is a kind of structure diagram for base station equipment that the embodiment of the present invention seven provides；

Fig. 6 is a kind of structure diagram for base station equipment that the embodiment of the present invention eight provides；

Fig. 7 is a kind of structure diagram for base station equipment that the embodiment of the present invention nine provides.

Specific embodiment

Below in conjunction with the attached drawing in the present invention, the technical solution in the present invention is clearly and completely described, is shown So, described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work, all Belong to the scope of protection of the invention.

Embodiment one

The embodiment of the present invention one provides a kind of transmission method of field feedback, and this method can be applied to multiple base stations Under the application scenarios for concurrently and independently dispatching a user, such as inter-eNodeB CoMP（Such as multi-flow（Multithread）Transmission Scheme）Deng as shown in Fig. 2, this method includes the following steps：

Step 201, first base station determines that first base station needs to send field feedback to the second base station.

Under the application scenarios for concurrently and independently dispatching a user in multiple base stations, the base station corresponding to user attaching cell Referred to as serving BS, another（It is or multiple）The base station to cooperate with serving BS is known as cooperative base station；In practical applications, first Base station can be serving BS, and the second base station can be cooperative base station；Alternatively, first base station can be cooperative base station, the second base It can be serving BS to stand；Alternatively, first base station can be cooperative base station, the second base station can be cooperative base station.

In the embodiment of the present invention, field feedback includes but not limited to one below or arbitrary combination：User feedback Downlink CSI information；The ACK of user feedback（Positive acknowledgment）/NACK（Negative confirmation）Information；User carries out aperiodic CSI feedback Triggering and/or configuration information etc..

In the embodiment of the present invention, first base station determines that first base station needs to include to the second base station transmission field feedback But it is not limited in the following manner：

Mode one, first base station are utilizing the corresponding RSRP in the second base station（Reference Signal Received Power, reference mark receive power）When information determines that the uplink signal-channel quality of the second base station is less than default first threshold value（I.e. First base station determines that the uplink signal-channel quality of the second base station is poor）, it is determined that first base station, which needs to send to the second base station, to be used Family feedback information.

Mode two, field feedback be user feedback downlink CSI information when, if triggering second in first base station The non-periodic feedback of the corresponding CSI information in base station, and when receiving the corresponding aperiodic CSI feedback information in the second base station, then really Determining first base station needs to send field feedback to the second base station（That is the downlink CSI information of user feedback）.Wherein, user is anti- The downlink CSI information of feedback includes aperiodic CSI feedback information and period CSI feedback information etc..

Step 202, first base station sends the first request message to the second base station, and first request message is for expression first Base station needs to send field feedback to the second base station.

In the embodiment of the present invention, the corresponding attribute information of field feedback can be included in first request message；Or Person, the form attribute information corresponding with field feedback of first request message have correspondence.And for above-mentioned two Kind situation, for the attribute information corresponding to different field feedbacks, can be carried out by the first identical request message It carries or can also be carried by the first different request messages.

Further, the corresponding attribute information of field feedback can include but is not limited to one below or arbitrary group It closes：Type, the time delay tolerance of feedback information, sending cycle, length etc.；In addition, the form of the first request message and user are anti- The corresponding attribute information of feedforward information is specifically as follows with correspondence：Carry out recessive instruction by using different message formats to use The corresponding attribute information of family feedback information（Such as：Type, the time delay tolerance of feedback information, sending cycle, length etc.）.

Step 203, the second base station receives the first request message from first base station, and first request message is used for table Show that first base station needs to send field feedback to the second base station.

Step 204, the second base station judges whether the second base station needs to receive the field feedback from first base station；Such as Fruit is to perform step 205；If not, perform step 206.

In the embodiment of the present invention, the second base station is based on the actual needs of itself, it may be determined that the second base station, which needs to receive, to be come It does not need to receive the field feedback from first base station from the field feedback of first base station or the second base station；Second Base station performs step 205 when needing to receive field feedback；Second base station do not need to receive field feedback when, Perform step 206.

Step 205, first base station needs to receive the situation of field feedback according to the second base station（As the second base station needs Receive field feedback）, the corresponding field feedback in the second base station is sent to the second base station by first base station；By the second base It stands and receives field feedback.

In a kind of specific implementation, first base station mandatory can send the corresponding field feedback in the second base station To the second base station；Second base station then receives field feedback when needing to receive field feedback；Second base station is being not required to When receiving field feedback, then refusal receives field feedback.

Step 206, when not needing to receive field feedback, first base station refusal corresponds to the second base station for the second base station Field feedback be sent to the second base station.

In the embodiment of the present invention, for the specific implementation of step 205 and step 206, based on different stipulated forms, There can be following situation：

When needing to receive field feedback, the second base station sends response to first base station and disappears for situation one, the second base station Breath；When not needing to receive field feedback, the second base station does not send response message, the first base to first base station for second base station Acquiescence when not receiving response message of standing does not send field feedback.

In this case, the second base station sends to represent the to first base station when needing to receive field feedback Two base stations need to receive the first response message of field feedback；First base station receive for represent the second base station need connect When receiving the first response message of field feedback, the corresponding field feedback in the second base station is sent to the second base station；By Second base station receives field feedback.

Second base station does not send to represent that the second base station is needed to first base station when not needing to receive field feedback Receive the first response message of field feedback；First base station is not being received for the second base station of expression needs reception use During the first response message of family feedback information, refuse the corresponding field feedback in the second base station being sent to the second base station.

When needing to receive field feedback, the second base station sends response to first base station and disappears for situation two, the second base station Breath；When not needing to receive field feedback, the second base station sends response message to first base station for second base station.

Second base station sends to represent that the second base station is not required to first base station when not needing to receive field feedback Receive the second response message of field feedback；First base station receive for represent the second base station do not need to receive user During the second response message of feedback information, refuse the corresponding field feedback in the second base station being sent to the second base station.

When needing to receive field feedback, the second base station does not send to first base station and responds for situation three, the second base station Message, acquiescence sends field feedback when first base station does not receive response message；Second base station is not needing to receive user During feedback information, the second base station sends response message to first base station.

In this case, the second base station does not send to represent when needing to receive field feedback to first base station Second base station does not need to receive the second response message of field feedback；First base station is not being received for the second base of expression When station does not need to receive the second response message of field feedback, the corresponding field feedback in the second base station is sent to the Two base stations；Field feedback is received by the second base station.

Situation four, the second base station are when needing to receive field feedback or do not need to receive field feedback, not Response message is sent to first base station, first base station is given tacit consent to when not receiving response message sends field feedback, and second Base station can receive or not receive field feedback.

In this case, first base station can not receive to represent that the second base station needs to receive the first of field feedback Response message or the second response message for not needing to receive field feedback for the second base station of expression, and first base station can The corresponding field feedback in second base station is sent to the second base station；Second base station need receive field feedback when, Then receive field feedback；Field feedback is then rejected when not needing to receive field feedback in the second base station.

In the embodiment of the present invention, the corresponding attribute information of field feedback can be included in first response message；Or Person, the form of first response message can attribute information corresponding with field feedback there is correspondence；Wherein, the use Feedback information corresponding attribute information in family can include but is not limited to one below or arbitrary combination：The type of feedback information, when Prolong tolerance, sending cycle, length etc.；The form of first response message attribute information corresponding with field feedback has Correspondence is specifically as follows：The corresponding attribute information of recessive instruction field feedback is come by using different message formats （Such as：Type, the time delay tolerance of feedback information, sending cycle, length etc.）.

In the embodiment of the present invention, the corresponding field feedback in the second base station is sent to the second base station by first base station, by Second base station receives field feedback, is specifically including but not limited to following manner：

The corresponding field feedback in second base station is disposably sent to the second base station by mode one, first base station, by Second base station receives the field feedback that first base station is disposably sent to the second base station.

The corresponding field feedback in second base station is sent periodically to the second base station by mode two, first base station, by Second base station receives the field feedback that first base station is sent periodically to the second base station.

The corresponding field feedback in second base station is routinely sent to the second base station by mode three, first base station, by Second base station receives the field feedback that first base station is routinely sent to the second base station；Second base station is not needing to receive During field feedback, the stopping message for stopping sending field feedback is sent to first base station, and first base station exists After receiving the stopping message for stopping sending field feedback, it can stop sending user feedback letter to the second base station Breath.

In the embodiment of the present invention, the second base station receive the corresponding field feedback in the second base station from first base station it Afterwards, the second base station can also pass through the downlink CSI information of the user feedback received and/or the ACK/NACK information pair of user feedback User is scheduled, i.e., the letter obtained at user using downlink CSI information and/or ACK/NACK information and the second base station Breath carries out user's scheduling；And/or second base station can also be carried out by the user that receives aperiodic CSI feedback triggering and/or Configuration information determines the resource of aperiodic CSI feedback, and receives aperiodic CSI information in determining resource.

In conclusion in the embodiment of the present invention, it is ensured that all base stations for participating in cooperation can obtain complete and accurate True field feedback then can preferably support scheduling process of this base station to user, and can support cooperative base station Aperiodic CSI feedback.

Embodiment two

The embodiment of the present invention two provides a kind of transmission method of field feedback, and this method can be applied to multiple base stations Under the application scenarios for concurrently and independently dispatching a user, such as inter-eNodeB CoMP（Such as multi-flow（Multithread）Transmission Scheme）Deng as shown in figure 3, this method includes the following steps：

Step 301, first base station determines that first base station needs to receive the field feedback from the second base station.Wherein, Under the application scenarios for concurrently and independently dispatching a user in multiple base stations, the base station corresponding to user attaching cell is known as servicing Base station, another（It is or multiple）The base station to cooperate with serving BS is known as cooperative base station；In practical applications, first base station can be with For serving BS, the second base station can be cooperative base station；Alternatively, first base station can be cooperative base station, the second base station can be Serving BS；Alternatively, first base station can be cooperative base station, the second base station can be cooperative base station.

In the embodiment of the present invention, first base station determines that first base station needs to receive the field feedback from the second base station Including but not limited in the following manner：

Mode one, first base station are in the uplink signal-channel quality that first base station is determined using the corresponding RSRP information of first base station During less than default second threshold value（I.e. first base station determines that the uplink signal-channel quality of first base station is poor）, it is determined that the first base Needs of standing receive the field feedback from the second base station.

Mode two, first base station are utilizing the corresponding SRS of first base station（Sounding Reference Signal, monitoring Reference signal）When information determines that the uplink signal-channel quality of first base station is less than default third threshold value（I.e. first base station is determined The uplink signal-channel quality of first base station is poor）, it is determined that first base station needs to receive the field feedback from the second base station.

Mode three, field feedback be user feedback downlink CSI information when, if first base station need to obtain it is non- Period CSI feedback information, it is determined that first base station needs to receive the field feedback from the second base station（That is user feedback Downlink CSI information）.Wherein, the downlink CSI information of user feedback includes aperiodic CSI feedback information and period CSI feedback information Deng.

Step 302, first base station sends the second request message to the second base station, and second request message is for expression first Base station needs to receive the field feedback from the second base station.

In the embodiment of the present invention, the corresponding attribute information of field feedback can be included in second request message；Or Person, the form attribute information corresponding with field feedback of second request message have correspondence.And for above-mentioned two Kind situation, for the attribute information corresponding to different field feedbacks, can be carried out by the second identical request message It carries or can also be carried by the second different request messages.

Further, the corresponding attribute information of field feedback can include but is not limited to one below or arbitrary group It closes：Type, the time delay tolerance of feedback information, sending cycle, length etc.；In addition, the form of the second request message and user are anti- The corresponding attribute information of feedforward information is specifically as follows with correspondence：Carry out recessive instruction by using different message formats to use The corresponding attribute information of family feedback information（Such as：Type, the time delay tolerance of feedback information, sending cycle, length etc.）.

Step 303, the second base station receives the second request message from first base station, and second request message is used for table Show that first base station needs receive the field feedback from the second base station.

Step 304, the second base station judges whether the second base station allows to send field feedback to first base station；If It is to perform step 305；If not, perform step 306.

In the embodiment of the present invention, the second base station is based on the actual conditions of itself, it may be determined that the second base station is capable of providing The field feedback of one base station or the second base station can not provide the field feedback of first base station；Second base station is permitting When sending field feedback to first base station perhaps（The field feedback of first base station can be provided）, perform step 305； Second base station is not when allowing to send field feedback to first base station（The user feedback letter of first base station can not be provided Breath）, perform step 306.

Step 305, the second base station is when allowing to send field feedback to first base station, by the corresponding use of first base station Family feedback information is sent to first base station, and field feedback is received by first base station.

In the embodiment of the present invention, the second base station, can also be to the when allowing to send field feedback to first base station One base station sends to represent that the second base station is capable of providing the third response message of the corresponding field feedback of first base station；By First base station is received is capable of providing the corresponding field feedback of first base station from the second base station for the second base station of expression Third response message.

Step 306, the second base station sends to first base station and uses when not allowing to send field feedback to first base station The 4th response message of the corresponding field feedback of first base station can not be provided in the second base station of expression；It is received by first base station Disappearing for representing that the second base station can not provide the 4th of the corresponding field feedback of first base station and respond from the second base station Breath.

In the embodiment of the present invention, the corresponding attribute information of field feedback can be included in the third response message；Or Person, the form of the third response message can attribute information corresponding with field feedback there is correspondence；Wherein, the use Feedback information corresponding attribute information in family can include but is not limited to one below or arbitrary combination：The type of feedback information, when Prolong tolerance, sending cycle, length etc.；The form of third response message attribute information corresponding with field feedback has Correspondence is specifically as follows：The corresponding attribute information of recessive instruction field feedback is come by using different message formats （Such as：Type, the time delay tolerance of feedback information, sending cycle, length etc.）.

In the embodiment of the present invention, the corresponding field feedback of first base station is sent to first base station by the second base station, by First base station receives field feedback, is specifically including but not limited to following manner：

The corresponding field feedback of first base station is disposably sent to first base station by mode one, the second base station, by First base station receives the field feedback that the second base station is disposably sent to first base station.

The corresponding field feedback of first base station is sent periodically to first base station by mode two, the second base station, by First base station receives the field feedback that the second base station is sent periodically to first base station.

The corresponding field feedback of first base station is routinely sent to first base station by mode three, the second base station, by First base station receives the field feedback that the second base station is routinely sent to first base station；First base station is not needing to receive During field feedback, the stopping message for stopping sending field feedback is sent to the second base station, and the second base station exists After receiving the stopping message for stopping sending field feedback, it can stop sending user feedback letter to first base station Breath.

In the embodiment of the present invention, first base station receive the corresponding field feedback of first base station from the second base station it Afterwards, first base station can also pass through the downlink CSI information of the user feedback received and/or the ACK/NACK information pair of user feedback User is scheduled, i.e., the letter obtained at user using downlink CSI information and/or ACK/NACK information and first base station Breath carries out user's scheduling；And/or first base station can also be carried out by the user that receives aperiodic CSI feedback triggering and/or Configuration information determines the resource of aperiodic CSI feedback, and receives aperiodic CSI information in determining resource.

In the embodiment of the present invention, the triggering of aperiodic CSI feedback is carried out for user and/or with confidence in field feedback Breath, the second base station is serving BS, and when first base station is cooperative base station, the corresponding user feedback of first base station is believed in the second base station The process that breath is sent to first base station specifically includes：When the second request message comes from second for representing that first base station needs to receive When the user of base station carries out triggering and/or the configuration information of aperiodic CSI feedback, if the second base station allows to send out to first base station The triggering and/or configuration information that user carries out aperiodic CSI feedback are sent, then first base station corresponding non-week is first triggered in the second base station User is carried out the triggering of aperiodic CSI feedback later and/or configuration information is sent to first base station by the feedback of phase CSI.

Embodiment three

The embodiment of the present invention three provides a kind of transmission method of field feedback, in the present embodiment, it is assumed that one is in Edge customer among two base stations carries out multi-flow transmission, two base stations（Respectively first base station and the second base station）Point Not using the data transmission of message scheduling user respectively obtained, and the SRS signal sent at user is received respectively.

First base station（Such as cooperative base station）With the second base station（Such as serving BS）The SRS letters sent at user are measured respectively Number, if first base station measures the corresponding SRS signal intensity of first base station less than some threshold value（I.e. default third thresholding Value）, then first base station determine to need to carry out the interaction of CSI information（I.e. first base station needs to receive the user from the second base station Feedback information, the field feedback are the downlink CSI information of the corresponding user feedback of first base station）.

First base station sends the second request message to the second base station, which is used to represent first base station needs The field feedback from the second base station is received, and the field feedback that needs are carried in second request message is user The corresponding attribute information of downlink CSI information of feedback.

Second base station, by measuring the intensity of SRS signal, judges whether the second base station permits after the second request message is received Perhaps field feedback is sent to first base station（Whether it is capable of providing the downlink CSI information of secure user feedback）If SRS Signal strength is higher than some threshold value, then the second base station determines to allow to send field feedback, i.e. the second base to first base station The downlink CSI information of user feedback can be provided by standing.

Further, the second base station can send the corresponding user feedback of first base station to first base station in the following way Downlink CSI information：

Mode one, the aperiodic CSI feedback of the second base station triggers, enable the aperiodic CSI corresponding to user feedback first base station （That is the downlink CSI information of user feedback）, and by the downlink CSI information exchanges of user feedback to first base station；Wherein, the second base It stands to user configuration aperiodic CSI feedback when reporting content, different aperiodic CSI triggering instructions can trigger corresponding difference The CSI information of base station.

Mode two, the second base station report the middle CSI information obtained corresponding to first base station from the period CSI of user（Use The downlink CSI information of family feedback）, and by downlink CSI information exchanges to first base station.

Later, first base station receives the downlink CSI information of the user feedback of interaction, and the downlink CSI of user feedback accordingly Information carries out user's scheduling.

Example IV

The embodiment of the present invention four provides a kind of transmission method of field feedback, in the present embodiment, it is assumed that one is in Edge customer among two base stations carries out multi-flow transmission, two base stations（Respectively first base station and the second base station）Point Not using the data transmission of message scheduling user respectively obtained, and the SRS signal sent at user is received respectively.

First base station（Such as cooperative base station）With the second base station（Such as serving BS）The SRS letters sent at user are measured respectively Number, if first base station measures the corresponding SRS signal intensity of first base station less than certain threshold value（I.e. default third threshold value）, Then first base station determines the interaction for needing to carry out ACK/NACK information（I.e. first base station needs to receive the user from the second base station Feedback information, the field feedback are the ACK/NACK information of the corresponding user feedback of first base station）.

First base station sends the second request message to the second base station, which is used to represent first base station needs The field feedback from the second base station is received, and the field feedback that needs are carried in second request message is user The corresponding attribute information of ACK/NACK information of feedback.

Second base station is after the second request message is received, and the ACK/NACK information that is received according to the second base station judges second Whether base station allows to send field feedback to first base station（Whether it is capable of providing the corresponding ACK/NACK letters of first base station Breath；Wherein, if the second base station can detect the corresponding ACK/NACK information of complete first base station, it is determined that allow to first Base station sends field feedback, i.e. the second base station can provide ACK/NACK information；If the second base station cannot detect The corresponding ACK/NACK information of whole first base station then sends refusal request, stops interactive process.

Further, when allowing to send field feedback to first base station, the second base station is to the first base for the second base station It stands and sends the corresponding ACK/NACK information of first base station, first base station receives ACK/NACK information, and ACK/NACK information accordingly Carry out user's scheduling.

Embodiment five

The embodiment of the present invention five provides a kind of transmission method of field feedback, in the present embodiment, it is assumed that user collaboration Set includes two base stations（Respectively first base station and the second base station）, first base station（Such as cooperative base station）With the second base station（Such as Serving BS）It is cooperated by nonideal backhaul.

If first base station needs to carry out aperiodic CSI triggerings（I.e. first base station needs to obtain aperiodic CSI feedback letter Breath）, then first base station determine the interaction for needing to carry out aperiodic CSI feedback information（I.e. first base station needs to receive from second The field feedback of base station, and the downlink CSI information that the field feedback is the corresponding user feedback of first base station）.

After the second request message is received, the second base station judges that the second base station is according to current scheduling situation for second base station It is no to allow to send field feedback to first base station；Wherein, if aperiodic CSI triggerings cannot be carried out, the second base station hair Refusal is sent to notify（Disappear for representing that the second base station can not provide the 4th of the corresponding field feedback of first base station and respond Breath）；If aperiodic CSI triggerings can be carried out, the corresponding aperiodic CSI information of the second base station triggers first base station it is anti- Feedback.

Assuming that aperiodic CSI triggerings can be carried out, then the second base station interacts the correlation of aperiodic CSI feedback to first base station Information（Aperiodic CSI including aperiodic CSI feedback used resource, triggering reports content etc.）；First base station receives interactive letter After breath, resource according to used in interactive information determines aperiodic CSI feedback and content is triggered, and in corresponding position reception non-week Phase CSI feedback information；First base station is according to the aperiodic CSI information received, with reference to the information that this base station receives at user, into Row user dispatches.

Embodiment six

Based on the same inventive concept of the above method, additionally provide a kind of base station equipment in the embodiment of the present invention, as First base station, as shown in figure 4, the first base station includes：

First determining module 11, for determining that first base station needs to send field feedback to the second base station；

First sending module 12, for sending the first request message to second base station, first request message is used It needs to send field feedback to second base station in the expression first base station；

Second sending module 13, for being needed to receive the situation of field feedback according to second base station, by described in The corresponding field feedback in second base station is sent to second base station.

Second sending module 13, specifically for representing that second base station needs to receive user feedback receiving First response message of information does not receive to represent that second base station does not need to receive the second of field feedback During response message, the corresponding field feedback in the second base station is sent to second base station.

Second sending module 13, be additionally operable to not receiving for represent second base station need receive user it is anti- First response message of feedforward information receives to represent that second base station does not need to receive the second sound of field feedback When answering message, refuse the corresponding field feedback in the second base station being sent to second base station.

Wherein, the modules of apparatus of the present invention can be integrated in one, and can also be deployed separately.Above-mentioned module can close And be a module, multiple submodule can also be further split into.

Embodiment seven

Based on the same inventive concept of the above method, additionally provide a kind of base station equipment in the embodiment of the present invention, as Second base station, as shown in figure 5, second base station includes：

First receiving module 21, for receiving the first request message from first base station, first request message is used It needs to send field feedback to second base station in the expression first base station；

Second receiving module 22, for when needing to receive field feedback, receiving the institute from the first base station State the corresponding field feedback in the second base station.

The base station equipment further includes third sending module 23, for when needing to receive field feedback, to described First base station sends to represent that second base station needs the first response message of reception field feedback；Alternatively, not When needing to receive field feedback, send to represent that it is anti-that second base station does not need to reception user to the first base station Second response message of feedforward information.

Embodiment eight

Based on the same inventive concept of the above method, additionally provide a kind of base station equipment in the embodiment of the present invention, as First base station, as shown in fig. 6, the first base station includes：

Second determining module 31, for determining that first base station needs to receive the field feedback from the second base station；

4th sending module 32, for sending the second request message to second base station, second request message is used It needs to receive the field feedback from second base station in the expression first base station；

Third receiving module 33, for allowing to send field feedback to the first base station in second base station When, receive the corresponding field feedback of the first base station from second base station.

The third receiving module 33, be additionally operable to receive from second base station for representing second base station energy The third response message of the corresponding field feedback of the first base station is enough provided；Alternatively, it receives from second base station For representing that second base station can not provide the 4th response message of the corresponding field feedback of the first base station.

Embodiment nine

Based on the same inventive concept of the above method, additionally provide a kind of base station equipment in the embodiment of the present invention, as Second base station, as shown in fig. 7, second base station includes：

4th receiving module 41, for receiving the second request message from first base station, second request message is used It needs to receive the field feedback from second base station in the expression first base station；

5th sending module 42, for allow to the first base station send field feedback when, by described first The corresponding field feedback in base station is sent to the first base station.

5th sending module 42 is additionally operable to when allowing to send field feedback to the first base station, to institute First base station is stated to send to represent that second base station is capable of providing the of the corresponding field feedback of the first base station Three response messages；Alternatively, when not allowing to send field feedback to the first base station, send and use to the first base station The 4th response message of the corresponding field feedback of the first base station can not be provided in expression second base station.

Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by Software adds the mode of required general hardware platform to realize, naturally it is also possible to which by hardware, but the former is more in many cases Good embodiment.Based on such understanding, what technical scheme of the present invention substantially in other words contributed to the prior art Part can be embodied in the form of software product, which is stored in a storage medium, if including Dry instruction is used so that a computer equipment（Can be personal computer, server or the network equipment etc.）Perform this hair Method described in bright each embodiment.

It will be appreciated by those skilled in the art that attached drawing is the schematic diagram of a preferred embodiment, module or stream in attached drawing Journey is not necessarily implemented necessary to the present invention.

It will be appreciated by those skilled in the art that the module in device in embodiment can describe be divided according to embodiment It is distributed in the device of embodiment, respective change can also be carried out and be located in one or more devices different from the present embodiment.On The module for stating embodiment can be merged into a module, can also be further split into multiple submodule.

The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.

Disclosed above is only several specific embodiments of the present invention, and still, the present invention is not limited to this, any ability What the technical staff in domain can think variation should all fall into protection scope of the present invention.

Claims

1. a kind of transmission method of field feedback, which is characterized in that including：

The first base station sends the first request message to second base station, and first request message is for representing described the One base station needs to send field feedback to second base station；

The first base station needs to receive the situation of field feedback according to second base station, and second base station is corresponded to Field feedback be sent to second base station；

Wherein, the first base station determines that the first base station needs to send field feedback to the second base station, including：

The first base station is determining described second using the corresponding reference mark reception power RSRP information in second base station When the uplink signal-channel quality of base station is less than default first threshold value, determine that the first base station needs to send to second base station Field feedback；Alternatively,

When the field feedback is the downlink channel condition information CSI information of user feedback, if the first base station Receive the corresponding aperiodic CSI feedback information in second base station, it is determined that the first base station is needed to second base station Send field feedback.

2. the method as described in claim 1, which is characterized in that the first base station needs to receive according to second base station to be used The corresponding field feedback in second base station is sent to second base station by the situation of family feedback information, including：

The first base station receiving for represent second base station need receive field feedback the first response message Or when not receiving for representing that second base station does not need to receive the second response message of field feedback, by the second base Corresponding field feedback of standing is sent to second base station.

3. the method as described in claim 1, which is characterized in that the first base station sends the first request to second base station After message, the method further includes：

The first base station not receiving for represent second base station need receive field feedback first response Message or when receiving for representing that second base station does not need to receive the second response message of field feedback, refuses the The corresponding field feedback in two base stations is sent to second base station.

4. method as claimed in claim 2, which is characterized in that first request message and/or first response message In include the corresponding attribute information of field feedback；Alternatively,

Recessive instruction user is come by using the different messages form of first request message and/or first response message The corresponding attribute information of feedback information.

5. method as claimed in claim 1 or 2, which is characterized in that the first base station is by the corresponding use in second base station Family feedback information is sent to second base station, including：

The corresponding field feedback in second base station is disposably sent to second base station by the first base station；Or Person,

The corresponding field feedback in second base station is sent periodically to second base station by the first base station；Or Person,

The corresponding field feedback in second base station is routinely sent to second base station by the first base station, directly To the stopping message that field feedback is sent for stopping for receiving second base station.

6. such as claim 1-4 any one of them methods, which is characterized in that the field feedback include one below or Arbitrary combination：The downlink CSI information of user feedback；The positive acknowledgment ACK/ negative confirmation nack messages of user feedback；User into The triggering of the aperiodic CSI feedback of row and/or configuration information.

7. a kind of transmission method of field feedback, which is characterized in that including：

Second base station receives the first request message from first base station, and first request message is used to represent first base Needs of standing send field feedback to second base station；

Second base station receives second base station pair from the first base station when needing to receive field feedback The field feedback answered；

Wherein, first request message determines that the first base station needs to send user to the second base station for the first base station Second base station is sent to by the first base station during feedback information；

8. the method for claim 7, which is characterized in that second base station receives the first request from first base station After message, further include：

Second base station sends to represent second base to the first base station when needing to receive field feedback Station needs to receive the first response message of field feedback；Alternatively,

Second base station sends to represent described second to the first base station when not needing to receive field feedback Base station does not need to receive the second response message of field feedback.

9. method as claimed in claim 8, which is characterized in that first request message and/or first response message In include the corresponding attribute information of field feedback；Alternatively,

10. method as claimed in claim 8, which is characterized in that second base station receives the institute from the first base station The corresponding field feedback in the second base station is stated, including：

Second base station receives second base station correspondence that the first base station is disposably sent to second base station Field feedback；Alternatively,

Second base station receives second base station correspondence that the first base station is sent periodically to second base station Field feedback；Alternatively,

Second base station receives second base station correspondence that the first base station is routinely sent to second base station Field feedback, and do not need to receive field feedback when, to the first base station send for stop send use The stopping message of family feedback information.

11. such as claim 7-10 any one of them methods, which is characterized in that the field feedback includes one below Or arbitrary combination：The downlink channel condition information CSI information of user feedback；The positive acknowledgment ACK/ negative confirmation of user feedback Nack message；User carries out triggering and/or the configuration information of aperiodic CSI feedback.

12. method as claimed in claim 11, which is characterized in that second base station receives the institute from the first base station After stating the corresponding field feedback in the second base station, further include：

Second base station passes through the downlink CSI information of user feedback and/or the ACK/NACK information pair of user feedback that receive User is scheduled；And/or

Second base station is determined aperiodic by the triggering and/or configuration information of the aperiodic CSI feedback of user's progress received The resource of CSI feedback, and receive aperiodic CSI information in determining resource.

13. a kind of transmission method of field feedback, which is characterized in that including：

The first base station sends the second request message to second base station, and second request message is for representing described the One base station needs to receive the field feedback from second base station；

When allowing in second base station to first base station transmission field feedback, the first base station is received from institute State the corresponding field feedback of the first base station of the second base station；

Wherein, the first base station determines that the first base station needs to receive the field feedback from the second base station, including：

The first base station is determining described first using the corresponding reference mark reception power RSRP information of the first base station When the uplink signal-channel quality of base station is less than default second threshold value, determine that the first base station needs to receive from the second base station Field feedback；Alternatively,

The first base station is determining the first base station using the corresponding monitoring reference signal SRS information of the first base station When uplink signal-channel quality is less than default third threshold value, determine that the first base station needs user of the reception from the second base station anti- Feedforward information；Alternatively,

When the field feedback is the downlink channel condition information CSI information of user feedback, if the first base station It needs to obtain aperiodic CSI feedback information, it is determined that the first base station needs to receive the user feedback letter from the second base station Breath.

14. method as claimed in claim 13, which is characterized in that the first base station sends second to second base station please After seeking message, further include：

The first base station receive from second base station for representing that second base station is capable of providing first base It stands the third response message of corresponding field feedback；Alternatively,

The first base station receive from second base station for representing that second base station can not provide first base It stands the 4th response message of corresponding field feedback.

15. method as claimed in claim 14, which is characterized in that second request message and/or third response disappear The corresponding attribute information of field feedback is included in breath；Alternatively,

Recessive instruction user is come by using the different messages form of second request message and/or the third response message The corresponding attribute information of feedback information.

16. method as claimed in claim 13, which is characterized in that the first base station receives the institute from second base station The corresponding field feedback of first base station is stated, including：

The first base station receives the first base station correspondence that second base station is disposably sent to the first base station Field feedback；Alternatively,

The first base station receives the first base station correspondence that second base station is sent periodically to the first base station Field feedback；Alternatively,

The first base station receives the first base station correspondence that second base station is routinely sent to the first base station Field feedback, and do not need to receive field feedback when, to second base station send for stop send use The stopping message of family feedback information.

17. such as claim 13-16 any one of them methods, which is characterized in that

The field feedback includes one below or arbitrary combination：The downlink CSI information of user feedback；User feedback is agreed Surely confirm ACK/ negative confirmation nack messages；User carries out triggering and/or the configuration information of aperiodic CSI feedback.

18. method as claimed in claim 17, which is characterized in that the first base station receives the institute from second base station After stating the corresponding field feedback of first base station, further include：

The first base station passes through the downlink CSI information of user feedback and/or the ACK/NACK information pair of user feedback that receive User is scheduled；And/or

The first base station is determined aperiodic by the triggering and/or configuration information of the aperiodic CSI feedback of user's progress received The resource of CSI feedback, and receive aperiodic CSI information in determining resource.

19. a kind of transmission method of field feedback, which is characterized in that including：

Second base station receives the second request message from first base station, and second request message is used to represent first base Needs of standing receive the field feedback from second base station；

Second base station is when allowing to send field feedback to the first base station, by the corresponding use of the first base station Family feedback information is sent to the first base station；

Wherein, second request message determines that the first base station needs to receive from the second base station for the first base station Second base station is sent to by the first base station during field feedback；

20. method as claimed in claim 19, which is characterized in that second base station received from first base station second please After seeking message, further include：

Second base station is used for when allowing to send field feedback to the first base station to first base station transmission Represent that second base station is capable of providing the third response message of the corresponding field feedback of the first base station；Alternatively,

Second base station sends to the first base station and uses when not allowing to send field feedback to the first base station The 4th response message of the corresponding field feedback of the first base station can not be provided in expression second base station.

21. method as claimed in claim 20, which is characterized in that second request message and/or third response disappear The corresponding attribute information of field feedback is included in breath；Alternatively,

22. method as claimed in claim 19, which is characterized in that second base station is by the corresponding user of the first base station Feedback information is sent to the first base station, including：

The corresponding field feedback of the first base station is disposably sent to the first base station by second base station；Or Person,

The corresponding field feedback of the first base station is sent periodically to the first base station by second base station；Or Person,

The corresponding field feedback of the first base station is routinely sent to the first base station by second base station, directly To the stopping message that field feedback is sent for stopping for receiving the first base station.

23. such as claim 19-22 any one of them methods, which is characterized in that the field feedback include it is following it One or arbitrary combination：The downlink channel condition information CSI information of user feedback；The positive acknowledgment ACK/ negative confirmation of user feedback Nack message；User carries out triggering and/or the configuration information of aperiodic CSI feedback.

24. a kind of base station equipment, which is characterized in that as first base station, which includes：

First sending module, for sending the first request message to second base station, first request message is used to represent The first base station needs to send field feedback to second base station；

Second sending module, for being needed to receive the situation of field feedback according to second base station, by second base Corresponding field feedback of standing is sent to second base station；

Wherein it is determined that first base station needs to send field feedback to the second base station, including：

25. base station equipment as claimed in claim 24, which is characterized in that

Second sending module, specifically for representing that second base station needs to receive field feedback receiving First response message does not receive to represent that second base station does not need to receive the second of field feedback and respond to disappear During breath, the corresponding field feedback in the second base station is sent to second base station.

26. base station equipment as claimed in claim 24, which is characterized in that

Second sending module, be additionally operable to not receiving for represent second base station need receive field feedback The first response message or receive for represent second base station do not need to receive field feedback the second response message When, refuse the corresponding field feedback in the second base station being sent to second base station.

27. a kind of base station equipment, which is characterized in that as the second base station, which includes：

First receiving module, for receiving the first request message from first base station, first request message is used to represent The first base station needs to send field feedback to second base station；

Second receiving module, for when needing to receive field feedback, receiving described second from the first base station The corresponding field feedback in base station；

28. base station equipment as claimed in claim 27, which is characterized in that further include：

Third sending module, for when needing to receive field feedback, sending to represent described to the first base station Second base station needs to receive the first response message of field feedback；Alternatively,

When not needing to receive field feedback, send to represent that second base station does not need to connect to the first base station Receive the second response message of field feedback.

29. a kind of base station equipment, which is characterized in that as first base station, which includes：

4th sending module, for sending the second request message to second base station, second request message is used to represent The first base station needs to receive the field feedback from second base station；

Third receiving module, for allow in second base station to the first base station send field feedback when, receive The corresponding field feedback of the first base station from second base station；

Wherein it is determined that first base station needs to receive the field feedback from the second base station, including：

30. base station equipment as claimed in claim 29, which is characterized in that

The third receiving module, be additionally operable to receive from second base station for representing that second base station is capable of providing The third response message of the corresponding field feedback of the first base station；It is used for alternatively, receiving from second base station Represent that second base station can not provide the 4th response message of the corresponding field feedback of the first base station.

31. a kind of base station equipment, which is characterized in that as the second base station, which includes：

4th receiving module, for receiving the second request message from first base station, second request message is used to represent The first base station needs to receive the field feedback from second base station；

5th sending module, for allow to the first base station send field feedback when, by the first base station pair The field feedback answered is sent to the first base station；

32. base station equipment as claimed in claim 31, which is characterized in that

5th sending module is additionally operable to when allowing to send field feedback to the first base station, to described first Base station sends to represent that second base station is capable of providing the third response of the corresponding field feedback of the first base station Message；Alternatively, when not allowing to send field feedback to the first base station, send to represent to the first base station Second base station can not provide the 4th response message of the corresponding field feedback of the first base station.