TW201408107A - Method and apparatus for managing CoMP-related sets - Google Patents

Abstract

The present invention relates to a management method and device for coordinated multi-point (CoMP)-related sets. According to one embodiment of the present invention, the management method for coordinated multi-point-related sets comprises: measuring a reference signal receiving power of a channel state information-reference signal (CSI-RS) resource in a coordinated multi-point resource management set; reporting the measured reference signal receiving power of the CSI-RS resource; receiving a signaling for adding the CSI-RS resource to a measurement set of the coordinated multi-point; and after adding the CSI-RS resource to the measurement set of the coordinated multi-point, continuing to measure the reference signal receiving power of the CSI-RS resource. The present invention solves the management problem of the coordinated multi-point related sets, so as to facilitate further development and application of the coordinated multi-point technology.

Description

Multi-point coordination related set management method and device

The present invention relates to coordinated multi-point (CoMP) in wireless communication, and more particularly to a management method and apparatus for multi-point coordinated correlation set in wireless communication.

Multi-point coordinated transmission is a very promising technology in LTE-Advanced (Long Term Evolution-Advanced), which can effectively reduce inter-cell interference (ICI) and increase high data rate. Coverage, cell edge throughput and/or system throughput. At the same time, as a technology that is constantly developing and improving, there are bound to be some problems to be solved in multi-point coordination. For example, how to manage and distribute various multi-point coordination related sets is a research hotspot in the industry.

An object of the present invention is to provide a method and apparatus for managing a coordinated multi-point set, which solves the problem of how to dynamically manage a coordinated multi-point set and provide corresponding indications to user equipment.

Another object of the present invention is to provide a method and apparatus for managing a coordinated multi-point correlation set, which solves the channel state information measurement problem of a secondary cell (Scell) that is not activated in a coordinated multi-point coordination.

It is still another object of the present invention to provide a method and apparatus for managing a multi-point coordinated correlation set, which solves the problem of management, allocation, and update of a coordinated set and a transport set for coordinated multi-point.

An embodiment of the present invention provides a method for managing a multi-point coordinated correlation set, the method comprising: measuring a reference signal received power of a channel state information-reference signal (CSI-RS) resource in a multi-point coordinated resource management set; a reference signal received power of the measured CSI-RS resource; receiving a signal for adding the CSI-RS resource to the multi-point coordinated measurement set: and adding the CSI-RS resource to the multi-point coordination amount After the measurement, the reference signal received power of the CSI-RS resource is continuously measured.

According to another embodiment of the present invention, the method further includes stopping measuring the reference signal received power of the CSI-RS resource after the CSI-RS resource is added to the multi-point coordinated measurement set. Stopping the measurement of the reference signal received power of the CSI-RS resource is caused by the radio resource control signaling sent by the base station to stop the user equipment or automatically stopped by the user equipment. If the CSI-RS resource is a reference CSI-RS resource, the user equipment does not stop measuring the reference signal received power of the CSI-RS resource, or stops measuring after setting a new reference CSI-RS resource. According to an embodiment of the present invention, the method further includes, after adding the multi-point coordinated measurement set, if the reference signal received power of the CSI-RS resource is lower than a predetermined threshold or lower than a reference CSI-RS The predetermined threshold of the resource, the CSI-RS resource is removed from the multi-point coordinated measurement set. According to another embodiment of the present invention, even if the CSI-RS resource belongs to an unactivated secondary cell, the CSI-RS is still measured and fed back when the CSI-RS resource is added to the multi-point coordinated measurement set. The channel status information of the resource; or the channel status information of the CSI-RS resource is not measured until the transmission of the secondary cell is received. In yet another embodiment, the method further includes receiving a media access control-control element to allocate a multi-point coordinated collaborative set/multipoint coordinated transmission set. The media access control-control element can be in the form of a bit map or a media access control-control element containing a particular identifier.

Another embodiment of the present invention provides a method for managing a coordinated multi-point set, the method comprising: receiving a measurement report of reference signal received power of a CSI-RS resource in a coordinated resource management set; The test report determines whether to issue the CSI-RS The resource is added to the multi-point coordinated measurement set; and even if the CSI-RS resource is added to the coordinated coordinated measurement set, the measurement report of the reference signal received power of the CSI-RS resource continues to be received.

According to an embodiment of the present invention, the method further includes, after the CSI-RS resource is added to the multi-point coordinated measurement set, no longer receiving the measurement report of the reference signal received power of the CSI-RS resource. In an embodiment, it further transmits a radio resource control message indicating that the user equipment stops measuring the reference signal received power of the CSI-RS resource. According to another embodiment of the present invention, even if the CSI-RS resource belongs to an unactivated secondary cell, channel state information of the CSI-RS resource is received when the CSI-RS resource is added to the multi-point coordinated measurement set. Feedback; or send a start transmission, and then receive feedback of the channel status information of the CSI-RS resource. The method also includes assigning an identifier to the CSI-RS resource when the CSI-RS resource is added to the multi-point coordinated measurement set. In another embodiment, the method further includes transmitting a media access control-control element to allocate a multi-point coordinated collaborative set/multipoint coordinated transmission set. The media access control-control element can be in the form of a bit map or a media access control-control element containing a particular identifier.

An embodiment of the present invention also provides a user equipment management multi-point coordination correlation set, where the user equipment includes: a reference signal receiving power measuring device, which measures a CSI-RS resource in a multi-point coordinated resource management set. a signal receiving power; a reference signal receiving power reporting device that reports a reference signal received power of the measured CSI-RS resource; and a signaling receiving device that receives the CSI-RS resource added to the multi-point coordinated measurement set Signaling. The reference signal receiving power device continues to measure the reference signal receiving power of the CSI-RS resource after the CSI-RS resource is added to the multi-point coordinated measurement set.

In an embodiment, after the CSI-RS resource is added to the multi-point coordinated measurement set, the reference signal receiving power device stops measuring the reference signal received power of the CSI-RS resource. In another embodiment, the user equipment further includes a media access control-control element receiving device that receives the media access control-control element to allocate coordinated multi-point coordination Set/multipoint coordinated transmission set.

An embodiment of the present invention also provides a base station that manages a coordinated multi-point set, the base station includes: a measurement report receiving device that receives reference signal receiving power of a CSI-RS resource in a coordinated resource management set of multiple points And a determining device that determines whether to send a CSI-RS resource to the multi-point coordinated measurement set based on the received measurement report. The measurement report receiving device continues to receive the measurement report of the reference signal received power of the CSI-RS resource even if the CSI-RS resource is added to the multi-point coordinated measurement set.

In an embodiment, after the CSI-RS resource is added to the multi-point coordinated measurement set, the measurement report receiving device no longer receives the measurement report of the reference signal received power of the CSI-RS resource. In yet another embodiment, the base station further includes a media access control-control element transmitting device that transmits a media access control-control element to allocate a multi-point coordinated cooperative set/multipoint coordinated transmission set.

The management method and device for multi-point coordination related set of the invention solves the management problem of various multi-point coordination related sets in the development of multi-point coordination technology, and contributes to the further development and application of multi-point coordination technology. In addition, the method and apparatus for managing the multi-point coordination correlation set of the present invention also have the advantages of saving power consumption, feedback burden, low delay, and the like.

20‧‧‧User equipment

22‧‧‧Reference signal receiving power measuring device

24‧‧‧Reference signal receiving power reporting device

26‧‧‧Signal receiving device

28‧‧‧Media Access Control-Control Element Receiver

40‧‧‧Base station

42‧‧‧Measurement report receiving device

44‧‧‧Determining device

46‧‧‧Media Access Control-Control Element Transmitter

1 shows a flow chart of a method for managing a multi-point coordinated correlation set on a terminal side according to an embodiment of the present invention; FIG. 2 shows a structural block of an apparatus for managing a multi-point coordinated correlation set on a terminal side according to an embodiment of the present invention; FIG. 3 is a flow chart showing a method for managing a multipoint coordination correlation set on the network side according to another embodiment of the present invention; and FIG. 4 is a diagram showing a network side management multipoint coordination correlation set according to another embodiment of the present invention. Block diagram of the device.

For a better understanding of the spirit of the invention, it will be further described in conjunction with the preferred embodiments of the invention.

Agreement 36.819 specifies a plurality of multi-point coordination correlation sets, which are a coordinated coordination set (CCS; CoMP Cooperating Set), a coordinated set of coordinated coordinates (CTS; CoMP Transmission Point(s) Set), and multi-point coordination. The measurement set (CMS; CoMP Measurement Set) and the multi-point coordinated resource management set (CRMS; CoMP Resource Management Set).

In particular, a coordinated set of coordinated points in a multi-point coordination can directly participate in actual data transmission on time-frequency resources, or as a candidate transmission point to participate in user scheduling/beamforming decisions on time-frequency resources. Thereby indirect data transmission. The multi-point coordinated transmission set is a subset of the cooperative set, wherein the transmission point directly transmits data to the user equipment. And according to different types of coordinated coordination schemes, the transmission points in the transmission set have different definitions. For joint transmission (JT), the transmission point of the transmission set may include multiple transmission points in a cooperative set on each subframe of a certain time-frequency resource; and for coordinated scheduling/beamforming ( CS/CB; Coordinated Scheduling/Beamforming), Dynamic Point Selection (DPS), and Semi-Static Point Selection (SSPS), a single transmission point in the transmission set is used for certain time-frequency resources. One of the transmission points in the collaboration set on each sub-frame. The multi-point coordinated measurement set is a set of channel state information-CSI Reference Signal (CSI-RS) resources that the user equipment needs to feedback channel state information (CSI; Channel State Information). For the definition, see clause 5.2.2 of Agreement 36.819. The multi-point coordinated resource management set is a set of CSI-RS resources, and the user equipment needs to measure and report the reference signal receiving power (RSRP) of the CSI-RS resources.

The base station manages, assigns, or updates these differences according to different environments and requirements. The multi-point coordination related set, and how to achieve low transmission burden and power consumption is bound to become a problem that needs to be solved in the coordinated development of multiple points.

The method and apparatus for managing a multipoint coordination correlation set according to an embodiment of the present invention can solve the above problems.

It should be noted that due to the development of technology and the updating of standards, components with the same function often have multiple different names. The terminology used in the application of the present invention is to explain and demonstrate the technical solutions of the present invention, and should be based on the functions recognized in the technical field, and can not be interpreted arbitrarily by the similarities and differences of the names.

1 shows a flow chart of a method for managing a coordinated multi-point correlation set on a terminal side according to an embodiment of the present invention. It should be noted that the order in which the steps of the flowchart are described is not to be in the order of the actual application, and should not be construed as limiting the invention. Similarly, other method steps involved in the present invention are also the same.

2 shows a block diagram of a device, such as user device 20, for managing a multipoint coordinated correlation set on the terminal side in accordance with an embodiment of the present invention.

A method for managing a multi-point coordinated correlation set on the side of the user equipment 20 according to an embodiment of the present invention will be described in detail below with reference to FIGS.

In the multi-point coordination, the network side, for example, the base station, allocates different types of sets to the user equipment 20, that is, a multi-point coordinated cooperative set, a multi-point coordinated transmission set, a multi-point coordinated measurement set, and multi-point coordination. Resource management set.

In step 10, the reference signal received power measuring device 22 of the user equipment 20 measures the reference signal received power of the CSI-RS resources in the multi-point coordinated resource management set. At step 12, the reference signal received power reporting means 24 of the user equipment 20 reports the reference signal received power of the measured CSI-RS resources to the network side. The network side evaluates the measurement report after receiving the measurement report. If it is determined that the measured reference signal received power is higher than a certain threshold, the CSI-RS resource is added to the multi-point coordinated measurement set and the relevant is sent. Signaling. In an embodiment, the signaling is radio resource control signaling (RRC; Radio Resource Control). Next, in step 14, the communication receiving device 26 of the user equipment 20 receives, from the network side, the transmission of the CSI-RS resource to the multi-point coordinated measurement set. However, in step 16, according to an embodiment of the present invention, the reference signal received power measuring device 22 continues to measure the reference signal receiving power of the CSI-RS resource even if the CSI-RS resource is added to the multi-point coordinated measurement set. And report to the network side. The network side still receives power based on the reference signal of the CSI-RS resource when managing the measurement set, once the reference signal received power of the CSI-RS resource is lower than a predetermined threshold, or lower than the reference CSI-RS. The predetermined threshold of the resource, the CSI-RS resource is removed from the multi-point coordinated measurement set. The reference CSI-RS resource may be specified by the base station or by the user equipment 20 itself. According to another embodiment of the present invention, the network side manages the measurement set based on the channel state information of the CSI-RS resource, thereby avoiding unnecessary power loss and reporting burden on the uplink. That is, after receiving the transmission of adding the CSI-RS resource to the multi-point coordinated measurement set, the reference signal received power measuring device 22 stops measuring the reference signal received power added to the CSI-RS resource of the measurement set.

Accordingly, FIGS. 3 and 4 are respectively a method and apparatus for managing a coordinated multi-point correlation set on the network side according to an embodiment of the present invention. 3 is a flowchart showing a method for managing a multipoint coordination correlation set by a network side according to another embodiment of the present invention, and FIG. 4 is a diagram showing a device for managing a multipoint coordination correlation set by a network side according to another embodiment of the present invention. , such as the block diagram of the base station 40.

In step 30, the measurement report receiving device 42 of the base station 40 receives the measurement report of the reference signal received power of the CSI-RS resource in the multi-point coordinated resource management set from the reference signal received power reporting device 24 of the user base station 20. And in step 32, the determining device 44 determines whether to send a signal to add the CSI-RS resource to the multi-point coordinated measurement set based on the received measurement report. For example, if the determining device 44 determines that the measured reference signal received power is above a certain threshold, the CSI-RS resource is added to the multi-point coordinated measurement set and the associated signaling is sent. In step 34, according to an embodiment of the present invention, even if the CSI-RS resource is added to the multi-point coordinated measurement set, the measurement report receiving device 42 continues from the measurement set. The user equipment 20 receives the measurement report of the reference signal received power of the CSI-RS resource. The base station 40 still receives power based on the reference signal of the CSI-RS resource when managing the measurement set, once the reference signal received power of the CSI-RS resource is lower than a predetermined threshold, or lower than the reference CSI- The predetermined threshold of the RS resource, the multi-point coordinated measurement set removes the CSI-RS resource and sends a radio resource control signaling to notify the user equipment. According to another embodiment of the present invention, after the CSI-RS resource is added to the multi-point coordinated measurement set, the measurement report receiving device 42 no longer receives the measurement report of the reference signal received power of the CSI-RS resource. The base station 40 manages the measurement set based on channel state information of the CSI-RS resource, thereby avoiding unnecessary power loss and reporting burden on the uplink.

According to various embodiments of the present invention, stopping the measurement of the reference signal received power of the CSI-RS resource may be performed by the radio resource control signaling sent by the network side to indicate that the user equipment 20 is stopped, or automatically stopped by the user equipment 20. In particular, according to an embodiment of the present invention, the signaling sent by the base station 40 to add the CSI-RS resource to the multi-point coordinated measurement set is a radio resource control signaling, and the radio resource control signaling includes whether The resource management centrally removes the indication of the CSI-RS resource. For example, the indication value is set to 0, that is, the CSI-RS resource is removed from the resource management set, and the user equipment 20 stops measuring and reporting the reference signal receiving power of the CSI-RS resource accordingly; Set to 1, indicating that the CSI-RS resource is reserved in the resource management set, and the user equipment 20 will continue to measure and report the reference signal received power of the CSI-RS resource. According to another embodiment of the present invention, the user equipment 20 is not controlled by the base station 40, and automatically stops measuring the reference signal received power of the CSI-RS resource. After receiving the radio resource control signaling for allocating CSI-RS resources to the measurement set, the user equipment 20 further checks whether the CSI-RS resource belongs to the multi-point coordinated resource management set. For the CSI-RS resource added to the measurement set from the multi-point coordinated resource management set, if the reference CSI-RS resource is provided, the user equipment 20 also checks whether the CSI-RS resource is a reference CSI-RS resource. . If the CSI-RS resource is a reference CSI-RS resource, the user equipment 20 may choose not to stop measuring the CSI-RS resource. The signal received power is measured, or the reference signal received power of the CSI-RS resource is stopped after the new reference CSI-RS resource is set.

In addition, with the further development of multi-point coordination technology, multi-point coordination based on secondary cells (Scell) has become possible. The so-called secondary cell explains the Pico cell in scenario 3 in multi-point coordination from the perspective of carrier aggregation (CA; Carrier Aggregation). In the case of carrier aggregation, the macro cell in the scenario 3 of the multipoint coordination is the primary cell (Pcell), and the micro cell is the secondary cell. Since the secondary cell in the resource management set may be activated or not activated, currently only the channel state information of the activated secondary cell is supported; once the CSI-RS resource to be added to the measurement set belongs to the unstarted time For the cell, how to measure and feedback the channel status information is a problem that must be solved. To solve this problem, one way is to wait for the base station side to send a Medium Access Control-Control Element (MAC CE; Medium Access Control-Control Element) to initiate the secondary cell, but the non-instantaneous characteristics of the MAC CE signaling determine this. The situation will delay the channel state information feedback of the user equipment 20, thereby affecting the scheduling process of the base station 40. According to an embodiment of the present invention, the base station 40 does not need to send the MAC CE signaling, and the user equipment 20 receives the CSI-RS resource belonging to the secondary cell that is not activated by the base station 40 to the radio of the measurement set. After the resource control signaling, the CSI-RS resource is measured immediately regardless of whether the secondary cell is activated.

On the other hand, since the correlation set of various multipoint coordinations is dynamically or semi-statically changed, the base station 40 needs to notify the user equipment 20 accordingly. In order for the user equipment 20 to clearly distinguish each CSI-RS resource or transmission point in the correlation set, when the CSI-RS resource from the resource management set is added to the multi-point coordinated measurement set, the base station 40 is The CSI-RS resource assigns a new identifier, which in one embodiment is different from the identifier of the CSI-RS resource in the resource management set. In this way, the user equipment 20 can clearly understand whether the CSI-RS resource newly added to the measurement set is a self-managed resource management set. By setting a new identifier, the radio resource control signaling can be removed from the multipoint coordination measurement set. CSI-RS resources, thus saving the burden of signaling. On the other hand, the identifier also distinguishes the dynamically selected transmission point based on the carrier indication field of the physical downlink control channel (PDCCH (Physical Downlink Control Channel) of each transmission time interval (TTI). In addition, the identifier can also be used for multi-point coordinated collaboration set and transmission set management, adding or removing transmission points to the collaboration set and the transport set.

In the management of coordinated sets and transmission sets for coordinated multi-point, PDCCH or MAC CE signaling is used to determine the update frequency of such sets. According to an embodiment of the present invention, if the cooperation set and/or the transmission set change every transmission time interval, the content of the transmission point in the cooperation set and/or the transmission set may be identified by using the PDCCH, and the PDCCH needs multiple carrier indication columns. The bits carry all of the information assigned to the collaboration set and/or transport set of the user device 20. Each carrier indication field indicates a CSI-RS resource identifier in a measurement set. According to another embodiment of the invention, the set of cooperation and/or the set of transmissions are not changed for each transmission time interval, but are changed in a semi-static manner. At this time, MAC CE signaling can be used for multi-point coordinated collaboration set and transmission set management. When the user equipment 20 receives the MAC CE signaling, the cooperation set and/or the transmission set will not change until the next MAC CE signaling is received. The MAC CE signaling may be in the form of a bit mapping or contain a specific identifier. Media Access Control - Control Elements. At this time, the base station 40 may further include a medium access control-control element transmitting means 46 that transmits a medium access control-control element to allocate a multi-point coordinated cooperative set/multipoint coordinated transmission set. When using a bit map, each bit represents a transmission point, or based on the measurement set identifier index information or based on the measurement set identifier index order information. Accordingly, the user device 20 further includes a media access control-control element receiving device 28 that receives the media access control-control element.

The management method and device for multi-point coordination related set of the invention solves a series of problems of management, allocation and update of different correlation sets in the development of multi-point technology, and this situation is beneficial to further promotion and application of multi-point coordination.

The technical content and technical features of the present invention have been disclosed as above, however, without departing from the present invention In the case of the spirit of the present invention, various alternatives and modifications can be made by those skilled in the art based on the teachings of the present invention. Therefore, the scope of the present invention is not limited by the scope of the invention, and various alternatives and modifications may be included without departing from the scope of the invention.

Claims (34)

A method for managing a coordinated multi-point set; the method comprising: measuring a reference signal received power of a channel state information-reference signal (CSI-RS) resource in a multi-point coordinated resource management set; reporting the measured CSI-RS Receiving power of the reference signal of the resource; receiving a signal for adding the CSI-RS resource to the multi-point coordinated measurement set; and continuing to measure after the CSI-RS resource is added to the multi-point coordinated measurement set The reference signal of the CSI-RS resource receives power. The method of claim 1, further comprising: after the CSI-RS resource is added to the multi-point coordinated measurement set, stopping measuring the reference signal received power of the CSI-RS resource. The method of claim 2, wherein the reference signal receiving power for stopping measuring the CSI-RS resource is a radio resource control signaling sent by the base station to indicate that the user equipment is stopped, or is stopped by the user equipment. The method of claim 3, wherein if the CSI-RS resource is a reference CSI-RS resource, the user equipment does not stop measuring the reference signal received power of the CSI-RS resource, or sets a new reference CSI-RS. The measurement is stopped after the resource is used. The method of claim 1 or 2, wherein even if the CSI-RS resource belongs to an unactivated secondary cell, the CSI is still measured and fed back when the CSI-RS resource is added to the multi-point coordinated measurement set. Channel status information for RS resources. The method of claim 1 or 2, wherein if the CSI-RS resource belongs to an unactivated secondary cell, the channel state information of the CSI-RS resource is not measured until after receiving the signaling of the secondary cell is started. . The method of claim 1 or 2, further comprising receiving a media access control-control element to allocate a multi-point coordinated collaborative set/multipoint coordinated transmission set. The method of claim 7, wherein the media access control-control element can be in the form of a bit map or a media access control-control element containing a particular identifier. A method for managing a multi-point coordinated correlation set; the method comprising: receiving a measurement report of a reference signal received power of a channel state information-reference signal (CSI-RS) resource in a resource management set of multi-point coordination; based on the received amount The measurement report determines whether to send a signal to add the CSI-RS resource to the multi-point coordinated measurement set; and continues to receive the CSI even if the CSI-RS resource is added to the multi-point coordinated measurement set. A measurement report of the reference signal received power of the RS resource. The method of claim 9, further comprising, after adding the CSI-RS resource to the multi-point coordinated measurement set, no longer receiving the measurement report of the reference signal received power of the CSI-RS resource. The method of claim 10, further transmitting a radio resource control signaling to instruct the user equipment to stop measuring the reference signal received power of the CSI-RS resource. The method of claim 9, further comprising, after adding the multi-point coordinated measurement set, if the reference signal received power of the CSI-RS resource is lower than a predetermined threshold or lower than a reference CSI-RS The predetermined threshold of the resource, the CSI-RS resource is removed from the multi-point coordinated measurement set and the radio resource control signaling is sent to notify the user equipment. The method of claim 9 or 10, wherein the CSI-RS resource receives the CSI-RS resource when the CSI-RS resource is added to the multi-point coordinated measurement set, even if the CSI-RS resource belongs to the unactivated secondary cell. Feedback on channel status information. The method of claim 9 or 10, wherein if the CSI-RS resource belongs to an unactivated secondary cell, the initiation of the transmission is first sent, and then the feedback of the channel status information of the CSI-RS resource is received. The method of claim 9 or 10, further comprising adding to the coordinated amount of the multipoint When the set is measured, an identifier is assigned to the CSI-RS resource. The method of claim 9 or 10, further comprising transmitting a media access control-control element to allocate a multi-point coordinated collaborative set/multipoint coordinated transmission set. The method of claim 16, wherein the media access control-control element can be in the form of a bit map or a media access control-control element containing a particular identifier. A user equipment for managing a multi-point coordinated correlation set; the user equipment includes: a reference signal receiving power measuring device that measures a channel state information-reference signal (CSI-RS) resource in a multi-point coordinated resource management set a reference signal received power; a reference signal received power reporting device that reports a reference signal received power of the measured CSI-RS resource; and a signaling receiving device that receives the amount of the CSI-RS resource added to the coordinated multipoint coordination The signaling of the measurement; wherein after the CSI-RS resource is added to the multi-point coordinated measurement set, the reference signal receiving power device continues to measure the reference signal received power of the CSI-RS resource. The user equipment of claim 18, after the CSI-RS resource is added to the multi-point coordinated measurement set, the reference signal receiving power device stops measuring the reference signal received power of the CSI-RS resource. The user equipment of claim 19, wherein the reference signal receiving power for stopping measuring the CSI-RS resource is a radio resource control signaling sent by the base station to indicate that the user equipment is stopped, or is automatically stop. The user equipment of claim 18, wherein if the CSI-RS resource is a reference CSI-RS resource, the user equipment does not stop transmitting the measurement report of the reference signal received power of the CSI-RS resource, or sets a new one. The measurement report is stopped after referring to the CSI-RS resource. The user equipment of claim 18 or 19, wherein the CSI-RS resource is measured and fed back when the CSI-RS resource is added to the multi-point coordinated measurement set, even if the CSI-RS resource belongs to the unactivated secondary cell. Channel status information for CSI-RS resources. The user equipment of claim 18 or 19, wherein if the CSI-RS resource belongs to an unactivated secondary cell, the channel for measuring the CSI-RS resource is not measured until the signaling of the secondary cell is initiated. Status information. The user equipment of claim 18 or 19, further comprising media access control-control element receiving means for receiving the media access control-control element to allocate a multi-point coordinated cooperative set/multipoint coordinated transmission set. The user device of claim 24, wherein the media access control-control element can be in the form of a bit map or media access control containing a particular identifier. Control element. A base station for managing a coordinated multi-point set; the base station includes: a measurement report receiving device that receives a reference signal received power of a channel state information-reference signal (CSI-RS) resource in a multi-point coordinated resource management set a measurement report; and a determining device, based on the received measurement report, determining whether to send a signal to add the CSI-RS resource to the multi-point coordinated measurement set; wherein the CSI-RS resource is added to the The multi-point coordinated measurement set, the measurement report receiving device still continues to receive the measurement report of the reference signal received power of the CSI-RS resource. The base station of claim 26, wherein after the CSI-RS resource is added to the multi-point coordinated measurement set, the measurement report receiving apparatus no longer receives the measurement of the reference signal received power of the CSI-RS resource. report. The base station of claim 27 further transmits a radio resource control signaling to instruct the user equipment to stop measuring the reference signal received power of the CSI-RS resource. The base station of claim 26, wherein after adding to the multi-point coordinated measurement set, If the reference signal received power of the CSI-RS resource is lower than a predetermined threshold or lower than a predetermined threshold compared to the reference CSI-RS resource, the CSI-RS is removed from the multi-point coordinated measurement set. The resource and the radio resource control signaling are sent to notify the user equipment. The base station of claim 26 or 27, wherein even if the CSI-RS resource belongs to an unactivated secondary cell, the CSI-RS resource is still received when the CSI-RS resource is added to the multi-point coordinated measurement set. Channel status information feedback. The base station of claim 26 or 27, wherein if the CSI-RS resource belongs to an unactivated secondary cell, the initiation of the transmission is first sent, and then the channel status information of the CSI-RS resource is received. A base station as claimed in claim 26 or 27, wherein the CSI-RS resource is assigned an identifier when added to the multipoint coordinated measurement set. The base station of claim 26 or 27, further comprising media access control-control element transmitting means for transmitting a media access control-control element to allocate a multi-point coordinated cooperative set/multipoint coordinated transmission set. The base station of claim 33, wherein the media access control-control element can be in the form of a bit map or a media access control-control element containing a particular identifier.