CN107371194A - Method for obligating resource, resource determining method, base station and mobile station - Google Patents
Method for obligating resource, resource determining method, base station and mobile station Download PDFInfo
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- CN107371194A CN107371194A CN201610317892.7A CN201610317892A CN107371194A CN 107371194 A CN107371194 A CN 107371194A CN 201610317892 A CN201610317892 A CN 201610317892A CN 107371194 A CN107371194 A CN 107371194A
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- resource
- base station
- mobile station
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- aperiodic csi
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment provides a kind of method for obligating resource, resource determining method, base station and mobile station.Method for obligating resource according to embodiments of the present invention is performed by base station, including：It is determined that and reserve time resource and the resource distribution of frequency resource that the base station can be used in sending aperiodic channel status information (CSI) measuring reference signal (RS), wherein time resource periodic distribution in time；The configuration information of resource distribution determined by generation instruction；And the mobile station into the base station subordinate cell sends the configuration information, it can be used in sending the measuring RS of aperiodic CSI scope of resource according to the configuration information in the base station subordinate cell to cause the mobile station in the base station subordinate cell to obtain.
Description
Technical field
The present invention relates to wireless communication field, and it is specifically related to what can be used in a wireless communication system
Method for obligating resource, resource determining method, base station and mobile station.
Background technology
LTE system follow-on system (for example, otherwise referred to as LTE-Advanced or
LTE-Advanced Pro) in, the spatial character of channel is measured in the user terminal, and will
Measurement result feeds back to wireless base station in the form of channel condition information (CSI) becomes important all the more.
In LTE follow-on system (for example, Release 10), it is proposed that use channel state information reference signals
(Channel State Information-Reference Signal, RS) is as measuring channel status letter
Cease the reference signal of (Channel State Information, CSI).Used for example, base station is sent to mobile station
In the RS of the mobile station, to cause mobile station to carry out CSI measurements and return measurement result according to the RS.
On the other hand, full dimension multiple-input and multiple-output (Full Dimensional MIMO, FD-MIMO) and
Extensive multiple-input and multiple-output (Massive MIMO) antenna is that (third generation affiliate counts in 3GPP
Draw) Radio Transmission Technology that proposes in LTE (Long Term Evolution) Release 13 of research.With it is traditional
Mimo system is compared, in FD-MIMO and extensive mimo system, when the data of mobile station increase
Added-time, base station can be carried out data transmission using more antennas, to improve throughput of system.Though however,
So with the increase of antenna amount, the expense for the control signaling required for RS is consequently increased.
In order to improve the accuracy of measurement while the expense of the control signaling required for reducing RS,
Channel status is determined by periodicity CSI measurements and aperiodicity CSI measurements jointly through having provided
Method.However, in current aperiodic CSI measurements, need to carry out aperiodic measurement for each
Mobile station carries out the resource distribution for sending the measuring RS of aperiodic CSI, and this causes with needs
The mobile station increase of aperiodic CSI measurements is carried out, the expense of the control signaling of downlink also dramatically increases.
Further, since aperiodic CSI measuring RS are used when generally taking up when being sent and do not send the signal
In physical downlink control channel (Physical Downlink Control Channel, PDCCH) channel
Resource or for Physical Downlink Shared Channel (Physical Downlink Shared Channel, PDSCH)
Channel resource, therefore even if need not carry out aperiodic CSI measurements be also required to aperiodic CSI survey
Sending for the RS of amount carries out corresponding rate-matched.
The content of the invention
According to an aspect of the invention, there is provided a kind of method for obligating resource performed by base station, including：
It is determined that and reserve the base station can be used in send aperiodic channel status information (CSI) measuring reference
The time resource of signal (RS) and the resource distribution of frequency resource, wherein the time resource is in time
Periodic distribution；The configuration information of resource distribution determined by generation instruction；And to the base station subordinate
Mobile station in cell sends the configuration information, to cause the mobile station root in the base station subordinate cell
Obtained according to the configuration information measuring for sending aperiodic CSI in the base station subordinate cell
RS scope of resource.
According to another aspect of the present invention, there is provided a kind of resource determining method performed by mobile station,
Including：Configuration information is received from base station；And determined according to the configuration information small in the base station subordinate
Be used to send the measuring RS of aperiodic CSI scope of resource in area, wherein the time resource when
Between upper periodic distribution.
According to another aspect of the present invention, there is provided a kind of base station, including：Resource configuration unit, match somebody with somebody
It is set to determination and reserves and can be used in sending aperiodic channel status information (CSI) measuring reference signal
(RS) time resource and the resource distribution of frequency resource, wherein time resource cycle in time
Property distribution；Information generating unit, it is configured to the configuration information of resource distribution determined by generation instruction；With
And transmitting element, the mobile station being configured into the base station subordinate cell send the configuration information, with
So that the mobile station in the base station subordinate cell is small in the base station subordinate according to configuration information acquisition
It is used for the scope of resource for sending the measuring RS of aperiodic CSI in area.
According to another aspect of the present invention, there is provided a kind of mobile station, including：Receiving unit, configuration
To receive configuration information from base station；Scope determining unit, it is configured to be determined in institute according to the configuration information
State and be used for the scope of resource for sending the measuring RS of aperiodic CSI in the subordinate's cell of base station, wherein described
Time resource periodic distribution in time.
According to method for obligating resource, resource determining method, base station and the mobile station of the above-mentioned aspect of the present invention,
Determine and be reserved in the cell to be used to send the measuring RS of aperiodic CSI for base station subordinate's cell
Scope of resource, each mobile station wherein in base station subordinate cell when carrying out aperiodic CSI measurements,
The RS sent using at least part resource in the scope of resource can be received.So as to reduce the control of downlink
, also can be according to reserved resource without the aperiodic CSI mobile stations measured while the expense of signaling processed
Scope carries out signaling/data receiver, and simplifies rate-matched.
Brief description of the drawings
Embodiments of the present invention is described in detail in conjunction with the accompanying drawings, above and other mesh of the invention
, feature, advantage will become apparent.
Fig. 1 is the flow chart for showing the method for obligating resource performed by base station.
Fig. 2 is to show an example according to the present invention, it is determined that and reserved time resource and frequency money
The schematic diagram of the resource distribution in source.
Fig. 3 is to show an example according to the present invention, and existing in the subordinate's cell of base station needs simultaneously
In the case of the multiple mobile stations for sending the measuring RS of aperiodic CSI, multiple mobile stations can be used
Different frequency resource blocks sends the measuring RS of aperiodic CSI schematic diagram.
Fig. 4 is to show an example according to the present invention, and each mobile station uses in a user's group
The schematic diagram of RS ports.
Fig. 5 is the flow chart for showing resource determining method according to an embodiment of the invention.
Fig. 6 is the flow chart for showing aperiodic CSI measurement method according to an embodiment of the invention.
Fig. 7 is the block diagram for showing base station according to embodiments of the present invention.
Fig. 8 is the block diagram for showing mobile station according to embodiments of the present invention.
Embodiment
Method for obligating resource according to embodiments of the present invention, resource determination side described below with reference to accompanying drawings
Method, base station and mobile station.In the accompanying drawings, identical reference number represents identical element from beginning to end.
It should be understood that：The embodiments described herein is merely illustrative, and is not necessarily to be construed as the limitation present invention
Scope.In addition, UE described here can include various types of user terminals, for example, it is mobile whole
(or being mobile station) or fixed terminal are held, however, for convenience, hereinafter sometimes may be used
UE and mobile station is used interchangeably.
Embodiments of the invention improve the resources employment methods for sending the aperiodic measuring RS of CSI.
Embodiments of the invention are described next, with reference to accompanying drawing.
Hereinafter, reference picture 1 describes according to embodiments of the present invention aperiodic for sending by base station execution
The measuring RS of CSI method for obligating resource.In an embodiment according to the present invention, base station can have bag
Aerial array containing multiple antenna ports.Fig. 1 shows that resource according to an embodiment of the invention is pre-
Stay the flow chart of method 100.As shown in figure 1, in step S101, it is determined that and reserved base station can use
In the time resource for sending aperiodic measuring RS of CSI and the resource distribution of frequency resource, wherein when
Between resource periodic distribution in time.For example, base station can be sent in specific sub-frame (subframe)
The aperiodic measuring RS of CSI.According to the example of the present invention, it is measuring to send aperiodic CSI
RS specific sub-frame can continuous arrangement in time.Alternatively, according to another example of the present invention, hair
Predetermined time interval can be had by sending between the measuring RS of aperiodic CSI specific sub-frame.For example, hair
4 subframes can be spaced between the measuring RS of aperiodic CSI specific sub-frame by sending.
In addition, in the scope of resource for determining and reserving, frequency resource corresponding with same time resource
Occupy the part or all of bandwidth of the base station.Specifically, whole bandwidth that base station can use can be divided
For multiple frequency resource blocks.According to the example of the present invention, frequency money corresponding with same time resource
The part or all of bandwidth that source occupies base station can refer to frequency resource corresponding with same time resource and include
Frequency resource block coverage base station part or all of bandwidth.In addition, each frequency resource block may include it is more
Individual frequency resource elements.According to the example of the present invention, in each frequency resource, part can be used
Frequency resource elements send the measuring RS of aperiodic CSI.
Fig. 2 is to show an example according to the present invention, it is determined that and reserved time resource and frequency money
The schematic diagram of the resource distribution in source.In the illustrated example shown in fig. 2, by each specific son every 4 subframes
Frame (that is, subframe 210-01,210-06,210-10 shown in Fig. 2) is defined as base station and can be used in
Send the measuring RS of aperiodic CSI time resource.In addition in the illustrated example shown in fig. 2, each
It can be used in sending the frequency resource block coverage base station corresponding to the measuring RS of aperiodic CSI subframe
Whole bandwidth.That is, in each son that can be used in sending the measuring RS of aperiodic CSI
Frame, base station can use multiple frequency resource blocks of whole bandwidth of coverage base station to send aperiodic CSI and survey
The RS of amount.In addition, as shown in the oblique line portion in Fig. 2, in each frequency resource block, can be used
8 frequency resource elements send the aperiodic measuring RS of CSI.
Fig. 1 is returned, in step s 102, the configuration information of resource distribution determined by generation instruction.So
Afterwards, in step s 103, the mobile station into base station subordinate's cell sends the configuration information, to cause
Mobile station in the subordinate's cell of base station obtains non-for sending in the subordinate's cell of the base station according to configuration information
The measuring RS of cycle CSI scope of resource.According to the example of the present invention, to base station subordinate
Each mobile station in cell sends time resource and frequency used in the aperiodic measuring RS of CSI
Resource can be included in the scope of resource (being further described later to this).In other words, according to resource
The reserved scope of resource that can be used in sending the measuring RS of aperiodic CSI of method for obligating can be small
Area is specific.
, can be quiet by wireless heterogeneous networks (RRC) signaling static state or half according to the example of the present invention
State into base station subordinate's cell mobile station send configuration information.So as to access base station subordinate's cell
Each mobile station can obtain the resource that common base station can be used in sending the measuring RS of aperiodic CSI
Scope.
In addition, it is contemplated that aperiodic CSI measurements are based on entering for the measurement result of cycle CSI measurements
One step surveying, therefore according to the example of the present invention, can be in the cycle in aperiodic CSI measurements
The antenna port for being used to send RS reserved on the basis of the measurement result of CSI measurements using base station is (following
Referred to as " RS ports ") in a part, without non-to send using base station whole antenna port
The measuring RS of cycle CSI.Specifically, the method shown in Fig. 1 may also include determining that non-for sending
The quantity of the measuring RS of cycle CSI antenna port, wherein the quantity of identified antenna port is small
Sum in the RS ports reserved in base station.For example, the aerial array for 32 antenna ports can be used
The base station of data is sent to mobile station, it may be determined that aperiodic CSI is sent using 4 ports or 8 ports and is surveyed
The RS of amount.In addition base station can generate port number configured information, and sending aperiodic CSI with instruction measures
RS port number, and send the port number configured information to mobile station.
In the method for obligating resource according to above example of the present invention, determined simultaneously for base station subordinate's cell
It is reserved in and is used for the scope of resource for sending the measuring RS of aperiodic CSI in the cell, wherein under base station
Belong to each mobile station in cell when carrying out aperiodic CSI measurements, can receive using in the scope of resource
The RS that at least part resource is sent.So that while the expense of control signaling of downlink is reduced, no
The mobile station for carrying out aperiodic CSI measurements can also connect according to reserved scope of resource to carry out signaling/data
Receive, and simplify rate-matched.
In addition, after resource reservation has been carried out, base station can be used resource in reserved scope of resource to
One or more mobile stations in the subordinate's cell of the base station send the aperiodic measuring RS of CSI.Specifically,
Method shown in Fig. 1 may also include：According to the configuration information, using same time resource to described
It is aperiodic that each mobile station in one or more mobile stations in the subordinate's cell of base station sends the mobile station
The measuring RS of CSI.As described above, according to the example of the present invention, the reserved hair in base station can be used
The section ports in RS multiple antenna ports are sent to send the aperiodic measuring RS of CSI to mobile station.
In the case, in the quantity that the antenna port for sending the measuring RS of aperiodic CSI is determined
Afterwards, the antenna port of quantity, small to the base station subordinate in same time resource determined by can be used
One or more mobile stations in area send the aperiodic CSI of each mobile station in one or more described mobile stations
Measuring RS.
According to the example of the present invention, needs in the subordinate's cell of base station be present while send aperiodic
In the case of the measuring RS of CSI multiple mobile stations, multiple mobile stations can be used identical or different
Antenna port sends the measuring RS of aperiodic CSI.
For example, the method shown in Fig. 1 may also include is divided into multiple antennas by the RS ports that base station is reserved
Port set, wherein the RS ports included in each antenna port group are at least partly different, and each day
The quantity of the RS ports included in line port set is identified measuring for sending aperiodic CSI
The quantity of RS antenna port.In addition, the method shown in Fig. 1 may also include in the subordinate's cell of base station
The multiple mobile stations for needing to send the measuring RS of aperiodic CSI simultaneously are divided into multiple user's groups, wherein
Each user's group may include one or more mobile stations, and can distribute each user's group different antennas
Port set.So as to when sending the measuring RS of aperiodic CSI, can to each user's group, using point
The antenna port group of the dispensing user's group, sent in mobile station of the same time resource into each user's group
The measuring RS of each aperiodic CSI of mobile station.Alternatively, also can not be to being moved in the subordinate's cell of base station
Dynamic platform is grouped, and directly for the different RS of each mobile station distribution antenna end.
In addition, according to another example of the present invention, can also be to each mobile station distribution in multiple mobile stations
From same time resource corresponding to resource block different in frequency resource.So as to send aperiodic CSI surveys
During the RS of amount, to each user, the resource block for distributing to the user can be used, provided in the same time
Source sends the measuring RS of each aperiodic CSI of mobile station to each mobile station.By making to different user
The aperiodic measuring RS of CSI are sent with different antenna beams and different frequency resource blocks, can be reduced
The aperiodic measuring RS of CSI transmission density, so as to reduce for the measuring RS of aperiodic CSI
Downlink overhead.In addition, in the case where being grouped as described above to multiple mobile stations, also may be used
In units of user's group, different resource blocks is distributed each user's group.
Fig. 3 is to show an example according to the present invention, and existing in the subordinate's cell of base station needs simultaneously
In the case of the multiple mobile stations for sending the measuring RS of aperiodic CSI, multiple mobile stations can be used
Different frequency resource blocks sends the measuring RS of aperiodic CSI schematic diagram.It is similar with Fig. 2,
In the example depicted in fig. 3, each specific sub-frame every 4 subframes is defined as into base station to can be used in sending out
Aperiodic CSI measuring RS time resources are sent, and each can be used in sending aperiodic CSI
Whole bandwidth of frequency resource block coverage base station corresponding to measuring RS subframe.In addition, in Fig. 3
In shown example, the RS ports that base station is reserved are divided into 2 antenna port groups, and in each energy
It is enough in the frequency resource corresponding to the subframe for sending the aperiodic measuring RS of CSI, frequency is provided
Source block is divided into 2 groups (being shown with grey and black), and a class frequency resource block is distributed to each user's group.
In Fig. 3, divided frequency resource block group is shown with different Shadow marks.As shown in figure 3,3
The frequency resource block included in individual frequency resource block group is alternately arranged over the whole width.
In addition, as described above, may include multiple frequency resource elements in each frequency resource block, and
In each frequency resource, component frequency resource element can be used usually to send the measuring RS of aperiodic CSI.
Each element in the component frequency resource element can be with distributing to the antenna of the frequency resource block where it
Each antenna end in port set is corresponding.In other words, can be used each in the component frequency resource element
Individual member usually sends the RS for different antennae port in an antenna port group.Include in each user's group more
In the case of individual mobile station, each mobile station is measurable to be sent using identical or different frequency resource elements
RS.That is, in a user's group, non-week is sent for each mobile station into the user's group
The measuring RS of phase CSI antenna port is identical or different.
Fig. 4 is to show an example according to the present invention, and each mobile station uses in a user's group
The schematic diagram of RS ports.Specifically, Fig. 4 is the enlarged drawing of the frequency resource block 310 shown in Fig. 3.
As shown in figure 4, in frequency resource block 310,8 frequency resource elements can be used to send aperiodic CSI
Measuring RS.Specifically, this 8 frequency resource elements can be divided into first resource element group 310-1 and
Secondary resource element group 310-2.The preliminary channel information for the mobile station that base station obtains before, it may be determined that
Mobile station 311-1,311-2 carries out aperiodic CSI to the RS sent by first resource element group 310-1
Measurement, determines mobile station 311-3 to by first resource element group 310-1 and Secondary resource element group 310-2
The RS of transmission carries out aperiodic CSI measurements, and determines mobile station 311-4 to by Secondary resource element
The RS that group 310-2 is sent carries out aperiodic CSI measurements.Thus, in the example depicted in fig. 4, one
At least part identical RS ports can be used to carry out aperiodic CSI measurements for multiple mobile stations in user's group,
This further reduces the downlink overhead for the measuring RS of aperiodic CSI.
For example, base station can notify mobile station specifically aperiodic CSI measurement configuration informations, example to mobile station
RS ports used in user grouping, the mobile station as where the mobile station, and/or the mobile station institute
Frequency resource elements etc. corresponding to the RS ports used.
Further according to another example of the present invention, in order that obtaining mobile station carries out aperiodic CSI measurements, base
Stand can also send aperiodic CSI to mobile station measures trigger signal.Specifically, the method shown in Fig. 1
May also include determining that to whether there is in the mobile station in the subordinate's cell of base station needs to carry out aperiodic CSI measurements
Target MS；And when target MS being present, sending aperiodic CSI to target MS and surveying
Trigger signal (for example, aperiodic CSI measures request signal) is measured, to cause target MS according to triggering
Signal, aperiodic CSI measurements are carried out using the resource for the target MS in the reserved resource.
For example, when mobile station receives aperiodic CSI measurement trigger signal, mobile station can to the non-week
The RS that phase CSI measurements trigger signal is sent in identical subframe is measured and feedback measurement.Again
For example, when mobile station receives aperiodic CSI measurements trigger signal, mobile station can be believed according to the triggering
Number instruction, to being sent out in the specific sub-frame after the subframe where aperiodic CSI measurement trigger signal
The RS sent is measured and feedback measurement.In addition, mobile station can also receive trigger signal it
Before, the RS sent in the subframe before the subframe where the aperiodic CSI measurements trigger signal is entered
Row measurement, and when receiving trigger signal, feed back nearest measurement result.
In addition, for example when the channel status of mobile station is unstable, it is multiple that base station may indicate that mobile station is carried out
Aperiodic CSI measurements, and feed back this average measurements repeatedly measured.Movement is may indicate that in base station
In the case that platform carries out repeatedly aperiodic CSI measurements, frequency hopping can be used, i.e. for the mobile station
In different subframes RS is sent using different frequencies.So as to increase frequency gain.
Hereinafter, reference picture 5 describes the resource determining method according to embodiments of the present invention performed by mobile station.
Fig. 5 is the flow chart for showing resource determining method 500 according to an embodiment of the invention.Resource
Determine that method 500 is corresponding with the method for obligating resource 100 shown in Fig. 1.In addition, according to the present invention's
One example, performing the mobile station of resource determining method 500 can be attached to perform method for obligating resource
Any mobile station of 100 base station.
As shown in figure 5, in step S501, configuration information is received from base station.For example, RRC can be passed through
Signaling is static or semi-static from base station reception configuration information.Then in step S502, according to configuration information
It is determined that can be used in sending the measuring RS of aperiodic CSI scope of resource in the subordinate's cell of base station,
Wherein time resource periodic distribution in time.For example, the time resource in scope of resource can be special
Stator frame.According to the example of the present invention, in the money for sending the measuring RS of aperiodic CSI
Specific sub-frame in source range can continuous arrangement in time.Alternatively, according to the another of the present invention
Example, can between the specific sub-frame in the scope of resource for sending the measuring RS of aperiodic CSI
With predetermined time interval.For example, mobile station can determine that base station can be used in sending according to configuration information
4 subframes are spaced between the aperiodic measuring RS of CSI specific sub-frame.
In addition, in the scope of resource that mobile station determines, frequency resource corresponding with same time resource accounts for
The part or all of bandwidth for the base station being connected to according to the mobile station.Specifically, the whole that base station can use
Bandwidth can be divided into multiple frequency resource blocks.According to the example of the present invention, with same time resource pair
The part or all of bandwidth that the frequency resource answered occupies base station can refer to frequency corresponding with same time resource
The part or all of bandwidth for the frequency resource block coverage base station that resource includes.In addition, each frequency resource
Block may include multiple frequency resource elements.According to the present invention an example, in each frequency resource,
Base station, which may use, component frequency resource element can be used usually to send the measuring RS of aperiodic CSI.
The further survey of the measurement result of cycle CSI measurements is based in view of aperiodic CSI measurements
Amount, therefore according to the example of the present invention, in aperiodic CSI measurements, base station can be in cycle CSI
Antenna port (the following letter for being used to send RS reserved on the basis of the measurement result of measurement using base station
Referred to as " RS ports ") in a part, without sending non-week using base station whole antenna port
The measuring RS of phase CSI.In the case, the method shown in Fig. 5 may also include receives from mobile station
Port number information, and determine that base station is used to send aperiodic CSI measurements use according to port number information
RS antenna port quantity.
In the resource determining method according to above example of the present invention, the mobile station for being connected to base station can be true
Determine base station to determine and be reserved in measuring for sending aperiodic CSI in the cell for its subordinate's cell
RS scope of resource, each mobile station wherein in base station subordinate cell when carrying out aperiodic CSI measurements,
The RS sent using at least part resource in the scope of resource can be received.So as to which mobile station need not entered
Also with the hair of the measuring RS of aperiodic CSI for other mobile stations when the aperiodic CSI of row is measured
Send and carry out corresponding rate-matched.
In addition, according to the example of the present invention, after the scope of reserved resource is determined, mobile station
Trigger signal can be measured according to the aperiodic CSI sent from base station to use in above-mentioned scope of resource base station
The RS that sends of resource carry out aperiodic CSI measurements.Fig. 6 is to show a reality according to the present invention
Apply the flow chart of the aperiodic CSI measurement method 600 of example.
As shown in fig. 6, in step s 601, aperiodic CSI measurements trigger signal is received from base station.
Then in step S602, trigger signal is measured according to the aperiodic CSI, using in identified money
RS resources in source range for the mobile station receive the aperiodic measuring RS signals of CSI.For
The RS resources of mobile station are included in the scope of resource of the determination.For example, combined Fig. 3 above
It to be described in detail with Fig. 4, the RS ports that the base station is reserved can be divided into multiple antenna port groups by base station,
Different frequency resource blocks is distributed different antenna port groups, and will need to send aperiodic CSI simultaneously
Measuring RS multiple mobile stations are divided into multiple user's groups, and different RS is distributed for each user's group
Port.In addition, base station can notify the information on the user grouping where the mobile station to mobile station, close
In the information of RS ports used in the mobile station, and/or on RS ports used in the mobile station
Information of corresponding frequency resource elements etc..Mobile station can be according to these information in identified place cell
Reserved resource scope in further determine that RS resources corresponding to the mobile station, and using institute really
The fixed RS resources for the mobile station receive the aperiodic measuring RS signals of CSI.
According to another example of the present invention, mobile station measures trigger signal according to aperiodic CSI and determines to carry out
The timing of CSI measurements/feedback.For example, when mobile station receives aperiodic CSI measurements trigger signal,
Mobile station can be to surveying in the RS sent with the aperiodic CSI measurements trigger signal in identical subframe
Measure simultaneously feedback measurement.In another example when mobile station receives aperiodic CSI measurements trigger signal,
Mobile station can be according to the instruction of the trigger signal, in the son where the aperiodic CSI measurements trigger signal
The RS sent in specific sub-frame after frame is measured and feedback measurement.In addition, mobile station is also
Can be before trigger signal be received, to before the subframe where the aperiodic CSI measurements trigger signal
Subframe in the RS that sends measure, and when receiving trigger signal, feed back nearest measurement
As a result.
As described above, the different frequency money in the frequency resource of reserved scope of resource can be used in different mobile stations
Source block.According to another example of the present invention, the method shown in Fig. 6 may also include receives frequency resource letter
Breath, and the non-week in the scope of resource for the mobile station itself is determined according to frequency resource information
Resource block shared by the RS of phase CSI measurements.
In addition, for example when the channel status of mobile station is unstable, mobile station can also be according to the instruction of base station
Aperiodic CSI measurements are carried out repeatedly, and feed back this average measurements repeatedly measured.
Below, reference picture 7 describes base station according to embodiments of the present invention.Fig. 7 is shown according to this
The block diagram of the base station 700 of inventive embodiments.As shown in fig. 7, base station 700 include resource reservation unit 710,
Information generating unit 720 and transmitting element 730.In addition to these three units, base station 700 can be with
Including miscellaneous part, however, because these parts are unrelated with the content of the embodiment of the present invention, therefore at this
In omit its diagram and description.Further, since the execution of base station 700 according to embodiments of the present invention is following
The detail of operation is identical with the details described above with reference to Fig. 1-4, therefore herein in order to keep away
The repeated description exempted to repeat and omitted to same detail.
Resource reservation unit 710 determines and reserves base station to can be used in sending the measuring RS of aperiodic CSI
Time resource and frequency resource resource distribution, wherein time resource periodic distribution in time.Example
Such as, base station can send the measuring RS of aperiodic CSI in specific sub-frame.Shown according to one of the present invention
Example, the specific sub-frame for sending the measuring RS of aperiodic CSI can continuous arrangement in time.Alternatively
Ground, according to another example of the present invention, between the specific sub-frame for sending the measuring RS of aperiodic CSI
There can be predetermined time interval.For example, between sending the measuring RS of aperiodic CSI specific sub-frame
4 subframes can be spaced.
In addition, in the scope of resource for determining and reserving, frequency resource corresponding with same time resource
Occupy the part or all of bandwidth of the base station.Specifically, whole bandwidth that base station can use can be divided
For multiple frequency resource blocks.According to the example of the present invention, frequency money corresponding with same time resource
The part or all of bandwidth that source occupies base station can refer to frequency resource corresponding with same time resource and include
Frequency resource block coverage base station part or all of bandwidth.In addition, each frequency resource block may include it is more
Individual frequency resource elements.According to the example of the present invention, in each frequency resource, part can be used
Frequency resource elements send the measuring RS of aperiodic CSI.
The configuration information of resource distribution determined by the generation instruction of information generating unit 720.Then, send
Mobile station of the unit 730 into base station subordinate's cell sends the configuration information, to cause base station subordinate small
Mobile station in area obtains according to configuration information to be used to send aperiodic CSI surveys in the subordinate's cell of the base station
The RS of amount scope of resource.It is each in base station subordinate's cell according to the example of the present invention
Individual mobile station sends time resource used in the aperiodic measuring RS of CSI and frequency resource can equal quilts
It is included in the scope of resource (being further described later to this).In other words, it is pre- according to method for obligating resource
It can be that cell is specific that stays, which can be used in sending the measuring RS of aperiodic CSI scope of resource,.
According to the example of the present invention, transmitting element 730 can be believed by wireless heterogeneous networks (RRC)
Order static state or semi-statically the mobile station send configuration information into base station subordinate's cell.So as to access the base
The each mobile station for subordinate's cell of standing can obtain common base station and can be used in sending aperiodic CSI measurements use
RS scope of resource.
In addition, it is contemplated that aperiodic CSI measurements are based on entering for the measurement result of cycle CSI measurements
One step surveying, therefore according to the example of the present invention, can be in the cycle in aperiodic CSI measurements
The antenna port for being used to send RS reserved on the basis of the measurement result of CSI measurements using base station is (following
Referred to as " RS ports ") in a part, without non-to send using base station whole antenna port
The measuring RS of cycle CSI.Specifically, the base station shown in Fig. 7 may also include port determining unit,
To determine to be used to send the quantity of the measuring RS of aperiodic CSI antenna port, wherein identified
The quantity of antenna port is less than the sum for the RS ports reserved in base station.For example, for can be used 32 days
The aerial array of line end mouth sends the base station of data to mobile station, it may be determined that is come using 4 ports or 8 ports
Send the measuring RS of aperiodic CSI.In addition base station can generate port number configured information, to indicate to send out
Aperiodic CSI measuring RS port numbers are sent, and port number instruction is sent to mobile station
Information.
In the base station according to above example of the present invention, determine and be reserved in for base station subordinate's cell
It is used for the scope of resource for sending the measuring RS of aperiodic CSI, wherein base station subordinate cell in the cell
Interior each mobile station can be received using at least portion in the scope of resource when carrying out aperiodic CSI measurement
The RS for dividing resource to send.So that while the expense of control signaling of downlink is reduced, without non-
The mobile station of cycle CSI measurements also can carry out signaling/data receiver according to reserved scope of resource, and simple
Rate-matched is changed.
In addition, after resource reservation has been carried out, base station can be used resource in reserved scope of resource to
One or more mobile stations in the subordinate's cell of the base station send the aperiodic measuring RS of CSI.Specifically,
Transmitting element 730 can also be according to configuration information, using same time resource into the base station subordinate cell
One or more mobile stations in each mobile station send the measuring RS of the aperiodic CSI of the mobile station.
As described above, according to the example of the present invention, the reserved transmission RS's in usable base station is multiple
Section ports in antenna port send the aperiodic measuring RS of CSI to mobile station.In the case,
In port, determining unit determines the quantity of the antenna port for sending the measuring RS of aperiodic CSI
Afterwards, transmitting element 730 can be used determined by quantity antenna port, in same time resource to institute
State and each moved in one or more described mobile stations of the transmission of one or more mobile stations in the subordinate's cell of base station
The measuring RS of the dynamic aperiodic CSI of platform.
According to the example of the present invention, needs in the subordinate's cell of base station be present while send aperiodic
In the case of the measuring RS of CSI multiple mobile stations, transmitting element 730 can be used multiple mobile stations
Identical or different antenna port sends the measuring RS of aperiodic CSI.
For example, the RS that the port determining unit in base station 700 shown in Fig. 7 can also reserve base station
Port is divided into multiple antenna port groups, wherein the RS ports included in each antenna port group are at least partly
Difference, and the quantity of the RS ports included in each antenna port group is identified non-for sending
The quantity of the measuring RS of cycle CSI antenna port.In addition, the base station 700 shown in Fig. 7 is also
It may include grouped element, will need to send the measuring RS of aperiodic CSI simultaneously in the subordinate's cell of base station
Multiple mobile stations be divided into multiple user's groups, wherein each user's group may include one or more mobile stations.
Port determining unit can distribute each user's group different antenna port groups.So as to send aperiodic CSI
During measuring RS, transmitting element 730 can use the day for distributing to the user's group to each user's group
Line port set, it is aperiodic to send each mobile station in mobile station of the same time resource into each user's group
The measuring RS of CSI.Alternatively, base station 700 can not also be carried out to mobile station in the subordinate's cell of base station
Packet, and port determining unit is directly for the different RS of each mobile station distribution antenna end.
In addition, according to another example of the present invention, base station 700 may also include frequency chunks allocation unit, with
It is different from frequency resource corresponding to same time resource to each mobile station distribution in multiple mobile stations
Resource block.So as to when sending the measuring RS of aperiodic CSI, transmitting element 730 to each user,
The resource block for distributing to the antenna beam group of the user can be used, in same time resource to each mobile station
Send the measuring RS of the aperiodic CSI of each mobile station.By using different antenna ripples to different user
Number and different frequency resource blocks send the aperiodic measuring RS of CSI, can reduce aperiodic CSI measurements
RS transmission density, so as to reduce the downlink overhead for the measuring RS of aperiodic CSI.
In addition, in the case where being grouped as described above to multiple mobile stations, frequency chunks allocation unit can also
User's group is unit, distributes each user's group different resource blocks.
In addition, as described above, may include multiple frequency resource elements in each frequency resource block, and
In each frequency resource, component frequency resource element can be used usually to send the measuring RS of aperiodic CSI.
Each element in the component frequency resource element can be with distributing to the antenna of the frequency resource block where it
Each antenna end in port set is corresponding.In other words, can be used each in the component frequency resource element
Individual member usually sends the RS for different antennae port in an antenna port group.Include in each user's group more
In the case of individual mobile station, each mobile station is measurable to be sent using identical or different frequency resource elements
RS.That is, in a user's group, non-week is sent for each mobile station into the user's group
The measuring RS of phase CSI antenna port is identical or different.
For example, base station can notify mobile station specifically aperiodic CSI measurement configuration informations, example to mobile station
RS ports used in user grouping, the mobile station as where the mobile station, and/or the mobile station institute
Frequency resource elements etc. corresponding to the RS ports used.
Further according to another example of the present invention, in order that obtaining mobile station carries out aperiodic CSI measurements, base
Stand can also send aperiodic CSI to mobile station measures trigger signal.Specifically, base station 700 may also include
Aperiodic measurement determining unit, need to carry out to determine to whether there is in the mobile station in the subordinate's cell of base station
The target MS of aperiodic CSI measurements.When target MS be present, transmitting element 730 can be to mesh
Mark mobile station and send aperiodic CSI measurements trigger signal (for example, aperiodic CSI measures request signal),
To cause target MS according to trigger signal, to be used for the target MS using in the reserved resource
Resource carry out aperiodic CSI measurements.For example, when mobile station receives aperiodic CSI measurements triggering letter
Number when, mobile station can be in the RS sent with aperiodic CSI measurement trigger signal in identical subframe
Measure simultaneously feedback measurement.In another example when mobile station receives aperiodic CSI measurements triggering letter
Number when, mobile station can be according to the instruction of the trigger signal, to measuring trigger signal institute in the aperiodic CSI
Subframe after specific sub-frame in the RS that sends measure and feedback measurement.In addition, move
Dynamic platform can also be before trigger signal be received, in the son where the aperiodic CSI measurements trigger signal
The RS sent in subframe before frame is measured, and when receiving trigger signal, feedback is nearest
Measurement result.
In addition, for example when the channel status of mobile station is unstable, it is multiple that base station may indicate that mobile station is carried out
Aperiodic CSI measurements, and feed back this average measurements repeatedly measured.Movement is may indicate that in base station
In the case that platform carries out repeatedly aperiodic CSI measurements, frequency hopping can be used, i.e. for the mobile station
In different subframes RS is sent using different frequencies.So as to increase frequency gain.
According to an embodiment of the invention, mobile station can be set accordingly according to base station.Fig. 8 is to show
The block diagram of mobile station 800 according to embodiments of the present invention is gone out.As shown in figure 8, mobile station 800 includes
Receiving unit 810 and scope determining unit 820.In addition to the two units, mobile station 800 may be used also
With including miscellaneous part, however, because these parts are unrelated with the content of the embodiment of the present invention, therefore
Here its diagram and description are omitted.Further, since what mobile station 800 according to embodiments of the present invention performed
The detail of operations described below is identical with the details described above with reference to Fig. 5 and 6, therefore herein
The repeated description to same detail is omitted in order to avoid repeating.
Receiving unit 810 can receive configuration information from base station.For example, RRC signaling static state or half can be passed through
It is static to receive configuration information from base station.Then scope determining unit 820 can be determined in base according to configuration information
It can be used in sending the measuring RS of aperiodic CSI scope of resource, wherein time in subordinate's cell of standing
Resource periodic distribution in time.For example, the time resource in scope of resource can be specific sub-frame.
According to the example of the present invention, in the scope of resource for sending the measuring RS of aperiodic CSI
Specific sub-frame can continuous arrangement in time.Alternatively, according to the present invention another example,
Can have between the specific sub-frame in scope of resource for sending the measuring RS of aperiodic CSI predetermined
Time interval.For example, mobile station can determine that base station can be used in sending aperiodic CSI according to configuration information
4 subframes are spaced between measuring RS specific sub-frame.
In addition, in the scope of resource that mobile station determines, frequency resource corresponding with same time resource accounts for
The part or all of bandwidth for the base station being connected to according to the mobile station.Specifically, the whole that base station can use
Bandwidth can be divided into multiple frequency resource blocks.According to the example of the present invention, with same time resource pair
The part or all of bandwidth that the frequency resource answered occupies base station can refer to frequency corresponding with same time resource
The part or all of bandwidth for the frequency resource block coverage base station that resource includes.In addition, each frequency resource
Block may include multiple frequency resource elements.According to the present invention an example, in each frequency resource,
Base station, which may use, component frequency resource element can be used usually to send the measuring RS of aperiodic CSI.
The further survey of the measurement result of cycle CSI measurements is based in view of aperiodic CSI measurements
Amount, therefore according to the example of the present invention, in aperiodic CSI measurements, base station can be in cycle CSI
Antenna port (the following letter for being used to send RS reserved on the basis of the measurement result of measurement using base station
Referred to as " RS ports ") in a part, without sending non-week using base station whole antenna port
The measuring RS of phase CSI.In the case, receiving unit 810 can also be from mobile station receiving port quantity
Information, and mobile station may also include port determining unit, to determine that base station is used according to port number information
In the quantity for the antenna port for sending the aperiodic measuring RS of CSI.
In the mobile station according to above example of the present invention, it may be determined that the base station being connected to is directed under it
Belong to cell to determine and be reserved in be used for the scope of resource for sending the measuring RS of aperiodic CSI in the cell,
Each mobile station wherein in base station subordinate cell can be received to use and be somebody's turn to do when carrying out aperiodic CSI measurements
The RS that at least part resource is sent in scope of resource.So as to which mobile station need not be without aperiodic CSI
During measurement progress is sent also with the measuring RS of aperiodic CSI for other mobile stations accordingly
Rate-matched.
In addition, according to the example of the present invention, after the scope of reserved resource is determined, mobile station
Trigger signal can be measured according to the aperiodic CSI sent from base station to use in above-mentioned scope of resource base station
The RS that sends of resource carry out aperiodic CSI measurements.According to the example of the present invention, receiving unit
Aperiodic CSI measurements trigger signal can be also received from base station.For example, combined Fig. 3 and Fig. 4 above
It is described in detail, the RS ports that the base station is reserved can be divided into multiple antenna port groups by base station, to difference
Antenna port group distribute different frequency resource block, and will need to send aperiodic CSI simultaneously and measure
RS multiple mobile stations are divided into multiple user's groups, and different RS ports are distributed for each user's group.
In the case, base station can send the information on the user grouping where the mobile station to mobile station, close
In the information of RS ports used in the mobile station, and/or on RS ports used in the mobile station
Information of corresponding frequency resource elements etc..Mobile station can be according to these information in identified place cell
Reserved resource scope in further determine that RS resources corresponding to the mobile station.Receiving unit 810
Trigger signal can be measured according to aperiodic CSI, use the identified RS resources for the mobile station
Receive the measuring RS signals of aperiodic CSI.
According to another example of the present invention, mobile station may include CSI measuring units, with according to aperiodic CSI
Measurement trigger signal is determined to carry out the timing of CSI measurements/feedback and detected.For example, when mobile station connects
When receiving aperiodic CSI measurements trigger signal, CSI measuring units can be to measuring with the aperiodic CSI
The RS that trigger signal is sent in identical subframe is measured and feedback measurement.In another example work as shifting
When dynamic platform receives aperiodic CSI measurements trigger signal, CSI measuring units can be according to the trigger signal
Instruction, to what is sent in the specific sub-frame after the subframe where the aperiodic CSI measurements trigger signal
RS is measured and feedback measurement.In addition, CSI measuring units can also receive trigger signal it
Before, the RS sent in the subframe before the subframe where the aperiodic CSI measurements trigger signal is entered
Row measurement, and when receiving trigger signal, feed back nearest measurement result.
As described above, the different frequency money in the frequency resource of reserved scope of resource can be used in different mobile stations
Source block.According to another example of the present invention, receiving unit 810 can also receives frequency resource information.And
Mobile station may also include frequency chunks determining unit, to be determined according to frequency resource information in the scope of resource
In be used for the mobile station itself aperiodic CSI measure RS shared by resource block.
In addition, for example when the channel status of mobile station is unstable, CSI measuring units can also be according to base station
Instruction carry out repeatedly aperiodic CSI measurement, and feed back this average measurements repeatedly measured.
The operation of above-mentioned base station 700 and mobile station 800 can be realized by hardware, can also by by
Manage the software module that device performs to realize, and can further be realized by both combinations.
Software module can be disposed in the storage medium of arbitrary format, such as RAM (deposit by random access
Reservoir), flash memory, ROM (read-only storage), EPROM (erasable programmable ROM), EEPROM
(electrically erasable ROM), register, hard disk, removable disk and CD-ROM.
This storage medium is connected to processor so that processor can to the storage medium write information or
From the read information.This storage medium can also accumulate within a processor.This storage is situated between
Matter and processor can be disposed in ASIC.This ASIC can be disposed in base station 800 and movement
In platform 900.As discrete assembly, this storage medium and processor can be disposed in the He of base station 800
In mobile station 900.For example, the resource reservation unit in the above-mentioned base station of computing device, port can be passed through
The operation of the execution such as determining unit, grouped element, frequency chunks allocation unit, aperiodic measurement determining unit.
In another example can by the scope determining unit in the above-mentioned mobile station of computing device, resource determining unit and
The operation of the execution such as port determining unit.
Therefore, the present invention is explained in detail by using above-described embodiment；However, those skilled in the art
It should understand that the invention is not restricted to the embodiment of resonable explanation.The present invention is without departing substantially from being defined by the claims
Correction, modification pattern is may be implemented as in the case of the scope of the present invention.Therefore, specification
Description is intended merely to explain example, and does not apply any restrictions implication to the present invention.
Claims (21)
1. a kind of method for obligating resource performed by base station, including：
It is determined that and reserve the base station can be used in send aperiodic channel status information (CSI) it is measuring
The time resource of reference signal (RS) and the resource distribution of frequency resource, wherein the time resource when
Between upper periodic distribution；
The configuration information of resource distribution determined by generation instruction；And
Mobile station into the base station subordinate cell sends the configuration information, to cause under the base station
Mobile station in category cell obtains according to the configuration information can be used in sending out in the base station subordinate cell
Send aperiodic CSI measuring RS scope of resource.
2. the method as described in claim 1, wherein
Frequency resource corresponding with same time resource occupies the part or all of bandwidth of the base station.
3. method as claimed in claim 1 or 2, in addition to：
According to the configuration information, using same time resource 1 into the base station subordinate cell or
Each mobile station in multiple mobile stations sends the measuring RS of the aperiodic CSI of the mobile station.
4. method as claimed in claim 3, in addition to：
To each mobile station distribution frequency corresponding with same time resource in the multiple mobile station
Different resource block in resource.
5. method as claimed in claim 3, in addition to：
It is determined that the quantity of the antenna port for sending the measuring RS of aperiodic CSI, wherein being determined
Antenna port quantity be less than or equal to the base station reserve RS ports sum, wherein
In described one or more mobile stations using same time resource into the base station subordinate cell
Each mobile station, which sends the measuring RS of the aperiodic CSI of the mobile station, to be included：
It is small to the base station subordinate in same time resource using the antenna port of identified quantity
One or more mobile stations in area send the aperiodic CSI of each mobile station in one or more described mobile stations
Measuring RS.
6. method as claimed in claim 5, wherein
In the base station subordinate cell, non-week is sent for each mobile station in the multiple mobile station
The measuring RS of phase CSI antenna port is identical or different.
7. method as claimed in claim 1 or 2, in addition to：
Determining to whether there is in the mobile station in the base station subordinate cell needs to carry out aperiodic CSI measurements
Target MS；And
When the target MS being present, sending aperiodic CSI to target MS and measuring trigger signal,
To cause target MS according to the trigger signal, to be used for the target using in the reserved resource
The resource of mobile station carries out aperiodic CSI measurements.
8. a kind of resource determining method performed by mobile station, including：
Configuration information is received from base station；And
Determine to can be used in sending aperiodic CSI in the base station subordinate cell according to the configuration information
Measuring RS scope of resource, wherein time resource periodic distribution in time.
9. method as claimed in claim 8, in addition to：
Receive aperiodic CSI measurements trigger signal；And
According to the aperiodic CSI measurement trigger signal, using being used for the shifting in the scope of resource
The RS resources of dynamic platform receive the aperiodic measuring RS signals of CSI.
10. method as claimed in claim 8 or 9, in addition to：
Receiving port quantity information,
Determine that base station is used for the day for sending the measuring RS of aperiodic CSI according to the port number information
The quantity of line end mouth.
11. method as claimed in claim 8 or 9, in addition to：
Receives frequency resource information,
Determined according to the frequency resource information aperiodic for the mobile station in the scope of resource
Resource block shared by the RS of CSI measurements.
12. a kind of base station, including：
Resource reservation unit, it is configured to determine and reserves can be used in sending aperiodic channel status information
(CSI) resource distribution of the time resource of measuring reference signal (RS) and frequency resource, wherein described
Time resource periodic distribution in time；
Information generating unit, it is configured to the configuration information of resource distribution determined by generation instruction；And
Transmitting element, the mobile station being configured into the base station subordinate cell send the configuration information,
To cause the mobile station in the base station subordinate cell to be obtained according to the configuration information in the base station subordinate
It can be used in sending the measuring RS of aperiodic CSI scope of resource in cell.
13. base station as claimed in claim 12, wherein
The transmitting element is additionally configured to according to the configuration information, using same time resource to the base
Each mobile station in one or more mobile stations in subordinate's cell of standing sends the aperiodic CSI of the mobile station
Measuring RS.
14. base station as claimed in claim 13, in addition to：
Frequency chunks allocation unit, be configured to each mobile station distribution in the multiple mobile station with it is same
Different resource block in frequency resource corresponding to time resource.
15. base station as claimed in claim 13, in addition to：
Port determining unit, it is configured to determine to be used for the antenna end for sending the measuring RS of aperiodic CSI
The quantity of mouth, wherein the quantity of identified antenna port is less than or equal to the RS reserved in the base station
The sum of port, wherein
The antenna port of quantity determined by the transmitting element use, in same time resource to the base
One or more mobile stations stood in subordinate's cell send each mobile station in one or more described mobile stations
The aperiodic measuring RS of CSI.
16. base station as claimed in claim 15, wherein
Each mobile station of the transmitting element into the multiple mobile station sends the aperiodic measuring RS of CSI
Antenna port it is identical or different.
17. base station as claimed in claim 12, in addition to：
Aperiodic measurement determining unit, be configured to determine in the mobile station in the base station subordinate cell whether
In the presence of the target MS for needing to carry out aperiodic CSI measurements, wherein
The transmitting element is additionally configured to when the target MS be present, is sent to target MS non-
Cycle CSI measures trigger signal, reserved using stating to cause target MS according to the trigger signal
The resource for the target MS in resource carries out aperiodic CSI measurements.
18. a kind of mobile station, including：
Receiving unit, it is configured to receive configuration information from base station；
Scope determining unit, it is configured to determine the energy in the base station subordinate cell according to the configuration information
The scope of resource for sending the aperiodic measuring RS of CSI is enough in, wherein the time resource is in the time
Upper periodic distribution.
19. mobile station as claimed in claim 18, wherein
The receiving unit is additionally configured to receive aperiodic CSI measurements trigger signal, and according to described non-
Cycle CSI measures trigger signal, uses the RS resources for being used for the mobile station in the scope of resource
Receive the measuring RS signals of aperiodic CSI.
20. the mobile station as described in claim 18 or 19, wherein
The receiving unit is additionally configured to receiving port quantity information,
Institute's mobile station also includes：
Port determining unit, it is configured to determine that base station is non-for sending according to the port number information
The quantity of the measuring RS of cycle CSI antenna port.
21. the mobile station as described in claim 18 or 19, wherein
The receiving unit is additionally configured to receives frequency resource information,
Institute's mobile station also includes：
Frequency chunks determining unit, it is configured to be determined in the resource model according to the frequency resource information
Enclose the resource block shared by for the RS of the aperiodic CSI measurements of the mobile station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317892.7A CN107371194A (en) | 2016-05-12 | 2016-05-12 | Method for obligating resource, resource determining method, base station and mobile station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317892.7A CN107371194A (en) | 2016-05-12 | 2016-05-12 | Method for obligating resource, resource determining method, base station and mobile station |
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|---|---|
| CN107371194A true CN107371194A (en) | 2017-11-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610317892.7A Pending CN107371194A (en) | 2016-05-12 | 2016-05-12 | Method for obligating resource, resource determining method, base station and mobile station |
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| CN (1) | CN107371194A (en) |
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| CN109644119A (en) * | 2018-05-08 | 2019-04-16 | Oppo广东移动通信有限公司 | Method, terminal device and the network equipment of wireless communication |
| CN109951264A (en) * | 2017-12-20 | 2019-06-28 | 上海诺基亚贝尔股份有限公司 | Method, equipment and computer-readable media for communication |
| WO2020029293A1 (en) * | 2018-08-10 | 2020-02-13 | 株式会社Ntt都科摩 | Wireless communication method, user equipment and base station |
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