CN102223712B - Transmission method, base station and user equipment for measurement reference signals - Google Patents
Transmission method, base station and user equipment for measurement reference signals Download PDFInfo
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- 238000005259 measurement Methods 0.000 title claims abstract description 135
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 title abstract description 12
- 230000001960 triggered effect Effects 0.000 claims abstract description 90
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Abstract
The embodiment of the invention provides a transmission method, a base station and user equipment for measurement reference signals; the transmission method for the measurement reference signals comprises the following steps: user equipment is grouped; the numbers of the user equipment in group, measurement reference signal resources preserved for the group and a measurement resource unit included in the measurement reference signal resources are notified to the user equipment; a PDCCH (physical downlink control channel) transmits triggering information to the user equipment, wherein the triggering information comprises a triggering command part which is used for indicating the triggered user equipment in the group; therefore, the triggered user equipment can transmit the measurement reference signals on a searched measurement resource unit after finding out the measurement resource unit distributed for the triggered user equipment, so as to reduce demands on the measurement reference signal resources; beside, in the embodiment of the invention, the signaling expense of the PDCCH is low.
Description
Technical field
The embodiment of the present invention relates to communication technical field, particularly relates to a kind of sending method of measuring reference signals, base station and subscriber equipment.
Background technology
Long Term Evolution (Long Term Evolution; Hereinafter referred to as: LTE) with senior Long Term Evolution (Long Term Evolution-Advanced; Hereinafter referred to as: LTE-A) system all adopts multiplexing (the Single Carrier Frequency Division Multiple Access of single carrier frequency division up; Hereinafter referred to as: access way SC-FDMA).With the cycle of SC-FDMA symbol for basic time unit, the time that each SC-FDMA symbol continues is about 1/14 millisecond.Each SC-FDMA symbol is divided into multiple subcarrier on frequency domain, is interposed between in LTE protocol and is decided to be 15kHz between subcarrier.
In LTE protocol, running time-frequency resource is split as uniform unit, is called resource units (Resource Elements; Hereinafter referred to as: RE), account for the duration of a SC-FDMA symbol each RE time, frequency accounts for the width of a subcarrier; Each RE can transmit a symbol, such as: a quarternary phase-shift keying (QPSK) (Quaternary Phase Shift Keying; Hereinafter referred to as: QPSK) or a 16 quadrature amplitude modulation (16Quadrature Amplitude Modulation; Hereinafter referred to as: 16QAM) symbol.
Subscriber equipment (User Equipment is specified in LTE protocol; Hereinafter referred to as: UE) need to enode b (evolved NodeB; Hereinafter referred to as: eNB) transmission measurement reference signal (SoundingReference Signal; Hereinafter referred to as SRS), obtain uplink channel information with helping eNB, thus realize the function such as frequency selective scheduling and link circuit self-adapting.
Specify in LTE protocol, each community periodically retains certain running time-frequency resource and is used for each UE transmitting SRS.Particularly, every n subframe, last SC-FDMA symbol of a subframe is just had to be used for transmitting SRS.Due to a lot of UE all will on this symbol transmitting SRS, so must be come by the signal distinguishing of certain way by each user.The mode distinguished has comb (Comb), frequency division and cyclic shift (Cyclic Shift; Hereinafter referred to as: CS).
In current LTE protocol, the SRS transmission of UE adopts high-rise configuration, periodically sends.Particularly, the SRS that first eNB configures this UE by high-level signaling notice UE sends parameter, such as: which comb this UE in which frequency range, should use, which CS, adopts which kind of frequency-hopping mode to send SRS.Once configure these parameters, UE just starts continual periodicity and sends SRS, until eNB notifies that this UE stops sending SRS.
LTE-A agreement is a upgraded version of LTE protocol.In LTE-A agreement, UE supports up multiple-input and multiple-output (Uplink Multiple Input Multiple Output; Hereinafter referred to as: UL-MIMO), namely in LTE-A agreement, UE supports multi-antenna transmission in uplink, and in LTE protocol, UE can only adopt an antenna in uplink.
Under UL-MIMO pattern, eNB will measure for each root antenna of UE, so every root antenna all sends SRS, this increase in demand that will cause for SRS resource, for example, suppose that the first community and the second community have the UE of equal number, the UE in the first community adopts single antenna entirely, and the UE in the second community adopts 4 antennas entirely, then the SRS resource demand of the second community is 4 times of the first community.At this moment, if LTE-A agreement still continues to use the mode periodically sending SRS in LTE protocol, the problem of SRS resource shortage will be there is.
But existing LTE-A agreement does not provide a kind of effective solution for the problems referred to above.
Summary of the invention
The embodiment of the present invention provides a kind of sending method of measuring reference signals, base station and subscriber equipment, to reduce the demand to SRS resource.
The embodiment of the present invention provides a kind of sending method of measuring reference signals, comprising:
Subscriber equipment is divided into groups;
The measurement Resource Unit that the numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource comprise is informed to described subscriber equipment;
By physical layer descending control channel, trigger message is sent to described subscriber equipment, described trigger message comprises trigger command part, described trigger command part is used to indicate the subscriber equipment be triggered in described group, sends measuring reference signals with the subscriber equipment be triggered described in indicating.
The embodiment of the present invention also provides a kind of sending method of measuring reference signals, comprising:
The measurement Resource Unit that the measuring reference signals resource obtain the numbering of subscriber equipment in group, reserving for described group and described measuring reference signals resource comprise;
Receive the trigger message that base station is sent by physical layer descending control channel, described trigger message comprises trigger command part, and described trigger command part is used to indicate described subscriber equipment and is triggered;
According to the measurement Resource Unit that the numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource comprise, search the measurement Resource Unit that described base station is described user equipment allocation, and send measuring reference signals on the measurement Resource Unit found.
The embodiment of the present invention also provides a kind of base station, comprising:
Grouping module, for dividing into groups to subscriber equipment;
Notification module, informs to described subscriber equipment for the measurement Resource Unit numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource comprised;
First sending module, for trigger message being sent to described subscriber equipment by physical layer descending control channel, described trigger message comprises trigger command part, described trigger command part is used to indicate the subscriber equipment be triggered in described group, sends measuring reference signals with the subscriber equipment be triggered described in indicating.
The embodiment of the present invention also provides a kind of subscriber equipment, comprising:
Acquisition module, for obtaining the numbering of subscriber equipment in group, the measurement Resource Unit that comprises of the measuring reference signals resource reserved for described group and described measuring reference signals resource;
Receiver module, for receiving the trigger message that base station is sent by physical layer descending control channel, described trigger message comprises trigger command part, and described trigger command part is used to indicate described subscriber equipment and is triggered;
Search module, for the measurement Resource Unit comprised according to the numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource, search the measurement Resource Unit that described base station is described user equipment allocation;
Second sending module, for described search module searches to measurement Resource Unit on send measuring reference signals.
By the embodiment of the present invention, the measurement Resource Unit that the numbering of subscriber equipment in group, the measuring reference signals resource reserved for this group and this measuring reference signals resource comprise, after dividing into groups to subscriber equipment, is informed to subscriber equipment by base station; Then by physical layer descending control channel, trigger message is sent to subscriber equipment, trigger command part in this trigger message is used to indicate the subscriber equipment be triggered in above-mentioned group, thus the subscriber equipment be triggered can after finding the measurement Resource Unit for the above-mentioned user equipment allocation be triggered, the measurement Resource Unit found sends measuring reference signals, decrease the demand to measuring reference signals resource, and in the embodiment of the present invention, the signaling consumption of physical layer descending control channel is very little.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of a sending method embodiment of measuring reference signals of the present invention;
The schematic diagram of Fig. 2 to be base station of the present invention be measuring reference signals resource embodiment that group reserves;
Fig. 3 is that the present invention divides RU and the schematic diagram of an embodiment of numbering;
Fig. 4 is the schematic diagram of a trigger message of the present invention embodiment;
Fig. 5 is the schematic diagram of another embodiment of trigger message of the present invention;
Fig. 6 is the schematic diagram of another embodiment of trigger message of the present invention;
Fig. 7 is the flow chart of another embodiment of sending method of measuring reference signals of the present invention;
Fig. 8 is the structural representation of the embodiment in base station of the present invention;
Fig. 9 is the structural representation of another embodiment of base station of the present invention;
Figure 10 is the structural representation of a subscriber equipment of the present invention embodiment;
Figure 11 is the structural representation of another embodiment of subscriber equipment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Fig. 1 is the flow chart of a sending method embodiment of measuring reference signals of the present invention, and as shown in Figure 1, the sending method of this measuring reference signals comprises:
Step 101, divides into groups to subscriber equipment.
Particularly, can divide into groups to the subscriber equipment in this community, place, base station in base station.
Step 102, informs to subscriber equipment by the measurement Resource Unit that the numbering of this subscriber equipment in group, the measuring reference signals resource reserved for this group and this measuring reference signals resource comprise.
In the present embodiment, after subscriber equipment is divided into groups, before the measurement Resource Unit that the numbering of this subscriber equipment in group, the measuring reference signals resource reserved for this group and this measuring reference signals resource comprise is informed to subscriber equipment, base station also needs for above-mentioned group reserves measuring reference signals resource, and is mutually orthogonal measurement Resource Unit by this measuring reference signals resource division; In addition, base station can also be numbered the measurement Resource Unit divided.
Particularly, the measurement Resource Unit that the numbering of this subscriber equipment in group, the measuring reference signals resource reserved for this group and this measuring reference signals resource comprise can be sent to subscriber equipment by high-level signaling by base station.
Wherein, the measuring reference signals resource reserved for this group to send to subscriber equipment to be by high-level signaling by base station: the position of the measuring reference signals resource reserved for this group is sent to subscriber equipment by high-level signaling by base station; The measurement Resource Unit that this measuring reference signals resource comprises to send to subscriber equipment to be by high-level signaling by base station: the position of the measurement Resource Unit that this measuring reference signals resource is comprised by high-level signaling by base station and numbering send to subscriber equipment.
In addition, the mark of group belonging to this subscriber equipment can also be sent to subscriber equipment by high-level signaling by base station.
In the present embodiment, base station is that the measuring reference signals resource that this group reserves can only be used by the subscriber equipment in this group; The above-mentioned measuring reference signals resource reserved for this group itself is a periodic resource through high-rise configuration, and resource shared when can send measuring reference signals with the subscriber equipment at least one LTE network is identical; Thus can be well compatible with LTE protocol, the configuration of the measuring reference signals resource of subscriber equipment in LTE network can not be affected.In addition, measuring reference signals resource is reserved for this group in base station, has measuring reference signals resource to use when also ensure that belonging to this subscriber equipment, group is triggered.
The schematic diagram of Fig. 2 to be base station of the present invention be measuring reference signals resource embodiment that group reserves, it is the measuring reference signals resource that group reserves that dash area in Fig. 2 is base station, and this reserved measuring reference signals resource comprises at least one periodic measuring reference signals resource meeting LTE protocol.In embodiment illustrated in fig. 2, all comb in frequency range shown in dash area, all subcarriers and all cyclic shifts are all divided and are given a group, this is only an example of the present invention, the embodiment of the present invention is not limited in this, a part of comb, a part of subcarrier and a part of cyclic shift only can be given above-mentioned group by base station, and the embodiment of the present invention is not construed as limiting this.
In addition, base station is the measuring reference signals resource that group reserves also can be the resource of newly opening up, such as: base station can be reserved as above-mentioned measuring reference signals resource by being used for the part passed in the resource of data.
In the present embodiment, the measuring reference signals resource division reserved for group can also be mutually orthogonal measurement Resource Unit (Resources Unit by base station; Hereinafter referred to as: RU), further, base station can also be numbered RU.Wherein the position of each RU is determined by comb, RU place frequency range and CS; In the embodiment of the present invention, comb can be 0 or 1.In the embodiment of the present invention, mutually orthogonal between RU, can ensure that base station is by the signaling zone of transmission on different RU separately.
In the embodiment of the present invention, each RU has one fix and independently number, and Fig. 3 is that the present invention divides RU and the schematic diagram of an embodiment of numbering, in Fig. 3, first base station, by being uniform RU sized by the reserved measuring reference signals resource division of group, when being numbered RU, can be numbered the RU on comb 0, particularly, when being numbered the RU on comb 0, by the RU number consecutively on comb 0 can be according to the order of CS after first frequency: 1,2, ..., 16; Then, by the RU number consecutively on comb 1 can be according to identical method: 17,18 ..., 32.
Fig. 3 is only base station of the present invention is the example that mutually orthogonal measurement Resource Unit is also numbered by the measuring reference signals resource division reserved for group, the embodiment of the present invention is not limited in this, the dividing mode (even or non-homogeneous) that the embodiment of the present invention adopts RU, and the coding rule adopted when being numbered RU is not construed as limiting.But in order to reduce signaling consumption, the coding rule that the embodiment of the present invention preferably adopts uniform dividing mode to RU and determines, this is because to RU adopt uniform dividing mode and determine coding rule (such as: the present invention's coding rule provided embodiment illustrated in fig. 3) time, base station is when sending to subscriber equipment by the position of RU in measuring reference signals resource and numbering, only the position at first RU place in this measuring reference signals resource and the size of each RU can be sent to subscriber equipment, at this moment, due to the coding rule adopting uniform dividing mode to RU He determine, therefore according to the position at first RU place and the size of each RU, subscriber equipment just can determine the position at other all RU places.
Step 103, by physical layer descending control channel (Physical Downlink Control Channel; Hereinafter referred to as: PDCCH) trigger message is sent to subscriber equipment, this trigger message comprises trigger command part, this trigger command part is used to indicate the subscriber equipment be triggered in above-mentioned group, sends measuring reference signals to indicate the subscriber equipment be triggered.
In the present embodiment, the trigger message of the upper transmission of PDCCH utilizes the mark of group belonging to this subscriber equipment to carry out scrambling, therefore only has the subscriber equipment in group belonging to this subscriber equipment correctly could to receive this trigger message.
In a kind of implementation of the present embodiment, base station can according to the numbering of the subscriber equipment be triggered in group, the measurement Resource Unit of user equipment allocation predetermined quantity in order for being triggered in measuring reference signals resource.Particularly, base station can according to the descending or ascending order of the numbering of the subscriber equipment be triggered, be followed successively by the user equipment allocation RU be triggered, and in this implementation, base station is the number of the RU of the above-mentioned user equipment allocation be triggered is predetermined, such as: above-mentioned predetermined quantity can be 1, namely base station is each user equipment allocation be triggered 1 RU.In this implementation, the trigger message that base station is sent by PDCCH can only comprise trigger command part, this trigger command part is used to indicate the subscriber equipment be triggered in group, and this trigger command part can comprise N bit, and N is the greatest measure that can hold subscriber equipment in above-mentioned group; A subscriber equipment in the corresponding above-mentioned group of bit in this trigger command part, when the value of bit corresponding to this subscriber equipment is predetermined value, represents that this subscriber equipment is triggered transmission measuring reference signals.
Fig. 4 is the schematic diagram of a trigger message of the present invention embodiment, and as shown in Figure 4, the trigger command part of this trigger message comprises 10 bits, represents that group belonging to this subscriber equipment comprises 10 subscriber equipmenies; Suppose that the n-th bit reference numeral is the subscriber equipment of n, and suppose that above-mentioned predetermined value is in 1, Fig. 4, the value of the 2nd bit, the 6th bit and the 7th bit is 1, represents that the subscriber equipment being numbered 2,6 and 7 is triggered transmission measuring reference signals.In this implementation, suppose that base station is according to the ascending order of the numbering of the subscriber equipment be triggered, be followed successively by the user equipment allocation RU be triggered, and suppose that base station is each user equipment allocation be triggered 1 RU, therefore base station be the user equipment allocation being numbered 2,6 and 7 RU numbering be respectively 1,2 and 3.After the subscriber equipment being numbered 2,6 and 7 knows the numbering of the RU of distribution, be combined into position and the numbering (with reference to figure 3) of the RU that the position (with reference to figure 2) of the measuring reference signals resource that this group reserves and this measuring reference signals resource comprise, just can find the RU that base station is the user equipment allocation being numbered 2,6 and 7, and then the subscriber equipment being numbered 2,6 and 7 can send measuring reference signals on the RU found.
In the another kind of implementation of the present embodiment, base station can according to the numbering of the subscriber equipment be triggered in group, at least one the measurement Resource Unit of user equipment allocation in order for being triggered in measuring reference signals resource.Particularly, base station according to the descending or ascending order of the numbering of the subscriber equipment be triggered, can be followed successively by the user equipment allocation RU be triggered.In this implementation, the trigger message that base station is sent by PDCCH not only comprises trigger command part, also needs to comprise to measure number of resource units part; Wherein, the function of trigger command part and form as previously mentioned, do not repeat them here; Measure the number that number of resource units part is used to indicate the RU for the user equipment allocation be triggered.
Fig. 5 is the schematic diagram of another embodiment of trigger message of the present invention, and as shown in Figure 5, the trigger command part of this trigger message comprises 10 bits, represents that group belonging to this subscriber equipment comprises 10 subscriber equipmenies; Suppose that the n-th bit reference numeral is the subscriber equipment of n, and hypothesis predetermined value is 1, in Fig. 5, the value of the 2nd bit of trigger command part, the 6th bit and the 7th bit is 1, represents that the subscriber equipment being numbered 2,6 and 7 is triggered transmission measuring reference signals.The subscriber equipment being numbered 2,6 and 7 further can according to measuring the number that number of resource units part lookup be the RU of the user equipment allocation being numbered 2,6 and 7 to base station.The number being assumed to be the RU of each user equipment allocation be triggered at this represents with 2 bits, and preset " 00 " and be expressed as user equipment allocation 1 RU be triggered, " 01 " is expressed as user equipment allocation 2 RU be triggered, " 10 " are expressed as user equipment allocation 3 RU be triggered, and " 11 " are expressed as user equipment allocation 4 RU be triggered.In this implementation, suppose that base station is according to the ascending order of the numbering of the subscriber equipment be triggered, be followed successively by the user equipment allocation RU be triggered, in Fig. 5, measure number of resource units part and comprise 6 bits, be respectively " 01 ", " 11 " and " 01 ", represent base station be numbered 2 user equipment allocation 2 RU, be numbered 1 and 2; For being numbered user equipment allocation 4 RU of 6, be numbered 3,4,5 and 6; For being numbered user equipment allocation 2 RU of 7, be numbered 7 and 8.After the subscriber equipment being numbered 2,6 and 7 knows the numbering of the RU of distribution, be combined into position and the numbering (with reference to figure 3) of the RU that the position (with reference to figure 2) of the measuring reference signals resource that this group reserves and this measuring reference signals resource comprise, just can find the RU that base station is the user equipment allocation being numbered 2,6 and 7, and then the subscriber equipment being numbered 2,6 and 7 can send measuring reference signals on the RU found.
In another implementation of the present embodiment, base station can according to the numbering of the subscriber equipment be triggered in group, at least one the measurement Resource Unit of user equipment allocation for being triggered in measuring reference signals resource.In this implementation, the trigger message that base station is sent by PDCCH not only comprises trigger command part, also needs to comprise measure number of resource units part and measure Resource Unit indicating section; Wherein, the function of trigger command part and measurement number of resource units part and form as previously mentioned, do not repeat them here; Measure Resource Unit indicating section and be used to indicate the RU of user equipment allocation for being triggered in measuring reference signals resource, particularly, measure Resource Unit indicating section and can indicate the numbering of the RU of user equipment allocation for being triggered in measuring reference signals resource.
Fig. 6 is the schematic diagram of another embodiment of trigger message of the present invention, and as shown in Figure 6, the trigger command part of this trigger message comprises 10 bits, represents that group belonging to this subscriber equipment comprises 10 subscriber equipmenies; Suppose that the n-th bit reference numeral is the subscriber equipment of n, and hypothesis predetermined value is 1, in Fig. 6, the value of the 2nd bit of trigger command part, the 6th bit and the 7th bit is 1, represents that the subscriber equipment being numbered 2,6 and 7 is triggered transmission measuring reference signals.The subscriber equipment being numbered 2,6 and 7 further can according to measuring the number that number of resource units part lookup be the RU of the user equipment allocation being numbered 2,6 and 7 to base station.The number being assumed to be the RU of each user equipment allocation be triggered at this represents with 2 bits, and preset " 00 " and be expressed as user equipment allocation 1 RU be triggered, " 01 " is expressed as user equipment allocation 2 RU be triggered, " 10 " are expressed as user equipment allocation 3 RU be triggered, and " 11 " are expressed as user equipment allocation 4 RU be triggered.In Fig. 6, measure number of resource units part and comprise 6 bits, be respectively " 01 ", " 11 " and " 01 ", expression base station be numbered 2 user equipment allocation 2 RU, for being numbered user equipment allocation 4 RU of 6, for being numbered user equipment allocation 2 RU of 7.
Further, subscriber equipment can find according to measurement Resource Unit indicating section the numbering that base station is the RU of the user equipment allocation being numbered 2,6 and 7.Suppose that the numbering of each RU 3 bits represent at this.In Fig. 6, base station be numbered 2 user equipment allocation 2 RU, numbering is respectively " 001 " and " 000 "; Base station be numbered 6 user equipment allocation 4 RU, numbering is respectively " 100 ", " 101 ", " 110 " and " 111 "; Base station be numbered 7 user equipment allocation 2 RU, numbering is respectively " 010 " and " 011 ".After the subscriber equipment being numbered 2,6 and 7 knows the numbering of the RU of distribution, be combined into position and the numbering (with reference to figure 3) of RU in the position (with reference to figure 2) of the measuring reference signals resource that this group reserves and this measuring reference signals resource, just can find the RU that base station is the user equipment allocation being numbered 2,6 and 7, and then the subscriber equipment being numbered 2,6 and 7 can send measuring reference signals on the RU found.
It should be noted that, Fig. 4, Fig. 5 of the present invention and embodiment illustrated in fig. 6 in trigger message be only three kinds of examples of the present invention, do not form limitation of the invention, the embodiment of the present invention is not construed as limiting the form that trigger message adopts.
Above-described embodiment, the measurement Resource Unit that the numbering of subscriber equipment in group, the measuring reference signals resource reserved for this group and this measuring reference signals resource comprise, after dividing into groups to subscriber equipment, is informed to subscriber equipment by base station, then by physical layer descending control channel, trigger message is sent to subscriber equipment, trigger command part in this trigger message is used to indicate the subscriber equipment be triggered in above-mentioned group, thus the subscriber equipment be triggered can after finding the measurement Resource Unit for the above-mentioned user equipment allocation be triggered, the measurement Resource Unit found sends measuring reference signals, send measuring reference signals with achieving subscriber equipment dynamic aperiodic, decrease the demand to measuring reference signals resource, and the design of trigger message in the embodiment of the present invention, reduce the downlink signaling expense of PDCCH.
Fig. 7 is the flow chart of another embodiment of sending method of measuring reference signals of the present invention, and as shown in Figure 7, the sending method of this measuring reference signals can comprise:
Step 701, the measurement Resource Unit that the measuring reference signals resource obtain the numbering of subscriber equipment in group, reserving for this group and this measuring reference signals resource comprise.
Step 702, receive the trigger message that base station is sent by PDCCH, this trigger message comprises trigger command part, and this trigger command part is used to indicate this subscriber equipment and is triggered.
Step 703, according to the measurement Resource Unit that the numbering of subscriber equipment in group, the measuring reference signals resource reserved for group and this measuring reference signals resource comprise, search the measurement Resource Unit that base station is user equipment allocation, and send measuring reference signals on the measurement Resource Unit found.
In a kind of implementation of the present embodiment, subscriber equipment can according to the numbering of this subscriber equipment in group, and in measuring reference signals resource, search base station is the measurement Resource Unit of the predetermined quantity of user equipment allocation in order;
In the another kind of implementation of the present embodiment, the trigger message that subscriber equipment receives can also comprise measures number of resource units part, and this measurement number of resource units part is used to indicate the number of the measurement Resource Unit into user equipment allocation; At this moment, subscriber equipment can according to the numbering of subscriber equipment in group, searches base station in order for user equipment allocation, the measurement Resource Unit corresponding with the number that this measurement number of resource units part indicates in measuring reference signals resource.
In another implementation of the present embodiment, the trigger message that subscriber equipment receives can also comprise to be measured number of resource units part and measures Resource Unit indicating section; This measurement number of resource units part is used to indicate the number of the measurement Resource Unit into user equipment allocation; This measurement Resource Unit indicating section is used to indicate the measurement Resource Unit for user equipment allocation in above-mentioned measuring reference signals resource; At this moment, subscriber equipment can according to the numbering of this subscriber equipment in group, in this measuring reference signals resource, according to measuring Resource Unit indicating section, to search base station be user equipment allocation, the measurement Resource Unit corresponding with measuring number that number of resource units part indicates.
Send measuring reference signals with above embodiments enabling subscriber equipment dynamic aperiodic, decrease the demand to measuring reference signals resource, and in the present embodiment, the downlink signaling expense of PDCCH is very little.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Fig. 8 is the structural representation of the embodiment in base station of the present invention, and the base station in the present embodiment can realize the present invention's flow process embodiment illustrated in fig. 1, and as shown in Figure 8, this base station can comprise: grouping module 81, notification module 82 and the first sending module 83.
Wherein, grouping module 81, for dividing into groups to subscriber equipment; Particularly, grouping module 81 can be divided into groups to the subscriber equipment in this community, place, base station;
Notification module 82, informs to subscriber equipment for the measurement Resource Unit numbering of subscriber equipment in group, the measuring reference signals resource reserved for this group and this measuring reference signals resource comprised; Particularly, the measurement Resource Unit that the numbering of subscriber equipment in group, the measuring reference signals resource reserved for this group and this measuring reference signals resource comprise can be informed to subscriber equipment by high-level signaling by notification module 82;
First sending module 83, for trigger message being sent to subscriber equipment by physical layer descending control channel, this trigger message comprises trigger command part, this trigger command part is used to indicate the subscriber equipment be triggered in above-mentioned group, sends measuring reference signals to indicate the subscriber equipment be triggered.
Above-mentioned base station, grouping module 81 is after dividing into groups to subscriber equipment, and the measurement Resource Unit that the numbering of subscriber equipment in group, the measuring reference signals resource reserved for this group and this measuring reference signals resource comprise is informed to subscriber equipment by notification module 82; Then trigger message is sent to subscriber equipment by physical layer descending control channel by the first sending module 83, this trigger message comprises trigger command part, this trigger command part is used to indicate the subscriber equipment be triggered in above-mentioned group, measuring reference signals is sent to indicate the subscriber equipment be triggered, send measuring reference signals with achieving subscriber equipment dynamic aperiodic, decrease the demand to measuring reference signals resource, and in the embodiment of the present invention, the signaling consumption of physical layer descending control channel is very little.
Fig. 9 is the structural representation of another embodiment of base station of the present invention, and compared with the base station shown in Fig. 8, difference is, the base station shown in Fig. 9 can further include: resource reservation module 84 and dividing elements module 85.
Resource reservation module 84, for reserving measuring reference signals resource for group;
Dividing elements module 85 is mutually orthogonal measurement Resource Unit for measuring reference signals resource division resource reservation module 84 reserved.
In the present embodiment, grouping module 81 pairs of subscriber equipmenies divide into groups, and by resource reservation module 84 for group reserves measuring reference signals resource, measuring reference signals resource division reserved for resource reservation module 84 is mutually orthogonal measurement Resource Unit by dividing elements module 85; Afterwards, the measurement Resource Unit that the numbering of subscriber equipment in group, the measuring reference signals resource reserved for this group and this measuring reference signals resource comprise can be informed to subscriber equipment by high-level signaling by notification module 82; Next, trigger message can be sent to subscriber equipment by physical layer descending control channel by the first sending module 83.
In a kind of implementation of the present embodiment, this base station can further include: the first distribution module 86, for according to the numbering of subscriber equipment in group that be triggered, the measurement Resource Unit of user equipment allocation predetermined quantity in order for being triggered in measuring reference signals resource;
In the another kind of implementation of the present embodiment, this base station can further include: the second distribution module 87, for the numbering of subscriber equipment in group that basis is triggered, at least one the measurement Resource Unit of user equipment allocation in order for being triggered in measuring reference signals resource; At this moment, the trigger message that the first sending module 83 sends can also comprise: measuring number of resource units part, being used to indicate the number of the measurement Resource Unit of the user equipment allocation for being triggered;
In another implementation of the present embodiment, this base station can further include: the 3rd distribution module 88, for the numbering of subscriber equipment in group that basis is triggered, at least one the measurement Resource Unit of user equipment allocation for being triggered in measuring reference signals resource; At this moment, the trigger message that the first sending module 83 sends can also comprise: measure number of resource units part and measure Resource Unit indicating section; Wherein, this measurement number of resource units part is used to indicate the number of the measurement Resource Unit of the user equipment allocation for being triggered; This measurement Resource Unit indicating section is used to indicate the measurement Resource Unit of user equipment allocation for being triggered in measuring reference signals resource.
Above-mentioned base station sends measuring reference signals with can realizing subscriber equipment dynamic aperiodic, decreases the demand to measuring reference signals resource, and reduces the signaling consumption of physical layer descending control channel.
Figure 10 is the structural representation of a subscriber equipment of the present invention embodiment, subscriber equipment in the present embodiment can realize the present invention's flow chart embodiment illustrated in fig. 7, as shown in Figure 10, this subscriber equipment can comprise: acquisition module 1001, receiver module 1002, search module 1003 and the second sending module 1004;
Wherein, acquisition module 1001, for obtaining the numbering of subscriber equipment in group, the measurement Resource Unit that comprises of the measuring reference signals resource reserved for this group and this measuring reference signals resource;
Receiver module 1002, for receiving the trigger message that base station is sent by physical layer descending control channel, this trigger message comprises trigger command part, and this trigger command part is used to indicate this subscriber equipment and is triggered;
Search module 1003, for the measurement Resource Unit comprised according to the numbering of subscriber equipment in group, the measuring reference signals resource reserved for this group and this measuring reference signals resource, search the measurement Resource Unit that base station is this user equipment allocation;
Second sending module 1004, for sending measuring reference signals searching on the measurement Resource Unit that module 1003 finds.
Above-mentioned subscriber equipment sends measuring reference signals with achieving dynamic aperiodic, decreases the demand to measuring reference signals resource, and in the present embodiment, the downlink signaling expense of PDCCH is very little.
Figure 11 is the structural representation of another embodiment of subscriber equipment of the present invention, compared with the subscriber equipment shown in Figure 10, difference is, in a kind of implementation of the present embodiment, in subscriber equipment shown in Figure 11, search module 1003 can comprise: first searches submodule 10031, for according to the numbering of subscriber equipment in group, in measuring reference signals resource, search the measurement Resource Unit that base station is the predetermined quantity of user equipment allocation in order;
In the another kind of implementation of the present embodiment, the trigger message that receiver module 1002 receives can also comprise: measure number of resource units part, be used to indicate the number of the measurement Resource Unit into user equipment allocation; At this moment, search module 1003 can comprise: second searches submodule 10032, for according to the numbering of this subscriber equipment in group, base station is searched in order for user equipment allocation, the measurement Resource Unit corresponding with measuring number that number of resource units part indicates in above-mentioned measuring reference signals resource;
In the another kind of implementation of the present embodiment, the trigger message that receiver module 1002 receives can also comprise: measure number of resource units part and measure Resource Unit indicating section; This measurement number of resource units part is used to indicate the number of the measurement Resource Unit into user equipment allocation; This measurement Resource Unit indicating section is used to indicate the measurement Resource Unit for user equipment allocation in measuring reference signals resource; At this moment, search module 1003 can comprise: the 3rd searches submodule 10033, for according to the numbering of this subscriber equipment in group, in measuring reference signals resource, according to measuring Resource Unit indicating section, to search base station be user equipment allocation, the measurement Resource Unit corresponding with measuring number that number of resource units part indicates.
Above-mentioned subscriber equipment sends measuring reference signals with achieving dynamic aperiodic, decreases the demand to measuring reference signals resource, and in the present embodiment, the downlink signaling expense of PDCCH is very little.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (17)
1. a sending method for measuring reference signals, is characterized in that, comprising:
Subscriber equipment is divided into groups;
The measurement Resource Unit that the numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource comprise is informed to described subscriber equipment;
By physical layer descending control channel, trigger message is sent to described subscriber equipment, described trigger message comprises trigger command part, and described trigger command part is used to indicate the subscriber equipment be triggered in described group and sends measuring reference signals.
2. method according to claim 1, it is characterized in that, described the measurement Resource Unit that the numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource comprise is informed to described subscriber equipment before, also comprise:
For described group reserves described measuring reference signals resource;
By the measurement Resource Unit that described measuring reference signals resource division is mutually orthogonal.
3. method according to claim 2, is characterized in that, also comprises:
According to the numbering of the described subscriber equipment be triggered in group, in described measuring reference signals resource in order for described in the measurement Resource Unit of user equipment allocation predetermined quantity that is triggered.
4. method according to claim 2, is characterized in that, also comprises:
According to the numbering of the described subscriber equipment be triggered in group, in described measuring reference signals resource in order for described in the user equipment allocation that is triggered at least one measure Resource Unit;
Described trigger message also comprises measures number of resource units part, and described measurement number of resource units part is used to indicate the number of the measurement Resource Unit for the described user equipment allocation be triggered.
5. method according to claim 2, is characterized in that, also comprises:
According to the numbering of the described subscriber equipment be triggered in group, in described measuring reference signals resource for described in the user equipment allocation that is triggered at least one measure Resource Unit;
Described trigger message also comprises to be measured number of resource units part and measures Resource Unit indicating section; Described measurement number of resource units part is used to indicate the number of the measurement Resource Unit for the described user equipment allocation be triggered; Described measurement Resource Unit indicating section be used to indicate in described measuring reference signals resource for described in the measurement Resource Unit of user equipment allocation that is triggered.
6. a sending method for measuring reference signals, is characterized in that, comprising:
The measurement Resource Unit that the measuring reference signals resource obtain the numbering of subscriber equipment in group, reserving for described group and described measuring reference signals resource comprise;
Receive the trigger message that base station is sent by physical layer descending control channel, described trigger message comprises trigger command part, and described trigger command part is used to indicate the subscriber equipment be triggered in described group and sends measuring reference signals;
According to the measurement Resource Unit that the numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource comprise, search the measurement Resource Unit that described base station is described user equipment allocation, and send measuring reference signals on the measurement Resource Unit found.
7. method according to claim 6, it is characterized in that, the described measurement Resource Unit comprised according to the numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource, searching described base station is that the measurement Resource Unit of described user equipment allocation comprises:
According to the numbering of described subscriber equipment in group, in described measuring reference signals resource, search described base station is the measurement Resource Unit of the predetermined quantity of described user equipment allocation in order.
8. method according to claim 6, is characterized in that, described trigger message also comprises measures number of resource units part, and described measurement number of resource units part is used to indicate the number of the measurement Resource Unit into described user equipment allocation;
The described measurement Resource Unit comprised according to the numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource, searching described base station is that the measurement Resource Unit of described user equipment allocation comprises:
According to the numbering of described subscriber equipment in group, in described measuring reference signals resource, search described base station in order for described user equipment allocation, the measurement Resource Unit corresponding with the number that described measurement number of resource units part indicates.
9. method according to claim 6, is characterized in that, described trigger message also comprises to be measured number of resource units part and measures Resource Unit indicating section; Described measurement number of resource units part is used to indicate the number of the measurement Resource Unit into described user equipment allocation; Described measurement Resource Unit indicating section is used to indicate the measurement Resource Unit for described user equipment allocation in described measuring reference signals resource;
The described measurement Resource Unit comprised according to the numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource, searching described base station is that the measurement Resource Unit of described user equipment allocation comprises:
According to the numbering of described subscriber equipment in group, in described measuring reference signals resource, search described base station according to described measurement Resource Unit indicating section is described user equipment allocation, the measurement Resource Unit corresponding with the number that described measurement number of resource units part indicates.
10. a base station, is characterized in that, comprising:
Grouping module, for dividing into groups to subscriber equipment;
Notification module, informs to described subscriber equipment for the measurement Resource Unit numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource comprised;
First sending module, for trigger message being sent to described subscriber equipment by physical layer descending control channel, described trigger message comprises trigger command part, and described trigger command part is used to indicate the subscriber equipment be triggered in described group and sends measuring reference signals.
11. base stations according to claim 10, is characterized in that, also comprise:
First distribution module, for the numbering of subscriber equipment in group be triggered described in basis, in described measuring reference signals resource in order for described in the measurement Resource Unit of user equipment allocation predetermined quantity that is triggered.
12. base stations according to claim 10, is characterized in that, also comprise:
Second distribution module, for the numbering of subscriber equipment in group be triggered described in basis, in described measuring reference signals resource in order for described in the user equipment allocation that is triggered at least one measure Resource Unit;
The trigger message that described first sending module sends also comprises: measure number of resource units part, be used to indicate the number of the measurement Resource Unit for the described user equipment allocation be triggered.
13. base stations according to claim 10, is characterized in that, also comprise:
3rd distribution module, for the numbering of subscriber equipment in group be triggered described in basis, in described measuring reference signals resource for described in the user equipment allocation that is triggered at least one measure Resource Unit;
The trigger message that described first sending module sends also comprises: measure number of resource units part and measure Resource Unit indicating section; Described measurement number of resource units part is used to indicate the number of the measurement Resource Unit for the described user equipment allocation be triggered; Described measurement Resource Unit indicating section be used to indicate in described measuring reference signals resource for described in the measurement Resource Unit of user equipment allocation that is triggered.
14. 1 kinds of subscriber equipmenies, is characterized in that, comprising:
Acquisition module, for obtaining the numbering of subscriber equipment in group, the measurement Resource Unit that comprises of the measuring reference signals resource reserved for described group and described measuring reference signals resource;
Receiver module, for receiving the trigger message that base station is sent by physical layer descending control channel, described trigger message comprises trigger command part, and described trigger command part is used to indicate the subscriber equipment be triggered in described group and sends measuring reference signals;
Search module, for the measurement Resource Unit comprised according to the numbering of described subscriber equipment in group, the measuring reference signals resource reserved for described group and described measuring reference signals resource, search the measurement Resource Unit that described base station is described user equipment allocation;
Second sending module, for described search module searches to measurement Resource Unit on send measuring reference signals.
15. subscriber equipmenies according to claim 14, is characterized in that, described in search module and comprise:
First searches submodule, for according to the numbering of described subscriber equipment in group, searches the measurement Resource Unit that described base station is the predetermined quantity of described user equipment allocation in order in described measuring reference signals resource.
16. subscriber equipmenies according to claim 14, is characterized in that,
The trigger message that described receiver module receives also comprises: measure number of resource units part, be used to indicate the number of the measurement Resource Unit into described user equipment allocation;
Described module of searching comprises:
Second searches submodule, for according to the numbering of described subscriber equipment in group, described base station is searched in order for described user equipment allocation, the measurement Resource Unit corresponding with the number that described measurement number of resource units part indicates in described measuring reference signals resource.
17. subscriber equipmenies according to claim 14, is characterized in that,
The trigger message that described receiver module receives also comprises: measure number of resource units part and measure Resource Unit indicating section; Described measurement number of resource units part is used to indicate the number of the measurement Resource Unit into described user equipment allocation; Described measurement Resource Unit indicating section is used to indicate the measurement Resource Unit for described user equipment allocation in described measuring reference signals resource;
Described module of searching comprises:
3rd searches submodule, for according to the numbering of described subscriber equipment in group, in described measuring reference signals resource, search described base station according to described measurement Resource Unit indicating section is described user equipment allocation, the measurement Resource Unit corresponding with the number that described measurement number of resource units part indicates.
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| KR101526163B1 (en) * | 2012-09-07 | 2015-06-05 | 주식회사 케이티 | Method for Transmitting and Receiving Configuration Information of Interference Measurement Resource, Method for Measuring Interference Measurement Resource, Terminal and Transmission Point thereof |
| WO2015109495A1 (en) * | 2014-01-23 | 2015-07-30 | 华为技术有限公司 | Method for measuring channel state information and network node |
| CN106254047B (en) | 2015-08-31 | 2019-12-06 | 北京智谷技术服务有限公司 | sounding reference signal scheduling method, sending method and device thereof |
| US10397940B2 (en) * | 2016-07-29 | 2019-08-27 | Qualcomm Incorporated | Techniques for dynamically allocating uplink resources in wireless communications |
| CN107734566B (en) * | 2016-08-10 | 2020-12-01 | 华为技术有限公司 | Reference signal measuring method and device |
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| CN101330321A (en) * | 2007-06-19 | 2008-12-24 | 日本电气株式会社 | Method and device for assigning reference signal sequences in mobile communications system |
| CN101433038A (en) * | 2006-05-01 | 2009-05-13 | 卢森特技术有限公司 | Method of assigning uplink reference signals |
| CN101541085A (en) * | 2009-04-27 | 2009-09-23 | 中兴通讯股份有限公司 | Sending and using method of measure-reference signals |
| WO2009132591A1 (en) * | 2008-04-29 | 2009-11-05 | 大唐移动通信设备有限公司 | Method and device for configuring uplink sounding reference signal |
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| JP4563415B2 (en) * | 2007-02-14 | 2010-10-13 | 株式会社エヌ・ティ・ティ・ドコモ | Base station apparatus, user apparatus and method used in mobile communication system |
| US20090046645A1 (en) * | 2007-08-13 | 2009-02-19 | Pierre Bertrand | Uplink Reference Signal Sequence Assignments in Wireless Networks |
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| CN101433038A (en) * | 2006-05-01 | 2009-05-13 | 卢森特技术有限公司 | Method of assigning uplink reference signals |
| CN101330321A (en) * | 2007-06-19 | 2008-12-24 | 日本电气株式会社 | Method and device for assigning reference signal sequences in mobile communications system |
| WO2009132591A1 (en) * | 2008-04-29 | 2009-11-05 | 大唐移动通信设备有限公司 | Method and device for configuring uplink sounding reference signal |
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