CN109587786A - Detect the method, apparatus and user equipment of TRS - Google Patents
Detect the method, apparatus and user equipment of TRS Download PDFInfo
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- CN109587786A CN109587786A CN201710910732.8A CN201710910732A CN109587786A CN 109587786 A CN109587786 A CN 109587786A CN 201710910732 A CN201710910732 A CN 201710910732A CN 109587786 A CN109587786 A CN 109587786A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000011664 signaling Effects 0.000 claims abstract description 83
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- 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
Abstract
The present invention provides a kind of method, apparatus and user equipment for detecting TRS.The described method includes: detection triggers the Downlink Control Information of TRS on n-th of time slot, n-th of time slot is that user equipment needs to monitor any one of time slot of down control channel；When detecting the Downlink Control Information of triggering TRS on n-th of time slot, determine on the n-th+k to the n-th+k+m time slots there is TRS, wherein, the value of the k is predefined good, or it is specified by base station by radio resource control RRC signaling, perhaps it indicates in the Downlink Control Information of triggering TRS or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS；The m value is to predefine well, is perhaps specified by base station by RRC signaling and perhaps indicates in the Downlink Control Information of triggering TRS or specify jointly by RRC signaling and in the Downlink Control Information of triggering TRS.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of method, apparatus and user equipment for detecting TRS.
Background technique
When time-frequency track reference signal (Tracking Reference Signal, TRS) can be used for user equipment progress
The estimation etc. of frequency tracking and doppler spread.Generally, TRS is periodic signal, be conducive in this way user equipment periodically with
Inclined, frequency deviation and doppler spread etc. when track.But in certain scenes, with aperiodic TRS (Aperiodic TRS) and/or half
Lasting TRS (Semi-persistent TRS) is proper, base station can be allowed to decide whether to send TRS on demand, and inform user
The presence and configuration of this TRS of equipment.
For example, scene one: entering DRX ON duration (Discontinuous Reception ON in user equipment
Duration, discontinuous reception opening time) when, if base station uses PDCCH (Physical Downlink Control
Channel, Physical Downlink Control Channel) in the schedule information schedules user equipment receive PDSCH (Physical
Downlink Shared Channel, Physical Downlink Shared Channel), then base station needs to send an aperiodic TRS, so as to
Family equipment quickly carries out Time and Frequency Synchronization or doppler spread estimation；If base station does not dispatch the user equipment and receives PDSCH, base
Standing also, no need to send an aperiodic TRS at all.
Scene two: in LAA (Licensed Assisted Access, the access of authorization auxiliary), if the base station find that letter
Road is idle, and receives PDSCH using schedule information schedules user equipment in PDCCH, then base station need to send one it is non-
Cycle T RS, so that user equipment quickly carries out Time and Frequency Synchronization or doppler spread estimation；If base station does not dispatch the user equipment
PDSCH is received, then also no need to send an aperiodic TRS at all for base station.Aperiodic TRS can generally be controlled by downlink to be believed
(Downlink Control Information, DCI) is ceased to trigger.But how to design trigger aperiodic TRS DCI and
The problem of related procedure is urgent need to resolve.
Summary of the invention
The method, apparatus and user equipment of detection TRS provided by the invention, can be detected by Downlink Control Information
TRS。
In a first aspect, the present invention provides a kind of method for detecting TRS, comprising:
The Downlink Control Information of detection triggering TRS on n-th of time slot, n-th of time slot are that user equipment needs to supervise
Listen any one of the time slot of down control channel；
When detecting the Downlink Control Information of triggering TRS on n-th of time slot, the n-th+k to the n-th+k+m time slots are determined
On have TRS, wherein the value of the k be it is predefined good, perhaps specified or triggered by RRC signaling by base station
It indicates in the Downlink Control Information of TRS, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS；The m
Value is to predefine well, is perhaps specified by base station by RRC signaling or is indicated in the Downlink Control Information of triggering TRS,
Or it is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS.
Optionally, the method also includes:
If detecting the message of triggering TRS on n-th of time slot, TRS is begun to use to carry out time-frequency tracking, Doppler
Estimation and automatic growth control.
Optionally, paging group instruction, paging instruction, scheduling group are further comprised in the Downlink Control Information of the triggering TRS
Instruction or scheduling instruction.
Optionally, the message package of TRS is triggered contained in paging group instruction, paging instruction, the instruction of scheduling group or scheduling instruction
In corresponding control message.
Optionally, the message for triggering TRS is implicitly contained in paging group instruction, paging instruction, the instruction of scheduling group or adjusts
Degree indicates in corresponding control message, that is, if detecting that paging group instruction, paging instruction, scheduling group refer on n-th of time slot
Show or dispatch instruction, then it is determined that having TRS on the n-th+k to the n-th+k+m time slots.
Optionally, the n-th+k time slots are first time slot of discontinuous reception opening time.
Optionally, n-th of time slot is the time slot of any Real-Time Scheduling.
Optionally, the Downlink Control Information of the triggering TRS includes whether 1 bit indication TRS enables.
Optionally, the Downlink Control Information of the triggering TRS includes A bit indication TRS from 2AIt is selected in a configuration set
Which configuration, the configuration set are indicated by base station by RRC signaling.
Optionally, the polymerization grade of the corresponding PDCCH of Downlink Control Information of the triggering TRS is believed by base station by RRC
It enables specified.
Optionally, the RNTI of the corresponding PDCCH of Downlink Control Information of the triggering TRS is that a group of user equipments is corresponding
RNTI.
Optionally, base station uses RRC signaling to configure in the configuration set of TRS using special TRS as one in TRS configuration
, wherein including TRS and PDCCH DMRS in special TRS.
Optionally, the configuration item of special TRS is triggered as TRS in base station in Downlink Control Information.
Optionally, base station uses RRC signaling using PDCCH DMRS as the configuration item configured independently of TRS.
Optionally, the method also includes:
Determine that the PDCCH DMRS on the n-th+k2 to the n-th+k2+m2 time slots is used as a part of special TRS, wherein
The value of the k2 is to predefine well, is perhaps specified by base station by RRC signaling or is believed in the downlink control of triggering TRS
It indicates in breath, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS；The m2 value is to predefine
, it is perhaps specified by base station by RRC signaling and is perhaps indicated or in the Downlink Control Information of triggering TRS by RRC signaling
It is specified jointly with the Downlink Control Information in triggering TRS.
Optionally, the TRS is aperiodic TRS and/or semi-continuous TRS.
Optionally, the time slot is mini-slot.
Second aspect, the present invention provide a kind of device for detecting TRS, comprising:
Detection unit, for the Downlink Control Information of the detection triggering TRS on n-th of time slot, n-th of time slot is to use
Family equipment needs to monitor any one of time slot of down control channel；
Determination unit, for determining that the n-th+k is arrived when detecting the Downlink Control Information of triggering TRS on n-th of time slot
There is TRS on n-th+k+m time slots, wherein the value of the k is predefined good, or is referred to by base station by RRC signaling
It is fixed, it perhaps indicates in the Downlink Control Information of triggering TRS or is total to by RRC signaling and in the Downlink Control Information of triggering TRS
With specified；The m value is to predefine well, is perhaps specified by RRC signaling by base station or is being taken the downlink for triggering TRS
It indicates in control information, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS.
Optionally, described device further include:
Processing unit, for beginning to use TRS to carry out time-frequency when detecting the message of triggering TRS on n-th of time slot
Tracking, Doppler's estimation and automatic growth control.
Optionally, paging group instruction, paging instruction, scheduling group are further comprised in the Downlink Control Information of the triggering TRS
Instruction or scheduling instruction.
Optionally, the message package of TRS is triggered contained in paging group instruction, paging instruction, the instruction of scheduling group or scheduling instruction
In corresponding control message.
Optionally, the message for triggering TRS is implicitly contained in paging group instruction, paging instruction, the instruction of scheduling group or adjusts
Degree indicates in corresponding control message, that is, if detecting that paging group instruction, paging instruction, scheduling group refer on n-th of time slot
Show or dispatch instruction, then it is determined that having TRS on the n-th+k to the n-th+k+m time slots.
Optionally, the n-th+k time slots are first time slot in the discontinuous reception opening time.
Optionally, n-th of time slot is the time slot of any Real-Time Scheduling.
Optionally, the Downlink Control Information of the triggering TRS includes whether 1 bit indication TRS enables.
Optionally, the Downlink Control Information of the triggering TRS includes A bit indication TRS from 2AIt is selected in a configuration set
Which configuration, the configuration set are indicated by base station by RRC signaling.
Optionally, the polymerization grade of the corresponding PDCCH of Downlink Control Information of the triggering TRS is believed by base station by RRC
It enables specified.
Optionally, the RNTI of the corresponding PDCCH of Downlink Control Information of the triggering TRS is that a group of user equipments is corresponding
RNTI.
Optionally, base station uses RRC signaling to configure in the configuration set of TRS using special TRS as one in TRS configuration
, wherein including TRS and PDCCH DMRS in special TRS.
Optionally, the configuration item of special TRS is triggered as TRS in base station in Downlink Control Information.
Optionally, base station uses RRC signaling using PDCCH DMRS as the configuration item configured independently of TRS.
Optionally, the determination unit is also used to determine PDCCH DMRS on the n-th+k2 to the n-th+k2+m2 time slots all
A part as special TRS, wherein the value of the k2 is predefined good, or is specified by base station by RRC signaling,
Perhaps triggering TRS Downlink Control Information in indicate or by RRC signaling and triggering TRS Downlink Control Information it is common
It is specified；The m2 value is to predefine well, is perhaps specified by base station by RRC signaling or is controlled in the downlink of triggering TRS
It indicates in information, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS.
Optionally, the TRS is aperiodic TRS and/or semi-continuous TRS.
Optionally, the time slot is mini-slot.
The third aspect, the present invention provide a kind of user equipment, and the user equipment includes the device of above-mentioned detection TRS.
The method, apparatus and user equipment of detection TRS provided in an embodiment of the present invention, detects triggering on n-th of time slot
The Downlink Control Information of TRS, n-th of time slot need to monitor any one in the time slot of down control channel for user equipment
It is a, when detecting the Downlink Control Information of triggering TRS on n-th of time slot, determine on the n-th+k to the n-th+k+m time slots all
There is TRS, wherein the value of the k is to predefine well, is perhaps specified by RRC signaling by base station or is being triggered TRS's
It indicates in Downlink Control Information, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS；The m value is
It has been predefined that, perhaps specified by base station by RRC signaling or indicated in the Downlink Control Information of triggering TRS, Huo Zheyou
RRC signaling and triggering TRS Downlink Control Information specify jointly, so as to detect TRS by Downlink Control Information.
Detailed description of the invention
Fig. 1 is the flow chart for the method that one embodiment of the invention detects TRS；
Fig. 2 is the structural schematic diagram for the device that one embodiment of the invention detects TRS.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of method for detecting TRS, as shown in Figure 1, which comprises
S11, detection triggers the Downlink Control Information of TRS on n-th of time slot, and n-th of time slot needs for user equipment
Monitor any one of the time slot of down control channel.
S12, when detecting the Downlink Control Information of triggering TRS on n-th of time slot, determine the n-th+k to the n-th+k+m
There is TRS on time slot, wherein the value of the k is to predefine well, is perhaps specified or is being touched by RRC signaling by base station
It sends out in the Downlink Control Information of TRS and indicates, or specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS；It is described
M value is to predefine well, is perhaps specified by base station by RRC signaling or is referred in the Downlink Control Information of triggering TRS
Show, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS.
The method of detection TRS provided in an embodiment of the present invention, the downlink of detection triggering TRS controls letter on n-th of time slot
Breath, n-th of time slot is that user equipment needs to monitor any one of time slot of down control channel, when at n-th
When detecting the Downlink Control Information of triggering TRS in gap, determine on the n-th+k to the n-th+k+m time slots there is TRS, wherein described
The value of k is to predefine well, is perhaps specified by base station by RRC signaling or is referred in the Downlink Control Information of triggering TRS
Show, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS；The m value is predefined good, or
It is specified by base station by RRC signaling, perhaps indicated in the Downlink Control Information of triggering TRS or by RRC signaling and triggered
The Downlink Control Information of TRS is specified jointly, so as to detect TRS by Downlink Control Information.
Optionally, the method also includes:
If detecting the message of triggering TRS on n-th of time slot, TRS is begun to use to carry out time-frequency tracking, Doppler
Estimation and automatic growth control.
Paging group instruction (Paging Group is further comprised in the Downlink Control Information of the triggering TRS
Indicator), paging instruction (Paging Indicator), scheduling group instruction (Grant Group Indicator) or tune
Degree instruction (Grant Indicator).
Optionally, the message package of TRS is triggered contained in paging group instruction, paging instruction, the instruction of scheduling group or scheduling instruction
In corresponding control message.
Optionally, the message for triggering TRS is implicitly contained in paging group instruction, paging instruction, the instruction of scheduling group or adjusts
Degree indicates in corresponding control message, that is, if detecting that paging group instruction, paging instruction, scheduling group refer on n-th of time slot
Show or dispatch instruction, then it is determined that having TRS on the n-th+k to the n-th+k+m time slots.
Optionally, the n-th+k time slots are first time slot in the discontinuous reception opening time.
Optionally, n-th of time slot is the time slot of any Real-Time Scheduling.
Optionally, the value of k is 0 or 1 or 2；
Optionally, when n-th of time slot is first time slot in the discontinuous reception opening time, the value of k is 1 or 2；
When n-th of time slot is the time slot of any scheduling, the value of k is 0.
Optionally, the value of m is 0,1 or 2.
Optionally, the Downlink Control Information of the triggering TRS includes whether 1 bit indication TRS enables.
Optionally, the Downlink Control Information of the triggering TRS includes A bit indication TRS from 2AIt is selected in a configuration set
Which configuration, the configuration set are indicated by base station by RRC signaling.
Optionally, the polymerization grade of the corresponding PDCCH of Downlink Control Information of the triggering TRS is believed by base station by RRC
It enables and specifying, so as to reduce blind examination number.
Optionally, RNTI (the Radio Network of the corresponding PDCCH of Downlink Control Information of the triggering TRS
Tempory Identity, radio network temporary identifier) it is the corresponding RNTI of a group of user equipments.
Wherein, the DCI of TRS can be indicated with paging group or scheduling group indicates combined coding.
Optionally, Time and Frequency Synchronization is completed as early as possible due to requiring user equipment in the scene of TRS, it is therefore desirable to increase TRS
Symbolic number.And the distance between adjacent two symbols of TRS cannot be too small, when otherwise Noise Correlation will affect offset estimation
Estimation accuracy.There is certain distance between adjacent two symbols in order to not only keep TRS, but also increases the symbolic number of TRS, it can be with
The DMRS (Demodulation Reference Signal, demodulated reference signal) of PDCCH also as the symbol of TRS, because
PDCCH DMRS can have wider bandwidth, and frequency domain density is also higher, relatively be suitble to the symbol as TRS.Specifically,
Base station uses RRC signaling in the configuration set of TRS using special TRS as a configuration item in TRS configuration, wherein special TRS
In include TRS and PDCCH DMRS, the configuration item of special TRS is triggered as TRS in base station in DCI.
If user equipment detects that the DCI of TRS, user equipment determine the n-th to the n-th+k2 on the n-th-k time slots
PDCCH DMRS on+m2 time slots is used as a part of special TRS.
Optionally, base station uses RRC signaling using PDCCH DMRS as the configuration item configured independently of TRS.
Optionally, the method also includes:
When detecting the Downlink Control Information of triggering TRS on n-th of time slot, the n-th+k2 to the n-th+k2+m2 are determined
PDCCH DMRS on time slot is used as a part of special TRS, wherein the value of the k2 is predefined good, Huo Zheyou
Base station is specified by RRC signaling, perhaps indicates in the Downlink Control Information of triggering TRS or by RRC signaling and is triggering
The Downlink Control Information of TRS is specified jointly；The m2 value is predefined good, or is specified by base station by RRC signaling, or
Person indicates in the Downlink Control Information of triggering TRS, or refers to jointly by RRC signaling and in the Downlink Control Information of triggering TRS
It is fixed.
Optionally, above-mentioned TRS is aperiodic TRS and/or semi-continuous TRS.
Optionally, the time slot is mini-slot (mini-slot).
Combined with specific embodiments below, the method for present invention detection TRS is described in detail by taking aperiodic TRS as an example.
Scene one: when user equipment enters DRX ON duration, aperiodic TRS is triggered before scheduled time slot,
User equipment completes Time and Frequency Synchronization before receiving PDSCH and starting, rapidly to receive PDSCH, because only that completing time-frequency
The demodulation and decoding of PDSCH could be started after synchronizing.Specifically, user equipment detects aperiodic TRS on the n-th-k time slots
DCI, user equipment detects scheduling DCI on n-th of time slot, wherein n-th time slot is first in DRX ON duration
A time slot.The value of typical k can be 1 or 2.The DCI of aperiodic TRS includes the value of B bit indication k.Aperiodic TRS's
DCI can be indicated with paging group or scheduling group indicates combined coding.
Scene two: in LAA, aperiodic TRS is triggered in scheduled time slot, and user equipment is scheduled
Time and Frequency Synchronization is completed in PDSCH, because LAA scheduling can not carry out in advance, base station once finds channel idle, dispatches user immediately
Equipment simultaneously sends PDSCH.Specifically, user equipment detects the DCI of aperiodic TRS on n-th of time slot, user equipment is
Detection scheduling DCI on n time slot, wherein n-th of time slot is first time slot of scheduling.
The embodiment of the present invention also provides a kind of device for detecting TRS, as shown in Fig. 2, described device includes:
Detection unit 11, for the Downlink Control Information of the detection triggering TRS on n-th of time slot, n-th of time slot is
User equipment needs to monitor any one of time slot of down control channel；
Determination unit 12, for determining the n-th+k when detecting the Downlink Control Information of triggering TRS on n-th of time slot
There is TRS on to the n-th+k+m time slots, wherein the value of the k is predefined good, or is referred to by base station by RRC signaling
It is fixed, it perhaps indicates in the Downlink Control Information of triggering TRS or is total to by RRC signaling and in the Downlink Control Information of triggering TRS
With specified；The m value be it is predefined good, perhaps specified by RRC signaling by base station or triggering TRS downlink control
It indicates in information processed, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS.
The device of detection TRS provided in an embodiment of the present invention, the downlink of detection triggering TRS controls letter on n-th of time slot
Breath, n-th of time slot is that user equipment needs to monitor any one of time slot of down control channel, when at n-th
When detecting the Downlink Control Information of triggering TRS in gap, determine on the n-th+k to the n-th+k+m time slots there is TRS, wherein described
The value of k is to predefine well, is perhaps specified by base station by RRC signaling or is referred in the Downlink Control Information of triggering TRS
Show, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS；The m value is predefined good, or
It is specified by base station by RRC signaling, perhaps indicated in the Downlink Control Information of triggering TRS or by RRC signaling and triggered
The Downlink Control Information of TRS is specified jointly, so as to detect TRS by Downlink Control Information.
Optionally, described device further include:
Processing unit, for beginning to use TRS to carry out time-frequency when detecting the message of triggering TRS on n-th of time slot
Tracking, Doppler's estimation and automatic growth control.
Optionally, paging group instruction, paging instruction, scheduling group are further comprised in the Downlink Control Information of the triggering TRS
Instruction or scheduling instruction.
Optionally, the message package of TRS is triggered contained in paging group instruction, paging instruction, the instruction of scheduling group or scheduling instruction
In corresponding control message.
Optionally, the message for triggering TRS is implicitly contained in paging group instruction, paging instruction, the instruction of scheduling group or adjusts
Degree indicates in corresponding control message, that is, if detecting that paging group instruction, paging instruction, scheduling group refer on n-th of time slot
Show or dispatch instruction, then it is determined that having TRS on the n-th+k to the n-th+k+m time slots.
Optionally, the n-th+k time slots are first time slot in the discontinuous reception opening time.
Optionally, n-th of time slot is the time slot of any Real-Time Scheduling.
Optionally, when n-th time slot is first time slot in the discontinuous reception opening time, the value of k be 0,1 or
2；
When n-th of time slot is the time slot of any scheduling, the value of k is 0.
Optionally, the value of m is 0,1 or 2.
Optionally, the Downlink Control Information of the triggering TRS includes whether 1 bit indication TRS enables.
Optionally, the Downlink Control Information of the triggering TRS includes A bit indication TRS from 2AIt is selected in a configuration set
Which configuration, the configuration set are indicated by base station by RRC signaling.
Optionally, the polymerization grade of the corresponding PDCCH of Downlink Control Information of the triggering TRS is believed by base station by RRC
It enables specified.
Optionally, the RNTI of the corresponding PDCCH of Downlink Control Information of the triggering TRS is that a group of user equipments is corresponding
RNTI.
Optionally, base station uses RRC signaling to configure in the configuration set of TRS using special TRS as one in TRS configuration
, wherein including TRS and PDCCH DMRS in special TRS.
Optionally, the configuration item of base station special TRS in Downlink Control Information is as TRS.
Optionally, base station uses RRC signaling using PDCCH DMRS as the configuration item configured independently of TRS.
Optionally, the determination unit 12 is also used to determine the PDCCH DMRS on the n-th+k2 to the n-th+k2+m2 time slots
A part all as special TRS, wherein the value of the k2 is predefined good, or is referred to by base station by RRC signaling
It is fixed, it perhaps indicates in the Downlink Control Information of triggering TRS or is total to by RRC signaling and in the Downlink Control Information of triggering TRS
With specified；The m2 value be it is predefined good, perhaps specified by RRC signaling by base station or triggering TRS downlink control
It indicates in information processed, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS.
Optionally, the TRS is aperiodic TRS and/or semi-continuous TRS.
Optionally, the time slot is mini-slot.
The device of the present embodiment can be used for executing the technical solution of above method embodiment, realization principle and technology
Effect is similar, and details are not described herein again.
The embodiment of the present invention also provides a kind of user equipment, and the user equipment includes the device of above-mentioned detection TRS.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (35)
1. a kind of method for detecting TRS characterized by comprising
The Downlink Control Information of detection triggering TRS on n-th of time slot, n-th of time slot are under user equipment needs to monitor
Any one of the time slot of row control channel；
When detecting the Downlink Control Information of triggering TRS on n-th of time slot, determine on the n-th+k to the n-th+k+m time slots all
Have TRS, wherein the value of the k be it is predefined good, perhaps specified by radio resource control RRC signaling by base station or
It indicates in the Downlink Control Information of triggering TRS, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS；
The m value be it is predefined good, perhaps specified by RRC signaling by base station or in the Downlink Control Information of triggering TRS
Instruction, or specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS.
2. the method according to claim 1, wherein the method also includes:
If detecting the message of triggering TRS on n-th of time slot, TRS is begun to use to carry out time-frequency tracking, Doppler's estimation
And automatic growth control.
3. the method according to claim 1, wherein being further comprised in the Downlink Control Information of the triggering TRS
Paging group instruction, paging instruction, the instruction of scheduling group or scheduling instruction.
4. the method according to claim 1, wherein the message package of triggering TRS refers to contained in paging group instruction, paging
Show, the instruction of scheduling group or scheduling indicate in corresponding control message.
5. the method according to claim 1, wherein triggering TRS message be implicitly contained in paging group instruction,
Paging instruction, the instruction of scheduling group or scheduling indicate in corresponding control message, that is, seek if detected on n-th of time slot
A group instruction, paging instruction, the instruction of scheduling group or scheduling instruction are exhaled, then it is determined that having on the n-th+k to the n-th+k+m time slots
TRS。
6. the method according to claim 1, wherein the n-th+k time slots are the of discontinuous reception opening time
One time slot.
7. the method according to claim 1, wherein n-th of time slot is the time slot of any Real-Time Scheduling.
8. the method according to claim 1, wherein the Downlink Control Information of the triggering TRS includes that 1 ratio refers in particular to
Show whether TRS enables.
9. the method according to claim 1, wherein the Downlink Control Information of the triggering TRS includes that A ratio refers in particular to
Show TRS from 2AWhich selects configure in a configuration set, the configuration set is indicated by base station by RRC signaling.
10. the method according to claim 1, wherein the corresponding physics of Downlink Control Information of the triggering TRS
The polymerization grade of down control channel PDCCH is specified by base station by RRC signaling.
11. the method according to claim 1, wherein the Downlink Control Information of the triggering TRS is corresponding
The radio network temporary identifier RNTI of PDCCH is the corresponding RNTI of a group of user equipments.
12. according to the method described in claim 9, it is characterized in that, base station RRC signaling will be special in the configuration set of TRS
Different TRS is as a configuration item in TRS configuration, wherein including TRS and PDCCH DMRS in special TRS.
13. according to the method for claim 12, which is characterized in that trigger special TRS's in Downlink Control Information in base station
Configuration item is as TRS.
14. according to the method described in claim 9, it is characterized in that, base station use RRC signaling using PDCCH DMRS as independently of
One configuration item of TRS configuration.
15. according to the method for claim 14, which is characterized in that the method also includes:
Determine that the PDCCH DMRS on the n-th+k2 to the n-th+k2+m2 time slots is used as a part of special TRS, wherein described
The value of k2 be it is predefined good, perhaps specified by RRC signaling by base station or in the Downlink Control Information of triggering TRS
Instruction, or specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS；The m2 value is predefined good, or
Person is specified by base station by RRC signaling, is perhaps indicated in the Downlink Control Information of triggering TRS or by RRC signaling and is being touched
The Downlink Control Information of hair TRS is specified jointly.
16. according to claim 1 to method described in any one of 15, which is characterized in that the TRS be aperiodic TRS and/or
Semi-continuous TRS.
17. according to claim 1 to method described in any one of 15, which is characterized in that the time slot is mini-slot.
18. a kind of device for detecting TRS characterized by comprising
Detection unit, for the Downlink Control Information of the detection triggering TRS on n-th of time slot, n-th of time slot sets for user
It is standby to need to monitor any one of time slot of down control channel；
Determination unit, for when detected on n-th of time slot triggering TRS Downlink Control Information when, determine the n-th+k to n-th+
There is TRS on k+m time slot, wherein the value of the k is predefined good, or is specified by base station by RRC signaling, or
Person indicates in the Downlink Control Information of triggering TRS, or refers to jointly by RRC signaling and in the Downlink Control Information of triggering TRS
It is fixed；The m value is to predefine well, is perhaps specified by base station by RRC signaling or is believed in the downlink control of triggering TRS
It indicates in breath, or is specified jointly by RRC signaling and in the Downlink Control Information of triggering TRS.
19. device according to claim 18, which is characterized in that described device further include:
Processing unit, for when detected on n-th of time slot triggering TRS message when, begin to use TRS carry out time-frequency with
Track, Doppler's estimation and automatic growth control.
20. device according to claim 18, which is characterized in that also include in the Downlink Control Information of the triggering TRS
Paging group instruction, paging instruction, the instruction of scheduling group or scheduling instruction.
21. device according to claim 18, which is characterized in that trigger the message package of TRS contained in paging group instruction, paging
Instruction, the instruction of scheduling group or scheduling indicate in corresponding control message.
22. device according to claim 18, which is characterized in that the message for triggering TRS is implicitly contained in paging group and refers to
Show, page in instruction, the instruction of scheduling group or the corresponding Downlink Control Information of scheduling instruction, that is, if examined on n-th of time slot
Paging group instruction, paging instruction, the instruction of scheduling group or scheduling instruction are measured, then it is determined that on the n-th+k to the n-th+k+m time slots
There is TRS.
23. device according to claim 18, which is characterized in that the n-th+k time slots are in the discontinuous reception opening time
First time slot.
24. device according to claim 18, which is characterized in that n-th of time slot is the time slot of any Real-Time Scheduling.
25. device according to claim 18, which is characterized in that the Downlink Control Information of the triggering TRS includes 1 bit
Whether instruction TRS enables.
26. device according to claim 18, which is characterized in that the Downlink Control Information of the triggering TRS includes A bit
Indicate TRS from 2AWhich selects configure in a configuration set, the configuration set is indicated by base station by RRC signaling.
27. device according to claim 18, which is characterized in that the Downlink Control Information of the triggering TRS is corresponding
The polymerization grade of PDCCH is specified by base station by RRC signaling.
28. device according to claim 18, which is characterized in that the Downlink Control Information of the triggering TRS is corresponding
The RNTI of PDCCH is the corresponding RNTI of a group of user equipments.
29. device according to claim 26, which is characterized in that base station RRC signaling will be special in the configuration set of TRS
Different TRS is as a configuration item in TRS configuration, wherein including TRS and PDCCH DMRS in special TRS.
30. device according to claim 29, which is characterized in that trigger special TRS's in Downlink Control Information in base station
Configuration item is as TRS.
31. device according to claim 26, which is characterized in that use RRC signaling using PDCCH DMRS as independently in base station
In a configuration item of TRS configuration.
32. device according to claim 31, which is characterized in that the determination unit is also used to determine the n-th+k2 to n-th
PDCCH DMRS on+k2+m2 time slots is used as a part of special TRS, wherein the value of the k2 is to predefine
, it is perhaps specified by base station by RRC signaling and is perhaps indicated or in the Downlink Control Information of triggering TRS by RRC signaling
It is specified jointly with the Downlink Control Information in triggering TRS；The m2 value is predefined good, or is believed by base station by RRC
It enables and specifying, perhaps indicated in the Downlink Control Information of triggering TRS or control letter by RRC signaling and in the downlink of triggering TRS
Breath is common specified.
33. device described in any one of 8 to 32 according to claim 1, which is characterized in that the TRS be aperiodic TRS and/
Or semi-continuous TRS.
34. device described in any one of 8 to 32 according to claim 1, which is characterized in that the time slot is mini-slot.
35. a kind of user equipment, which is characterized in that the user equipment includes as described in any one of claim 18 to 34
Detect the device of TRS.
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