CN110324127A - PDCCH monitors candidate distribution method and network side equipment - Google Patents
PDCCH monitors candidate distribution method and network side equipment Download PDFInfo
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- CN110324127A CN110324127A CN201810276551.9A CN201810276551A CN110324127A CN 110324127 A CN110324127 A CN 110324127A CN 201810276551 A CN201810276551 A CN 201810276551A CN 110324127 A CN110324127 A CN 110324127A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
-
- 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
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- 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 discloses the distribution/mapping method and terminal device of a kind of PDCCH candidate/channel estimation number, if total PDCCH candidate number that method includes: terminal device in current time slots is greater than the maximum PDCCH candidate number that terminal device is supported, or the channel estimation number that terminal device needs is more than the maximum channel estimative figure that terminal device is supported, then according at least one information, distribution/mapping PDCCH is candidate between multiple monitoring chances of current time slots or channel estimation number, at least one information includes monitoring the OFDM symbol position of chance, the associated scheduled native region priority of search space collection, service priority, channel priority, the candidate corresponding DCI format of the PDCCH that search space collection is monitored, the at least one of RNTI.The scheme of the embodiment of the present invention can make full use of the processing capacity of UE, maximize control resource allocation, reduces control channel and distributes blocking probability, while guaranteeing the processing capacity for being no more than UE.
Description
Technical field
Candidate distribution method and network are monitored the present invention relates to the communications field/field of terminal more particularly to a kind of PDCCH
Side apparatus.
Background technique
5G NR system supports to be that user equipment (User Equipment, UE) configures multiple control resource set (Control
Resource Set, CORESET) and multiple search space collection (Search Space Set), and be each search space collection
Flexible configuration Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH) number of candidates.It searches
The monitoring of rope space collection can be any one or more orthogonal frequency division multiplexi (Orthogonal in time slot (slot)
Frequency Division Multiplexing, OFDM) symbol, and multiple search space collection can be partially or completely overlapped.
Agreement does not provide the distribution of PDCCH candidate or channel estimation number at present.
Summary of the invention
The purpose of the embodiment of the present invention is that a kind of distribution method and network side equipment that PDCCH monitoring is candidate is provided, with energy
The processing capacity of UE is enough made full use of, control resource allocation is maximized, control channel is reduced and distributes blocking probability, while guaranteeing not
Processing capacity more than UE.
In a first aspect, a kind of distribution method that PDCCH monitoring is candidate is provided, this method comprises: if in current time slots
Total PDCCH candidate's number of terminal device is greater than the maximum PDCCH candidate number that the terminal device is supported or the terminal device is total
The channel estimation number needed altogether is more than the maximum channel estimative figure that the terminal device is supported, then is being deserved according at least one information
Distribution/mapping PDCCH is candidate between multiple monitoring chances of preceding time slot or channel estimation number, at least one information include monitoring
The OFDM symbol position of chance, the priority of the associated scheduled cell of search space collection, the priority of business, channel it is preferential
At least one of the candidate corresponding DCI format of the PDCCH that grade, search space collection are monitored, RNTI.
Second aspect provides a kind of terminal device, which includes:
Distribution/mapping block is set if total PDCCH candidate's number for terminal device in current time slots is greater than the terminal
The channel estimation number that the standby maximum PDCCH candidate number supported or the terminal device need in total is supported more than the terminal device
Maximum channel estimative figure, then according to distribution/mapping between at least one information in this prior multiple monitoring chances of time slot
PDCCH candidate or channel estimation number,
Wherein, which includes that monitor the OFDM symbol position of chance, search space collection associated scheduled
The candidate corresponding DCI lattice of the PDCCH that the priority of cell, the priority of business, the priority of channel, search space collection are monitored
At least one of formula, RNTI.
The third aspect provides a kind of terminal device, which includes processor, memory and be stored in described deposit
On reservoir and the computer program that can run on the processor, the computer program are realized when being executed by the processor
The step of method as described in relation to the first aspect.
Fourth aspect provides a kind of computer readable storage medium, which is characterized in that the computer-readable storage medium
Computer program is stored in matter, and the step of method as described in relation to the first aspect is realized when the computer program is executed by processor
Suddenly.
In embodiments of the present invention, which is greater than by total PDCCH candidate's number of the terminal device in current time slots
In the case where the maximum PDCCH candidate number that equipment is supported, or the channel estimation number needed in total in the terminal device is more than to be somebody's turn to do
In the case where the maximum channel estimative figure that terminal device is supported, based on OFDM symbol position, the search space Ji Guan for monitoring chance
The PDCCH candidate that the priority of the scheduled cell of connection, the priority of business, the priority of channel, search space collection are monitored is right
At least one of the DCI format answered, RNTI, distribution/mapping PDCCH is candidate between multiple monitoring chances of time slot in this prior
Or channel estimation number maximizes control resource allocation so as to make full use of the processing capacity of terminal device, reduces control letter
Road distributes blocking probability, while guaranteeing the processing capacity for being no more than terminal device.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that one embodiment PDCCH of the application monitors candidate distribution method flow chart.
Fig. 2 is the structural schematic diagram of one embodiment of the present of invention terminal device.
Fig. 3 is the structural schematic diagram of another embodiment of the invention terminal device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Technical solution of the present invention can be applied to various communication systems, such as: global system for mobile communications (GSM,
Global System of Mobile communication), CDMA (CDMA, Code Division Multiple
Access) system, wideband code division multiple access (WCDMA, Wideband Code Division Multiple Access), general point
Group wireless traffic (GPRS, General Packet Radio Service), long term evolution (LTE, Long Term
Evolution)/enhancing long term evolution (LTE-A, Long Term Evolution advanced), NR (New Radio) etc..
User terminal (UE, User Equipment), also referred to as mobile terminal (Mobile Terminal), mobile use
Family equipment etc., can through wireless access network (for example, RAN, Radio Access Network) and one or more core nets into
Row communication, user equipment can be mobile terminal, such as mobile phone (or being " honeycomb " phone) and the meter with mobile terminal
Calculation machine, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they and nothing
Line access exchanges language and/or data.
Base station can be the base station (BTS, Base Transceiver Station) in GSM or CDMA, be also possible to
Base station (NodeB) in WCDMA can also be evolved base station (eNB or e-NodeB, evolutional Node in LTE
B) and the base station 5G (gNB), the present invention does not limit, but for convenience of description, and following embodiments are illustrated by taking gNB as an example.
The technical solution provided below in conjunction with attached drawing, each embodiment that the present invention will be described in detail.
In order to reduce the implementation complexity of UE, NR system defines maximum PDCCH candidate number of the UE in a time slot (i.e.
Blind examination total degree).
The channel estimation of UE for unit, is assigned with control channel element (Control Channel Element, CCE)
The PDCCH candidate of identical CCE can share to the channel estimation of the CCE as a result, channel estimation number i.e. PDCCH candidate divides
The CCE number for the non-overlap matched.In NR system, different polymerization grades (Aggregation Level, AL) in search space
The position (number for being equivalent to the CCE that it is assigned to) of PDCCH candidate is determined by pseudo-random function (hash function).Cause
This, according to the Hash result of hash function, the candidate CCE possibility distributed of the blind examination of different AL is identical may also be different.Cause
This, different time points, blind examination search space in total needed for channel estimation sum it is also different.NR system defines UE at one
The upper limit of the CCE number of the candidate non-overlap distributed of the PDCCH monitored in gap, i.e. maximum channel estimate amount.
If a search space collection have in time slot multiple and different primary signs monitoring chance or multiple search spaces
The monitoring chance of collection is fallen in the identical or different primary sign in the same time slot, then, UE's is total in a time slot
Blind examination number (i.e. PDCCH candidate number summation) can exceed that the maximum PDCCH candidate number supported or channel estimation number is more than
Maximum channel estimative figure.A suitable scheme is needed at this time, it is between multiple monitoring chances in same time slot and multiple
Reasonable distribution PDCCH is candidate between the search space collection of time domain overlapping.
Fig. 1 is that one embodiment PDCCH of the application monitors candidate distribution method flow chart.The method of Fig. 1 is applied to
Terminal device.The method of Fig. 1 can include:
S110, if total PDCCH candidate's number of terminal device is greater than the maximum that the terminal device is supported in current time slots
The channel estimation number that PDCCH candidate number or the terminal device need in total is more than that the maximum channel of terminal device support is estimated
It counts, then according to distribution between at least one information in this prior multiple monitoring chances of time slot/mapping PDCCH candidate or channel
Estimative figure.
Wherein, which includes that monitor the OFDM symbol position of chance, search space collection associated scheduled
The candidate corresponding DCI lattice of the PDCCH that the priority of cell, the priority of business, the priority of channel, search space collection are monitored
At least one of formula, RNTI.
In the embodiment of the present invention, which is greater than by total PDCCH candidate's number of the terminal device in current time slots and is set
In the case where the standby maximum PDCCH candidate number supported, or the channel estimation number needed in total in the terminal device is more than the end
In the case where the maximum channel estimative figure that end equipment is supported, based on OFDM symbol position, the association of search space collection for monitoring chance
The priority of scheduled cell, the PDCCH candidate that monitors of the priority of business, the priority of channel, search space collection it is corresponding
DCI format, at least one of RNTI, in this prior between multiple monitoring chances of time slot distribution/mapping PDCCH it is candidate or
Channel estimation number maximizes control resource allocation, reduces control channel so as to make full use of the processing capacity of terminal device
Blocking probability is distributed, while guaranteeing the processing capacity for being no more than terminal device.
Optionally, in some embodiments, the search space collection that the terminal device is monitored in the current time slots includes one
Or it is multiple, and the one or more search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, step S110 specifically can be achieved are as follows:
According to the OFDM symbol positions for monitoring chance multiple in the current time slots, the equal proportion point between multiple monitoring chance
With/map PDCCH candidate number or channel estimation number.
For example, the monitoring sum in single time slot as defined in agreement is up to 44.Network is that UE is configured with a search sky
Between collect S1, the monitoring symbol O which integrates is symbol 4 with symbol 8, and CORESET time domain length is 2 symbols, Mei Gejian
Listening the candidate sum of PDCCH required for chance is 40.Then needing the candidate sum of the PDCCH of blind examination in total is 80, has been more than maximum
Monitoring quantity.
At this point, UE can be according to the proportional allocations/mapping between two monitoring chances of maximum monitoring quantity, each monitoring
22 blind examinations are distributed/be mapped to chance, so that it is guaranteed that the candidate sum of the PDCCH in time slot is no more than maximum PDCCH candidate and supervises
Listen quantity.
Optionally, in some embodiments, the search space collection that the terminal device is monitored in the current time slots includes one
Or it is multiple, and the one or more search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, step S110 specifically can be achieved are as follows:
According to the OFDM symbol positions for monitoring chance multiple in the current time slots, preferentially divide in multiple monitoring chance
With/map PDCCH candidate or channel estimation number required for one or more specific monitoring chances.
Further, which is agreement regulation
Or RRC signaling configuration.
Preferably, when which falls in this prior
In the top n symbol of gap, the value of N is configured by RRC signaling or the value of N is by the PDSCH in the system information of Web broadcast
First DMRS positional value of map type A (mapping type A) determines.Particularly, N value is 2 or 3.
For example, the monitoring sum in single time slot as defined in agreement is up to 44.N is indicated in the system information of Web broadcast
Value is 3, and network be UE be configured with a search space collection S1, the monitoring symbol O which integrates as symbol 0,4,8,
CORESET time domain length is 2 symbols, and the candidate sum of PDCCH required for each monitoring chance is 20.Blind examination is then needed in total
The candidate sum of PDCCH be 60, be more than maximum monitoring quantity.
First OFDM symbol for monitoring the corresponding CORESET of chance is 0 with 1, all falls in first three symbol of the time slot
It is interior.UE can preferentially distribute/map the candidate of PDCCH required for the monitoring chance, and first monitoring chance is assigned to 20 blind examinations,
Second, which monitors chance with third, is respectively assigned to 11 blind examinations, so that it is guaranteed that the candidate sum of the PDCCH in time slot is no more than maximum
PDCCH candidate monitor quantity.
CORESET due to falling in first monitoring in first three OFDM symbol has often been multiplexed more UE, this method
It is candidate to ensure that the CORESET of first monitoring there are more blind examination PDCCH, to reduce the probability of control channel obstruction.
Optionally, in some embodiments, the number for the search space collection that the terminal device is monitored in the current time slots is 1
It is a, and there are multiple monitoring chances for the search space collection；
Wherein, step S110 specifically can be achieved are as follows:
It is every in one or more specific monitoring chances based on the specific candidate number of minimum monitoring for monitoring chance is guaranteed
One is monitored PDCCH candidate or the channel estimation number that candidate number is monitored in chance distribution/mapping not less than the minimum.
Further, it is predefined which, which monitors candidate number,；Alternatively, it is that high-level signaling is matched that the minimum, which monitors candidate number,
It sets.
For example, for example, the monitoring sum in single time slot as defined in agreement is up to 44.Network is configured with one for UE and searches
As symbol 4, symbol 6 and symbol 8, CORESET time domain length is 3 symbols by rope space collection S1, the monitoring symbol O which integrates
Number, the candidate sum of PDCCH required for each monitoring chance is 30.Then needing the candidate sum of the PDCCH of blind examination in total is 90, is surpassed
Maximum monitoring quantity is crossed.Network configuration (or agreement is predefined) first monitors each prison in chance and second monitoring
The minimum candidate's number of monitoring for listening chance is 20.
At this point, UE can be assigned with minimum monitoring candidate (20) for first monitoring chance, it is second monitoring chance distribution
Minimum monitoring is candidate (20), monitors chance for third and is assigned with 4 monitorings candidates, so that it is guaranteed that the PDCCH in time slot is waited
Choosing sum is no more than maximum PDCCH candidate and monitors quantity.
Wherein, step S110 specifically can be achieved are as follows:
Based on the specific candidate number of minimum monitoring for monitoring chance is guaranteed, always it is divided into for one or more specific monitoring chances
With/map or channel estimation number candidate not less than the PDCCH of the candidate number of minimum monitoring.
Further, it is predefined which, which monitors candidate number,；Alternatively, it is that high-level signaling is matched that the minimum, which monitors candidate number,
It sets.
In another example the monitoring sum in single time slot as defined in agreement is up to 44.Network is that UE is configured with a search
As symbol 4, symbol 6 and symbol 8, CORESET time domain length is 3 symbols by space collection S1, the monitoring symbol O which integrates
Number, the candidate sum of PDCCH required for each monitoring chance is 30.Then needing the candidate sum of the PDCCH of blind examination in total is 90, is surpassed
Maximum monitoring quantity is crossed.Network configuration (or agreement is predefined) first monitors both chance and second monitoring most
The candidate number of small monitoring is 30.
At this point, UE can distribute/have mapped 15 monitorings candidate number for first monitoring chance, it is second monitoring chance point
With/15 monitorings candidates are had mapped, the two reaches minimum and monitors candidate (30)；Simultaneously UE be also third monitor chance distribute/
14 monitorings candidates are had mapped, so that it is guaranteed that the candidate sum of PDCCH in time slot is no more than maximum PDCCH candidate and monitors number
Amount.
Optionally, in some embodiments, the number of the search space collection of terminal device monitoring is in the current time slots
It is multiple, and multiple search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, step S110 specifically can be achieved are as follows:
According at least one of the type of search space collection, the DCI format of monitoring, RNTI, in multiple monitoring chance
In preferentially distribution/mapping is one or more specific monitors that PDCCH required for chances is candidate or channel estimation number.
For example, the monitoring sum in single time slot as defined in agreement is up to 44.Network is that UE is configured with two search skies
Between collection S1 with S2, S1 be public search space, S2 is the specific search space UE.The monitoring symbol O of S1 is OFDM symbol 0, S2's
Monitoring symbol O is OFDM symbol 4,8.CORESET time domain length is 2 symbols.The sum of blind examination required for each monitoring chance
It is 20.Then needing the candidate sum of the PDCCH of blind examination in total is 60, has been more than maximum monitoring quantity.
At this point, UE can be preferably that public search space distributes/map PDCCH monitoring candidate, therefore the monitoring chance of symbol 0
It distributes/is mapped to 20 PDCCH and monitor candidate, symbol 4 respectively distributes/is mapped to 12 PDCCH with the monitoring chance of symbol 8 and monitors
It is candidate.
It should be understood that this method advantageously ensures that required for the search space (such as public search space) of certain high priorities
Monitoring candidate's number.In addition, this method is also applied for the DCI format of multiple search space collection monitorings or the situation that RNTI is different,
Guarantee to monitor the specific RNTI of DCI or certain of certain specific formats (for example, DCI format 1-0) (for example, Slot Format
Indicator RNTI) scrambled DCI.
Optionally, in some embodiments, the number of the search space collection of terminal device monitoring is in the current time slots
It is multiple, and multiple search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, step S110 specifically can be achieved are as follows:
Based in the associated scheduled cell type of search space collection, the priority of business, the priority of channel at least
One kind, preferential distribution/mapping is one or more specifically to monitor the candidate of PDCCH required for chances or channel estimation number.
For example, the monitoring sum in single time slot as defined in agreement is up to 44.Network is that UE is configured with two search skies
Between collection S1 with S2, S1 is used to receive the DCI of main plot, and S2 is used to receive the DCI of secondary cell.The monitoring symbol O of S1 is OFDM symbol
The monitoring symbol O of number 0, S2 is OFDM symbol 4,8.CORESET time domain length is 2 symbols.Required for each monitoring chance
Blind examination sum is 20.Then needing the candidate sum of the PDCCH of blind examination in total is 60, has been more than maximum monitoring quantity.
At this point, UE can be preferably main plot distribute/map PDCCH monitor it is candidate, therefore the monitoring chance distribution of symbol 0/
It is mapped to 20 PDCCH and monitors candidate, symbol 4 respectively distributes/is mapped to 12 PDCCH with the monitoring chance of symbol 8 and monitors candidate.
It should be understood that this method advantageously ensures that search space (such as main plot) or the high priority industry of certain high priorities
It is engaged in monitoring candidate number required for (such as highly reliable low latency business).
Optionally, in some embodiments, the number of the search space collection of terminal device monitoring is in the current time slots
It is multiple, and multiple search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, step S110 specifically can be achieved are as follows:
Candidate's number is monitored based on minimum, monitors chance distribution/mapping not less than minimum prison for one or more is specific
Listen the PDCCH of candidate number candidate or channel estimation number.
Optionally, it is predefined which, which monitors candidate number,；Alternatively, it is high-level signaling configuration that the minimum, which monitors candidate number,
's.
For example, the monitoring sum in single time slot as defined in agreement is up to 44.Network is that UE is configured with two search skies
Between collection S1 with S2.The monitoring symbol O of S1 be OFDM symbol 0,6, S2 monitoring symbol O be OFDM symbol 4,8.CORESET time domain
Length is 2 symbols.Blind examination sum required for each monitoring chance is 20.The candidate sum of the PDCCH of blind examination is then needed in total
It is 80, has been more than maximum monitoring quantity.In addition, network configuration (or agreement is predefined) first monitors the minimum prison of chance
Listening candidate number is 16.
At this point, UE can be assigned with the candidate number (16) of minimum monitoring for first monitoring chance of each search space collection, it is
It is candidate that second monitoring chance is assigned with 6 monitorings.At this point, UE is configured with 16+16+6+6=44 monitoring candidate altogether, in total not
More than 44.Therefore, it can be ensured that the candidate sum of PDCCH in time slot is no more than maximum PDCCH candidate and monitors quantity.
Optionally, in some embodiments, the number of the search space collection of terminal device monitoring is in the current time slots
It is multiple, and multiple search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, step S110 specifically can be achieved are as follows:
According to the primary sign position in multiple search space collection in this prior time slot, according to symbol from small to large suitable
Sequence is sequentially allocated/maps PDCCH candidate or channel estimation number, until without assignable PDCCH candidate resource or remaining letter
It is candidate that road estimative figure is not enough to distribute more PDCCH.
For example, the monitoring sum in single time slot as defined in agreement is up to 44.Network is that UE is configured with two search skies
Between collection S1 with S2.The monitoring symbol O of S1 be OFDM symbol 0,6, S2 monitoring symbol O be OFDM symbol 4,8.CORESET time domain
Length is 2 symbols.Blind examination sum required for each monitoring chance is 16.The candidate sum of the PDCCH of blind examination is then needed in total
It is 64, has been more than maximum monitoring quantity.
At this point, UE is sequentially allocated/maps PDCCH candidate, first monitoring chance (symbol according to the sequence of symbol from small to large
Number 0) distribute/have mapped 16 monitorings candidate numbers, 16 monitorings candidates are distributed/had mapped to second monitorings chance (symbol 4), the
12 monitorings candidates are distributed/had mapped to three monitoring chances (symbol 6), and the 4th monitoring candidate number of chance distribution/mapping is
0。
It should be understood that this method advantageously reduces the dispatch deal time delay and implementation complexity of UE.
It should be understood that the concrete example of foregoing embodiments illustrates to illustrate by taking distribution/mapping of PDCCH candidate as an example
Illustrate, in actual application, can also be allocated/map for channel estimation number, specific implementation can refer to aforementioned
Distribution/mapping example of PDCCH candidate in citing.
It should be understood that aforementioned embodiment illustrated in fig. 1 and its specific of specific embodiment are applicable in scene, including but not limited to eLTE
The business scenario of short TTI.
Mobile terminal provided in an embodiment of the present invention can be realized mobile terminal in the embodiment of the method for Fig. 1 realize it is each
Process, to avoid repeating, which is not described herein again.
Fig. 2 is the block diagram of the mobile terminal of another embodiment of the present invention.Mobile terminal 200 shown in Fig. 2 includes: at least
One processor 201, memory 202, at least one network interface 204 and user interface 203.It is each in mobile terminal 200
Component is coupled by bus system 205.It is understood that bus system 205 is logical for realizing the connection between these components
Letter.Bus system 205 further includes power bus, control bus and status signal bus in addition in addition to including data/address bus.But it is
For the sake of clear explanation, in Fig. 2 various buses are all designated as bus system 205.
Wherein, user interface 203 may include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch screen etc..
It is appreciated that the memory 202 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
It or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), be used as external high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random access memory
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct
Rambus RAM, DRRAM).The memory 202 of the system and method for description of the embodiment of the present invention is intended to include but is not limited to these
With the memory of any other suitable type.
In some embodiments, memory 202 stores following element, executable modules or data structures, or
Their subset of person or their superset: operating system 2021 and application program 2022.
Wherein, operating system 2021 include various system programs, such as ccf layer, core library layer, driving layer etc., are used for
Realize various basic businesses and the hardware based task of processing.Application program 2022 includes various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 2022.
In embodiments of the present invention, mobile terminal 200 further include: storage on a memory 202 and can be on processor 201
The computer program of operation, computer program realize following steps when being executed by processor 201:
If total PDCCH candidate's number of terminal device is greater than the maximum PDCCH that the terminal device is supported in current time slots
The channel estimation number that candidate number or the terminal device need in total is more than the maximum channel estimative figure that the terminal device is supported,
Then according to distribution between at least one information in this prior multiple monitoring chances of time slot/mapping PDCCH candidate or channel estimation
Number；
Wherein, which includes that monitor the OFDM symbol position of chance, search space collection associated scheduled
The candidate corresponding DCI lattice of the PDCCH that the priority of cell, the priority of business, the priority of channel, search space collection are monitored
At least one of formula, RNTI.
The method that the embodiments of the present invention disclose can be applied in processor 201, or be realized by processor 201.
Processor 201 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 201 or the instruction of software form.Above-mentioned processing
Device 201 can be general processor, digital signal processor (Digital Signal Processor, DSP), dedicated integrated electricity
Road (Application Specific Integrated Circuit, ASIC), field programmable gate array (Field
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with institute of the embodiment of the present invention
The step of disclosed method, can be embodied directly in hardware decoding processor and execute completion, or with the hardware in decoding processor
And software module combination executes completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only
In the computer readable storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The meter
Calculation machine readable storage medium storing program for executing is located at memory 202, and processor 201 reads the information in memory 202, completes in conjunction with its hardware
The step of stating method.Specifically, it is stored with computer program on the computer readable storage medium, computer program is by processor
201 realize each step of embodiment of the method as shown in Figure 1 above when executing.
It is understood that the embodiment of the present invention description these embodiments can with hardware, software, firmware, middleware,
Microcode or combinations thereof is realized.For hardware realization, processing unit be may be implemented in one or more specific integrated circuits
(Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal
Processing, DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable
Logic Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general place
It manages in device, controller, microcontroller, microprocessor, other electronic units for executing function of the present invention or combinations thereof.
For software implementations, can by execute the embodiment of the present invention described in function module (such as process, function etc.) come
Realize technology described in the embodiment of the present invention.Software code is storable in memory and is executed by processor.Memory can
With portion realizes in the processor or outside the processor.
Mobile terminal 200 can be realized each process that mobile terminal is realized in previous embodiment, to avoid repeating, here
It repeats no more.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of embodiment of the method shown in above-mentioned Fig. 1 when being executed by processor, and can reach
To identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, it is such as read-only
Memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), magnetic or disk etc..
Fig. 3 is the structural schematic diagram of one embodiment of the present of invention terminal device.As shown in figure 3, terminal device 300 can wrap
It includes: distribution/mapping block 310.Wherein,
Distribution/mapping block 310, if total PDCCH candidate's number for terminal device in current time slots is greater than the end
The channel estimation number that the maximum PDCCH candidate number or the terminal device that end equipment is supported need in total is more than the terminal device
The maximum channel estimative figure of support is then distributed/is reflected according between at least one information in this prior multiple monitoring chances of time slot
Penetrate PDCCH candidate or channel estimation number；
Wherein, which includes that monitor the OFDM symbol position of chance, search space collection associated scheduled
The candidate corresponding DCI lattice of the PDCCH that the priority of cell, the priority of business, the priority of channel, search space collection are monitored
At least one of formula, RNTI.
Optionally, in some embodiments, the search space collection that the terminal device is monitored in the current time slots includes one
Or it is multiple, and the one or more search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, distribution/mapping block 310 is particularly used in:
According to the OFDM symbol positions for monitoring chance multiple in the current time slots, the equal proportion point between multiple monitoring chance
With/map PDCCH candidate number or channel estimation number.
Optionally, in some embodiments, the search space collection that the terminal device is monitored in the current time slots includes one
Or it is multiple, and the one or more search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, distribution/mapping block 310 is particularly used in:
According to the OFDM symbol positions for monitoring chance multiple in the current time slots, preferentially divide in multiple monitoring chance
With/map PDCCH candidate or channel estimation number required for one or more specific monitoring chances.
Further, which is agreement regulation
Or RRC signaling configuration.
Preferably, when which falls in this prior
In the top n symbol of gap, the value of N is configured by RRC signaling or the value of N is mapped by the PDSCH in the system information broadcasted
First downlink DMRS positional value of type A determines.Particularly, N value is 2 or 3.
Optionally, in some embodiments, the number for the search space collection that the terminal device is monitored in the current time slots is 1
It is a, and there are multiple monitoring chances for the search space collection；
Wherein, distribution/mapping block 310 is particularly used in:
Based on the specific candidate number of minimum monitoring for monitoring chance is guaranteed, always it is divided into for one or more specific monitoring chances
With/map or channel estimation number candidate not less than the PDCCH of the candidate number of minimum monitoring；Or based on the specific monitoring chance of guarantee
It is minimum monitor candidate number, for it is one or more it is specific monitor each of chances and monitor chance distribution/mapping be not less than
The minimum monitors PDCCH candidate or the channel estimation number of candidate number.
Further, it is predefined which, which monitors candidate number,；Alternatively, it is that high-level signaling is matched that the minimum, which monitors candidate number,
It sets.
Wherein, distribution/mapping block 310 is particularly used in:
Based on the specific candidate number of minimum monitoring for monitoring chance is guaranteed, always it is divided into for one or more specific monitoring chances
With/map or channel estimation number candidate not less than the PDCCH of the candidate number of minimum monitoring.
Optionally, in some embodiments, the number of the search space collection of terminal device monitoring is in the current time slots
It is multiple, and multiple search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, distribution/mapping block 310 is particularly used in:
According at least one of the type of search space collection, the DCI format of monitoring, RNTI, in multiple monitoring chance
In preferentially distribution/mapping is one or more specific monitors that PDCCH required for chances is candidate or channel estimation number.
Optionally, in some embodiments, the number of the search space collection of terminal device monitoring is in the current time slots
It is multiple, and multiple search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, distribution/mapping block 310 is particularly used in:
Based in the associated scheduled cell type of search space collection, the priority of business, the priority of channel at least
One kind, preferential distribution/mapping is one or more specifically to monitor the candidate of PDCCH required for chances or channel estimation number.
Optionally, in some embodiments, the number of the search space collection of terminal device monitoring is in the current time slots
It is multiple, and multiple search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, distribution/mapping block 310 is particularly used in:
Candidate's number is monitored based on minimum, monitors chance distribution/mapping not less than minimum prison for one or more is specific
Listen the PDCCH of candidate number candidate or channel estimation number.
Optionally, it is predefined which, which monitors candidate number,；Alternatively, it is high-level signaling configuration that the minimum, which monitors candidate number,
's.
Optionally, in some embodiments, the number of the search space collection of terminal device monitoring is in the current time slots
It is multiple, and multiple search space concentrates at least one search space collection there are multiple monitoring chances；
Wherein, distribution/mapping block 310 is particularly used in:
According to the primary sign position in multiple search space collection in this prior time slot, according to symbol from small to large suitable
Sequence is sequentially allocated/maps PDCCH candidate or channel estimation number, until without assignable PDCCH candidate resource or remaining letter
It is candidate that road estimative figure is not enough to distribute more PDCCH.
Mobile terminal 300 provided in an embodiment of the present invention can be realized what mobile terminal in the embodiment of the method for Fig. 1 was realized
Each process, to avoid repeating, which is not described herein again.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or terminal device etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (18)
1. a kind of distribution/mapping method of physical downlink control channel PDCCH candidate/channel estimation number, which is characterized in that application
In terminal device, which comprises
If the maximum PDCCH that total PDCCH candidate's number of terminal device is greater than that the terminal device is supported in current time slots is waited
The channel estimation number for selecting number or the terminal device to need in total is more than the maximum channel estimation that the terminal device is supported
Number, then according at least one information, distribution/mapping PDCCH is candidate between multiple monitoring chances of the current time slots or channel
Estimative figure, at least one information include monitoring the orthogonal frequency division multiplex OFDM character position of chance, the association of search space collection
The priority of scheduled cell, the PDCCH candidate that monitors of the priority of business, the priority of channel, search space collection it is corresponding
Downlink Control Information DCI format, at least one of radio network temporary identifier RNTI.
2. the method as described in claim 1, which is characterized in that
The search space collection that the terminal device is monitored in the current time slots includes one or more, and one or more of
At least one search space collection is concentrated in search space, and there are multiple monitoring chances；
According at least one information, distribution/mapping PDCCH is candidate between multiple monitoring chances of the current time slots or channel
Estimative figure, comprising:
According to the OFDM symbol positions for monitoring chance multiple in the current time slots, the equal proportion point between the multiple monitoring chance
With/map PDCCH candidate number or channel estimation number.
3. the method as described in claim 1, which is characterized in that
The search space collection that the terminal device is monitored in the current time slots includes one or more, and one or more of
At least one search space collection is concentrated in search space, and there are multiple monitoring chances；
According at least one information, distribution/mapping PDCCH is candidate between multiple monitoring chances of the current time slots or channel
Estimative figure, comprising:
According to the OFDM symbol positions for monitoring chance multiple in the current time slots, preferentially divide in the multiple monitoring chance
With/map PDCCH candidate or channel estimation number required for one or more specific monitoring chances.
4. method as claimed in claim 3, which is characterized in that
The specific OFDM symbol for monitoring the corresponding control resource set CORESET of chance falls in the preceding N of the current time slots
In a symbol, the value of N is configured by RRC signaling or the value of N is by the Physical Downlink Shared Channel in the system information broadcasted
First demodulated reference signal DMRS positional value of PDSCH map type A determines.
5. the method as described in claim 1, which is characterized in that
The search space collection that the terminal device is monitored in the current time slots includes one or more, and one or more of
At least one search space collection is concentrated in search space, and there are multiple monitoring chances；
According at least one information, distribution/mapping PDCCH is candidate between multiple monitoring chances of the current time slots or channel
Estimative figure, comprising:
Based on guaranteeing that specific the minimum of chance of monitoring monitor candidate number, for it is one or more it is specific monitor chances distribute in total/
It maps not less than the minimum PDCCH candidate for monitoring candidate number or channel estimation number；Or based on the specific monitoring chance of guarantee
It is minimum monitor candidate number, for it is one or more it is specific monitor each of chances and monitor chance distribution/mapping be not less than
The minimum PDCCH candidate for monitoring candidate number or channel estimation number.
6. method as claimed in claim 5, which is characterized in that
Minimum candidate's number of monitoring is predefined；Or
Minimum candidate's number of monitoring is high-level signaling configuration.
7. the method as described in claim 1, which is characterized in that
The number of the search space collection of the terminal device monitoring is multiple in the current time slots, and the multiple search space
Concentrating at least one search space collection, there are multiple monitoring chances；
According at least one information, distribution/mapping PDCCH is candidate between multiple monitoring chances of the current time slots or channel
Estimative figure, comprising:
According to the type of search space collection, the DCI format of monitoring, search space collection associated scheduled cell type, business
At least one of priority, the priority of channel, RNTI, preferentially distribute/map in the multiple monitoring chance one or
The candidate of PDCCH required for multiple specific monitoring chances or channel estimation number.
8. the method as described in claim 1, which is characterized in that
The number of the search space collection of the terminal device monitoring is multiple in the current time slots, and the multiple search space
Concentrating at least one search space collection, there are multiple monitoring chances；
According at least one information, distribution/mapping PDCCH is candidate between multiple monitoring chances of the current time slots or channel
Estimative figure, comprising:
According to primary sign position of the multiple search space collection in the current time slots, according to symbol from small to large suitable
Sequence is sequentially allocated/maps PDCCH candidate or channel estimation number, until without assignable PDCCH candidate resource or remaining channel
It is candidate that estimative figure is not enough to distribute more PDCCH.
9. a kind of terminal device characterized by comprising
Distribution/mapping block, if total physical downlink control channel PDCCH candidate's number for terminal device in current time slots
The channel estimation number that the maximum PDCCH candidate number or the terminal device supported greater than the terminal device need in total is super
Cross the maximum channel estimative figure that the terminal device is supported, then according at least one information the current time slots multiple monitorings
Distribution/mapping PDCCH is candidate between chance or channel estimation number, at least one information include monitoring the orthogonal frequency of chance
Be multiplexed OFDM symbol position, the priority of the associated scheduled cell of search space collection, the priority of business, channel it is preferential
In the candidate corresponding downlink control message DCI format of the PDCCH that grade, search space collection are monitored, radio network temporary identifier RNTI
At least one.
10. terminal device as claimed in claim 9, which is characterized in that
The search space collection that the terminal device is monitored in the current time slots includes one or more, and one or more of
At least one search space collection is concentrated in search space, and there are multiple monitoring chances；
Distribution/the map unit is specifically used for:
According to the OFDM symbol positions for monitoring chance multiple in the current time slots, the equal proportion point between the multiple monitoring chance
With/map PDCCH candidate number or channel estimation number.
11. terminal device as claimed in claim 9, which is characterized in that
The search space collection that the terminal device is monitored in the current time slots includes one or more, and one or more of
At least one search space collection is concentrated in search space, and there are multiple monitoring chances；
Distribution/the map unit is specifically used for:
According to the OFDM symbol positions for monitoring chance multiple in the current time slots, preferentially divide in the multiple monitoring chance
With/map PDCCH candidate or channel estimation number required for one or more specific monitoring chances.
12. terminal device as claimed in claim 11, which is characterized in that
The specific OFDM symbol for monitoring the corresponding control resource set CORESET of chance falls in the preceding N of the current time slots
In a symbol, the value of N is by the value of radio resource control RRC signal deployment or N by the physics in the system information broadcasted
First demodulated reference signal DMRS positional value of DSCH Downlink Shared Channel PDSCH map type A determines.
13. terminal device as claimed in claim 9, which is characterized in that
The search space collection that the terminal device is monitored in the current time slots includes one or more, and one or more of
At least one search space collection is concentrated in search space, and there are multiple monitoring chances；
Distribution/the map unit is specifically used for:
Based on guaranteeing that specific the minimum of chance of monitoring monitor candidate number, for it is one or more it is specific monitor chances distribute in total/
It maps not less than the minimum PDCCH candidate for monitoring candidate number or channel estimation number；Or
Based on the specific candidate number of minimum monitoring for monitoring chance is guaranteed, for each of one or more specific monitoring chances
Monitoring chance distribution/mapping is not less than the minimum PDCCH candidate for monitoring candidate number or channel estimation number.
14. terminal device as claimed in claim 13, which is characterized in that
Minimum candidate's number of monitoring is predefined；Or
Minimum candidate's number of monitoring is high-level signaling configuration.
15. terminal device as claimed in claim 9, which is characterized in that
The number of the search space collection of the terminal device monitoring is multiple in the current time slots, and the multiple search space
Concentrating at least one search space collection, there are multiple monitoring chances；
Distribution/the map unit is specifically used for:
According to the type of search space collection, the associated scheduled cell type of search space collection, the priority of business, channel it is excellent
At least one of first grade, the DCI format of monitoring, RNTI preferentially distribute/map one or more in the multiple monitoring chance
The candidate of PDCCH required for a specific monitoring chance or channel estimation number.
16. terminal device as claimed in claim 9, which is characterized in that
The number of the search space collection of the terminal device monitoring is multiple in the current time slots, and the multiple search space
Concentrating at least one search space collection, there are multiple monitoring chances；
Distribution/the map unit is specifically used for:
According to primary sign position of the multiple search space collection in the current time slots, according to symbol from small to large suitable
Sequence is sequentially allocated/maps PDCCH candidate or channel estimation number, until the PDCCH candidate resource that can not be distributed/map, or it is remaining
Channel estimation number to be not enough to distribute more PDCCH candidate.
17. a kind of network terminal characterized by comprising memory, processor and be stored on the memory and can be in institute
The computer program run on processor is stated, such as claim 1 to 8 is realized when the computer program is executed by the processor
Any one of described in method the step of.
18. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program is realized when the computer program is executed by processor such as the step of method described in any item of the claim 1 to 8.
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