CN110351053A - Resource determining method and equipment - Google Patents
Resource determining method and equipment Download PDFInfo
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- CN110351053A CN110351053A CN201810302099.9A CN201810302099A CN110351053A CN 110351053 A CN110351053 A CN 110351053A CN 201810302099 A CN201810302099 A CN 201810302099A CN 110351053 A CN110351053 A CN 110351053A
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- echo signal
- preset rules
- ssb
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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
- H04L5/0057—Physical resource allocation for CQI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
Abstract
The invention discloses a kind of resource determining method and equipment, the described method includes: determining the incidence relation between echo signal and Physical Random Access Channel transmission opportunity RO resource according to preset rules, the echo signal includes synchronization signal block SSB or channel state information reference signals CSI-RS.Resource determining method disclosed by the invention makes terminal device or the network equipment can determine that the incidence relation between echo signal and RO resource according to above-mentioned preset rules according to setting preset rules.In addition, after determining the incidence relation between echo signal and RO resource, terminal device can determine the RO resource for initiating random access according to the incidence relation, and initiate random access in the RO resource determined, convenient for improving the success rate of random access.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of resource determining methods and equipment.
Background technique
New wireless or newly eat dishes without rice or wine in (New Radio, NR), terminal device can access letter according to the physical accidental of configuration
Road transmission opportunity (PRACH transmission occasion can also write PRACH occasion, abbreviation RO resource) passes
Defeated leading (preamble) code.On a time point (time instance, i.e., the time-domain position of one RO), may have more
A RO carries out frequency division multiplexing (Frequency-division multiplexing, FDM), on a time point (time-domain position)
The number for carrying out the RO of FDM can be with are as follows: { 1,2,4,8 }.There are incidence relation between RO and synchronization signal block SSB, a RO is closed
The number of the SSB of connection may is that { 1/8,1/4,1/2,1,2,4,8,16 }.It is closed alternatively, RO may also exist between CSI-RS
Connection relationship.
By the relevant parameter instruction of Physical Random Access Channel PRACH resource, terminal device is capable of determining that one
PRACH configures the RO resource pattern in period (RACH Configuration Period).PRACH configuration the period can be
{ 10,20,40,80,160 } ms.In each PRACH configuration period, the resource pattern of RO is the same.
Terminal device first has to determine that the association of SSB-RO (or CSI-RS-RO) (or is reflected when initiating random access
Penetrate) relationship, so that it is determined that the RO resource for initiating random access.Since primary complete SSB-RO (or CSI-RS-RO) is closed
RO number required for joining may not be integer；Time point required for primary complete SSB-RO (or CSI-RS-RO) is associated with
Number may not also be integer.In this way, when the RO number of resources configured in a PRACH configuration period is enough, it can be one
It is repeated several times in a PRACH configuration period and carries out SSB-RO (or CSI-RS-RO) association.Therefore it needs to define when repeating to be associated with
Correlation rule is avoided when SSB-RO (or CSI-RS-RO) is associated with, and terminal device possibly can not be determined and SSB (or CSI-
RS-RO) associated RO resource also can not just determine the RO resource for initiating random access.Therefore, it is necessary to provide a kind of money
Source determines method, and terminal device is enable quickly to determine and the associated RO resource of SSB (or CSI-RS).
Summary of the invention
The purpose of the embodiment of the present invention is that providing a kind of resource determining method and equipment, in the prior art can not to solve
The problem of determining RO resource associated with echo signal.
In a first aspect, providing a kind of resource determining method, comprising: according to preset rules determine echo signal and physics with
Machine accesses the incidence relation between transmission chance RO resource, and the echo signal includes synchronization signal block SSB or channel shape
State information reference signal CSI-RS.
Second aspect provides a kind of equipment, comprising: determining module, for according to preset rules determine echo signal and
Incidence relation between RO resource, the echo signal include SSB or CSI-RS.
The third aspect provides a kind of equipment, which includes processor, memory and be stored on the memory simultaneously
The computer program that can be run on the processor realizes such as first party when the computer program is executed by the processor
The step of resource determining method described in face.
Fourth aspect provides a kind of computer readable storage medium, stores meter on the computer readable storage medium
Calculation machine program, the step of resource determining method as described in relation to the first aspect is realized when the computer program is executed by processor.
The resource determining method provided through the embodiment of the present invention, according to the preset rules of setting, terminal device or network
Equipment is the incidence relation that can determine that between echo signal and RO resource according to above-mentioned preset rules.In addition, determining target
After incidence relation between signal and RO resource, terminal device can be determined according to the incidence relation for initiating to connect at random
The RO resource entered, and random access is initiated in the RO resource determined, the success rate of random access can be improved.
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 the schematic flow chart of resource determining method according to an embodiment of the invention；
Fig. 2 is SSB and RO resource associations relation schematic diagram according to one embodiment of present invention；
Fig. 3 is SSB and RO resource associations relation schematic diagram according to another embodiment of the invention；
Fig. 4 is still another embodiment in accordance with the present invention SSB and RO resource associations relation schematic diagram；
Fig. 5 is SSB and RO resource associations relation schematic diagram according to still another embodiment of the invention；
Fig. 6 is next embodiment SSB according to the present invention and RO resource associations relation schematic diagram；
Fig. 7 is the structural schematic diagram of equipment according to an embodiment of the invention；
Fig. 8 is the structural schematic diagram of terminal device according to an embodiment of the invention；
Fig. 9 is the structural schematic diagram of the network equipment according to an embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should be understood that the technical solution of the embodiment of the present invention can be applied to various communication systems, and such as: global system for mobile telecommunications
(Global System of Mobile communication, GSM) system, CDMA (Code Division
Multiple Access, CDMA) system, wideband code division multiple access (Wideband Code Division Multiple
Access, WCDMA) it system, General Packet Radio Service (General Packet Radio Service, GPRS), drills for a long time
Into (Long Term Evolution, LTE) system, LTE frequency division duplex (Frequency Division Duplex, FDD) system
System, LTE time division duplex (Time Division Duplex, TDD), Universal Mobile Communication System (Universal Mobile
Telecommunication System, UMTS) or global interconnection inserting of microwave (Worldwide Interoperability
For Microwave Access, WiMAX) communication system, 5G system, wireless (New Radio, NR) system new in other words.
In embodiments of the present invention, terminal device can include but is not limited to mobile station (Mobile Station, MS), move
Dynamic terminal (Mobile Terminal), mobile phone (Mobile Telephone), user equipment (User Equipment,
UE), mobile phone (handset) and portable equipment (portable equipment), vehicle (vehicle) etc., which can
To be communicated through wireless access network (Radio Access Network, RAN) with one or more core nets, for example, terminal
Equipment can be mobile phone (or being " honeycomb " phone), computer with wireless communication function etc., and terminal device may be used also
To be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device.
In the embodiment of the present invention, the network equipment is that one kind is deployed in wireless access network to provide wirelessly for terminal device
The device of communication function.The network equipment can be base station, and the base station may include various forms of macro base stations, micro- base
It stands, relay station, access point etc..In the system using different wireless access technologys, the title of the equipment with base station functions
It may be different.Such as in the lte networks, the node B (Evolved NodeB, eNB or eNodeB) of referred to as evolution,
In the third generation (3rd Generation, 3G) network, referred to as node B (Node B) etc..
As shown in Figure 1, one embodiment of the invention provides a kind of resource determining method, include the following steps:
S110: the pass between echo signal and Physical Random Access Channel transmission opportunity RO resource is determined according to preset rules
Connection relationship.
Above-mentioned echo signal includes synchronization signal block (Synchronization Signal Block, SSB, or can also
With referred to as SS/PBCH block) or channel state information reference signals (Channel State Information
Reference Signal, CSI-RS).
It should be noted that the resource determining method that the embodiment provides can be and be executed by terminal device, it is also possible to
It is executed by network equipment.
Above-mentioned preset rules can be what the network equipment was configured by high-level signaling, or, the preset rules are that agreement is pre-
Definition.
When the above method is executed by terminal device, determining that the association between echo signal and RO resource (or reflects
Penetrate) after relationship, above-described embodiment can also include the following steps:
The RO resource for initiating random access is determined according to the incidence relation between echo signal and RO resource；In determination
Random access is initiated in RO resource out.
Typically, there are corresponding relationships between SSB and wave beam, and when above-mentioned echo signal includes SSB, terminal device exists
After determining the incidence relation between SSB and RO resource, wave beam that can be high according to signal quality is determined and the signal matter
Measure the corresponding SSB of high wave beam, initiate random access in this corresponding RO resource of SSB, convenient for improve random access at
Power.
When the above method is executed by the network equipment, determine the incidence relation between echo signal and RO resource it
Afterwards, above-described embodiment can also include the following steps:
The RO resource for receiving random access preamble is determined according to the incidence relation between echo signal and RO resource；?
The random access preamble of receiving terminal apparatus in the RO resource determined, the same success rate convenient for improving random access.
In above-mentioned random access procedure, random access preamble is configured in parameter PRACH Configuration Index
Time-domain resource on transmit；Random access preamble is transmitted in the frequency domain resource that parameter prach-FDM is configured, PRACH frequency domain money
Source nRA∈ { 0,1 ..., M-1 }, wherein M is equal to higher level parameters prach-FDM.When being initially accessed, PRACH frequency domain resource
From initial activation upstream bandwidth part (initial active uplink bandwidth part) the interior minimum RO resource of frequency
Start ascending order number, otherwise, PRACH frequency domain resource from activation upstream bandwidth part (active uplink bandwidth
Part) the minimum RO resource of interior frequency starts ascending order number.
The resource determining method provided through the embodiment of the present invention makes terminal device or net by the preset rules of setting
Network equipment can determine that the incidence relation between echo signal and RO resource according to above-mentioned preset rules；In addition, determining mesh
After marking the incidence relation between signal and RO resource, terminal device can be determined according to the incidence relation for initiating to connect at random
The RO resource entered, and random access is initiated in the RO resource determined, convenient for improving the success rate of random access.
As previously mentioned, by the relevant parameter instruction of PRACH resource, terminal device is capable of determining that a PRACH configuration
RO resource pattern in period (RACH Configuration Period).
For the concept in above-mentioned configuration period, specifically as shown in Fig. 2, shown in Fig. 2 is SSB and RO in a configuration period
Incidence relation schematic diagram between resource.In Fig. 2,6 time points are shared in a configuration period, a RO is associated with 1/8
SSB, i.e. a SSB are associated with 8 RO；There are 4 RO to carry out frequency division multiplexing on one time point.One shares 3 SSB in Fig. 2, i.e.,
SSB1, SSB2 and SSB3.
In addition, Fig. 2 is to show the incidence relation for configuring SSB and RO in the period at one, in subsequent other configurations
In period, the incidence relation of SSB and RO can be identical as incidence relation shown in Fig. 2.
In practical applications, if in a predetermined period (such as a PRACH configure period) RO number of resources
When more than or equal to 2 times that complete required RO number of resources when an echo signal is associated in RO resource, it can repeat
The step of above-described embodiment S110, so that echo signal be repeated to be associated in RO resource.Under the above conditions, with specific reference to pre-
If rule determines the incidence relation between echo signal and RO resource, it can be determined according to following 3 kinds of schemes:
Scheme 1: when echo signal n-th is associated in RO resource, and (in the associated multiple echo signals of n-th
It is first, subsequent similar) the associated RO resource of first aim signal are as follows: the echo signal N-1 secondary association to RO resource
(in multiple echo signals of N-1 secondary association the last one, subsequent similar) the last one echo signal associated RO when upper
Frequency domain is compiled on the time-domain position after time-domain position where resource, next that can be used for Physical Random Access Channel PRACH transmission
Number minimum RO resource, N are greater than or equal to 2 integer.
At this time, it is assumed that can be used for transmitting the time point of PRACH in a predetermined period (such as a PRACH configures the period)
Have T, these time points are numbered: 0,1,2 ..., t ..., T-1. assumes and the associated echo signal sum of RO is N, right
Echo signal is numbered: 0,1,2,3 ..., i ..., N -1, and the RO number that FDM is carried out on a time point is prach-FDM, often
Associated echo signal number is that (if echo signal is SSB, which can also be denoted as SSB- to ref-perRO on a RO
PerRO, if echo signal is CSI-RS, which can be denoted as CSI-RS-perRO).
It then completes an echo signal and is associated with time point number required for RO is associated with: Ts=ceil (N/ (prach-
FDM*ref-perRO))；
The number ri=floor (i/ref-perRO) of associated first RO of echo signal i in the first secondary association；
Frequency domain number fi=rimod of associated first RO of echo signal i on frequency domain in the first secondary association
(prach-FDM)；
The time point number ti=floor (i/ where associated first RO of echo signal i in the first secondary association
(prach-FDM*ref-perRO))；
Then in the predetermined period, in every secondary association and the time-domain position of associated first RO of echo signal i (when
Between put number) t meet: t mod (Ts)=ti.In the predetermined period, in every secondary association and echo signal i associated
The frequency domain position number of one RO is fi.
In the predetermined period, in every secondary association and associated first RO of echo signal i is in the predetermined period
Number Xi can also be indicated are as follows:
Xi=ri+prach-FDM* (M -1)
Wherein, M=1 ... cycle,
Cycle=floor (T/ceil (N/ (ref-perRO*prach-FDM)))；Or
Cycle=floor (T/Ts)
Above-mentioned floor (), which represents, to be rounded downwards；Ceil () representative rounds up, and mod () indicates remainder.
When echo signal is associated with multiple RO, in every secondary association has been determined and echo signal i associated first
, can be according to existing rule after the number of a RO, the number based on first RO releases the number of other RO, frequency domain position is compiled
Number, time-domain position (time point number).
Specific example as shown in Figure 3: the quantity of the RO resource of a time point upper frequency division multiplexing is 4, each RO money
Source is associated with 2 SSB, actual transmissions 5 SSB (SSB1-5 i.e. shown in Fig. 3), when including 2 in a PRACH configuration period
Between point be 8 RO, when the first secondary association, SSB1 is associated on the minimum RO of frequency domain at time point 1；When the second secondary association, do not examine
Whether have vacant RO resource, on the minimum RO of the frequency domain that second of associated SSB1 is associated in time point 2 if considering on time point 1.
1 resource determining method provided with this solution, when realizing SSB and RO resource associations, without primary before considering
Whether the RO resource on time-domain position is associated with when association completely, that is, jumps to next time-domain position and carry out continuing to be associated with, nothing
Need other detection Rule of judgment, convenient for quickly determine with the associated RO resource of SSB, convenient for improving association efficiency.
Also, in every secondary association, the incidence relation of SSB and RO are remained unchanged, for specific SSB, associated RO
Frequency domain position it is constant, simplify the complexity of network equipments configuration, the SSB that terminal device can quickly find its selection is corresponding
RO resource, be not needed upon current time zone position and calculated.
Scheme 2: when echo signal n-th is associated in RO resource, with the associated RO resource of first aim signal are as follows:
Next RO money of the associated RO resource of the last one echo signal when in the echo signal N-1 secondary association to RO resource
Source, N are greater than or equal to 2 integer.
At this time, it is assumed that can be used for transmitting the time point of PRACH in a predetermined period (such as a PRACH configures the period)
Have T, these time points are numbered: 0,1,2 ..., t ..., T-1. assumes and the associated echo signal sum of RO is N, right
Echo signal is numbered: 0,1,2,3 ..., i ..., N -1, and the RO number that FDM is carried out on a time point is prach-FDM, often
Associated echo signal number is that (if echo signal is SSB, which can also be denoted as SSB- to ref-perRO on a RO
PerRO, if echo signal is CSI-RS, which can be denoted as CSI-RS-perRO).
Then complete time point number required for an association of the echo signal to RO: Ts=ceil (N/ (prach-FDM*
ref-perRO))；
Then complete RO number required for an association of the echo signal to RO: Rs=ceil (N/ref-perRO)；
The number ri=floor (i/ref-perRO) of associated first RO of echo signal i in the first secondary association；
Frequency domain number fi=rimod of associated first RO of echo signal i on frequency domain in the first secondary association
(prach-FDM)；
Time-domain position (time point number) ti=floor of associated first RO of echo signal i in the first secondary association
(i/(prach-FDM*ref-perRO))；
In the predetermined period, in every secondary association and associated first RO of echo signal i is in the predetermined period
Number Xi can be indicated are as follows:
Xi=ri+Rs* (M -1)
Wherein, M=1 ... cycle,
Cycle=floor ((T*prach-FDM)/Ceil (N/ref-perRO))；Or
Cycle=floor ((T*prach-FDM)/Rs)
Then in the predetermined period, in every secondary association and the time-domain position of associated first RO of echo signal i is full
Foot: t=floor (Xi mod (prach-FDM)).In the predetermined period, in every secondary association, on time point t and echo signal i
The frequency domain position number of associated first RO is Xi-(prach-FDM*t).
Above-mentioned floor (), which represents, to be rounded downwards；Ceil () representative rounds up, and mod () indicates remainder.
With the number of associated first RO of echo signal i and an echo signal is associated in every secondary association has been determined
When multiple RO, can according to existing rule, the number based on first RO release the number of other RO, frequency domain position number, when
Domain position (time point number).
The next RO resource mentioned in scheme 2, specifically may is that
When in the echo signal N-1 secondary association to RO resource, where the associated RO resource of the last one echo signal
Frequency domain numbers minimum RO resource on next time-domain position that can be used for PRACH transmission after time-domain position, wherein the mesh
Signal is marked when in N-1 secondary association to RO resource, where the frequency domain number of the associated RO resource of the last one echo signal is
The maximum frequency domain number of RO resource on time-domain position.
Specific example as shown in Figure 4: the quantity of the RO resource of a time point upper frequency division multiplexing is 4,4 RO according to
The sequence of frequency from low to high, frequency domain number are followed successively by 0,1,2 and 3.Each RO is associated with 2 SSB, 7 SSB of actual transmissions
(SSB1-7 i.e. shown in Fig. 4) includes 2 time points i.e. 8 RO in a PRACH configuration period, at this point, since first time closes
The frequency domain number of the associated RO resource of SSB7 is maximum frequency domain number 3 when connection, then, when SSB1 is associated in when the second secondary association
Between point 2 the minimum RO of frequency domain on.
The next RO resource mentioned in scheme 2 is specific to may also is that
When in the echo signal N-1 secondary association to RO resource, the associated RO resource frequency domain of the last one echo signal
Number adds 1 frequency domain to number corresponding RO resource, wherein the echo signal is when in N-1 secondary association to RO resource, finally
The frequency domain number of the associated RO resource of one echo signal is less than the maximum frequency domain number of RO resource on the time-domain position of place.
Specific example as shown in Figure 5: the quantity of the RO resource of a time point upper frequency division multiplexing is 4,4 RO according to
The sequence of frequency from low to high, frequency domain number are followed successively by 0,1,2 and 3.Each RO is associated with 2 SSB, 5 SSB of actual transmissions
(SSB1-5 i.e. shown in fig. 5) includes 2 time points i.e. 8 RO in a PRACH configuration period.SSB5 in first secondary association
On the RO that the frequency domain number for being associated in time point 1 is 2, which is less than maximum frequency domain number 3, then when the second secondary association
Frequency domain number of the SSB1 at time point 1 is on the RO of 3 (i.e. according to frequency domain number 2 plus 1).
2 resource determining method provided with this solution, when realizing SSB and RO resource associations, convenient for quickly determining
The resource of required consumption in association process has been saved with the associated RO resource of SSB convenient for improving association efficiency.
In every secondary association, the incidence relation of SSB and RO are remained unchanged, and simplify the complexity of base station configuration, Yong Huneng
Enough quickly find the corresponding RO resource of SSB of its selection.
Scheme 3: it completes an echo signal and is associated with the in varying numbers in preset value of required RO resource in RO resource
When, when echo signal n-th is associated in RO resource, with the associated RO resource of first aim signal are as follows: the target letter
The last one echo signal associated RO resource when in number N-1 secondary association to RO resource.The preset value, which is equal to one, can be used
In the integral multiple or M/mono- of the RO number of resources for carrying out frequency division multiplexing on the time-domain position of PRACH transmission, M is 2 power；N is
Integer more than or equal to 2.
At this time, it is assumed that can be used for transmitting the time point of PRACH in a predetermined period (such as a PRACH configures the period)
Have T, these time points are numbered: 0,1,2 ..., t ..., T-1. assumes and the associated echo signal sum of RO is N, right
Echo signal is numbered: 0,1,2,3 ..., i ..., N -1, and the RO number that FDM is carried out on a time point is prach-FDM, often
Associated echo signal number is that (if echo signal is SSB, which can also be denoted as SSB- to ref-perRO on a RO
PerRO, if echo signal is CSI-RS, which can be denoted as CSI-RS-perRO).
Then complete time point number required for an association of the echo signal to RO: Ts=ceil (N/ (prach-FDM*
ref-perRO))；
The number ri=floor (i/ref-perRO) of associated first RO of echo signal i in the first secondary association；
Frequency domain number fi=rimod of associated first RO of echo signal i on frequency domain in the first secondary association
(prach-FDM)；
The time-domain position (time point number) of associated first RO of echo signal i in the first secondary association: ti=floor
(i/(prach-FDM*ref-perRO))；
In the predetermined period, in every secondary association and associated first RO of echo signal i is in the predetermined period
Number Xi can also be indicated are as follows:
Xi=floor (i/ref-perRO+ (N/ref-perRO) * (M -1))
Wherein, M=1 ... cycle, cycle=floor ((T*prach-FDM)/(N/ref-perRO))
Then in the predetermined period, in every secondary association and the time-domain position of associated first RO of echo signal i is full
Foot: t=floor (Xi mod (prach-FDM)).In the predetermined period, in every secondary association, time point that number is t it is upper and
The frequency domain position number of associated first RO of echo signal i is Xi-(prach-FDM*t).
Above-mentioned floor (), which represents, to be rounded downwards；Ceil () representative rounds up, and mod () indicates remainder.
With the number of associated first RO of echo signal i and an echo signal is associated in every secondary association has been determined
When multiple RO, can according to existing rule, the number based on first RO release the number of other RO, frequency domain position number, when
Domain position (time point number).
Specific example as shown in FIG. 6: the quantity of the RO resource of a time point upper frequency division multiplexing is 4, and each RO is closed
Join 2 SSB, 5 SSB (SSB1-5) of actual transmissions, SSB5 is associated with when SSB1 is associated in the first secondary association when the second secondary association
RO on, i.e., time point 1 frequency domain number be 2 RO on.
3 resource determining method provided with this solution, when realizing SSB and RO resource associations, front and back repeats to close twice
When connection, RO resource that is vacant, not using is avoided the occurrence of, to improve the utilization rate of RO resource.
In addition, SSB can be successively to be associated on RO according to following agreement in above-mentioned 3 enumerated scheme:
First, according to the ascending order (in increasing order) of label (index) leading in a RO；
Second, according to the ascending order of the label (index) for the RO for carrying out FDM；
Third, according to the ascending order of the time-domain resource of the RO of time-domain multiplexed in a PRACH time slot；
4th, according to the ascending order of the label (index) of PRACH time slot.
It should be noted that resource determining method provided in an embodiment of the present invention, can determine target according to preset rules
Incidence relation between signal and RO resource, above-mentioned echo signal include SSB or CSI-RS.
Above-mentioned each embodiment be be introduced for how determining the incidence relation of SSB and RO resource, in fact,
The method of the incidence relation of determination SSB and the RO resource of above-mentioned several embodiment introductions can equally be well applied to CSI-RS and RO resource
Incidence relation.
In above-mentioned 3 enumerated scheme, the RO number of resources in a predetermined period, which is greater than or equal to, completes one
2 times of secondary RO number of resources required when echo signal is associated in RO resource.Furthermore it is preferred that above three scheme
In preset rules can also add some other restrictions:
Preferably as one embodiment, preset rules can also include: and a RO resource in above-mentioned 3 schemes
Associated CSI-RS number is 2 power or 1/2 power, wherein and the CSI-RS number of a RO resource associations is X and X is 1/2
Power when, it is meant that the corresponding CSI-RS of X/mono- RO.Such as with the CSI-RS numbers of a RO resource associations be 1/4,
Mean the corresponding CSI-RS of 4 RO.
Typically, the network equipment can send SSB in the time window of a field (5ms).3GHz hereinafter,
4 SSB can be at most sent in one field；3-6GHz can at most send 8 SSB in one field；6GHz or more, one
64 SSB can be at most sent in a field.
Preferably as one embodiment, the preset rules in above-mentioned 3 schemes can also include: to close with RO resource
The SSB total number of connection is 4,8 or 64.It specifically, can be with are as follows: 3GHz is hereinafter, send 4 SSB in a field；3-6GHz, one
8 SSB are sent in a field；6GHz or more, a field is interior to send 64 SSB.
Preferably as one embodiment, the preset rules limited in above-mentioned 3 schemes can also include: to provide with RO
The associated CSI-RS total number in source is 2 power.
It should be noted that the RO mentioned in each embodiment of this specification, can lead to finger is that user passes through PRACH resource
Relevant parameter instruction, any RO resource in the RO resource pattern in a predetermined period determined；It may be one pre-
If effective RO resource in RO resource pattern in the period.It wherein, include the frequency position of RO resource in above-mentioned RO resource pattern
Set, the time-domain position of RO, one can be used for PRACH transmission time-domain position on carry out frequency division multiplexing RO number of resources, it is described
Predetermined period may include one or more PRACH configuration periods.
Combine Fig. 1 to Fig. 6 that resource determining method according to an embodiment of the present invention is described in detail above.Below in conjunction with figure
7 detailed description equipment according to an embodiment of the present invention, the equipment specifically can be the network equipment or terminal device.
Fig. 7 is the structural schematic diagram of equipment according to an embodiment of the present invention.As shown in fig. 7, equipment 700 comprises determining that mould
Block 710, for determining the incidence relation between echo signal and RO resource according to preset rules, the echo signal includes synchronizing
Block SSB or channel state information reference signals CSI-RS.
Optionally, as one embodiment, the preset rules include:
When echo signal n-th is associated in RO resource, with the associated RO resource of first aim signal are as follows: the mesh
Mark it is when in signal N-1 secondary association to RO resource after time-domain position where the associated RO resource of the last one echo signal, under
One can be used for frequency domain on the time-domain position that Physical Random Access Channel PRACH is transmitted and number minimum RO resource；Or
When echo signal n-th is associated in RO resource, with the associated RO resource of first aim signal are as follows: the mesh
Mark next RO resource of the last one echo signal associated RO resource when in signal N-1 secondary association to RO resource；Or
It completes an echo signal and is associated with the in varying numbers when preset value of required RO resource in RO resource, in mesh
When mark signal n-th is associated in RO resource, with the associated RO resource of first aim signal are as follows: the echo signal N-1
The last one echo signal associated RO resource when in secondary association to RO resource；
Wherein, N is greater than or equal to 2 integer；
The preset value is equal to the RO number of resources that frequency division multiplexing is carried out on the time-domain position that one can be used for PRACH transmission
Integral multiple or M/mono-, M is 2 power；
Quantity with the echo signal of a RO resource associations is one or more.
Optionally, as one embodiment, next RO resource, comprising:
When in the echo signal N-1 secondary association to RO resource, where the associated RO resource of the last one echo signal
Frequency domain numbers minimum RO resource on next time-domain position that can be used for PRACH transmission after time-domain position, wherein the mesh
Signal is marked when in N-1 secondary association to RO resource, where the frequency domain number of the associated RO resource of the last one echo signal is
The maximum frequency domain number of RO resource on time-domain position；Or
When in the echo signal N-1 secondary association to RO resource, the associated RO resource frequency domain of the last one echo signal
Number adds 1 frequency domain to number corresponding RO resource, wherein the echo signal is when in N-1 secondary association to RO resource, finally
The frequency domain number of the associated RO resource of one echo signal is less than the maximum frequency domain number of RO resource on the time-domain position of place.
Optionally, as one embodiment, the preset rules are what the network equipment was configured by high-level signaling, or, institute
Stating preset rules is that terminal device is determined based on agreement.
Optionally, as one embodiment, the preset rules further include:
CSI-RS number with a RO resource associations is 2 power or 1/2 power.
Optionally, as one embodiment, the preset rules further include:
SSB total number with RO resource associations is 4,8 or 64.
Optionally, as one embodiment, the preset rules further include:
CSI-RS total number with RO resource associations is 2 power.
Optionally, as one embodiment, the RO number of resources in a predetermined period, which is greater than or equal to, to be completed once
When echo signal is 2 times of required RO number of resources when being associated in RO resource, it is default that determining module 710 repeats the basis
Rule determines the step of incidence relation between echo signal and RO resource, and the predetermined period may include one or more
PRACH configures the period.
Optionally, as one embodiment, the RO resource is any in the RO resource pattern in a predetermined period
RO resource；Or
The RO resource is effective RO resource in the RO resource pattern in a predetermined period,
Wherein, can be used in the RO resource pattern including the frequency location of RO resource, the time-domain position of RO, one
The RO number of resources of frequency division multiplexing is carried out on the time-domain position of PRACH transmission.
Optionally, as one embodiment, the equipment is terminal device execution, the terminal device further include: random
Processing module is accessed, can be used for determining the RO resource for initiating random access according to the incidence relation；What is determined
Random access is initiated in RO resource.
Equipment 700 according to an embodiment of the present invention is referred to the process of the method 100 of the corresponding embodiment of the present invention, and
And each unit/module in the equipment 700 and other above-mentioned operation and/or functions are respectively for the phase in implementation method 100
Process is answered, for sake of simplicity, details are not described herein.
Fig. 8 is the block diagram of the terminal device of another embodiment of the present invention.Terminal device 800 shown in Fig. 8 includes: at least
One processor 801, memory 802, at least one network interface 804 and user interface 803.It is each in terminal device 800
Component is coupled by bus system 805.It is understood that bus system 805 is logical for realizing the connection between these components
Letter.Bus system 805 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. 8 various buses are all designated as bus system 805.
Wherein, user interface 803 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 802 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 802 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 802 stores following element, executable modules or data structures, or
Their subset of person or their superset: operating system 8021 and application program 8022.
Wherein, operating system 8021 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 8022 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 8022.
In embodiments of the present invention, terminal device 800 further include: storage on a memory 802 and can be on processor 801
The step of computer program of operation, computer program realizes following method 100 when being executed by processor 801.
The method that the embodiments of the present invention disclose can be applied in processor 801, or be realized by processor 801.
Processor 801 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 801 or the instruction of software form.Above-mentioned processing
Device 801 can be general processor, digital signal processor (Digital Signal Processor, DSP), dedicated integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made 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 802, and processor 801 reads the information in memory 802, 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
801 realize each step such as 100 embodiment of the above method 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.
Terminal device 800 can be realized each process that equipment is realized in previous embodiment, to avoid repeating, here no longer
It repeats.
Referring to Fig. 9, Fig. 9 is the structure chart of the network equipment of application of the embodiment of the present invention, embodiment of the method can be realized
100 details, and reach identical effect.As shown in figure 9, the network equipment 900 includes: processor 901, transceiver 902, storage
Device 903 and bus interface, in which:
In embodiments of the present invention, the network equipment 900 further include: storage on a memory 903 and can be on processor 901
The computer program of operation, computer program by processor 901, execute when implementation method 500 the step of.
In Fig. 9, bus architecture may include the bus and bridge of any number of interconnection, specifically be represented by processor 901
One or more processors and the various circuits of memory that represent of memory 903 link together.Bus architecture can be with
Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like are linked together, these are all these
Well known to field, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 902 can be
Multiple element includes transmitter and receiver, provides the unit for communicating over a transmission medium with various other devices.
Processor 901, which is responsible for management bus architecture and common processing, memory 903, can store processor 901 and is holding
Used data when row operation.
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, realizes each process of above method embodiment 100 when which is executed by processor, and can reach phase
Same technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as read-only storage
Device (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic
Dish or CD etc..
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 network equipment 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 (13)
1. a kind of resource determining method, which is characterized in that the described method includes:
The incidence relation between echo signal and Physical Random Access Channel transmission opportunity RO resource, institute are determined according to preset rules
Stating echo signal includes synchronization signal block SSB or channel state information reference signals CSI-RS.
2. the method as described in claim 1, which is characterized in that the preset rules include:
When echo signal n-th is associated in RO resource, with the associated RO resource of first aim signal are as follows: the target letter
When in number N-1 secondary association to RO resource after time-domain position where the associated RO resource of the last one echo signal, it is next
It can be used for frequency domain on the time-domain position of Physical Random Access Channel PRACH transmission and number minimum RO resource；Or
When echo signal n-th is associated in RO resource, with the associated RO resource of first aim signal are as follows: the target letter
Next RO resource of the associated RO resource of the last one echo signal when in number N-1 secondary association to RO resource；Or
It completes an echo signal and is associated with the in varying numbers when preset value of required RO resource in RO resource, believe in target
When number n-th is associated in RO resource, with the associated RO resource of first aim signal are as follows: the echo signal the N-1 times pass
The last one echo signal associated RO resource when being linked in RO resource；
Wherein, N is greater than or equal to 2 integer；
The preset value is equal to the whole of the RO number of resources that frequency division multiplexing is carried out on the time-domain position that one can be used for PRACH transmission
Several times or M/mono-, M are 2 power；
Quantity with the echo signal of a RO resource associations is one or more.
3. method according to claim 2, which is characterized in that next RO resource, comprising:
When in the echo signal N-1 secondary association to RO resource, time domain where the associated RO resource of the last one echo signal
Frequency domain numbers minimum RO resource on next time-domain position that can be used for PRACH transmission behind position, wherein the target letter
Number when in N-1 secondary association to RO resource, the frequency domain number of the associated RO resource of the last one echo signal be where time domain
The maximum frequency domain number of RO resource on position；Or
When in the echo signal N-1 secondary association to RO resource, the associated RO resource frequency domain number of the last one echo signal
Add 1 frequency domain to number corresponding RO resource, wherein the echo signal when in N-1 secondary association to RO resource, the last one
The frequency domain number of the associated RO resource of echo signal is less than the maximum frequency domain number of RO resource on the time-domain position of place.
4. method as claimed in claim 2 or claim 3, which is characterized in that
The preset rules are what the network equipment was configured by high-level signaling, or,
The preset rules are that agreement is predefined.
5. method as claimed in claim 4, which is characterized in that the preset rules further include:
CSI-RS number with a RO resource associations is 2 power or 1/2 power.
6. method as claimed in claim 4, which is characterized in that the preset rules further include:
SSB total number with RO resource associations is 4,8 or 64.
7. method as claimed in claim 4, which is characterized in that the preset rules further include:
CSI-RS total number with RO resource associations is 2 power.
8. method as described in any one of claim 1 to 7, which is characterized in that
RO number of resources in a predetermined period is greater than or equal to echo signal of completion and is associated with when institute in RO resource
At 2 times of the RO number of resources needed, repeat described to determine that the association between echo signal and RO resource is closed according to preset rules
The step of being, wherein the predetermined period includes that one or more PRACH configures the period.
9. method according to claim 8, which is characterized in that
The RO resource is any RO resource in the RO resource pattern in a predetermined period；Or
The RO resource is effective RO resource in the RO resource pattern in a predetermined period,
Wherein, the frequency location in the RO resource pattern including RO resource, the time-domain position of RO and one can be used for PRACH biography
The RO number of resources of frequency division multiplexing is carried out on defeated time-domain position.
10. method as described in any one of claim 1 to 9, which is characterized in that the method is executed by terminal device, is determined
Out after the incidence relation between echo signal and RO resource, the method also includes:
The RO resource for initiating random access is determined according to the incidence relation；
Random access is initiated in the RO resource determined.
11. a kind of equipment characterized by comprising
Determining module, for determining the incidence relation between echo signal and RO resource, the echo signal according to preset rules
Including SSB or CSI-RS.
12. a kind of equipment characterized by comprising memory, processor and be stored on the memory and can be at the place
The computer program run on reason device is realized when the computer program is executed by the processor as in claims 1 to 10
The step of described in any item resource determining methods.
13. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the resource determination side as described in any one of claims 1 to 10 when the computer program is executed by processor
The step of method.
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| CN113038586A (en) * | 2019-12-25 | 2021-06-25 | 上海大唐移动通信设备有限公司 | Configuration method of synchronous signal block and electronic equipment |
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